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$293+ Cheap flights from the United States to Seoul (SEL)

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 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SEL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from USA to Seoul

Keep the following information in mind while searching for USA to Seoul flight deals. Data was last updated September 15, 2025.

Round-trip from

$589
(Kiwi.com)

One-way from

$293
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$1,178

Good round-trip deal

$647 or less

Good one-way deal

$366 or less
From USA to Seoul (SEL)
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One-way flight from USA to Seoul (SEL)
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($28 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 USA to Seoul (SEL).
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Price to beat on a one-way flight from USA to Seoul (SEL).
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Find flight deals from USA to Seoul

Cheapest flights from USA to Seoul
Explore the most affordable flight options available from USA to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Tue 10/710:50 amLAX - ICN
Nonstop12h 55mMultiple Airlines
Mon 10/208:45 pmICN - LAX
2 stops30h 58mMultiple Airlines
Deal found 9/13$589
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Tue 10/710:50 amLAX - ICN
Nonstop12h 55mMultiple Airlines
Mon 10/136:20 pmICN - LAX
1 stop19h 06mMultiple Airlines
Deal found 9/12$597
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 11/179:50 amLAX - ICN
Nonstop13h 20mMultiple Airlines
Sat 12/69:20 pmICN - LAX
1 stop29h 45mMultiple Airlines
Deal found 9/12$600
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.
Tue 10/710:50 amLAX - ICN
Nonstop12h 55mMultiple Airlines
Wed 10/226:20 pmICN - LAX
1 stop35h 12mMultiple Airlines
Deal found 9/14$603
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.
Tue 10/710:50 amLAX - ICN
Nonstop12h 55mMultiple Airlines
Sun 10/269:15 pmICN - LAX
2 stops28h 50mMultiple Airlines
Deal found 9/14$608
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Tue 10/710:50 amLAX - ICN
Nonstop12h 55mMultiple Airlines
Sat 10/258:45 pmICN - LAX
2 stops29h 20mMultiple Airlines
Deal found 9/13$611
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Tue 10/710:50 amLAX - ICN
Nonstop12h 55mMultiple Airlines
Thu 10/309:20 pmICN - LAX
1 stop28h 45mMultiple Airlines
Deal found 9/12$616
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Tue 10/710:50 amLAX - ICN
Nonstop12h 55mMultiple Airlines
Sat 11/19:20 pmICN - LAX
1 stop29h 45mMultiple Airlines
Deal found 9/12$618
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 11/175:28 pmSFO - ICN
1 stop18h 52mMultiple Airlines
Sun 12/76:55 pmICN - SFO
Nonstop10h 05mMultiple Airlines
Deal found 9/12$648
This Trip.com deal was found by Cheapflights users on 9/12. 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.
Sat 11/811:45 amSFO - ICN
1 stop30h 55mAir China
Fri 11/211:10 pmICN - SFO
1 stop37h 05mAir China
Deal found 9/12$649
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Sun 11/1610:28 amSFO - ICN
1 stop36h 42mMultiple Airlines
Fri 12/56:55 pmICN - SFO
Nonstop10h 05mMultiple Airlines
Deal found 9/12$650
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 11/175:28 pmSFO - ICN
1 stop18h 52mMultiple Airlines
Thu 11/208:35 pmICN - SFO
1 stop18h 06mMultiple Airlines
Deal found 9/12$651

Cheapflights Fare Finder

 
Customize your flight search to find flights from USA to Seoul 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 15, 2025.
Use the filters below to find and compare flights from the United States to Seoul that are best for you.

Fly from

USA

Fly to

Seoul

Route

Depart

Return

Price

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 10/1

10:35 am-3:00 pm

Nonstop12h 25m

Incheon Intl

Thu 10/16

4:50 pm-11:35 am

Nonstop10h 45m

$662

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 11/12

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Wed 11/19

6:55 pm-12:00 pm

Nonstop10h 05m

$662

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 9/18

11:45 pm-4:20 am

Nonstop12h 35m

Incheon Intl

Thu 10/16

4:50 pm-11:35 am

Nonstop10h 45m

$662

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 11/10

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

Sat 12/6

12:45 pm-6:30 am

Nonstop10h 45m

$662

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 11/12

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Sat 11/22

6:00 pm-11:35 am

Nonstop10h 35m

$662

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 11/2

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Sun 11/9

12:45 pm-6:30 am

Nonstop10h 45m

$663

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 9/17

8:00 am-6:35 pm

1 stop18h 35m

Incheon Intl

Fri 9/19

8:35 pm-12:04 am

1 stop19h 29m

$676

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 11/8

7:57 pm-7:25 pm

1 stop30h 28m

Incheon Intl

Sat 12/6

8:35 pm-6:03 pm

1 stop14h 28m

$688

Los AngelesIncheon

LAX - ICN

LAXICN

Los Angeles

Wed 3/11

12:20 am-9:15 pm

1 stop28h 55m

Incheon Intl

Mon 3/16

10:05 am-9:55 pm

1 stop27h 50m

$806

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 10/23

12:15 pm-4:30 pm

Nonstop12h 15m

Incheon Intl

Tue 10/28

8:05 pm-2:20 pm

Nonstop10h 15m

$830

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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The best insider tips for theUnited States to Seoul 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 theUnited States to Seoul trip
Airlines
AIR PREMIA

Premium Economy offers 42-43 inches of legroom, wider seats, and priority boarding.


Economy class provides 35 inches of legroom, ensuring comfort on long flights.

Read more about AIR PREMIAby Esther Carlstone
Korean Air

Economy seats offer 33-34 inches of pitch, more spacious than many competitors.


Prestige Suites provide lie-flat seats with 75” pitch and 21” width on select aircraft.

Read more about Korean Airby Yulia Denisyuk
Air Canada

Signature Class offers lie-flat beds with massage function and priority services.


Preferred Seats provide extra space with up to four additional inches between seats.

Read more about Air Canadaby Jessica Macdonald
Delta

Delta One features 180-degree flat-bed seats with duvets and lumbar pillows on long-haul routes.


Free Wi-Fi for SkyMiles members on most long-haul routes enhances connectivity.

Read more about Deltaby Harriet Baskas
Asiana Airlines

Business suites on A380 offer 81” beds with duck-down bedding and 32” screens.


Economy seats on A350 have 36” pitch in Smartium, offering extra comfort.

Read more about Asiana Airlinesby Marisa Garcia
United Airlines

Polaris Class offers lie-flat seats with Saks Fifth Avenue bedding and large entertainment screens.


Premium Plus includes extra legroom, upgraded meals, and two checked bags on international flights.

Read more about United Airlinesby Harriet Baskas
Airports
ICN

The AREX express train is a convenient option between Incheon and Seoul Station, taking 40-50 minutes.

Read more about ICNby Gabriel Leigh
Our travel experts
Esther Carlstone

Esther Carlstone

Expert on AIR PREMIA

Esther Carlstone

Esther Carlstone

Esther Carlstone is a travel and food writer based in Los Angeles. Her work has appeared in publications such as Travel + Leisure, Lonely Planet, Forbes, Tripadvisor, Insider, and more.

Read more
Yulia Denisyuk

Yulia Denisyuk

Expert on Korean Air

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Jessica Macdonald

Jessica Macdonald

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Harriet Baskas

Harriet Baskas

Expert on Delta and 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
Marisa Garcia

Marisa Garcia

Expert on Asiana Airlines

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
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

Best time to book a flight from USA to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from USA 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 the United States to Seoul

What is the cheapest month to book a flight from USA to Seoul?

Currently, February is the cheapest month in which you can book a flight from USA to Seoul (average of $990). Flying from USA to Seoul in December is currently the most expensive (average of $1,633). 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 US to SEL?

Find hourly flight availability from USA to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from USA to Seoul as you normally would.

Weekly flight availability from USA to Seoul

Explore weekly flight availability from USA to Seoul. 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 September 15, 2025.

The most flights from US0 to SEL are scheduled on a Friday (20 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 on average).

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated September 15, 2025.
Read through reviews of airlines operating flights from the United States to Seoul, such as Korean Air, AIR PREMIA, and Asiana Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.4

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.4

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
AIR PREMIA
8.2
Very good
62 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.4

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very good
479 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.4

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very good
7,956 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.4

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air Canada
7.1
Good
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Comfort

8.3

Crew

8.7

Food

8.1

Overall

8.4

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

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

  • How popular is this USA to Seoul flight route?

    This flight path from United States to Seoul was viewed by 1,017 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from USA to Seoul?

    United Airlines, AIR PREMIA, and Cathay Pacific can get you from USA to Seoul in just under 12h 25m. Your travel time can differ by up to 16h 30m. The distance between USA and Seoul is about 5642 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from USA to Seoul one-way?

    $360 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on AIR PREMIA and Philippine Airlines, with prices starting from $366 and $398, respectively.

  • What are the most popular routes from USA to Seoul?

    The most popular route from USA to Seoul is Los Angeles - Incheon Intl. You may also consider New York John F Kennedy Intl - Incheon Intl or Seattle/Tacoma Intl - Incheon Intl.

  • What are the most reliable airlines from USA to Seoul?

    No one likes to see their flight delayed. When booking a flight from USA to Seoul consider choosing AIR PREMIA (97%), Thai Airways (93%) or Copa Airlines (93%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from USA to Seoul?

    Looking for the cheapest flight from USA to Seoul? While on average our users pay $4,493, our data indicates the cheapest price to be $334. The most popular route (Los Angeles - Incheon Intl), is priced around $597.

  • Can I find deals for flights from USA to Seoul that include hotel bookings?

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

  • How can I find direct flights from USA to Seoul?

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

  • Can I find deals for business class flights from USA to Seoul?

    Yes. Cheapflights offers flight deals from USA to Seoul 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 USA to Seoul?

    Currently, February is the cheapest month in which you can book a flight from USA to Seoul (average of $990). Flying from USA to Seoul in December is currently the most expensive (average of $1,633). 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

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Alternative routes for USA to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Incheon Intl flights
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Top 10 airlines flying from USA to Seoul

Discover the top 10 airlines that operate flights from USA to Seoul. 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 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$54Average$129FlexibilityNo cancel feeOn-time62%
DeltaCheapest$318Average$1,589FlexibilityNo cancel feeOn-timeN/A
XiamenAirCheapest$362Average$654FlexibilityNo cancel feeOn-time49%
Hawaiian AirlinesCheapest$422Average$787FlexibilityNo cancel feeOn-time85%
China AirlinesCheapest$503Average$1,099FlexibilityNo cancel feeOn-time70%
WestJetCheapest$549Average$1,215FlexibilityNo cancel feeOn-time60%
Air ChinaCheapest$599Average$701FlexibilityNo cancel feeOn-time67%
China EasternCheapest$643Average$738FlexibilityNo cancel feeOn-time62%
Singapore AirlinesCheapest$651Average$848FlexibilityNo cancel feeOn-time81%
Alaska AirlinesCheapest$675Average$1,075FlexibilityNo cancel feeOn-time75%

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