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$132+ Cheap flights from O'Hare Intl (ORD) to San Francisco (SFO)

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SFO
May 27 — Jun 31
Wed 5/27
Wed 6/3
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to San Francisco are usually found in September or August, booked 83 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from O'Hare Intl to San Francisco

Cheapest flights from O'Hare Intl to San Francisco
Explore the most affordable flight options available from O'Hare Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 27, 2026.

This American Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:04 pm
ORD
-
SFO
Nonstop4h 43m
American Airlines
Sat 5/3011:14 pm
SFO
-
ORD
Nonstop4h 47m
American Airlines
Deal found 4/22$260
This Kiwi.com deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/47:12 am
ORD
-
SFO
1 stop11h 24m
Frontier
Sun 7/1212:24 am
SFO
-
ORD
1 stop13h 44m
Frontier
Deal found 4/22$263
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:30 pm
ORD
-
SFO
Nonstop4h 54m
United Airlines
Mon 6/16:34 pm
SFO
-
ORD
Nonstop4h 25m
United Airlines
Deal found 4/26$265
This United Airlines deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/279:48 pm
ORD
-
SFO
Nonstop4h 57m
United Airlines
Wed 6/35:05 am
SFO
-
ORD
Nonstop4h 26m
United Airlines
Deal found 4/23$266
This Southwest deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/284:15 pm
ORD
-
SFO
2 stops9h 55m
Southwest
Tue 6/210:30 am
SFO
-
ORD
2 stops10h 25m
Southwest
Deal found 4/22$267
This Kiwi.com deal was found by Cheapflights users on 4/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/44:05 pm
ORD
-
SFO
2 stops24h 21m
Frontier
Tue 6/911:29 am
SFO
-
ORD
1 stop16h 03m
Frontier
Deal found 4/23$268
This Cheapflightsfares deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/239:48 pm
ORD
-
SFO
1 stop28h 39m
Frontier
Sat 6/2711:34 am
SFO
-
ORD
1 stop15h 58m
Frontier
Deal found 4/27$269
This Frontier deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:55 am
ORD
-
SFO
1 stop14h 39m
Frontier
Sun 5/318:48 pm
SFO
-
ORD
1 stop7h 46m
Frontier
Deal found 4/27$270
This Delta deal was found by Cheapflights users on 4/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/239:25 am
ORD
-
SFO
1 stop6h 50m
Delta
Wed 6/39:43 am
SFO
-
ORD
1 stop7h 07m
Delta
Deal found 4/24$271
This Kiwi.com deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/236:55 am
ORD
-
SFO
1 stop14h 39m
Frontier
Tue 5/2610:01 pm
SFO
-
ORD
2 stops20h 31m
Frontier
Deal found 4/26$272
This American Airlines deal was found by Cheapflights users on 4/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:45 am
ORD
-
SFO
Nonstop4h 41m
American Airlines
Sat 8/86:10 am
SFO
-
ORD
Nonstop4h 20m
American Airlines
Deal found 4/25$273
This American Airlines deal was found by Cheapflights users on 4/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:45 am
ORD
-
SFO
Nonstop4h 40m
American Airlines
Tue 6/302:47 pm
SFO
-
ORD
Nonstop4h 46m
American Airlines
Deal found 4/22$274

Find flight deals from O'Hare Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to San Francisco (SFO). 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 April 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$260
(American Airlines)

One-way from

$132
(iWofly)

Popular in

April

Cheapest in

September

Average price

$443

Good round-trip deal

$381 or less

Good one-way deal

$201 or less
Provider with most accurate pricing for Chicago O'Hare Intl-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-San Francisco flights.
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From Chicago O'Hare Intl to San Francisco
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One-way flight from Chicago O'Hare Intl to San Francisco
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Chicago O'Hare Intl to San Francisco.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to San Francisco.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to San Francisco 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 2,558,603 searches. Data last updated April 27, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Tue 6/2

9:33 pm-12:30 am

Nonstop4h 57m

San Francisco

Tue 6/9

11:30 pm-5:57 am

Nonstop4h 27m

$265

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 8/12

6:20 am-11:49 am

1 stop7h 29m

San Francisco

Mon 8/31

11:52 am-11:41 pm

1 stop9h 49m

$286

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 5/23

7:00 am-2:15 pm

1 stop9h 15m

San Francisco

Sat 6/13

2:30 pm-11:18 pm

1 stop6h 48m

$320

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 5/30

7:00 am-5:25 pm

2 stops12h 25m

San Francisco

Tue 6/2

10:05 am-10:55 pm

2 stops10h 50m

$322

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Thu 10/8

9:39 pm-12:34 am

Nonstop4h 55m

San Francisco

Wed 10/14

11:30 pm-5:57 am

Nonstop4h 27m

$335

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 6/27

6:20 pm-9:18 pm

Nonstop4h 58m

San Francisco

Fri 7/3

6:34 pm-12:59 am

Nonstop4h 25m

$344

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sun 7/26

6:10 am-8:47 am

Nonstop4h 37m

San Francisco

Tue 8/4

4:21 pm-10:59 pm

Nonstop4h 38m

$371

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 7/1

3:57 pm-6:49 pm

Nonstop4h 52m

San Francisco

Thu 7/9

12:50 am-7:16 am

Nonstop4h 26m

$376

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Sat 5/23

8:09 pm-11:02 pm

Nonstop4h 53m

San Francisco

Fri 6/12

11:30 pm-5:57 am

Nonstop4h 27m

$390
Quickest round-trip

ChicagoSan Francisco

ORD - SFO

ORDSFO

Chicago O'Hare Intl

Wed 7/29

6:10 am-8:47 am

Nonstop4h 37m

San Francisco

Sat 8/8

5:05 am-11:31 am

Nonstop4h 26m

$415

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 23 resultsSorted by cheapest first
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Compare providers for flights from O'Hare Intl to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to San Francisco in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from O'Hare Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to San Francisco

How far ahead should I book a flight from Chicago O'Hare Intl Airport to San Francisco?

The price you pay for your flight from Chicago O'Hare Intl Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to San Francisco?

Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco (average of $306). Flying from Chicago O'Hare Intl Airport to San Francisco in April is currently the most expensive (average of $443). 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.

What is the cheapest time of day to fly from ORD to SFO?

Find hourly flight availability from O'Hare Intl to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 27, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 24% on flights from Chicago O'Hare Intl Airport to San Francisco by exploring options for tickets in the morning.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to San Francisco. Price data was last updated on April 25, 2026.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to San Francisco flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to San Francisco?

The best insider tips for Chicago O'Hare Intl Airport to San Francisco flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to San Francisco trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines and SFO

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Robert Schrader

Robert Schrader

Expert on Alaska Airlines

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated April 27, 2026.
Get a feel of what it's like to fly with Alaska Airlines,United Airlines, andJetBlue from Chicago O'Hare Intl Airport to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,302 reviews

Boarding

8.1

Food

7.0

Entertainment

7.0

Crew

8.5

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
7.9
Good
12,302 reviews
Alaska Airlines
7.9
Good
12,302 reviews

Boarding

8.1

Food

7.0

Entertainment

7.0

Crew

8.5

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
United Airlines
7.4
Good
9,672 reviews
Alaska Airlines
7.9
Good
12,302 reviews

Boarding

8.1

Food

7.0

Entertainment

7.0

Crew

8.5

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
JetBlue
7.2
Good
2,967 reviews
Alaska Airlines
7.9
Good
12,302 reviews

Boarding

8.1

Food

7.0

Entertainment

7.0

Crew

8.5

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
American Airlines
7.1
Good
11,671 reviews
Alaska Airlines
7.9
Good
12,302 reviews

Boarding

8.1

Food

7.0

Entertainment

7.0

Crew

8.5

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Frontier
5.7
Fair
2,971 reviews
Alaska Airlines
7.9
Good
12,302 reviews

Boarding

8.1

Food

7.0

Entertainment

7.0

Crew

8.5

Overall

7.9

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to San Francisco. 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 into for flights to San Francisco from Chicago O'Hare Intl?

    Located just 11.0 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to San Francisco (SFO) should be relatively easy as there are 66 daily inbound flights from Chicago O'Hare Intl from 8 different airlines.

  • How long is the flight from Chicago O'Hare Intl Airport to San Francisco?

    Departing from Chicago O'Hare Intl Airport to San Francisco will take you 4h 57m. Airlines will cover a distance of 1841 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to San Francisco round-trip?

    Currently priced at $108, Hawaiian Airlines will fly you from Chicago O'Hare Intl Airport to San Francisco and back. In addition to Hawaiian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and Delta - these airlines can fly you to your destination from $120 and $128, respectively. Users have found that Hawaiian Airlines is 70% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to San Francisco one-way?

    The cheapest airlines for a one-way flight from Chicago O'Hare Intl Airport to San Francisco are JetBlue ($73), Frontier ($85), and Alaska Airlines ($89).

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to San Francisco?

    Consider ANA (93%), Air China (91%) or China Southern (78%) when booking your flight. These represent the most reliable airlines when flying from Chicago O'Hare Intl Airport to San Francisco.

  • What are the cheapest flights from Chicago O'Hare Intl Airport to San Francisco?

    Looking at all options, your cheapest flight can be booked for $129. While the most popular route (Chicago O'Hare Intl - San Francisco) can be booked for $228 on average, our data indicates $1,092 when flying from Chicago O'Hare Intl Airport to San Francisco.

  • Can I find deals for flights from O'Hare Intl to San Francisco that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to San Francisco.

  • Can I find deals for business class flights from O'Hare Intl to San Francisco?

    Yes. Cheapflights offers flight deals from O'Hare Intl to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to San Francisco?

    Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Francisco (average of $306). Flying from Chicago O'Hare Intl Airport to San Francisco in April is currently the most expensive (average of $443). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
South San Francisco
Santa Cruz
Santa Clara
Fairfield
Rancho Cordova
San Bruno
Watsonville
San Ramon
Emeryville
Vacaville
Roseville
San Carlos
Redwood City
Sunnyvale
Turlock
San Lorenzo
Davis
Manteca
Union City
Elk Grove

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Top 8 airlines flying from O'Hare Intl to San Francisco

Discover the top 8 airlines that operate flights from O'Hare Intl to San Francisco. 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 2,558,603 searches. Data last updated April 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$108Average$217FlexibilityNo cancel feeOn-time85%
FrontierCheapest$120Average$232FlexibilityNo cancel feeOn-time62%
DeltaCheapest$128Average$364FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$138Average$332FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$147Average$304FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$186Average$291FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$197Average$328FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$217Average$417FlexibilityNo cancel feeOn-time69%

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