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$206+ Cheap flights from Detroit to Seattle (DTT - SEA)

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
DTT — SEA
Jun 28 — Jul 51
Sun 6/28
Sun 7/5
1 adult, Economy
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Find cheap flights from Detroit to Seattle 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”

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Cheapflights Tip: The best prices from Detroit All airports to Seattle/Tacoma Intl are usually found in January or February, booked 41 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Detroit to Seattle

Cheapest flights from Detroit to Seattle
Explore the most affordable flight options available from Detroit to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 29, 2026.

This TeaFlight deal was found by Cheapflights users on 5/26. 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 TeaFlight is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/98:00 am
DTW
-
SEA
1 stop9h 18m
Frontier
Thu 6/187:41 pm
SEA
-
DTW
1 stop25h 18m
Frontier
Deal found 5/26$388
This CheapOair deal was found by Cheapflights users on 5/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/68:30 am
DTW
-
SEA
1 stop29h 09m
Frontier
Tue 7/148:13 pm
SEA
-
DTW
1 stop7h 47m
Frontier
Deal found 5/29$389
This Frontier deal was found by Cheapflights users on 5/28. 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 7/48:00 am
DTW
-
SEA
1 stop9h 18m
Frontier
Sat 7/188:13 pm
SEA
-
DTW
1 stop7h 47m
Frontier
Deal found 5/28$390
This Booking.com deal was found by Cheapflights users on 5/26. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:30 am
DTW
-
SEA
1 stop29h 09m
Frontier
Wed 8/127:06 pm
SEA
-
DTW
1 stop14h 28m
Frontier
Deal found 5/26$391
This Booking.com deal was found by Cheapflights users on 5/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:30 am
DTW
-
SEA
1 stop29h 09m
Frontier
Wed 8/512:35 pm
SEA
-
DTW
1 stop20h 59m
Frontier
Deal found 5/28$392
This Frontier deal was found by Cheapflights users on 5/28. 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 7/48:00 am
DTW
-
SEA
1 stop9h 18m
Frontier
Fri 7/1012:35 pm
SEA
-
DTW
1 stop8h 24m
Frontier
Deal found 5/28$393
This Southwest deal was found by Cheapflights users on 5/29. 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.
Sun 8/233:15 pm
DTW
-
SEA
2 stops9h 30m
Southwest
Wed 9/211:05 pm
SEA
-
DTW
2 stops10h 35m
Southwest
Deal found 5/29$394
This Frontier deal was found by Cheapflights users on 5/29. 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 6/278:00 am
DTW
-
SEA
1 stop9h 18m
Frontier
Tue 7/78:13 pm
SEA
-
DTW
1 stop7h 47m
Frontier
Deal found 5/29$395
This Alaska Airlines deal was found by Cheapflights users on 5/25. 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.
Sun 10/255:53 pm
DTW
-
SEA
Nonstop5h 01m
Alaska Airlines
Mon 11/29:22 am
SEA
-
DTW
Nonstop4h 25m
Alaska Airlines
Deal found 5/25$396
This Alaska Airlines deal was found by Cheapflights users on 5/28. 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.
Fri 9/117:01 am
DTW
-
SEA
Nonstop4h 53m
Alaska Airlines
Sun 9/1310:03 pm
SEA
-
DTW
Nonstop4h 23m
Alaska Airlines
Deal found 5/28$397
This Orbitz deal was found by Cheapflights users on 5/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/298:00 am
DTW
-
SEA
1 stop28h 48m
Frontier
Mon 7/67:06 pm
SEA
-
DTW
1 stop14h 28m
Frontier
Deal found 5/27$398
This Gotogate deal was found by Cheapflights users on 5/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/201:31 pm
DTW
-
SEA
1 stop23h 17m
Frontier
Tue 6/237:41 pm
SEA
-
DTW
1 stop25h 18m
Frontier
Deal found 5/27$399

Find flight deals from Detroit to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Detroit (DTT) to Seattle (SEA). 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 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$388
(TeaFlight)

One-way from

$206
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$404

Good round-trip deal

$437 or less

Good one-way deal

$261 or less
Provider with most accurate pricing for Detroit (DTT)-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Detroit (DTT)-Seattle/Tacoma Intl flights.
Search Deals
From Detroit (DTT) to Seattle/Tacoma Intl
Search Deals
One-way flight from Detroit (DTT) to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 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 Detroit (DTT) to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Detroit (DTT) to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Detroit to Seattle 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 29, 2026.
Use the filters below to find and compare flights from Detroit to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 8/22

6:00 am-7:49 am

Nonstop4h 49m

Seattle/Tacoma Intl

Sat 8/29

9:59 am-11:43 pm

1 stop10h 44m

$407

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 8/18

6:00 am-1:20 pm

2 stops10h 20m

Seattle/Tacoma Intl

Tue 8/25

11:05 pm-12:20 pm

2 stops10h 15m

$417

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 7/7

5:40 pm-11:59 pm

1 stop9h 19m

Seattle/Tacoma Intl

Fri 7/17

11:59 pm-8:47 am

1 stop5h 48m

$417

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Sat 8/8

5:40 pm-10:05 pm

1 stop7h 25m

Seattle/Tacoma Intl

Sun 8/16

7:15 am-8:35 pm

1 stop10h 20m

$417
Quickest round-trip

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 7/30

8:25 am-12:49 pm

1 stop7h 24m

Seattle/Tacoma Intl

Sat 8/8

5:10 am-12:20 pm

Nonstop4h 10m

$428

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 8/27

5:00 pm-12:20 am

2 stops10h 20m

Seattle/Tacoma Intl

Mon 8/31

11:05 pm-12:20 pm

2 stops10h 15m

$437

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Tue 7/21

1:25 pm-8:30 pm

2 stops10h 05m

Seattle/Tacoma Intl

Mon 8/3

11:05 pm-10:55 am

1 stop8h 50m

$437

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 8/13

6:25 pm-11:45 pm

1 stop8h 20m

Seattle/Tacoma Intl

Sun 8/23

7:15 am-8:35 pm

1 stop10h 20m

$438

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Mon 7/13

5:25 am-1:50 pm

2 stops11h 25m

Seattle/Tacoma Intl

Wed 7/15

9:30 am-8:25 pm

2 stops7h 55m

$442

DetroitSeattle

DTW - SEA

DTWSEA

Detroit Metropolitan Wayne County

Thu 8/13

5:00 pm-12:20 am

2 stops10h 20m

Seattle/Tacoma Intl

Mon 8/17

11:05 pm-12:20 pm

2 stops10h 15m

$447

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/28

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Detroit to Seattle

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 Detroit to Seattle in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice 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 Detroit-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Detroit-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Detroit-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Detroit-Seattle 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 Detroit-Seattle 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 Detroit to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Detroit 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 Detroit to Seattle

What is the cheapest month to book a flight from Detroit to Seattle?

Currently, April is the cheapest month in which you can book a flight from Detroit to Seattle (average of $111). Flying from Detroit to Seattle in June is currently the most expensive (average of $1,338). 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 DTT to SEA?

Find hourly flight availability from Detroit to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 29, 2026.

It’s optimal to fly from Detroit to Seattle in the evening. By choosing this option you can save up to 38% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Detroit to Seattle

Explore weekly flight availability from Detroit to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 29, 2026.

The most flights from DTT to SEA are scheduled on a Wednesday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost to fly round-trip from Detroit to Seattle?

What’s the top layover airport for flights from Detroit to Seattle?

Share of 1-stop round-trip flights from Detroit to Seattle chosen by Cheapflights users in the past 12 months, using the same layover each way.

Denver (DEN) – chosen by Cheapflights users on 67% of 1-stop itineraries from Detroit to Seattle on Cheapflights.

What’s the cheapest layover airport for flights from Detroit to Seattle?

Average round-trip fare for 1-stop flights from Detroit to Seattle, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Phoenix (PHX) is the most affordable 1-stop option, with an average round-trip price of $272.

What’s the fastest layover option from Detroit to Seattle?

Shortest average travel time for 1-stop one-way flights from Detroit to Seattle, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for 1-stop routes: 16h 18m.

Which airport typically offers the quickest layover for flights from Detroit to Seattle?

Average layover duration for 1-stop one-way flights from Detroit to Seattle, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Denver (DEN) offer the fastest connection on this route, with an average layover time of 9h 04m.

How far ahead should I book a flight from Detroit to Seattle?

The price you pay for your flight from Detroit to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest day to fly from Detroit to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Detroit to Seattle. Price data was last updated on May 23, 2026.

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

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated May 29, 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andHawaiian Airlines from Detroit to Seattle. 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.
Alaska Airlines
7.9
Good
12,431 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,431 reviews
Alaska Airlines
7.9
Good
12,431 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,419 reviews
Alaska Airlines
7.9
Good
12,431 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Hawaiian Airlines
7.8
Good
2,834 reviews
Alaska Airlines
7.9
Good
12,431 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
American Airlines
7.1
Good
11,644 reviews
Alaska Airlines
7.9
Good
12,431 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Frontier
5.6
Fair
2,929 reviews
Alaska Airlines
7.9
Good
12,431 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Food

7.1

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Related info for your journey

Find useful and relevant information for your journey from Detroit to Seattle. 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 Detroit to Seattle?

    If you wish to fly to Seattle from Detroit, then you need to book flights from Detroit All airports to Seattle/Tacoma Intl. There are 10 flights from All airports (DTT) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from All airports are available from 9 different airlines, which means you should have some options if you want to compare airfare deals. 4h 49m is how long a nonstop flight from Detroit to Seattle/Tacoma Intl typically takes.

  • How long is the flight from Detroit to Seattle?

    Departing from Detroit to Seattle will take you 4h 49m. There are 1920 mi between Detroit and Seattle. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Detroit to Seattle round-trip?

    Spirit Airlines, at $108, was found to be the cheapest airline from Detroit to Seattle.Alternate airlines to your destination round-trip include Sun Country Air and Frontier. These flights start at 70% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Detroit to Seattle one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $75. Users have also found prices from $92 and $103 on Southwest and Frontier, respectively.

  • What are the most reliable airlines from Detroit to Seattle?

    No one likes to see their flight delayed. When booking a flight from Detroit to Seattle consider choosing American Airlines (89%), Alaska Airlines (89%) or Japan Airlines (82%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Detroit to Seattle?

    Looking at all options, your cheapest flight can be booked for $211. While the most popular route (Detroit Metropolitan Wayne County - Seattle/Tacoma Intl) can be booked for $276 on average, our data indicates $1,073 when flying from Detroit to Seattle.

  • Can I find deals for flights from Detroit to Seattle that include hotel bookings?

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

  • How can I find direct flights from Detroit to Seattle?

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

  • Can I find deals for business class flights from Detroit to Seattle?

    Yes. Cheapflights offers flight deals from Detroit to Seattle 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 Detroit to Seattle?

    Currently, April is the cheapest month in which you can book a flight from Detroit to Seattle (average of $111). Flying from Detroit to Seattle in June is currently the most expensive (average of $1,338). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Lacey
Ocean Shores
Olympia
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Detroit to Seattle

Discover the top 9 airlines that operate flights from Detroit to Seattle. 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 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$108Average$240FlexibilityNo cancel feeOn-time65%
Sun Country AirCheapest$112Average$283FlexibilityNo cancel feeOn-time83%
FrontierCheapest$153Average$278FlexibilityNo cancel feeOn-time62%
Hawaiian AirlinesCheapest$168Average$358FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$196Average$487FlexibilityNo cancel feeOn-time71%
DeltaCheapest$207Average$444FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$207Average$387FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$222Average$421FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$256Average$377FlexibilityNo cancel feeOn-time69%

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