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$114+ Cheap flights from San Francisco to Boston (SFO - BOS)

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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — BOS
Dec 28 — Jan 41
Sat 12/28
Sat 1/4
1 adult, Economy
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The best prices from San Francisco to Boston Logan Intl are usually found in February or January, booked 50 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from San Francisco to Boston

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Boston (BOS). 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 December 23, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$207
(Travelocity)

One-way from

$114
(Delta)

Popular in

June

Cheapest in

February

Average price

$474
Provider with most accurate pricing for San Francisco-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Boston Logan Intl flights.
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From San Francisco to Boston Logan Intl
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One-way flight from San Francisco to Boston Logan Intl
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High demand for flights, 13% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from San Francisco to Boston

Cheapest flights from San Francisco to Boston
Explore the most affordable flight options available from San Francisco to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2024.

This Delta deal was found by Cheapflights users on 12/21. 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 12/287:10 amSFO - BOS
Nonstop5h 49mDelta
Mon 2/105:50 pmBOS - SFO
Nonstop7h 06mDelta
Deal found 12/21$332
This Alaska Airlines deal was found by Cheapflights users on 12/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/286:40 amSFO - BOS
Nonstop5h 44mAlaska Airlines
Mon 2/104:30 pmBOS - SFO
1 stop10h 08mAlaska Airlines
Deal found 12/21$341
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/285:44 amSFO - BOS
1 stop8h 08mAmerican Airlines
Mon 2/1010:30 amBOS - SFO
1 stop11h 36mAmerican Airlines
Deal found 12/21$351
This JetBlue deal was found by Cheapflights users on 12/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/317:00 amSFO - BOS
1 stop11h 39mJetBlue
Tue 1/76:00 amBOS - SFO
Nonstop6h 55mJetBlue
Deal found 12/23$356
This FlightHub deal was found by Cheapflights users on 12/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:07 pmSFO - BOS
1 stop13h 44mMultiple Airlines
Mon 1/611:55 amBOS - SFO
1 stop14h 04mMultiple Airlines
Deal found 12/22$357
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Sat 12/287:10 pmSFO - BOS
1 stop7h 47mUnited Airlines
Sun 1/54:53 pmBOS - SFO
1 stop9h 10mUnited Airlines
Deal found 12/21$468
This Kiwi.com deal was found by Cheapflights users on 12/22. 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.
Tue 12/2411:59 pmSFO - BOS
1 stop7h 52mSun Country Air
Tue 12/3111:46 amBOS - SFO
1 stop14h 05mSun Country Air
Deal found 12/22$536
This Southwest deal was found by Cheapflights users on 12/22. 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.
Tue 12/247:55 amSFO - BOS
2 stops10h 40mSouthwest
Fri 12/277:10 pmBOS - SFO
1 stop8h 25mSouthwest
Deal found 12/22$555

Find flights from San Francisco to Boston within your budget

Customize your flight search to find flights from San Francisco to Boston 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 December 23, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 1/27

11:20 am-11:59 pm

1 stop9h 39m

Boston Logan Intl

Mon 2/3

12:56 pm-7:50 pm

1 stop9h 54m

$212

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 1/27

11:05 pm-7:38 am

Nonstop5h 33m

Boston Logan Intl

Sat 2/1

7:45 pm-11:30 pm

Nonstop6h 45m

$227

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Wed 1/15

6:00 am-4:53 pm

1 stop7h 53m

Boston Logan Intl

Sat 1/18

1:30 pm-5:21 pm

Nonstop6h 51m

$237

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 4/10

7:55 pm-7:52 am

1 stop8h 57m

Boston Logan Intl

Tue 4/15

7:59 pm-11:57 pm

Nonstop6h 58m

$243

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Sun 1/12

12:27 am-11:02 am

1 stop7h 35m

Boston Logan Intl

Sun 1/19

8:45 am-3:28 pm

1 stop9h 43m

$248

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Tue 5/6

12:30 pm-11:59 pm

1 stop8h 29m

Boston Logan Intl

Fri 5/9

8:00 pm-11:59 pm

Nonstop6h 59m

$296

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 2/13

5:00 am-3:30 pm

1 stop7h 30m

Boston Logan Intl

Sun 2/16

6:50 am-12:25 pm

1 stop8h 35m

$313

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 6/12

11:59 pm-10:37 am

1 stop7h 38m

Boston Logan Intl

Fri 6/20

11:34 am-10:50 pm

1 stop14h 16m

$343

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Mon 1/13

7:30 am-4:10 pm

Nonstop5h 40m

$114

San FranciscoBoston

SFO - BOS

SFOBOS

San Francisco

Thu 4/10

1:35 pm-10:22 pm

Nonstop5h 47m

$115

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 17 results
1
2

Compare providers for flights from San Francisco to Boston

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 San Francisco to Boston in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy2 starsTrust Score*3 stars
FlightsMojoPrice Accuracy-Trust Score*3 stars
KAYAKPrice Accuracy-Trust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 San Francisco-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Boston 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 San Francisco-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for San Francisco to Boston flights

Find out what our experts recommend to make the most of your San Francisco to Boston trip
Airlines
JetBlue

JetBlue's Even More Space seats offer up to 38 inches of legroom, enhancing comfort.


JetBlue's free onboard Wi-Fi and seatback screens offer excellent entertainment options.

Read more about JetBlueby Blane Bachelor
Delta

Delta offers free Wi-Fi for SkyMiles members, enhancing productivity on domestic flights.


Delta's Comfort Plus provides extra legroom, early boarding, and complimentary drinks, ideal for comfort.

Read more about Deltaby Harriet Baskas
United Airlines

Economy Plus offers extra legroom and priority boarding, ideal for comfort on medium-haul flights.


Prepay checked bags 24 hours before to save fees; premium cabins include free checked bags.

Read more about United Airlinesby Harriet Baskas
Alaska Airlines

Alaska's Premium Class offers extra legroom and free cocktails, enhancing comfort on longer flights.


Saver Fare allows a carry-on onboard, unlike many basic economy fares, offering more flexibility.

Read more about Alaska Airlinesby Robert Schrader
Airports
SFO

For a quick departure, use the AirTrain Red Line to navigate between terminals after security at SFO.

Read more about SFOby Harriet Baskas
BOS

Use the MBTA Silver Line for a free ride from BOS to downtown Boston's South Station.

Read more about BOSby Paul Rubio
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on JetBlue

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Harriet Baskas

Harriet Baskas

Expert on Delta, United Airlines and SFO

Harriet Baskas

Harriet Baskas

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

Robert Schrader

Robert Schrader

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
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.

Best time to book a flight from San Francisco to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston 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.

Travel insights for flights from San Francisco to Boston

Get recent, data-driven insights about flights from San Francisco to Boston including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from San Francisco to Boston?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Boston. Price data was last updated on December 20, 2024.

The best time to book flights from San Francisco to Boston is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Francisco to Boston?

Currently, January is the cheapest month in which you can book a flight from San Francisco to Boston (average of $218). Flying from San Francisco to Boston in July is currently the most expensive (average of $311). 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 SFO to BOS?

Find hourly flight availability from San Francisco to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 23, 2024.

It’s typically best to fly out from San Francisco to Boston in the afternoon. Doing so could potentially save you 13% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from San Francisco to Boston?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Boston. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco to Boston flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to Boston

Explore weekly flight availability from San Francisco to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 23, 2024.

The most flights from SFO to BOS are scheduled on a Friday (51 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (24 on average).

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, 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 30.2 F).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated December 23, 2024.
Get a feel of what it's like to fly with Sun Country Air, American Airlines and JetBlue from San Francisco to Boston by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,780 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Southwest
8.1
Very good
4,780 reviews
Southwest
8.1
Very good
4,780 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Alaska Airlines
8.0
Very good
9,549 reviews
Southwest
8.1
Very good
4,780 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Delta
8.0
Very good
8,588 reviews
Southwest
8.1
Very good
4,780 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

JetBlue
7.4
Good
3,263 reviews
Southwest
8.1
Very good
4,780 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

United Airlines
7.4
Good
9,022 reviews
Southwest
8.1
Very good
4,780 reviews

Crew

8.7

Boarding

8.2

Comfort

8.1

Food

7.2

Entertainment

7.7

Overall

8.1

Reviews

1 / 10

Flight was delayed by one hour and 40 minutes. Also baggage was delivered late at Boston. This delay made me miss my connection from Boston to Hyderabad

Related info for your journey

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

  • What airports do I use to fly from San Francisco to Boston?

    To fly from San Francisco to Boston, you need to book a flight from San Francisco (SFO) to Logan Intl (BOS). Nonstop flights to Boston Logan Intl from San Francisco take 5h 30m on average. When it comes time to book airfare, you have a few options: there are 39 outbound flights from San Francisco to Logan Intl offered by 9 different airlines.

  • How popular is this San Francisco to Boston flight route?

    The San Francisco to Boston Logan Intl flight path was viewed by 59 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from San Francisco to Boston round-trip?

    Currently priced at $227, JetBlue will fly you from San Francisco to Boston and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $237 and $242, respectively. JetBlue is 38% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Francisco to Boston one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $114. JetBlue flights start at $115 while deals on United Airlines start at $119 one-way.

  • What are the most reliable airlines from San Francisco to Boston?

    Consider Etihad Airways (100%), American Airlines (95%) or Fiji Airways (95%) when booking your flight. These represent the most reliable airlines when flying from San Francisco to Boston.

  • What are the cheapest flights from San Francisco to Boston?

    Looking at all options, your cheapest flight can be booked for $113. While the most popular route (San Francisco - Boston Logan Intl) can be booked for $180 on average our data indicates $972 when flying from San Francisco to Boston.

  • Where are the most common layover locations when flying from San Francisco to Boston?

    Flights departing from San Francisco and landing in Boston layover in New York most frequently.

  • What are some popular things to do or see while on a layover in New York?

    Times Square, New York City Center, and Madison Square Garden are the most popular attractions in New York if you're in need of something to do during your layover. Times Square, New York City Center, and Madison Square Garden can be visited by traveling about 13.6 mi, 13.6 mi, and 13.6 mi respectively from New York John F Kennedy Intl. Those on a layover in New York in need of a rental car can book one at New York John F Kennedy Intl for about $68.

  • Where are the least popular layover locations for San Francisco to Boston flights?

    Of the flights from San Francisco to Boston that have layovers, the fewest flights stop in Chicago.

  • Can I find deals for flights from San Francisco to Boston that include hotel bookings?

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

  • How can I find direct flights from San Francisco to Boston?

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

  • Can I find deals for business class flights from San Francisco to Boston?

    Yes. Cheapflights offers flight deals from San Francisco to Boston 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 San Francisco to Boston?

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Boston (average of $218). Flying from San Francisco to Boston in July is currently the most expensive (average of $311). 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 San Francisco to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from San Francisco to Boston

Discover the top 8 airlines that operate flights from San Francisco to Boston. 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 December 23, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$120Average$349FlexibilityNo cancel feeOn-time71%
FrontierCheapest$128Average$148FlexibilityNo cancel feeOn-time62%
DeltaCheapest$149Average$387FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$152Average$405FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$162Average$331FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$168Average$377FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$226Average$471FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$406Average$541FlexibilityNo cancel feeOn-time63%
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