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Cheap flights from Denver (DEN) to Sofia (SOF) from $341

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
DEN — SOF
Jun 5 — Jun 121
From?
To?
Wed 6/5
Wed 6/12
1 adult, Economy
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The best prices from Denver Intl to Sofia are usually found in December or February, booked 56 days in advance, depart on a Tuesday or Thursday and return on a Saturday

Cheap flight deals from Denver to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 31, 2024.

Popular in

June

Cheapest in

December

Round-trip from

$660

One-way from

$461
High demand for flights, 29% potential price rise
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Best time to find cheap flights, 37% potential price drop
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From Denver Intl to Sofia
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One-way flight from Denver Intl to Sofia
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What is the cheapest day to fly round-trip from Denver to Sofia?

Flights from Denver to Sofia are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sofia.

How far in advance should I book a flight from Denver to Sofia?

Users have found that booking a flight from Denver to Sofia at least 57 days early can save you up to 4% on average compared to booking a flight this week. If booking 57 days before your flight isn’t an option for you, users have found flights from Denver to Sofia for as little as $551 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $551 for flights departing within the next 3 days.

What is the cheapest month to fly from Denver to Sofia?

December can be a great time to fly to Sofia from Denver with a flight ticket averaging about $1,113. Cheapflights users have found deals in the month of December for as cheap as $551. The most expensive prices can be found in the month of June.

What is the cheapest time of day to fly from DEN to SOF?

It’s typically best to fly out from Denver to Sofia at noon. Doing so could potentially save you 13% on the flight price compared to flying in the evening, which is usually more expensive.

Cheap Air Canada flights from Denver to Sofia

Explore cheap flight options specifically provided by Air Canada for the route between Denver and Sofia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 31, 2024.
Find some of the cheapest Air Canada flights traveling from Denver to Sofia. Deals update often to give you more flight options matching your criteria
Wed 7/2411:15 amDEN - SOF
2 stops15h 55mAir Canada
Thu 8/296:30 amSOF - DEN
2 stops18h 31mAir Canada
Deal found 5/31$942
Wed 7/177:45 amDEN - SOF
2 stops19h 25mAir Canada
Thu 10/36:00 amSOF - DEN
2 stops23h 19mAir Canada
Deal found 5/29$955
Wed 7/2411:15 amDEN - SOF
2 stops15h 55mAir Canada
Tue 9/312:55 pmSOF - DEN
2 stops30h 20mAir Canada
Deal found 5/31$969
Thu 7/2511:15 amDEN - SOF
2 stops15h 55mAir Canada
Tue 9/312:55 pmSOF - DEN
2 stops30h 20mAir Canada
Deal found 5/31$1,019
Wed 7/107:45 amDEN - SOF
2 stops19h 25mAir Canada
Fri 8/236:30 amSOF - DEN
2 stops18h 31mAir Canada
Deal found 5/30$1,023
Wed 7/2411:15 amDEN - SOF
2 stops15h 55mAir Canada
Mon 9/26:30 amSOF - DEN
2 stops22h 06mAir Canada
Deal found 5/31$1,072
Fri 7/1911:15 amDEN - SOF
2 stops15h 55mAir Canada
Wed 9/2512:55 pmSOF - DEN
2 stops18h 51mAir Canada
Deal found 5/29$1,079
Sun 7/2811:15 amDEN - SOF
2 stops15h 55mAir Canada
Thu 8/296:30 amSOF - DEN
2 stops18h 31mAir Canada
Deal found 5/31$1,147

Cheap United Airlines flights from Denver to Sofia

Explore cheap flight options specifically provided by United Airlines for the route between Denver and Sofia. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 31, 2024.
Some of the best deals we've found on United Airlines flights traveling from Denver to Sofia. Deals are refreshing constantly so come back soon for more options.
Tue 8/208:00 amDEN - SOF
2 stops19h 10mUnited Airlines
Tue 8/276:00 amSOF - DEN
2 stops25h 24mUnited Airlines
Deal found 5/30$928
Tue 7/307:45 amDEN - SOF
2 stops19h 25mUnited Airlines
Wed 8/286:30 amSOF - DEN
1 stop18h 10mUnited Airlines
Deal found 5/31$952
Tue 7/164:05 pmDEN - SOF
1 stop21h 55mUnited Airlines
Wed 10/26:00 amSOF - DEN
2 stops26h 43mUnited Airlines
Deal found 5/29$953
Sun 7/284:05 pmDEN - SOF
1 stop21h 55mUnited Airlines
Wed 8/286:30 amSOF - DEN
2 stops26h 24mUnited Airlines
Deal found 5/31$957
Tue 7/167:45 amDEN - SOF
2 stops19h 25mUnited Airlines
Fri 9/276:00 amSOF - DEN
2 stops25h 52mUnited Airlines
Deal found 5/29$958
Tue 7/307:45 amDEN - SOF
2 stops19h 25mUnited Airlines
Fri 8/306:30 amSOF - DEN
2 stops26h 24mUnited Airlines
Deal found 5/31$962
Tue 7/164:05 pmDEN - SOF
1 stop21h 55mUnited Airlines
Wed 9/256:30 amSOF - DEN
2 stops20h 33mUnited Airlines
Deal found 5/29$972
Tue 7/167:45 amDEN - SOF
2 stops19h 25mUnited Airlines
Wed 9/256:30 amSOF - DEN
2 stops20h 33mUnited Airlines
Deal found 5/29$977
Tue 7/164:05 pmDEN - SOF
1 stop17h 40mUnited Airlines
Thu 9/266:30 amSOF - DEN
1 stop16h 10mUnited Airlines
Deal found 5/29$978

Cheap Denver to Sofia flights in May & June 2024

Find cheap flight options from Denver to Sofia specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Prices were last updated on May 31, 2024.
Listed are some of the best fares we've found on flights departing from Denver to Sofia in 2024. More deals are always being added, so be sure to check back regularly.
Wed 6/124:05 pmDEN - SOF
1 stop21h 55mMultiple Airlines
Sun 7/148:00 amSOF - DEN
2 stops31h 53mMultiple Airlines
Deal found 5/31$1,171
Wed 6/124:05 pmDEN - SOF
1 stop21h 55mMultiple Airlines
Sun 7/147:30 pmSOF - DEN
1 stop27h 50mMultiple Airlines
Deal found 5/31$1,224
Thu 6/139:15 amDEN - SOF
2 stops19h 15mBritish Airways
Sun 7/149:00 pmSOF - DEN
2 stops31h 37mBritish Airways
Deal found 5/31$1,258
Wed 6/127:45 amDEN - SOF
2 stops18h 35mAir Canada
Sun 7/146:30 amSOF - DEN
2 stops24h 25mAir Canada
Deal found 5/31$1,280
Thu 6/134:05 pmDEN - SOF
2 stops21h 30mLufthansa
Sun 7/147:30 pmSOF - DEN
1 stop27h 50mLufthansa
Deal found 5/31$1,379
Thu 6/134:05 pmDEN - SOF
1 stop21h 55mLufthansa
Sun 7/147:30 pmSOF - DEN
1 stop27h 50mLufthansa
Deal found 5/31$1,446
Thu 6/134:05 pmDEN - SOF
2 stops23h 35mMultiple Airlines
Sun 7/149:10 pmSOF - DEN
3 stops29h 33mMultiple Airlines
Deal found 5/31$1,623
Wed 6/1211:20 amDEN - SOF
2 stops20h 50mMultiple Airlines
Sun 7/149:10 pmSOF - DEN
3 stops29h 33mMultiple Airlines
Deal found 5/31$1,674
Thu 6/1311:20 amDEN - SOF
3 stops29h 55mMultiple Airlines
Sun 7/149:10 pmSOF - DEN
3 stops29h 33mMultiple Airlines
Deal found 5/31$1,743

Denver to Sofia 2024 flight deals

Discover exclusive flight deals for travel between Denver and Sofia in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 31, 2024.
Listed are some of the best fares we've found on flights departing from Denver to Sofia in 2024. More deals are always being added, so be sure to check back regularly.
Mon 10/76:35 pmDEN - SOF
1 stop16h 50mAmerican Airlines
Wed 1/153:00 pmSOF - DEN
1 stop33h 25mAmerican Airlines
Deal found 5/31$660
Mon 10/74:26 pmDEN - SOF
2 stops18h 59mAmerican Airlines
Wed 1/153:00 pmSOF - DEN
1 stop33h 25mAmerican Airlines
Deal found 5/31$663
Mon 10/72:19 pmDEN - SOF
2 stops21h 06mAmerican Airlines
Wed 1/153:00 pmSOF - DEN
2 stops39h 57mAmerican Airlines
Deal found 5/31$672
Fri 7/267:35 pmDEN - SOF
1 stop15h 45mTurkish Airlines
Fri 8/309:20 amSOF - DEN
1 stop17h 20mTurkish Airlines
Deal found 5/31$742
Fri 7/267:35 pmDEN - SOF
1 stop15h 45mTurkish Airlines
Sun 9/19:20 amSOF - DEN
1 stop17h 20mTurkish Airlines
Deal found 5/31$772
Thu 7/257:35 pmDEN - SOF
1 stop15h 45mTurkish Airlines
Wed 8/289:10 pmSOF - DEN
1 stop29h 30mTurkish Airlines
Deal found 5/31$781
Thu 7/257:35 pmDEN - SOF
1 stop15h 45mTurkish Airlines
Sat 8/319:10 pmSOF - DEN
1 stop29h 30mTurkish Airlines
Deal found 5/31$812
Mon 7/296:35 pmDEN - SOF
1 stop16h 50mBritish Airways
Thu 8/299:20 pmSOF - DEN
1 stop28h 10mBritish Airways
Deal found 5/31$891
Sat 8/316:03 amDEN - SOF
2 stops29h 17mTurkish Airlines
Wed 10/93:45 pmSOF - DEN
1 stop34h 55mTurkish Airlines
Deal found 5/31$899

One-way flights to Sofia from Denver

Search for one-way flight options from Denver to Sofia. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 31, 2024.
Take a look at some of the best available options we've come across on one-way flights from Denver to Sofia. Users can also find round-trip Denver to Sofia flights by using the search form above.
Tue 7/1610:21 amDEN - SOF
3 stops47h 09mMultiple Airlines
Deal found 5/29$341
Mon 7/1510:46 amDEN - SOF
3 stops47h 24mMultiple Airlines
Deal found 5/29$378
Tue 7/168:10 pmDEN - SOF
2 stops31h 05mMultiple Airlines
Deal found 5/29$382
Wed 7/1711:10 amDEN - SOF
3 stops45h 55mMultiple Airlines
Deal found 5/29$395
Thu 7/188:10 pmDEN - SOF
2 stops41h 55mMultiple Airlines
Deal found 5/29$397
Thu 7/184:40 pmDEN - SOF
3 stops33h 50mMultiple Airlines
Deal found 5/29$402
Mon 7/154:40 pmDEN - SOF
2 stops34h 15mMultiple Airlines
Deal found 5/29$404
Sun 7/1411:59 pmDEN - SOF
3 stops38h 56mMultiple Airlines
Deal found 5/29$432
Thu 7/187:35 pmDEN - SOF
1 stop15h 45mTurkish Airlines
Deal found 5/29$461

Find flights from Denver to Sofia within your budget

Customize your flight search to find flights from Denver to Sofia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 31, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$728 - $1,464

Route

Depart

Return

Price

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Tue 8/20

1 stop27h 55m

Sofia

Tue 8/27

1 stop17h 20m

$728

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Sun 7/28

1 stop15h 45m

Sofia

Mon 9/2

1 stop29h 30m

$742

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Mon 7/29

1 stop16h 50m

Sofia

Thu 8/29

1 stop28h 10m

$891

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Wed 7/24

1 stop17h 40m

Sofia

Wed 8/28

1 stop17h 20m

$913

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Tue 8/20

2 stops19h 10m

Sofia

Tue 8/27

2 stops25h 24m

$928

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Wed 7/24

2 stops15h 55m

Sofia

Thu 8/29

2 stops18h 31m

$942

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Wed 7/17

2 stops15h 55m

Sofia

Wed 9/25

2 stops18h 51m

$949

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Fri 7/26

2 stops15h 55m

Sofia

Sat 8/31

2 stops18h 13m

$1,287

Denver IntlSofia

DEN - SOF

DENSOF

Denver Intl

Sun 7/28

2 stops20h 15m

Sofia

Sun 9/1

1 stop28h 30m

$1,464

Flights are sorted by cheapest first

Deals found on 5/30

How far ahead should I book a flight from Denver to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Denver to Sofia. Price data was last updated on May 24, 2024.
The price you pay for your flight from Denver to Sofia may vary depending on when you book. For the best chance of a lower fare, look to book 56 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

What is the cheapest day to fly from Denver to Sofia?

Use this chart to determine the cheapest time to fly round-trip from Denver to Sofia. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Denver to Sofia flight should consider departing on Thursday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Denver to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Sofia by month

Plan your trip to Sofia by taking into account the average temperature and rainfall totals by month.

SOF

Temperature

30.2 - 68 °F

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated May 31, 2024.
Read reviews from past customers who have flown Air Canada, United Airlines and Lufthansa from Denver to Sofia. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.8
Good
1,952 reviews
Check prices

Comfort

7.5

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.4

Entertainment

7.2

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

SWISS
7.8
Good
1,952 reviews
SWISS
7.8
Good
1,952 reviews
Check prices

Comfort

7.5

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.4

Entertainment

7.2

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

Turkish Airlines
7.4
Good
3,710 reviews
SWISS
7.8
Good
1,952 reviews
Check prices

Comfort

7.5

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.4

Entertainment

7.2

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

United Airlines
7.4
Good
10,763 reviews
SWISS
7.8
Good
1,952 reviews
Check prices

Comfort

7.5

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.4

Entertainment

7.2

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

American Airlines
7.3
Good
14,274 reviews
SWISS
7.8
Good
1,952 reviews
Check prices

Comfort

7.5

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.4

Entertainment

7.2

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

Air Canada
7.0
Good
7,006 reviews
SWISS
7.8
Good
1,952 reviews
Check prices

Comfort

7.5

Crew

8.4

Overall

7.8

Boarding

7.8

Food

7.4

Entertainment

7.2

Reviews

1 / 10

Very crowded flight. Staff brought refreshments regularly and the food was surprisingly good. But checking was very slow and they allowed way too many people with large suitcases on board making onboarding and off-boarding very slow and chaotic.

Related info for your journey

Find useful and relevant information for your journey from Denver to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Denver to Sofia for under $800 on Cheapflights?

    Yes, there are multiple flights from Denver to Sofia for under $800. The cheapest flight booked recently is on Turkish Airlines for just $728, but on average you can expect to pay $858.

  • What are the cheapest airlines flying from Denver to Sofia round-trip?

    Our cheapest airline available from Denver to Sofia is Turkish Airlines. Our recent data shows that you can find tickets from as low as $728 on this airline. Additional options worth looking into are British Airways and Lufthansa, starting at $891 and $913 round-trip. Turkish Airlines is currently priced 34% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Denver to Sofia one-way?

    The cheapest airline one-way is Turkish Airlines, with whom users have recently found tickets for as low as $461. However, be on the lookout for offers from Lufthansa and British Airways, as they are both options that can get you from Denver to Sofia for a low price.

  • What does DEN to SOF mean?

    This is defined as Denver Intl Airport (DEN) and Sofia Airport (SOF). Codes like Sofia Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Denver to Sofia that include extra baggage allowance?

    The amount of baggage you can bring on your Denver to Sofia flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Denver to Sofia with specific airlines?

    Yes, Cheapflights allows you to browse and filter Denver to Sofia flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Denver to Sofia that include hotel bookings?

    Yes. In addition to deals on Denver to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Sofia.

  • Can I find deals for business class flights from Denver to Sofia?

    Yes. Cheapflights offers flight deals from Denver to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Denver to Sofia that allow pets onboard?

    Many airlines flying from Denver to Sofia offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Denver to Sofia?

    Yes, you can often find last-minute deals on Denver to Sofia flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Denver to Sofia flight deals updated?

    The Denver to Sofia flight deals you see on this page were last updated on 5/31.

  • What are the most popular airlines that fly from Denver to Sofia?

    When booking a flight from Denver to Sofia, you may want to consider flying on Air Canada, British Airways or Lufthansa as they are the most popular for this route.

  • What is the cheapest month to book a flight from Denver to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Denver to Sofia (average of $660). Flying from Denver to Sofia in June is currently the most expensive (average of $1,270). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Denver to Sofia
See prices for flight routes from nearby airports that may be better suited for you.

Grand Junction to Sofia flights

Top 5 airlines flying from Denver to Sofia

Discover the top 5 airlines that operate flights from Denver to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,784,634 searches. Data last updated May 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$593Average$827FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Turkish AirlinesCheapest$717Average$771FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
United AirlinesCheapest$760Average$1,199FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest$778Average$1,223FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest$1,026Average$1,435FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
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Search flights from Denver to Sofia by cabin class

Find flights from Denver to Sofia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Denver to Sofia?

Deals for Denver to Sofia flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Denver to Sofia?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Sofia from Denver.

Can Cheapflights find flights from Denver to Sofia with no change fees?

Certainly. Search results for flights to Sofia from Denver shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Denver to Sofia become cheaper?

Of course! You can now track prices for flights from Denver to Sofia and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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