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Sky Harbor Intl

$118+ Cheap flights from Boston (BOS) to Sky Harbor Intl (PHX)

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — PHX
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Find cheap flights from Boston to Sky Harbor Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Boston Logan Intl to Phoenix Sky Harbor Intl are usually found in January or August, booked 32 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Boston to Sky Harbor Intl

Cheapest flights from Boston to Sky Harbor Intl
Explore the most affordable flight options available from Boston to Sky Harbor Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This JetBlue deal was found by Cheapflights users on 12/10. 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.
Wed 12/314:50 pmBOS - PHX
Nonstop6h 01mJetBlue
Fri 1/910:19 pmPHX - BOS
Nonstop4h 41mJetBlue
Deal found 12/10$247
This Priceline deal was found by Cheapflights users on 12/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amBOS - PHX
1 stop9h 12mMultiple Airlines
Wed 1/710:19 pmPHX - BOS
Nonstop4h 41mMultiple Airlines
Deal found 12/10$250
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/313:30 pmBOS - PHX
1 stop8h 27mAmerican Airlines
Wed 1/74:25 pmPHX - BOS
Nonstop4h 47mAmerican Airlines
Deal found 12/10$262
This Frontier deal was found by Cheapflights users on 12/10. 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.
Fri 12/198:18 amBOS - PHX
1 stop10h 47mFrontier
Thu 1/86:47 pmPHX - BOS
1 stop11h 06mFrontier
Deal found 12/10$267
This Frontier deal was found by Cheapflights users on 12/11. 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.
Wed 12/316:00 amBOS - PHX
1 stop9h 12mFrontier
Thu 1/86:47 pmPHX - BOS
1 stop11h 06mFrontier
Deal found 12/11$282
This JetBlue deal was found by Cheapflights users on 12/10. 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.
Wed 12/314:50 pmBOS - PHX
Nonstop6h 01mJetBlue
Sat 1/1011:59 pmPHX - BOS
Nonstop4h 38mJetBlue
Deal found 12/10$284
This JetBlue deal was found by Cheapflights users on 12/10. 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.
Wed 12/312:55 pmBOS - PHX
1 stop8h 50mJetBlue
Wed 1/710:19 pmPHX - BOS
Nonstop4h 41mJetBlue
Deal found 12/10$289
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Wed 12/315:45 amBOS - PHX
2 stops20h 50mMultiple Airlines
Thu 1/86:47 pmPHX - BOS
1 stop11h 06mMultiple Airlines
Deal found 12/11$291
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:50 pmBOS - PHX
Nonstop6h 01mMultiple Airlines
Mon 1/512:32 pmPHX - BOS
1 stop14h 38mMultiple Airlines
Deal found 12/10$298
This Frontier deal was found by Cheapflights users on 12/10. 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 12/2012:22 pmBOS - PHX
1 stop13h 27mFrontier
Thu 1/86:47 pmPHX - BOS
1 stop11h 06mFrontier
Deal found 12/10$312

Find flight deals from Boston to Sky Harbor Intl

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Sky Harbor Intl (PHX). 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 12, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$217
(United Airlines)

One-way from

$118
(Delta)

Popular in

April

Cheapest in

January

Average price

$395

Good round-trip deal

$297 or less

Good one-way deal

$179 or less
Provider with most accurate pricing for Boston Logan Intl-Phoenix Sky Harbor Intl flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Phoenix Sky Harbor Intl flights.
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From Boston Logan Intl to Phoenix Sky Harbor Intl
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One-way flight from Boston Logan Intl to Phoenix Sky Harbor Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Phoenix Sky Harbor Intl.
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Phoenix Sky Harbor Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Sky Harbor Intl 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 12, 2025.
Use the filters below to find and compare flights from Boston to Phoenix Sky Harbor Intl Airport that are best for you.

Fly from

Boston

Fly to

Sky Harbor Intl

Route

Depart

Return

Price

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Tue 1/20

4:58 pm-10:49 pm

1 stop7h 51m

Phoenix Sky Harbor Intl

Sun 1/25

11:53 pm-10:02 am

1 stop8h 09m

$217

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Thu 1/8

4:49 pm-10:59 pm

1 stop8h 10m

Phoenix Sky Harbor Intl

Mon 1/12

3:13 pm-11:49 pm

1 stop6h 36m

$217

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 2/28

3:14 pm-10:29 pm

1 stop9h 15m

Phoenix Sky Harbor Intl

Thu 3/5

12:30 am-9:21 am

1 stop6h 51m

$234

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 2/21

6:52 pm-11:00 pm

Nonstop6h 08m

Phoenix Sky Harbor Intl

Tue 2/24

1:40 pm-8:27 pm

Nonstop4h 47m

$251

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 2/18

6:25 pm-12:11 am

1 stop7h 46m

Phoenix Sky Harbor Intl

Mon 2/23

12:59 am-10:51 am

1 stop7h 52m

$261

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 1/3

5:25 pm-9:15 pm

Nonstop5h 50m

Phoenix Sky Harbor Intl

Sat 1/10

1:45 pm-8:32 pm

Nonstop4h 47m

$262

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sun 2/22

5:15 pm-9:20 pm

Nonstop6h 05m

Phoenix Sky Harbor Intl

Fri 2/27

12:59 am-10:50 am

1 stop7h 51m

$264

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 2/11

6:25 pm-12:11 am

1 stop7h 46m

Phoenix Sky Harbor Intl

Sun 2/15

11:58 pm-6:55 am

Nonstop4h 57m

$272

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Sat 3/7

2:16 pm-9:50 pm

1 stop9h 34m

Phoenix Sky Harbor Intl

Wed 3/11

9:29 pm-5:11 am

Nonstop4h 42m

$274

BostonPhoenix

BOS - PHX

BOSPHX

Boston Logan Intl

Wed 2/18

5:15 pm-9:14 pm

Nonstop5h 59m

Phoenix Sky Harbor Intl

Mon 2/23

11:59 pm-10:20 am

1 stop8h 21m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 21 results
1
2
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Compare providers for flights from Boston to Sky Harbor Intl

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 Boston to Sky Harbor Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust 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 Boston-Phoenix Sky Harbor Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Boston-Phoenix Sky Harbor Intl Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Boston-Phoenix Sky Harbor Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Phoenix Sky Harbor Intl Airport flights, Cheapflights users trust CheapOair the most. CheapOair 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 Boston-Phoenix Sky Harbor Intl Airport 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 Boston to Sky Harbor Intl

Have a flexible travel schedule? Discover the best time to fly to Sky Harbor Intl from Boston 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 Boston to Phoenix Sky Harbor Intl Airport

How far ahead should I book a flight from Boston to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Sky Harbor Intl. Price data was last updated on December 5, 2025.

To ensure you get the cheapest price possible for a flight from Boston to Phoenix Sky Harbor Intl Airport, you should look to book at least 32 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Boston to Phoenix Sky Harbor Intl Airport?

Currently, January is the cheapest month in which you can book a flight from Boston to Phoenix Sky Harbor Intl Airport (average of $98). Flying from Boston to Phoenix Sky Harbor Intl Airport in May is currently the most expensive (average of $231). 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 BOS to PHX?

Find hourly flight availability from Boston to Sky Harbor Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to Phoenix Sky Harbor Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Boston to Phoenix Sky Harbor Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Boston to Sky Harbor Intl. Price data was last updated on December 6, 2025.

Travelers seeking maximum savings on their Boston to Phoenix Sky Harbor Intl Airport flight should consider departing on Tuesday evenings 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.

The best insider tips for Boston to Phoenix Sky Harbor Intl Airport 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 Boston to Phoenix Sky Harbor Intl Airport trip
Airports
BOS

Use the FlyLogan App to pre-order food and save time at BOS. Most restaurants participate, making it a convenient option.

Read more about BOSBy Paul Rubio
PHX

For quick access to downtown, take the PHX Sky Train to 44th Street Station, then light rail to the city in under 20 minutes.

Read more about PHXBy Brandon Schultz
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PHX

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

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

Reviews of airlines servicing Sky Harbor Intl

Get insights into the airlines that provide service to Sky Harbor Intl. 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 Sky Harbor Intl. Reviews last updated December 12, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines from Boston to Phoenix Sky Harbor Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
7.9
Good
4,253 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,007 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,095 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,050 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.2
Good
2,899 reviews
Southwest
7.9
Good
4,253 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Boston to Sky Harbor 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 Boston to Phoenix Sky Harbor Intl?

    Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Phoenix Sky Harbor Intl. You should not have trouble finding flights to Phoenix Sky Harbor Intl from Logan Intl; the airport handles an average of 10 outbound flights to Phoenix Sky Harbor Intl per day. You should also have plenty of airline options to choose from since 8 airlines have flights from the Boston airport to Phoenix Sky Harbor Intl. It is only a 2.6 mi journey to Logan Intl (BOS) from Boston’s city center.

  • How long is the flight from Boston to Phoenix Sky Harbor Intl Airport?

    For as low as $217, Delta can have you in Phoenix Sky Harbor Intl Airport from Boston in 7h 51m. There are 2293 mi between Boston and Phoenix Sky Harbor Intl Airport. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Boston to Phoenix Sky Harbor Intl Airport round-trip?

    Cheapflights users have booked flights from Boston to Phoenix Sky Harbor Intl Airport round-trip from $85. Other airlines that can offer you cheap pricing are Frontier, from $96, and JetBlue, from $128. Users have found that Spirit Airlines is 76% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Boston to Phoenix Sky Harbor Intl Airport one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $82. Users have also found prices from $85 and $98 on Frontier and JetBlue, respectively.

  • What are the most reliable airlines from Boston to Phoenix Sky Harbor Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Phoenix Sky Harbor Intl Airport on time: Alaska Airlines (95%), American Airlines (79%), Air France (75%).

  • What are the cheapest flights from Boston to Phoenix Sky Harbor Intl Airport?

    On average you can expect to pay $920 for a flight from Boston to Phoenix Sky Harbor Intl Airport. The cheapest flight overall is $98 while the most popular route, (Boston Logan Intl - Phoenix Sky Harbor Intl) is currently priced at $117.

  • Can I find deals for flights from Boston to Sky Harbor Intl that include hotel bookings?

    Yes. In addition to deals on Boston to Sky Harbor Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Sky Harbor Intl?

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

  • Can I find deals for business class flights from Boston to Sky Harbor Intl?

    Yes. Cheapflights offers flight deals from Boston to Sky Harbor 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.

  • What is the cheapest month to book a flight from Boston to Phoenix Sky Harbor Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Boston to Phoenix Sky Harbor Intl Airport (average of $98). Flying from Boston to Phoenix Sky Harbor Intl Airport in May is currently the most expensive (average of $231). 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 Phoenix Sky Harbor Intl Airport?

Book flights to Phoenix Sky Harbor Intl Airport if you plan to visit one of these locations
Goodyear
Paradise Valley
Payson
Glendale
Casa Grande
Chandler
Globe
Peoria
Camp Verde
Buckeye
Surprise
Avondale
Guadalupe

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Top 8 airlines flying from Boston to Sky Harbor Intl

Discover the top 8 airlines that operate flights from Boston to Sky Harbor 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 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$98Average$195FlexibilityNo cancel feeOn-time65%
FrontierCheapest$134Average$229FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$143Average$310FlexibilityNo cancel feeOn-time62%
DeltaCheapest$174Average$331FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$225Average$397FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$238Average$397FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$246Average$454FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$251Average$15,545FlexibilityNo cancel feeOn-time75%

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