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Frontier flights from San Francisco to Chicago (SFO - CHI)

SFO — CHI
Jun 3 — Jun 101
From?
To?
Mon 6/3
Mon 6/10
1 adult, Economy
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Cheapflights users flying from San Francisco to Chicago on Frontier typically fly into Chicago O'Hare Intl and depart from San Francisco. Select your dates above for pricing.

Frontier flights from San Francisco to Chicago in 2024

Find detailed information about Frontier flights from San Francisco to Chicago. Explore the options provided by Frontier to plan your journey from San Francisco to Chicago. Data last updated May 29, 2024.

Popular in

March

Cheapest in

October

Average price (all airlines)

$357

One-way from

$69

Round-trip from

$138
Highest demand for flights from San Francisco to Chicago; 1% potential price increase.
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Best time to find cheap flights from San Francisco to Chicago; 1% potential price drop.
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Average price for all San Francisco to Chicago flights (one-way and round-trip).
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Cheapest one-way Frontier flight from San Francisco to Chicago
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Cheapest round-trip Frontier flight from San Francisco to Chicago
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  • Can I get a flight from San Francisco to Chicago on Frontier for under $400?

    San Francisco to Chicago flights on Frontier are currently available under $400. 50 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.

  • How do most travelers feel about Frontier?

    The average rating from 4,016 Frontier reviews by Cheapflights users is 6.2 (out of a maximum rating of 10). If you are considering flying SFO-CHI with Cheapflights, apply your desired dates to the form above to see our best pricing for your trip to Chicago with Frontier.

Cheapest Frontier flights from San Francisco to Chicago

Discover the cheapest flight options specifically offered by Frontier for travel from San Francisco to Chicago. Compare prices and availability to find the most affordable fares for your desired travel dates. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,696,634 searches. The data was last updated on May 29, 2024.
Wed 6/129:09 amSFO - MDW
Nonstop4h 11mFrontier
Sat 6/154:18 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/28$140
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Wed 6/129:09 amSFO - MDW
Nonstop4h 11mFrontier
Wed 6/194:18 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/28$165
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Wed 6/59:09 amSFO - MDW
Nonstop4h 11mFrontier
Sat 6/84:18 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/28$167
Pick Dates

Direct flights from San Francisco to Chicago on Frontier

Discover the cheapest flight options specifically offered by Frontier for travel from San Francisco to Chicago. Compare prices and availability to find the most affordable fares for your desired travel dates. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,696,634 searches. The data was last updated on May 29, 2024.
Wed 9/189:03 amSFO - MDW
Nonstop4h 11mFrontier
Mon 9/234:09 pmMDW - SFO
Nonstop4h 38mFrontier
Deal found 5/28$138
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Wed 6/129:09 amSFO - MDW
Nonstop4h 11mFrontier
Sat 6/154:18 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/28$140
Pick Dates
Wed 8/219:03 amSFO - MDW
Nonstop4h 11mFrontier
Mon 8/264:09 pmMDW - SFO
Nonstop4h 38mFrontier
Deal found 5/28$146
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Last minute deals on Cheapflights

Explore last-minute flight deals on Frontier for various destinations, including San Francisco to Chicago. Discover attractive deals on flights departing soon. Keep an eye on the latest last-minute deals to find great opportunities for spontaneous travel. Please note that prices are subject to change and availability may vary. Data last updated May 29, 2024 and based on user searches. In the last 7 days, Cheapflights users made a total of 2,696,634 searches.
Wed 6/59:09 amSFO - MDW
Nonstop4h 11mFrontier
Sat 6/84:18 pmMDW - SFO
Nonstop4h 28mFrontier
Deal found 5/28$167
Pick Dates
Wed 6/512:07 pmSFO - ORD
1 stop15h 16mFrontier
Tue 6/118:23 pmORD - SFO
1 stop27h 43mFrontier
Deal found 5/28$177
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Sat 6/812:22 pmSFO - ORD
1 stop15h 15mFrontier
Tue 6/118:23 pmORD - SFO
1 stop18h 14mFrontier
Deal found 5/28$178
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One-way Frontier flights to Chicago from San Francisco

Search for one-way flight options from San Francisco to Chicago specifically provided by Frontier. Find affordable one-way fares from Frontier and compare prices with other airlines. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 2,696,634 searches. The data was last updated on May 29, 2024.
Wed 8/219:03 amSFO - MDW
Nonstop4h 11mFrontier
Deal found 5/28$69
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Wed 8/219:03 amSFO - MDW
Nonstop4h 11mFrontier
Deal found 5/28$70
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Wed 7/178:58 amSFO - MDW
Nonstop4h 10mFrontier
Deal found 5/28$71
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Best time to book a flight from San Francisco to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from San Francisco 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 Chicago by month

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

CHI

Temperature

23 - 73.4 °F

If weather is an important factor for your trip to Chicago, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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Fly from San Francisco to Chicago on another airline
Consider alternative airlines that service the Chicago area. Flight routes are based on user searches made on Cheapflights and were last updated on May 29, 2024.

United Airlines flights from San Francisco to Chicago
Alaska Airlines flights from San Francisco to Chicago

See what others are saying about Frontier

Read reviews and see what other travelers are saying about their experiences with Frontier. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Frontier for your next flight. Reviews last updated May 29, 2024.
Frontier
6.2
Okay
4,016 reviews
Check prices
Overview

Entertainment

4.9

Boarding

6.6

Comfort

5.8

Crew

7.1

Food

5.1
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