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Luis Munoz Marin Intl

$61+ Cheap flights from Jacksonville (JAX) 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — SJU
Jun 21 — Jun 281
Sun 6/21
Sun 6/28
1 adult, Economy
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Find cheap flights from Jacksonville to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Jacksonville to San Juan Luis Munoz Marin Intl are usually found in August or May, booked 82 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from Jacksonville to Luis Munoz Marin Intl

Cheapest flights from Jacksonville to Luis Munoz Marin Intl
Explore the most affordable flight options available from Jacksonville to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 22, 2026.

This Frontier deal was found by Cheapflights users on 5/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:28 am
JAX
-
SJU
Nonstop3h 05m
Frontier
Sat 6/67:00 am
SJU
-
JAX
Nonstop3h 33m
Frontier
Deal found 5/18$140
This Frontier deal was found by Cheapflights users on 5/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/111:28 am
JAX
-
SJU
Nonstop3h 05m
Frontier
Tue 6/27:00 am
SJU
-
JAX
Nonstop3h 33m
Frontier
Deal found 5/18$142
This Frontier deal was found by Cheapflights users on 5/19. 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.
Wed 5/2711:28 am
JAX
-
SJU
Nonstop3h 05m
Frontier
Thu 6/47:00 am
SJU
-
JAX
Nonstop3h 33m
Frontier
Deal found 5/19$152
This Super.com deal was found by Cheapflights users on 5/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1211:20 am
JAX
-
SJU
Nonstop3h 09m
Frontier
Tue 6/167:00 am
SJU
-
JAX
Nonstop3h 25m
Frontier
Deal found 5/17$162
This Frontier deal was found by Cheapflights users on 5/18. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/1311:20 am
JAX
-
SJU
Nonstop3h 09m
Frontier
Tue 6/167:00 am
SJU
-
JAX
Nonstop3h 25m
Frontier
Deal found 5/18$163
This Frontier deal was found by Cheapflights users on 5/19. 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.
Mon 6/111:28 am
JAX
-
SJU
Nonstop3h 05m
Frontier
Thu 6/187:00 am
SJU
-
JAX
Nonstop3h 25m
Frontier
Deal found 5/19$164
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Fri 6/511:28 am
JAX
-
SJU
Nonstop3h 05m
Frontier
Mon 6/87:00 am
SJU
-
JAX
Nonstop3h 33m
Frontier
Deal found 5/17$168
This Super.com deal was found by Cheapflights users on 5/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/711:20 am
JAX
-
SJU
Nonstop3h 14m
Frontier
Sun 8/27:00 am
SJU
-
JAX
Nonstop3h 19m
Frontier
Deal found 5/18$172
This Super.com deal was found by Cheapflights users on 5/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:20 am
JAX
-
SJU
Nonstop3h 14m
Frontier
Tue 8/47:00 am
SJU
-
JAX
Nonstop3h 19m
Frontier
Deal found 5/18$176
This Kiwi.com deal was found by Cheapflights users on 5/18. 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.
Sat 8/811:20 am
JAX
-
SJU
Nonstop3h 14m
Frontier
Wed 8/127:00 am
SJU
-
JAX
Nonstop3h 19m
Frontier
Deal found 5/18$177

Find flight deals from Jacksonville to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Jacksonville (JAX) 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 May 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$140
(Frontier)

One-way from

$61
(Frontier)

Popular in

December

Cheapest in

August

Average price

$255

Good round-trip deal

$189 or less

Good one-way deal

$106 or less
Provider with most accurate pricing for Jacksonville-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Jacksonville-San Juan Luis Munoz Marin Intl flights.
Search Deals
From Jacksonville to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from Jacksonville to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Jacksonville to San Juan Luis Munoz Marin Intl.
Search Deals
Price to beat on a one-way flight from Jacksonville to San Juan Luis Munoz Marin Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Jacksonville 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 May 22, 2026.
Use the filters below to find and compare flights from Jacksonville to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

JacksonvilleSan Juan

JAX - SJU

JAXSJU

Jacksonville

Thu 8/20

4:10 pm-10:29 pm

1 stop6h 19m

San Juan Luis Munoz Marin Intl

Tue 8/25

6:48 am-3:01 pm

1 stop8h 13m

$304

JacksonvilleSan Juan

JAX - SJU

JAXSJU

Jacksonville

Thu 8/13

1:00 pm-11:50 pm

2 stops10h 50m

San Juan Luis Munoz Marin Intl

Mon 8/17

5:00 am-3:15 pm

2 stops10h 15m

$352

JacksonvilleSan Juan

JAX - SJU

JAXSJU

Jacksonville

Sun 5/31

6:30 am-1:45 pm

1 stop7h 15m

San Juan Luis Munoz Marin Intl

Fri 6/5

2:05 am-10:56 am

1 stop8h 51m

$354

JacksonvilleSan Juan

JAX - SJU

JAXSJU

Jacksonville

Fri 7/31

11:00 am-12:15 am

1 stop13h 15m

San Juan Luis Munoz Marin Intl

Mon 8/3

5:00 am-1:35 pm

2 stops8h 35m

$441

JacksonvilleSan Juan

JAX - SJU

JAXSJU

Jacksonville

Sat 7/11

1:05 pm-8:45 pm

1 stop7h 40m

San Juan Luis Munoz Marin Intl

Mon 7/13

2:42 pm-11:02 pm

1 stop8h 20m

$503

JacksonvilleSan Juan

JAX - SJU

JAXSJU

Jacksonville

Mon 7/13

2:15 pm-12:05 am

2 stops9h 50m

San Juan Luis Munoz Marin Intl

Thu 7/16

5:00 am-1:35 pm

2 stops8h 35m

$508

JacksonvilleSan Juan

JAX - SJU

JAXSJU

Jacksonville

Wed 7/15

1:55 pm-11:45 pm

2 stops9h 50m

San Juan Luis Munoz Marin Intl

Mon 7/20

5:00 am-1:35 pm

2 stops8h 35m

$530

JacksonvilleSan Juan

JAX - SJU

JAXSJU

Jacksonville

Tue 6/30

1:55 pm-11:45 pm

2 stops9h 50m

San Juan Luis Munoz Marin Intl

Fri 7/3

5:00 am-1:35 pm

2 stops8h 35m

$545

JacksonvilleSan Juan

JAX - SJU

JAXSJU

Jacksonville

Tue 6/9

1:55 pm-11:45 pm

2 stops9h 50m

San Juan Luis Munoz Marin Intl

Tue 6/16

6:00 am-4:55 pm

2 stops10h 55m

$548

JacksonvilleSan Juan

JAX - SJU

JAXSJU

Jacksonville

Mon 6/1

3:25 pm-11:55 pm

2 stops8h 30m

San Juan Luis Munoz Marin Intl

Tue 6/9

5:30 am-2:15 pm

2 stops8h 45m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/17

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Jacksonville 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 Jacksonville to Luis Munoz Marin Intl in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Super.comPrice Accuracy-Trust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
MytripPrice 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 Jacksonville-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 Jacksonville-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 Jacksonville-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 Jacksonville-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 Jacksonville-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 Jacksonville to Luis Munoz Marin Intl

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

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

The price you pay for your flight from Jacksonville to San Juan Luis Munoz Marin Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 81 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Jacksonville to San Juan Luis Munoz Marin Intl Airport (average of $248). Flying from Jacksonville to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $388). 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 JAX to SJU?

Find hourly flight availability from Jacksonville to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 22, 2026.

One of the essential ways to save on airfare from Jacksonville to San Juan Luis Munoz Marin Intl Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 22% on airfare.

What is the cheapest day to fly from Jacksonville to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Jacksonville to Luis Munoz Marin Intl. Price data was last updated on May 16, 2026.

Travelers seeking maximum savings on their Jacksonville to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Thursday at noon 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.

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

The best insider tips for Jacksonville to San Juan Luis Munoz Marin 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 Jacksonville to San Juan Luis Munoz Marin Intl Airport trip
Our travel experts
Matt Meltzer

Matt Meltzer

Expert on JAX

Matt Meltzer has been a travel writer for over a decade, covering U.S. domestic locations and hotels for Thrillist, Fifty Grande, Matador Network, Conde Nast Traveler, and other top publications. He's won multiple travel journalism awards from the Society of American Travel Writers and North American Travel Journalists Association, and currently resides in South Florida.

Read more
Brandon Schultz

Brandon Schultz

Expert on SJU

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

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 May 22, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andJetBlue from Jacksonville 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.
Delta
7.9
Good
8,449 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
Delta
7.9
Good
8,449 reviews
Delta
7.9
Good
8,449 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
United Airlines
7.4
Good
9,751 reviews
Delta
7.9
Good
8,449 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
JetBlue
7.2
Good
2,981 reviews
Delta
7.9
Good
8,449 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
American Airlines
7.1
Good
11,642 reviews
Delta
7.9
Good
8,449 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.
Frontier
5.7
Fair
2,945 reviews
Delta
7.9
Good
8,449 reviews

Entertainment

7.8

Food

7.2

Crew

8.5

Overall

7.9

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
6.0
Good

pilar,May 2025

RSW - ATL

The stewardess was not very nice because I requested two glasses of water. She didn’t even offer the snacks to me. She seemed angry and I felt very bad about her reaction. Also, the flight was full and you could not move. The airline should provide seats for obese people in consideration to the rest pf the passengers.

Related info for your journey

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

    Located just 11.2 mi from the city center, Jacksonville is the airport most travelers will use when flying to San Juan Luis Munoz Marin Intl from Jacksonville. Booking flights from Jacksonville (JAX) to San Juan Luis Munoz Marin Intl should be relatively easy as there are 2 daily outbound flights to San Juan Luis Munoz Marin Intl from 6 different airlines.

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

    Delta, Southwest, and United Airlines can get you from Jacksonville to San Juan Luis Munoz Marin Intl Airport in just under 6h 19m. Your travel time can differ by up to 4h 31m. The distance from Jacksonville to San Juan Luis Munoz Marin Intl Airport is about 1287 mi. This flight may include one or multiple stops.

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

    Delta, at $108, was found to be the cheapest airline from Jacksonville to San Juan Luis Munoz Marin Intl Airport.Alternate airlines to your destination round-trip include Frontier and JetBlue. Delta is 65% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as $57 on Frontier. Other airlines that offer cheap prices include JetBlue from $107 and American Airlines from $108 one-way.

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

    While on average a flight from Jacksonville to San Juan Luis Munoz Marin Intl Airport is generally $303, our data shows the cheapest flight currently is $55. When looking at the most popular route, (Jacksonville - San Juan Luis Munoz Marin Intl), you can expect to pay $206 for that flight.

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Jacksonville to San Juan Luis Munoz Marin Intl Airport (average of $248). Flying from Jacksonville to San Juan Luis Munoz Marin Intl Airport in December is currently the most expensive (average of $388). 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
Luquillo
Rio Grande
Dorado
Humacao
Bayamón

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Top 6 airlines flying from Jacksonville to Luis Munoz Marin Intl

Discover the top 6 airlines that operate flights from Jacksonville 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 May 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$108Average$313FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$129Average$262FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$183Average$330FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$208Average$459FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$233Average$377FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$273Average$420FlexibilityNo cancel feeOn-time63%

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