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Luis Munoz Marin Intl

$137+ Cheap flights from San Antonio (SAT) 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
1 adult, Economy
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Find cheap flights from San Antonio to Luis Munoz Marin 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 San Antonio to San Juan Luis Munoz Marin Intl are usually found in September or October, booked 63 days in advance, depart on a Tuesday or Friday and return on a Thursday

Cheap flight deals from San Antonio to Luis Munoz Marin Intl

Cheapest flights from San Antonio to Luis Munoz Marin Intl
Explore the most affordable flight options available from San Antonio to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 3/7. 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.
Thu 4/91:22 pm
SAT
-
SJU
1 stop7h 37m
Spirit Airlines
Sat 4/111:45 am
SJU
-
SAT
1 stop11h 42m
Spirit Airlines
Deal found 3/7$275
This Mytrip deal was found by Cheapflights users on 3/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/810:22 am
SAT
-
SJU
1 stop7h 33m
Spirit Airlines
Sun 4/121:45 am
SJU
-
SAT
1 stop11h 42m
Spirit Airlines
Deal found 3/11$276
This Priceline deal was found by Cheapflights users on 3/9. 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 4/186:30 pm
SAT
-
SJU
1 stop6h 31m
Frontier
Sun 4/193:21 am
SJU
-
SAT
1 stop10h 45m
Frontier
Deal found 3/9$279
This Cheapflightsfares deal was found by Cheapflights users on 3/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/11:22 pm
SAT
-
SJU
1 stop7h 37m
Spirit Airlines
Fri 4/101:45 am
SJU
-
SAT
1 stop11h 42m
Spirit Airlines
Deal found 3/10$280
This United Airlines deal was found by Cheapflights users on 3/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:45 am
SAT
-
SJU
1 stop7h 53m
United Airlines
Thu 5/71:00 am
SJU
-
SAT
2 stops12h 15m
United Airlines
Deal found 3/11$282
This Cheapflightsfares deal was found by Cheapflights users on 3/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/101:22 pm
SAT
-
SJU
1 stop7h 37m
Spirit Airlines
Sun 4/121:45 am
SJU
-
SAT
1 stop11h 42m
Spirit Airlines
Deal found 3/11$284
This Cheapflightsfares deal was found by Cheapflights users on 3/8. 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.
Thu 4/91:22 pm
SAT
-
SJU
1 stop7h 37m
Spirit Airlines
Tue 4/142:59 am
SJU
-
SAT
1 stop11h 18m
Spirit Airlines
Deal found 3/8$285
This Expedia deal was found by Cheapflights users on 3/9. 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.
Sun 3/292:13 pm
SAT
-
SJU
1 stop11h 00m
Multiple Airlines
Fri 4/31:45 am
SJU
-
SAT
1 stop11h 42m
Multiple Airlines
Deal found 3/9$286
This Cheapflightsfares deal was found by Cheapflights users on 3/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/2410:22 am
SAT
-
SJU
1 stop7h 33m
Spirit Airlines
Sun 3/291:45 am
SJU
-
SAT
1 stop11h 42m
Spirit Airlines
Deal found 3/10$287
This Expedia deal was found by Cheapflights users on 3/7. 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.
Fri 4/246:00 am
SAT
-
SJU
1 stop12h 22m
Multiple Airlines
Fri 5/153:08 am
SJU
-
SAT
1 stop15h 51m
Multiple Airlines
Deal found 3/7$288
This Delta deal was found by Cheapflights users on 3/9. 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.
Tue 5/125:25 am
SAT
-
SJU
1 stop7h 13m
Delta
Thu 5/215:43 pm
SJU
-
SAT
1 stop8h 01m
Delta
Deal found 3/9$291
This United Airlines deal was found by Cheapflights users on 3/7. 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.
Tue 5/512:09 pm
SAT
-
SJU
1 stop8h 15m
United Airlines
Fri 5/81:00 am
SJU
-
SAT
2 stops13h 16m
United Airlines
Deal found 3/7$293

Find flight deals from San Antonio to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) 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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$275
(Cheapflightsfares)

One-way from

$137
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$416

Good round-trip deal

$515 or less

Good one-way deal

$176 or less
Provider with most accurate pricing for San Antonio-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-San Juan Luis Munoz Marin Intl flights.
Search Deals
From San Antonio to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from San Antonio to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from San Antonio to San Juan Luis Munoz Marin Intl.
Search Deals
Price to beat on a one-way flight from San Antonio to San Juan Luis Munoz Marin Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio 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 March 12, 2026.
Use the filters below to find and compare flights from San Antonio to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 4/13

11:46 am-8:38 pm

1 stop7h 52m

San Juan Luis Munoz Marin Intl

Thu 4/23

7:20 am-5:43 pm

2 stops11h 23m

$314

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sat 4/25

11:45 am-9:25 pm

2 stops8h 40m

San Juan Luis Munoz Marin Intl

Sat 5/2

6:25 am-6:45 pm

1 stop13h 20m

$331

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 4/27

11:46 am-8:38 pm

1 stop7h 52m

San Juan Luis Munoz Marin Intl

Wed 4/29

1:00 am-10:34 am

1 stop10h 34m

$346
Quickest round-trip

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Wed 7/15

4:35 pm-12:15 am

1 stop6h 40m

San Juan Luis Munoz Marin Intl

Sun 7/19

7:05 pm-12:35 am

1 stop6h 30m

$361

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sat 5/16

6:49 am-9:24 pm

2 stops13h 35m

San Juan Luis Munoz Marin Intl

Wed 5/20

7:20 am-7:40 pm

2 stops13h 20m

$366

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Fri 5/1

10:05 am-11:25 pm

1 stop12h 20m

San Juan Luis Munoz Marin Intl

Mon 5/11

8:40 pm-8:55 am

1 stop13h 15m

$371

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Fri 7/24

12:05 pm-9:30 pm

1 stop8h 25m

San Juan Luis Munoz Marin Intl

Thu 7/30

6:00 am-2:30 pm

2 stops9h 30m

$414

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Fri 6/12

12:50 pm-12:25 am

1 stop10h 35m

San Juan Luis Munoz Marin Intl

Mon 6/22

5:30 am-4:10 pm

1 stop11h 40m

$426
Cheapest one-way

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Wed 6/24

12:55 pm-12:45 am

1 stop10h 50m

$148

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 6/1

6:00 am-12:47 am

1 stop17h 47m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from San Antonio 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 San Antonio to Luis Munoz Marin Intl in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice 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 San Antonio-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-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 San Antonio-San Juan Luis Munoz Marin Intl Airport 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 Antonio-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 San Antonio to Luis Munoz Marin Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Luis Munoz Marin Intl. Price data was last updated on March 6, 2026.

Booking 63 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Antonio 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 San Antonio to San Juan Luis Munoz Marin Intl Airport?

Currently, April is the cheapest month in which you can book a flight from San Antonio to San Juan Luis Munoz Marin Intl Airport (average of $115). Flying from San Antonio to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of $198). 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.

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 March 12, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from San Antonio to San Juan Luis Munoz Marin Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,319 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Southwest
8.0
Very good
4,319 reviews
Southwest
8.0
Very good
4,319 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Delta
7.9
Good
8,286 reviews
Southwest
8.0
Very good
4,319 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
United Airlines
7.4
Good
9,418 reviews
Southwest
8.0
Very good
4,319 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
American Airlines
7.1
Good
11,432 reviews
Southwest
8.0
Very good
4,319 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..
Spirit Airlines
6.3
Okay
8,518 reviews
Southwest
8.0
Very good
4,319 reviews

Entertainment

7.5

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Related info for your journey

Find useful and relevant information for your journey from San Antonio 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 San Antonio to San Juan Luis Munoz Marin Intl?

    San Antonio (SAT), located 7.6 mi from the city center, is the airport you fly out of when you book flights from San Antonio to San Juan Luis Munoz Marin Intl. 6 airlines have flights from San Antonio to San Juan Luis Munoz Marin Intl on a regular basis. Booking flights from San Antonio to San Juan Luis Munoz Marin Intl should not be difficult; the airport handles an average of 0 outbound flights to San Juan Luis Munoz Marin Intl per day.

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

    United Airlines and Southwest can get you from San Antonio to San Juan Luis Munoz Marin Intl Airport in just under 7h 52m. Your travel time can differ by up to 48m. Airlines will cover a distance of 2177 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from San Antonio to San Juan Luis Munoz Marin Intl Airport round-trip?

    Currently priced at $130, Spirit Airlines will fly you from San Antonio to San Juan Luis Munoz Marin Intl Airport and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Frontier - these airlines can fly you to your destination from $138 and $168, respectively. Spirit Airlines is currently priced 65% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $87. However, be on the lookout for offers from Frontier and Delta, as they are both options that can get you from San Antonio to San Juan Luis Munoz Marin Intl Airport for a low price.

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

    The cheapest flight price from San Antonio to San Juan Luis Munoz Marin Intl Airport is $176. On average you can expect to pay $346. The most popular route, (San Antonio - San Juan Luis Munoz Marin Intl), can usually be booked for $246.

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

    Most of the time, San Antonio to San Juan Luis Munoz Marin Intl Airport flights that have layovers will stop in Orlando. Miami follows Orlando in terms of the most common layover location on San Antonio to San Juan Luis Munoz Marin Intl Airport flights.

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

    If you're on a layover in Orlando and looking for things to do, consider visiting Universal Orlando Resort, Walt Disney World Resort, or International Drive. Travelers on a layover in Orlando can visit Universal Orlando Resort, Walt Disney World Resort, and International Drive, by traveling 10.2 mi, 16.2 mi, and 9.9 mi, respectively after landing at Orlando. Travelers in need of a car in Orlando can rent one for about $28 per day.

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

    If you're on a layover in Miami and looking for things to do, consider visiting Kaseya Center, Bayfront Park, or Bayside Marketplace. 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. Those on a layover in Miami in need of a rental car can book one at Miami for about $27.

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

    Of the flights from San Antonio to San Juan Luis Munoz Marin Intl Airport that have layovers, the fewest flights stop in Atlanta.

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

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

  • How can I find direct flights from San Antonio 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 San Antonio to Luis Munoz Marin Intl.

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

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

    Currently, April is the cheapest month in which you can book a flight from San Antonio to San Juan Luis Munoz Marin Intl Airport (average of $115). Flying from San Antonio to San Juan Luis Munoz Marin Intl Airport in August is currently the most expensive (average of $198). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from San Antonio to Luis Munoz Marin Intl

Discover the top 6 airlines that operate flights from San Antonio 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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$130Average$290FlexibilityNo cancel feeOn-time65%
DeltaCheapest$138Average$370FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$168Average$359FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$219Average$443FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$260Average$502FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$265Average$496FlexibilityNo cancel feeOn-time63%

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