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Luis Munoz Marin Intl

$107+ Cheap flights from O'Hare Intl (ORD) 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SJU
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Find cheap flights from O'Hare Intl to Luis Munoz Marin Intl with Cheapflights

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl are usually found in January or November, booked 49 days in advance, depart on a Monday or Tuesday and return on a Friday

Cheap flight deals from O'Hare Intl to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 September 16, 2025.

Round-trip from

$207
(Mytrip)

One-way from

$107
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$372

Good round-trip deal

$360 or less

Good one-way deal

$187 or less
From Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl
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One-way flight from Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 3% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl.
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Price to beat on a one-way flight from Chicago O'Hare Intl to San Juan Luis Munoz Marin Intl.
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Find flight deals from O'Hare Intl to Luis Munoz Marin Intl

Cheapest flights from O'Hare Intl to Luis Munoz Marin Intl
Explore the most affordable flight options available from O'Hare Intl to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Mytrip deal was found by Cheapflights users on 9/14. 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.
Sat 10/1111:55 amORD - SJU
2 stops26h 04mSpirit Airlines
Sat 10/189:48 amSJU - ORD
Nonstop5h 08mSpirit Airlines
Deal found 9/14$207
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 10/216:00 amORD - SJU
1 stop7h 12mSpirit Airlines
Sat 10/259:48 amSJU - ORD
Nonstop5h 08mSpirit Airlines
Deal found 9/14$208
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Mon 9/226:30 amORD - SJU
1 stop6h 41mSpirit Airlines
Thu 10/211:59 amSJU - ORD
1 stop6h 40mSpirit Airlines
Deal found 9/14$210
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Mon 9/226:30 amORD - SJU
1 stop6h 41mSpirit Airlines
Sat 9/276:44 amSJU - ORD
1 stop10h 28mSpirit Airlines
Deal found 9/14$211
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/811:13 amORD - SJU
2 stops13h 31mSpirit Airlines
Sat 10/119:48 amSJU - ORD
Nonstop5h 08mSpirit Airlines
Deal found 9/14$212
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 10/249:06 pmORD - SJU
Nonstop4h 45mSpirit Airlines
Tue 10/283:19 pmSJU - ORD
1 stop7h 14mSpirit Airlines
Deal found 9/15$213
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 11/12:03 pmORD - SJU
Nonstop4h 39mSpirit Airlines
Thu 11/62:38 pmSJU - ORD
Nonstop5h 22mSpirit Airlines
Deal found 9/14$215
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 12/610:15 amORD - SJU
1 stop8h 29mSpirit Airlines
Tue 12/162:10 amSJU - ORD
Nonstop5h 15mSpirit Airlines
Deal found 9/14$216
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 10/187:43 pmORD - SJU
1 stop14h 13mSpirit Airlines
Tue 10/213:19 pmSJU - ORD
1 stop7h 14mSpirit Airlines
Deal found 9/14$217
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/282:20 pmORD - SJU
Nonstop4h 40mUnited Airlines
Mon 11/38:10 amSJU - ORD
Nonstop5h 22mUnited Airlines
Deal found 9/15$218
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/183:00 pmORD - SJU
Nonstop4h 40mMultiple Airlines
Tue 10/216:22 amSJU - ORD
1 stop31h 23mMultiple Airlines
Deal found 9/14$219

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 September 16, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

O'Hare Intl

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 10/31

5:20 am-4:33 pm

1 stop10h 13m

San Juan Luis Munoz Marin Intl

Wed 11/5

7:00 am-5:22 pm

1 stop12h 22m

$227

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 10/30

2:20 pm-8:00 pm

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Sun 11/2

8:10 am-11:32 am

Nonstop5h 22m

$252

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 10/21

8:52 am-2:44 pm

Nonstop4h 52m

San Juan Luis Munoz Marin Intl

Mon 10/27

1:05 am-9:02 am

1 stop8h 57m

$285

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Sat 10/18

1:42 pm-11:57 pm

1 stop9h 15m

San Juan Luis Munoz Marin Intl

Fri 10/24

1:05 am-9:29 am

1 stop9h 24m

$289

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Fri 10/31

2:20 pm-8:00 pm

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Wed 11/5

8:10 am-11:32 am

Nonstop5h 22m

$308

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 10/30

2:20 pm-8:00 pm

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Wed 11/5

8:30 am-1:55 pm

1 stop7h 25m

$313

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Wed 10/29

2:20 pm-8:00 pm

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Wed 11/5

8:30 am-1:55 pm

1 stop7h 25m

$313

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 10/21

8:52 am-2:44 pm

Nonstop4h 52m

San Juan Luis Munoz Marin Intl

Fri 10/24

1:05 am-9:29 am

1 stop9h 24m

$313

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Tue 11/4

2:20 pm-9:00 pm

Nonstop4h 40m

$109

ChicagoSan Juan

ORD - SJU

ORDSJU

Chicago O'Hare Intl

Thu 10/30

2:20 pm-8:00 pm

Nonstop4h 40m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 16 results
1
2

The best insider tips for Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport trip
Airlines
Spirit Airlines

Spirit's Big Front Seats offer 11 inches more legroom, perfect for added comfort.


Spirit's Economy Plus Bundle includes both carry-on and check-in bags, saving costs.

Read more about Spirit Airlinesby Daniel Scheffler
United Airlines

United's Economy Plus offers extra legroom and priority boarding, ideal for medium-haul comfort.


United's Polaris Lounges offer premium amenities like showers and dining for eligible passengers.

Read more about United Airlinesby Harriet Baskas
Airports
ORD

For a quick departure, use the free shuttle train between terminals at ORD to avoid long walks.

Read more about ORDby Ramsey Qubein
SJU

Opt for rideshare at SJU for convenience; Uber is available outside arrivals and handles payments through the app.

Read more about SJUby Brandon Schultz
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on Spirit Airlines

Daniel Scheffler

Daniel Scheffler

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Brandon Schultz

Brandon Schultz

Expert on SJU

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

Best time to book a flight from O'Hare Intl to Luis Munoz Marin Intl

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

How far ahead should I book a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Luis Munoz Marin Intl. Price data was last updated on September 12, 2025.

To ensure you get the cheapest price possible for a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport, you should look to book at least 49 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 Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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 ORD to SJU?

Find hourly flight availability from O'Hare Intl 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 September 16, 2025.

It’s optimal to fly from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport in the evening. By choosing this option you can save up to 32% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Luis Munoz Marin Intl. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 16, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,957 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,019 reviews
Delta
8.0
Very good
7,957 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,174 reviews
Delta
8.0
Very good
7,957 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl 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.

  • How long is the flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    For as low as $252, Delta can have you in San Juan Luis Munoz Marin Intl Airport from Chicago O'Hare Intl Airport in 4h 40m. The distance from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport is about 2073 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 Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport round-trip?

    Currently priced at $106, Frontier will fly you from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and Delta - these airlines can fly you to your destination from $139 and $196, respectively. Users have found that Frontier is 72% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin 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 Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport on time: American Airlines (77%), Alaska Airlines (77%), Spirit Airlines (76%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    On average you can expect to pay $463 for a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport. The cheapest flight overall is $127 while the most popular route, (Chicago O'Hare Intl - San Juan Luis Munoz Marin Intl) is currently priced at $170.

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

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

  • How can I find direct flights from O'Hare Intl 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 O'Hare Intl to Luis Munoz Marin Intl.

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

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Chicago O'Hare Intl Airport to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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
Dorado
Fajardo
Rio Grande
Luquillo
Humacao

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Alternative routes for O'Hare Intl to Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
Midway to Luis Munoz Marin Intl flights

Top 7 airlines flying from O'Hare Intl to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from O'Hare Intl 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$106Average$277FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$139Average$306FlexibilityNo cancel feeOn-time65%
DeltaCheapest$196Average$400FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$271Average$418FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$277Average$538FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$350Average$519FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$389Average$481FlexibilityNo cancel feeOn-time63%

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