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$98+ Cheap flights from Raleigh to Denver (RDU - DEN)

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — DEN
abr. 1 — abr. 81
mar. 4/1
mar. 4/8
1 adult, Economy
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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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Cheapflights Tip: The best prices from Raleigh-Durham to Denver Intl are usually found in May or September, booked 84 days in advance, depart on a Thursday or Saturday and return on a Wednesday

Cheap flight deals from Raleigh to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Denver (DEN). 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 marzo 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$176
(Cheapflightsfares)

One-way from

$98
(Cheapflightsfares)

Popular in

December

Cheapest in

May

Average price

$347

Good round-trip deal

$245 or less

Good one-way deal

$142 or less
Provider with most accurate pricing for Raleigh-Durham-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Raleigh-Durham-Denver Intl flights.
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From Raleigh-Durham to Denver Intl
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One-way flight from Raleigh-Durham to Denver Intl
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Highest demand for flights based on searches. 6% potential increase in price ($18 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Raleigh-Durham to Denver Intl.
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Price to beat on a one-way flight from Raleigh-Durham to Denver Intl.
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Find flight deals from Raleigh to Denver

Cheapest flights from Raleigh to Denver
Explore the most affordable flight options available from Raleigh to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 27, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 3/26. 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.
vie. 4/255:49 pmRDU - DEN
Nonstop4h 11mFrontier
sáb. 4/2611:25 amDEN - RDU
Nonstop3h 24mFrontier
Deal found 3/26$176
This United Airlines deal was found by Cheapflights users on 3/24. 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.
sáb. 5/104:15 pmRDU - DEN
Nonstop4h 05mUnited Airlines
mié. 5/145:55 pmDEN - RDU
Nonstop3h 21mUnited Airlines
Deal found 3/24$197
This American Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/612:50 pmRDU - DEN
1 stop7h 57mAmerican Airlines
sáb. 5/104:06 pmDEN - RDU
1 stop5h 52mAmerican Airlines
Deal found 3/26$217
This Mytrip deal was found by Cheapflights users on 3/25. 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.
mié. 4/165:24 pmRDU - DEN
Nonstop4h 11mMultiple Airlines
dom. 4/208:00 amDEN - RDU
1 stop8h 37mMultiple Airlines
Deal found 3/25$220
This Delta deal was found by Cheapflights users on 3/25. 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.
sáb. 4/269:59 amRDU - DEN
1 stop8h 10mDelta
mar. 4/297:20 amDEN - RDU
1 stop6h 50mDelta
Deal found 3/25$237
This JetBlue deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/96:00 amRDU - DEN
1 stop9h 43mJetBlue
mar. 5/1311:59 pmDEN - RDU
1 stop7h 00mJetBlue
Deal found 3/25$245
This Sun Country Air deal was found by Cheapflights users on 3/25. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/2112:27 pmRDU - DEN
1 stop8h 16mSun Country Air
dom. 11/239:14 amDEN - RDU
1 stop23h 48mSun Country Air
Deal found 3/25$255
This Southwest deal was found by Cheapflights users on 3/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/86:50 pmRDU - DEN
1 stop6h 15mSouthwest
mar. 5/1312:50 pmDEN - RDU
2 stops6h 40mSouthwest
Deal found 3/25$262
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/237:20 amRDU - DEN
2 stops15h 55mAlaska Airlines
mié. 4/302:39 pmDEN - RDU
1 stop13h 21mAlaska Airlines
Deal found 3/25$388

Cheapflights Fare Finder

Customize your flight search to find flights from Raleigh to Denver 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 marzo 27, 2025.
Use the filters below to find and compare flights from Raleigh to Denver that are best for you.

Fly from

Raleigh

Fly to

Denver

Route

Depart

Return

Price

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

vie. 4/25

5:49 pm-8:00 pm

Nonstop4h 11m

Denver Intl

sáb. 4/26

11:25 am-4:49 pm

Nonstop3h 24m

$176

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

sáb. 5/10

4:15 pm-6:20 pm

Nonstop4h 05m

Denver Intl

mié. 5/14

5:55 pm-11:16 pm

Nonstop3h 21m

$197

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

mar. 5/6

12:50 pm-6:47 pm

1 stop7h 57m

Denver Intl

sáb. 5/10

4:06 pm-11:58 pm

1 stop5h 52m

$217

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

mié. 4/16

5:24 pm-7:35 pm

Nonstop4h 11m

Denver Intl

dom. 4/20

8:00 am-6:37 pm

1 stop8h 37m

$220

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

sáb. 4/26

5:55 am-9:32 am

1 stop5h 37m

Denver Intl

lun. 4/28

12:55 am-10:10 am

1 stop7h 15m

$237

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

vie. 5/9

6:00 am-1:43 pm

1 stop9h 43m

Denver Intl

mar. 5/13

11:59 pm-8:59 am

1 stop7h 00m

$245

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

jue. 5/1

6:25 pm-10:27 am

1 stop18h 02m

Denver Intl

dom. 5/4

8:30 am-4:29 pm

1 stop5h 59m

$255

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

jue. 5/8

6:50 pm-11:05 pm

1 stop6h 15m

Denver Intl

mar. 5/13

12:50 pm-9:30 pm

2 stops6h 40m

$262

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

mié. 4/23

7:20 am-9:15 pm

2 stops15h 55m

Denver Intl

mié. 4/30

2:39 pm-6:00 am

1 stop13h 21m

$388

RaleighDenver

RDU - DEN

RDUDEN

Raleigh-Durham

vie. 5/2

5:28 pm-7:32 pm

Nonstop4h 04m

$98

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 17 results
1
2

Compare providers for flights from Raleigh to Denver

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 Raleigh to Denver in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
Trip.comPrice 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 Raleigh-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Raleigh-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Raleigh-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Raleigh-Denver 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 Raleigh-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Raleigh to Denver 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 Raleigh to Denver trip
Airlines
Frontier

Frontier's UpFront Plus offers a guaranteed empty middle seat for added comfort.


Early check-in can help secure your place onboard due to frequent overbooking.

Read more about Frontierby Marisa Garcia
United Airlines

United's Economy Plus offers extra legroom towards the front of the economy cabin.


United's MileagePlus allows pooling miles for family or friends' tickets.

Read more about United Airlinesby Harriet Baskas
Airports
RDU

RDU's free Wi-Fi is available throughout the terminals. Connect to the 'RDU Free WiFi' network for seamless browsing before your flight.

Read more about RDUby John Walton
DEN

Use the A Line train for a 37-minute ride from DEN to Union Station. It runs every 15 minutes, offering a convenient city connection.

Read more about DENby Emily Zemler
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

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
John Walton

John Walton

Expert on RDU

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Best time to book a flight from Raleigh to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Raleigh 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 Raleigh to Denver

How far ahead should I book a flight from Raleigh to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Denver. Price data was last updated on March 21, 2025.

To ensure you get the cheapest price possible for a flight from Raleigh to Denver, you should look to book at least 84 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 Raleigh to Denver?

Currently, October is the cheapest month in which you can book a flight from Raleigh to Denver (average of $197). Flying from Raleigh to Denver in March is currently the most expensive (average of $278). 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 RDU to DEN?

Find hourly flight availability from Raleigh to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 27, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 34% on flights from Raleigh to Denver by exploring options for tickets at noon.

What is the cheapest day to fly from Raleigh to Denver?

Use this chart to determine the cheapest time to fly round-trip from Raleigh to Denver. Price data was last updated on March 23, 2025.

Travelers seeking maximum savings on their Raleigh to Denver flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Denver by month

Plan your trip to Denver by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

Plan your trip to Denver by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Denver, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated marzo 27, 2025.
To help decide which airline to fly from Raleigh to Denver, see what other customers have to say about Southwest, Alaska Airlines and Delta. 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
8.1
Very good
4,273 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,792 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,895 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Breeze Airways
8.0
Very good
156 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Entertainment

7.6

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Raleigh to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Raleigh to Denver?

    If you book a flight from Raleigh to Denver, you will be flying from Raleigh-Durham to Denver Intl. Flights to Denver Intl (DEN) from Raleigh-Durham (RDU) take 3h 40m for a nonstop flight. There are 4 flights from Raleigh-Durham to Denver per day from 7 airlines.

  • How popular is this Raleigh to Denver flight route?

    The Raleigh-Durham to Denver Intl flight path was viewed by 153 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Raleigh to Denver round-trip?

    Our cheapest airline available from Raleigh to Denver is Frontier. Our recent data shows that you can find tickets from as low as $176 on this airline. Additional options worth looking into are Southwest and American Airlines, starting at $197 and $217 round-trip. Frontier is priced at 39% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Raleigh to Denver one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $98. Southwest flights start at $99 while deals on American Airlines start at $109 one-way.

  • What are the most reliable airlines from Raleigh to Denver?

    No one likes to see their flight delayed. When booking a flight from Raleigh to Denver consider choosing Frontier (96%), United Airlines (88%) or Southwest (69%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Raleigh to Denver?

    On average you can expect to pay $889 for a flight from Raleigh to Denver. The cheapest flight overall is $83 while the most popular route, (Raleigh-Durham - Denver Intl) is currently priced at $197.

  • Can I find deals for flights from Raleigh to Denver that include hotel bookings?

    Yes. In addition to deals on Raleigh to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Raleigh to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to Denver.

  • Can I find deals for business class flights from Raleigh to Denver?

    Yes. Cheapflights offers flight deals from Raleigh to Denver 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 Raleigh to Denver?

    Currently, October is the cheapest month in which you can book a flight from Raleigh to Denver (average of $197). Flying from Raleigh to Denver in March is currently the most expensive (average of $278). 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 Raleigh?

Book flights to Raleigh if you plan to visit one of these locations
Westminster
Lakewood
Black Hawk
Winter Park
Broomfield
Cripple Creek
Silverthorne
Golden
Brighton
Greeley
Frisco
Wheat Ridge
Grand Lake
Idaho Springs
Central City
Copper Mountain
Longmont
Thornton
Limon
Dillon

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Alternative routes for Raleigh to Denver

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Top 7 airlines flying from Raleigh to Denver

Discover the top 7 airlines that operate flights from Raleigh to Denver. 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 marzo 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$70Average$269FlexibilityNo cancel feeOn-time83%
FrontierCheapest$89Average$235FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$186Average$400FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$198Average$336FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$198Average$376FlexibilityNo cancel feeOn-time63%
DeltaCheapest$216Average$336FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$304Average$430FlexibilityNo cancel feeOn-time62%
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