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Luis Munoz Marin Intl

$117+ Cheap flights from Austin (AUS) to Luis Munoz Marin Intl (SJU)

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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SJU
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Austin to Luis Munoz Marin Intl

Cheapest flights from Austin to Luis Munoz Marin Intl
Explore the most affordable flight options available from Austin to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/314:59 pm
AUS
-
SJU
1 stop14h 48m
Spirit Airlines
Fri 2/64:40 pm
SJU
-
AUS
1 stop6h 55m
Spirit Airlines
Deal found 1/21$171
This Priceline deal was found by Cheapflights users on 1/19. 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.
Sat 2/711:16 am
AUS
-
SJU
1 stop10h 43m
Frontier
Sat 2/217:54 pm
SJU
-
AUS
1 stop15h 57m
Frontier
Deal found 1/19$182
This Priceline deal was found by Cheapflights users on 1/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/87:25 am
AUS
-
SJU
1 stop6h 10m
Multiple Airlines
Thu 2/124:25 pm
SJU
-
AUS
1 stop30h 19m
Multiple Airlines
Deal found 1/21$188
This Cheapflightsfares deal was found by Cheapflights users on 1/20. 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.
Mon 2/27:25 am
AUS
-
SJU
1 stop6h 10m
Spirit Airlines
Fri 2/64:40 pm
SJU
-
AUS
1 stop6h 55m
Spirit Airlines
Deal found 1/20$192
This Priceline deal was found by Cheapflights users on 1/20. 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.
Sat 2/711:16 am
AUS
-
SJU
1 stop10h 43m
Multiple Airlines
Wed 2/116:00 am
SJU
-
AUS
1 stop12h 04m
Multiple Airlines
Deal found 1/20$193
This Priceline deal was found by Cheapflights users on 1/18. 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.
Mon 3/27:57 pm
AUS
-
SJU
1 stop11h 57m
Frontier
Sun 3/83:08 am
SJU
-
AUS
1 stop7h 28m
Frontier
Deal found 1/18$201
This Cheapflightsfares deal was found by Cheapflights users on 1/20. 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.
Sat 2/214:59 pm
AUS
-
SJU
1 stop15h 18m
Spirit Airlines
Sat 2/286:00 am
SJU
-
AUS
1 stop12h 04m
Spirit Airlines
Deal found 1/20$203
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 1/3111:16 am
AUS
-
SJU
1 stop10h 43m
Multiple Airlines
Sat 2/76:20 pm
SJU
-
AUS
1 stop18h 14m
Multiple Airlines
Deal found 1/20$210
This Frontier deal was found by Cheapflights users on 1/19. 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.
Thu 3/268:16 pm
AUS
-
SJU
1 stop11h 38m
Frontier
Tue 4/76:00 am
SJU
-
AUS
1 stop10h 12m
Frontier
Deal found 1/19$211
This Priceline deal was found by Cheapflights users on 1/20. 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.
Tue 2/174:59 pm
AUS
-
SJU
1 stop15h 18m
Multiple Airlines
Sat 2/217:54 pm
SJU
-
AUS
1 stop15h 57m
Multiple Airlines
Deal found 1/20$214
This Cheapflightsfares deal was found by Cheapflights users on 1/20. 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.
Sat 1/314:59 pm
AUS
-
SJU
1 stop14h 48m
Spirit Airlines
Tue 2/36:00 am
SJU
-
AUS
1 stop12h 04m
Spirit Airlines
Deal found 1/20$215
This Kiwi.com deal was found by Cheapflights users on 1/18. 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.
Sun 2/15:58 pm
AUS
-
SJU
2 stops23h 00m
Multiple Airlines
Fri 2/64:40 pm
SJU
-
AUS
1 stop19h 54m
Multiple Airlines
Deal found 1/18$217

Find flight deals from Austin to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Luis Munoz Marin Intl (SJU). 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 January 21, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$171
(Cheapflightsfares)

One-way from

$117
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$365

Good one-way deal

$593 or less
Provider with most accurate pricing for Austin Bergstrom-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-San Juan Luis Munoz Marin Intl flights.
Search Deals
From Austin Bergstrom to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Austin Bergstrom to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a one-way flight from Austin Bergstrom to San Juan Luis Munoz Marin Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Luis Munoz Marin 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 January 21, 2026.
Use the filters below to find and compare flights from Austin to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Austin

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 2/10

6:00 am-3:30 pm

1 stop7h 30m

San Juan Luis Munoz Marin Intl

Sat 2/14

5:45 am-1:01 pm

1 stop9h 16m

$237

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 2/6

11:30 am-11:33 pm

3 stops34h 03m

San Juan Luis Munoz Marin Intl

Sat 2/14

5:20 am-4:04 pm

1 stop12h 44m

$259

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 3/3

11:35 am-11:10 pm

1 stop9h 35m

San Juan Luis Munoz Marin Intl

Sat 4/11

2:25 pm-6:40 pm

Nonstop5h 15m

$262

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 3/3

6:35 am-5:27 pm

1 stop8h 52m

San Juan Luis Munoz Marin Intl

Wed 3/4

6:37 pm-12:22 am

1 stop7h 45m

$266

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 2/18

12:34 pm-11:58 pm

1 stop9h 24m

San Juan Luis Munoz Marin Intl

Wed 2/25

6:37 pm-12:22 am

1 stop7h 45m

$266

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 2/28

7:39 pm-6:11 am

1 stop8h 32m

San Juan Luis Munoz Marin Intl

Mon 3/2

2:05 am-1:13 pm

2 stops13h 08m

$287

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 3/3

6:00 am-6:27 pm

1 stop10h 27m

San Juan Luis Munoz Marin Intl

Thu 4/9

7:55 am-3:21 pm

1 stop8h 26m

$293

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 3/28

4:34 pm-1:12 am

1 stop7h 38m

San Juan Luis Munoz Marin Intl

Mon 4/6

5:01 am-4:52 pm

1 stop12h 51m

$314

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 2/28

7:39 pm-6:11 am

1 stop8h 32m

San Juan Luis Munoz Marin Intl

Thu 4/9

7:00 am-3:24 pm

1 stop9h 24m

$356

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 4/11

5:40 am-12:20 pm

1 stop5h 40m

San Juan Luis Munoz Marin Intl

Sat 4/18

2:25 pm-6:40 pm

Nonstop5h 15m

$373

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 22 results
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Compare providers for flights from Austin to Luis Munoz Marin 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 Austin to Luis Munoz Marin Intl in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 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 Austin-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Austin-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Austin-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-San Juan Luis Munoz Marin 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 Austin-San Juan Luis Munoz Marin 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 Austin to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Austin 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 Austin to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Austin to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Austin to Luis Munoz Marin Intl. Price data was last updated on January 16, 2026.

Booking 87 days in advance of your planned departure date is, on average, the best time to get cheap flights from Austin to San Juan Luis Munoz Marin Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Austin to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Austin to San Juan Luis Munoz Marin Intl Airport (average of $116). Flying from Austin to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of $199). 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.

How much does it cost to fly round-trip from Austin to San Juan Luis Munoz Marin Intl Airport?

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin 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 Luis Munoz Marin Intl. Reviews last updated January 21, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from Austin to San Juan Luis Munoz Marin Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

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
8.0
Very good
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

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
8,089 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

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
9,191 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

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
11,174 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

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
Frontier
5.7
Fair
3,057 reviews
Southwest
8.0
Very good
4,266 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Boarding

8.1

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 Austin to Luis Munoz Marin 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 Austin to San Juan Luis Munoz Marin Intl?

    Located just 7.5 mi from the city center, Austin Bergstrom is the airport most travelers will use when flying to San Juan Luis Munoz Marin Intl from Austin. Booking flights from Austin Bergstrom (AUS) to San Juan Luis Munoz Marin Intl should be relatively easy as there are 0 daily outbound flights to San Juan Luis Munoz Marin Intl from 7 different airlines.

  • How long is the flight from Austin to San Juan Luis Munoz Marin Intl Airport?

    For as low as $237, JetBlue can have you in San Juan Luis Munoz Marin Intl Airport from Austin in 7h 30m. The distance from Austin to San Juan Luis Munoz Marin Intl Airport is about 2142 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 Austin to San Juan Luis Munoz Marin Intl Airport round-trip?

    Spirit Airlines, at $126, was found to be the cheapest airline from Austin to San Juan Luis Munoz Marin Intl Airport.Alternate airlines to your destination round-trip include Frontier and Delta. Spirit Airlines is currently priced 70% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Austin to San Juan Luis Munoz Marin Intl Airport one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $58. Users have also found prices from $84 and $122 on Frontier and United Airlines, respectively.

  • What are the cheapest flights from Austin to San Juan Luis Munoz Marin Intl Airport?

    The cheapest flight price from Austin to San Juan Luis Munoz Marin Intl Airport is $493. On average you can expect to pay $758. The most popular route, (Austin Bergstrom - San Juan Luis Munoz Marin Intl), can usually be booked for $161.

  • Where are the most common layover locations when flying from Austin to San Juan Luis Munoz Marin Intl Airport?

    Austin to San Juan Luis Munoz Marin Intl Airport flights have a layover in Miami most of the time. Orlando sees the second most layovers for non-direct flights flying from Austin to San Juan Luis Munoz Marin Intl Airport. Atlanta comes in third as the most popular layover location on Austin to San Juan Luis Munoz Marin Intl Airport flights.

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

    Kaseya Center, Bayfront Park, and Bayside Marketplace are currently the most popular points of interest in Miami at the moment. Kaseya Center, Bayfront Park, and Bayside Marketplace can be visited by traveling about 6.2 mi, 6.4 mi, and 6.4 mi respectively from Miami. Travelers can rent a car at Miami for an average daily rate of $33 to make sightseeing during their layover a little easier.

  • What are some popular points of interest to see during a layover in Orlando?

    Universal Orlando Resort, Walt Disney World Resort, and International Drive are currently the most popular points of interest in Orlando at the moment. Those on a layover in Orlando interested in visiting Universal Orlando Resort, Walt Disney World Resort, or International Drive can do so by traveling 10.2 mi, 16.2 mi, and 9.9 mi, respectively from Orlando. Those landing in Orlando looking to spend some time exploring during their layover can rent a car for about $32 per day.

  • What are points of interest worth seeing during a layover in Atlanta?

    Georgia Aquarium, Fox Theatre, and Centennial Olympic Park are currently the most popular points of interest in Atlanta. Georgia Aquarium, Fox Theatre, and Centennial Olympic Park can be visited by traveling about 8.6 mi, 9.3 mi, and 8.4 mi respectively from Atlanta Hartsfield-Jackson. Those landing in Atlanta looking to spend some time exploring during their layover can rent a car for about $51 per day.

  • Where are the least popular layover locations for Austin to San Juan Luis Munoz Marin Intl Airport flights?

    Austin to San Juan Luis Munoz Marin Intl Airport flights have a layover in Houston least often. Dallas sees the next fewest layovers on Austin to San Juan Luis Munoz Marin Intl Airport flights. Charlotte comes in third to last in terms of the least popular layover locations on Austin to San Juan Luis Munoz Marin Intl Airport flights.

  • Can I find deals for flights from Austin to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Austin to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Austin to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Austin to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Austin to Luis Munoz Marin 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 Austin to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Austin to San Juan Luis Munoz Marin Intl Airport (average of $116). Flying from Austin to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of $199). 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 Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Fajardo
Dorado
Luquillo
Rio Grande
Humacao
Bayamón

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Top 7 airlines flying from Austin to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from Austin to Luis Munoz Marin 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$126Average$338FlexibilityNo cancel feeOn-time65%
FrontierCheapest$144Average$294FlexibilityNo cancel feeOn-time62%
DeltaCheapest$174Average$380FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$416FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$245Average$432FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$265Average$504FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$277Average$550FlexibilityNo cancel feeOn-time62%

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