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$163+ Cheap flights from O'Hare Intl (ORD) to Seattle (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 6/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SEA
Jun 19 — Jun 261
Fri 6/19
Fri 6/26
1 adult, Economy
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Find cheap flights from O'Hare Intl to Seattle with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Seattle/Tacoma Intl are usually found in January or February, booked 88 days in advance, depart on a Friday or Wednesday and return on a Wednesday

Cheap flight deals from O'Hare Intl to Seattle

Cheapest flights from O'Hare Intl to Seattle
Explore the most affordable flight options available from O'Hare Intl to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2026.

This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/79:57 pm
ORD
-
SEA
1 stop13h 52m
Frontier
Mon 8/108:12 pm
SEA
-
ORD
1 stop7h 16m
Frontier
Deal found 5/17$304
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/237:15 am
ORD
-
SEA
1 stop29h 24m
Frontier
Mon 7/278:12 pm
SEA
-
ORD
1 stop7h 16m
Frontier
Deal found 5/17$308
This Orbitz deal was found by Cheapflights users on 5/16. 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.
Sun 7/267:15 am
ORD
-
SEA
1 stop29h 24m
Frontier
Mon 8/38:12 pm
SEA
-
ORD
1 stop7h 16m
Frontier
Deal found 5/16$309
This Frontier deal was found by Cheapflights users on 5/16. 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.
Thu 9/39:48 pm
ORD
-
SEA
1 stop14h 00m
Frontier
Tue 9/87:41 pm
SEA
-
ORD
1 stop12h 20m
Frontier
Deal found 5/16$310
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:00 am
ORD
-
SEA
Nonstop4h 38m
Multiple Airlines
Wed 8/58:12 pm
SEA
-
ORD
1 stop7h 16m
Multiple Airlines
Deal found 5/18$313
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/27:20 am
ORD
-
SEA
1 stop29h 15m
Frontier
Thu 7/911:04 am
SEA
-
ORD
1 stop17h 13m
Frontier
Deal found 5/18$315
This Super.com 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/77:15 am
ORD
-
SEA
1 stop29h 24m
Frontier
Thu 7/168:12 pm
SEA
-
ORD
1 stop7h 16m
Frontier
Deal found 5/19$316
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/97:20 am
ORD
-
SEA
1 stop29h 15m
Multiple Airlines
Fri 6/1212:17 am
SEA
-
ORD
Nonstop4h 03m
Multiple Airlines
Deal found 5/17$318
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:42 pm
ORD
-
SEA
Nonstop4h 39m
Multiple Airlines
Tue 7/218:12 pm
SEA
-
ORD
1 stop7h 16m
Multiple Airlines
Deal found 5/18$319
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.
Sat 6/69:37 pm
ORD
-
SEA
1 stop18h 24m
Frontier
Tue 6/97:41 pm
SEA
-
ORD
2 stops27h 07m
Frontier
Deal found 5/17$320
This Booking.com deal was found by Cheapflights users on 5/16. 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.
Sat 10/317:00 am
ORD
-
SEA
1 stop30h 00m
Frontier
Tue 11/37:41 pm
SEA
-
ORD
1 stop12h 20m
Frontier
Deal found 5/16$321

Find flight deals from O'Hare Intl to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$304
(Frontier)

One-way from

$163
(Jettzy)

Popular in

June

Cheapest in

January

Average price

$354

Good round-trip deal

$371 or less

Good one-way deal

$193 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Seattle/Tacoma Intl flights.
Search Deals
From Chicago O'Hare Intl to Seattle/Tacoma Intl
Search Deals
One-way flight from Chicago O'Hare Intl to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 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 Chicago O'Hare Intl to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Chicago O'Hare Intl to Seattle/Tacoma Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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 20, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sun 10/4

7:00 am-9:37 am

Nonstop4h 37m

Seattle/Tacoma Intl

Sun 10/4

5:45 pm-11:47 pm

Nonstop4h 02m

$355

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Mon 6/1

7:00 am-9:40 am

Nonstop4h 40m

Seattle/Tacoma Intl

Mon 6/8

7:00 am-1:15 pm

Nonstop4h 15m

$355

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 6/6

5:52 pm-8:30 pm

Nonstop4h 38m

Seattle/Tacoma Intl

Sun 6/14

12:17 am-6:20 am

Nonstop4h 03m

$355

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 8/15

8:01 pm-10:45 pm

Nonstop4h 44m

Seattle/Tacoma Intl

Sun 8/23

5:26 pm-11:30 pm

Nonstop4h 04m

$355

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Fri 6/5

6:20 pm-8:50 pm

Nonstop4h 30m

Seattle/Tacoma Intl

Fri 6/12

7:20 am-1:30 pm

Nonstop4h 10m

$355

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Wed 7/15

7:00 am-9:40 am

Nonstop4h 40m

Seattle/Tacoma Intl

Sat 7/18

5:15 pm-11:22 pm

Nonstop4h 07m

$355

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sat 6/20

5:55 pm-8:35 pm

Nonstop4h 40m

Seattle/Tacoma Intl

Sun 6/28

7:20 am-1:30 pm

Nonstop4h 10m

$355

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Thu 7/2

5:55 pm-8:35 pm

Nonstop4h 40m

Seattle/Tacoma Intl

Wed 7/8

7:20 am-1:28 pm

Nonstop4h 08m

$355

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Sun 8/23

7:00 am-9:37 am

Nonstop4h 37m

Seattle/Tacoma Intl

Wed 9/2

11:10 am-5:22 pm

Nonstop4h 12m

$355
Quickest round-trip

ChicagoSeattle

ORD - SEA

ORDSEA

Chicago O'Hare Intl

Tue 6/30

6:55 am-9:31 am

Nonstop4h 36m

Seattle/Tacoma Intl

Wed 7/8

5:40 pm-11:38 pm

Nonstop3h 58m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/19

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Seattle in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice 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 Chicago O'Hare Intl Airport-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-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 Chicago O'Hare Intl Airport-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 O'Hare Intl to Seattle

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

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Seattle?

The price you pay for your flight from Chicago O'Hare Intl Airport to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 87 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 Chicago O'Hare Intl Airport to Seattle?

Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Seattle (average of $228). Flying from Chicago O'Hare Intl Airport to Seattle in June is currently the most expensive (average of $359). 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 SEA?

Find hourly flight availability from O'Hare Intl 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 20, 2026.

One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Seattle is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 9% on airfare.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Seattle?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Seattle. Price data was last updated on May 16, 2026.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Seattle flight should consider departing on Friday at noon when fares are most often at their lowest. Sunday afternoons 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 Chicago O'Hare Intl Airport to Seattle?

The best insider tips for Chicago O'Hare Intl Airport to Seattle 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 Chicago O'Hare Intl Airport to Seattle trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

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 SEA

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 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 20, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andHawaiian Airlines from Chicago O'Hare Intl Airport to Seattle by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,385 reviews

Food

7.0

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

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
12,385 reviews
Alaska Airlines
7.9
Good
12,385 reviews

Food

7.0

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

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
8,452 reviews
Alaska Airlines
7.9
Good
12,385 reviews

Food

7.0

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

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
2,836 reviews
Alaska Airlines
7.9
Good
12,385 reviews

Food

7.0

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

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
United Airlines
7.4
Good
9,738 reviews
Alaska Airlines
7.9
Good
12,385 reviews

Food

7.0

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

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
11,643 reviews
Alaska Airlines
7.9
Good
12,385 reviews

Food

7.0

Comfort

7.8

Entertainment

7.0

Crew

8.5

Overall

7.9

Boarding

8.1

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 O'Hare Intl to Seattle. 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 into for flights to Seattle from Chicago O'Hare Intl?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl is the airport most travelers will use when flying to Seattle from Chicago O'Hare Intl. Booking flights from Chicago O'Hare Intl to Seattle/Tacoma Intl (SEA) should be relatively easy as there are 22 daily inbound flights from Chicago O'Hare Intl from 6 different airlines.

  • How long is the flight from Chicago O'Hare Intl Airport to Seattle?

    A quick flight from Chicago O'Hare Intl Airport to Seattle can take about 4h 37m. Delta provides one of the quickest options available for as low as $355. The distance between Chicago O'Hare Intl Airport and Seattle is about 1715 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Seattle round-trip?

    Our cheapest airline available from Chicago O'Hare Intl Airport to Seattle is Hawaiian Airlines. Our recent data shows that you can find tickets from as low as $84 on this airline. Additional options worth looking into are Delta and Frontier, starting at $114 and $131 round-trip. Users have found that Hawaiian Airlines is 71% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Seattle one-way?

    The cheapest airlines for a one-way flight from Chicago O'Hare Intl Airport to Seattle are Delta ($83), Hawaiian Airlines ($84), and Frontier ($86).

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Seattle?

    Before booking your flight to Seattle from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (81%), Korean Air (73%), Turkish Airlines( 70%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Seattle?

    On average you can expect to pay $798 for a flight from Chicago O'Hare Intl Airport to Seattle. The cheapest flight overall is $154 while the most popular route, (Chicago O'Hare Intl - Seattle/Tacoma Intl) is currently priced at $284.

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

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

  • How can I find direct flights from O'Hare Intl to Seattle?

    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 Seattle.

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

    Yes. Cheapflights offers flight deals from O'Hare Intl 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 Chicago O'Hare Intl Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Seattle (average of $228). Flying from Chicago O'Hare Intl Airport to Seattle in June is currently the most expensive (average of $359). 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
Ocean Shores
Olympia
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline

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Top 6 airlines flying from O'Hare Intl to Seattle

Discover the top 6 airlines that operate flights from O'Hare Intl 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 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$84Average$250FlexibilityNo cancel feeOn-time85%
DeltaCheapest$114Average$297FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$131Average$258FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$169Average$306FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$176Average$350FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$177Average$345FlexibilityNo cancel feeOn-time69%

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