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Cheap flights from St. Louis (STL) to Belfast Intl (BFS) from $338

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 7/25. 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.
STL — BFS
Jun 13 — Jun 201
From?
To?
Thu 6/13
Thu 6/20
1 adult, Economy
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Cheap flight deals from St. Louis to Belfast Intl

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Belfast Intl (BFS). 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 June 8, 2024.

Popular in

February

Cheapest in

August

Round-trip from

$640

One-way from

$338
High demand for flights, 39% potential price rise
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Best time to find cheap flights, 40% potential price drop
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From Lambert-St Louis to Belfast Intl
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One-way flight from Lambert-St Louis to Belfast Intl
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What is the cheapest day to fly round-trip from St. Louis to Belfast Intl Airport?

Flights from St. Louis to Belfast Intl Airport are found to be more expensive on Tuesday. 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 Belfast Intl Airport.

What is the cheapest month to fly from St. Louis to Belfast Intl Airport?

Due to multiple factors, expect to potentially pay more when booking in February. For low rates, August can be a great choice for travel to Belfast Intl Airport. Flights to Belfast Intl Airport from St. Louis in August are about $1,121 on average during August, but can be found for as low as $673.

What is the cheapest time of day to fly from STL to BFS?

When flying from St. Louis to Belfast Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 23% versus a flight at noon.

One-way flights to Belfast Intl from St. Louis

Search for one-way flight options from St. Louis to Belfast Intl. 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 3,022,473 searches. Data last updated June 8, 2024.
Thu 7/258:49 pmSTL - BFS
2 stops56h 01mMultiple Airlines
Deal found 6/7$338
Thu 7/258:57 pmSTL - BFS
3 stops55h 53mMultiple Airlines
Deal found 6/7$397

What is the cheapest day to fly from St. Louis to Belfast Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Belfast Intl. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Belfast Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from St. Louis to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl from St. Louis 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 Belfast Intl by month

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

BFS

Temperature

41 - 60.8 °F

If weather is an important factor for your trip to Belfast Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Related info for your journey

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

  • What airport do you fly from for flights from St. Louis to Belfast Intl?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Belfast Intl. 1 airline have flights from Lambert-St Louis to Belfast Intl on a regular basis. Booking flights from Lambert-St Louis to Belfast Intl should not be difficult; the airport handles an average of 0 outbound flights to Belfast Intl per day.

  • What does STL to BFS mean?

    STL stands for Lambert-St Louis Airport, while BFS stands for Belfast Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from St. Louis to Belfast Intl that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Belfast Intl 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 St. Louis to Belfast Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Belfast Intl 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 St. Louis to Belfast Intl that include hotel bookings?

    Yes. In addition to deals on St. Louis to Belfast Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Belfast Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Belfast Intl.

  • Can I find deals for business class flights from St. Louis to Belfast Intl?

    Yes. Cheapflights offers flight deals from St. Louis to Belfast Intl 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 St. Louis to Belfast Intl that allow pets onboard?

    Many airlines flying from St. Louis to Belfast Intl 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 St. Louis to Belfast Intl?

    Yes, you can often find last-minute deals on St. Louis to Belfast Intl 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.

  • What is the cheapest month to book a flight from St. Louis to Belfast Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Belfast Intl Airport (average of $641). Flying from St. Louis to Belfast Intl Airport in June is currently the most expensive (average of $1,214). 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.

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Alternative routes for St. Louis to Belfast Intl
See prices for flight routes from nearby airports that may be better suited for you.

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Top airline flying from St. Louis to Belfast Intl

Discover the top airline that operate flights from St. Louis to Belfast Intl. 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 3,022,473 searches. Data last updated June 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$700Average$1,071FlexibilityNo cancel feeOn-time71%
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Search flights from St. Louis to Belfast Intl by cabin class

Find flights from St. Louis to Belfast Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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