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Incheon Intl

$347+ Cheap flights from San Francisco (SFO) to Incheon Intl (ICN)

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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
1 adult, Economy
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Find cheap flights from San Francisco to Incheon Intl with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Francisco to Incheon Intl are usually found in February or January, booked 89 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from San Francisco to Incheon Intl

Cheapest flights from San Francisco to Incheon Intl
Explore the most affordable flight options available from San Francisco to Incheon Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 8, 2025.

This FlightHub deal was found by Cheapflights users on 12/8. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:00 pmSFO - ICN
2 stops29h 55mChina Eastern
Wed 1/214:10 pmICN - SFO
1 stop33h 50mChina Eastern
Deal found 12/8$701
This oojo deal was found by Cheapflights users on 12/8. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2911:50 pmSFO - ICN
Nonstop13h 05mAsiana Airlines
Wed 1/218:50 pmICN - SFO
Nonstop10h 10mAsiana Airlines
Deal found 12/8$785
This CrystalTravel deal was found by Cheapflights users on 12/7. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/82:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Sat 1/316:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 12/7$789
This CrystalTravel deal was found by Cheapflights users on 12/6. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/72:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Sun 12/146:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 12/6$796
This Agoda.com deal was found by Cheapflights users on 12/5. 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 Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/72:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Fri 1/166:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 12/5$805
This Kiwi.com deal was found by Cheapflights users on 12/5. 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 12/611:50 pmSFO - ICN
Nonstop13h 05mAsiana Airlines
Sat 12/138:50 pmICN - SFO
Nonstop10h 10mAsiana Airlines
Deal found 12/5$806
This Booking.com deal was found by Cheapflights users on 12/7. 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.
Mon 12/82:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Mon 12/156:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 12/7$814

Find flight deals from San Francisco to Incheon Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Incheon Intl (ICN). 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 December 8, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$643
(Booking.com)

One-way from

$347
(Mytrip)

Popular in

June

Cheapest in

February

Average price

$1,086

Good round-trip deal

$661 or less

Good one-way deal

$381 or less
Provider with most accurate pricing for San Francisco-Incheon Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Incheon Intl flights.
Search Deals
From San Francisco to Incheon Intl
Search Deals
One-way flight from San Francisco to Incheon Intl
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($163 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from San Francisco to Incheon Intl.
Search Deals
Price to beat on a one-way flight from San Francisco to Incheon Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Incheon Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
Use the filters below to find and compare flights from San Francisco to Incheon Intl Airport that are best for you.

Fly from

San Francisco

Fly to

Incheon Intl

Route

Depart

Return

Price

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 1/21

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Fri 1/23

6:55 pm-12:30 pm

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 1/20

11:50 pm-5:45 am

Nonstop12h 55m

Incheon Intl

Tue 1/27

8:50 pm-2:00 pm

Nonstop10h 10m

$805

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 1/14

11:50 pm-5:45 am

Nonstop12h 55m

Incheon Intl

Sat 2/28

8:50 pm-2:00 pm

Nonstop10h 10m

$813

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 1/6

11:50 pm-5:55 am

Nonstop13h 05m

Incheon Intl

Sat 2/14

8:50 pm-2:00 pm

Nonstop10h 10m

$813

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 1/9

11:50 pm-5:55 am

Nonstop13h 05m

Incheon Intl

Sat 2/14

8:50 pm-2:00 pm

Nonstop10h 10m

$813

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 1/1

11:50 pm-5:55 am

Nonstop13h 05m

Incheon Intl

Mon 3/16

8:50 pm-3:00 pm

Nonstop10h 10m

$813

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 1/7

11:50 pm-5:55 am

Nonstop13h 05m

Incheon Intl

Thu 2/19

8:50 pm-2:00 pm

Nonstop10h 10m

$813

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 1/8

11:50 pm-5:55 am

Nonstop13h 05m

Incheon Intl

Thu 2/19

8:50 pm-2:00 pm

Nonstop10h 10m

$813

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 1/7

11:50 pm-5:55 am

Nonstop13h 05m

Incheon Intl

Sat 3/21

8:50 pm-3:00 pm

Nonstop10h 10m

$813

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 1/9

11:50 pm-5:55 am

Nonstop13h 05m

Incheon Intl

Tue 2/17

8:50 pm-2:00 pm

Nonstop10h 10m

$813

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 22 results
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Compare providers for flights from San Francisco to Incheon Intl

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 San Francisco to Incheon Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
GurufarePrice Accuracy2 starsTrust 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 San Francisco-Incheon Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on San Francisco-Incheon Intl Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from San Francisco-Incheon Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Incheon Intl Airport flights, Cheapflights users trust CheapOair the most. CheapOair 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 San Francisco-Incheon Intl Airport 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 San Francisco to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl from San Francisco 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 San Francisco to Incheon Intl Airport

How far ahead should I book a flight from San Francisco to Incheon Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Incheon Intl. Price data was last updated on December 5, 2025.

Booking 1 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Incheon Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Francisco to Incheon Intl Airport?

Currently, April is the cheapest month in which you can book a flight from San Francisco to Incheon Intl Airport (average of $446). Flying from San Francisco to Incheon Intl Airport in June is currently the most expensive (average of $661). 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 SFO to ICN?

Find hourly flight availability from San Francisco to Incheon Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 8, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 11% on flights from San Francisco to Incheon Intl Airport by exploring options for tickets in the afternoon.

What is the cheapest day to fly from San Francisco to Incheon Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Incheon Intl. Price data was last updated on December 6, 2025.

Travelers seeking maximum savings on their San Francisco to Incheon Intl Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for San Francisco to Incheon Intl Airport 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 San Francisco to Incheon Intl Airport trip
Airlines
AIR PREMIA

Economy seats offer 35 inches of legroom, ideal for long-haul comfort without extra cost.


Premium Economy includes priority boarding and extra baggage, enhancing the travel experience.

Read more about AIR PREMIAby Esther Carlstone
Asiana Airlines

Business class offers fully flat beds and direct aisle access for ultimate comfort.


Economy Smartium seats provide 36 inches of legroom, ensuring extra comfort on long flights.

Read more about Asiana Airlinesby Marisa Garcia
Airports
SFO

Save time at SFO by using the AirTrain Red Line to quickly navigate between terminals and security checkpoints.

Read more about SFOby Harriet Baskas
ICN

Use the AREX express train for a quick 40-50 minute trip between ICN and Seoul Station.

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
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
Harriet Baskas

Harriet Baskas

Expert on SFO

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

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Incheon Intl. Reviews last updated December 8, 2025.
Read reviews from past customers who have flown Korean Air, AIR PREMIA, and Asiana Airlines from San Francisco to Incheon Intl Airport. 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.
Korean Air
8.4
Very good
1,183 reviews

Comfort

8.3

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

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
1,183 reviews
Korean Air
8.4
Very good
1,183 reviews

Comfort

8.3

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

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
8.3
Very good
72 reviews
Korean Air
8.4
Very good
1,183 reviews

Comfort

8.3

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

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
490 reviews
Korean Air
8.4
Very good
1,183 reviews

Comfort

8.3

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

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
7.9
Good
8,011 reviews
Korean Air
8.4
Very good
1,183 reviews

Comfort

8.3

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

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.
United Airlines
7.4
Good
9,089 reviews
Korean Air
8.4
Very good
1,183 reviews

Comfort

8.3

Overall

8.4

Crew

8.7

Boarding

8.5

Entertainment

8.2

Food

8.1

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 San Francisco to Incheon Intl. 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 from for flights from San Francisco to Incheon Intl?

    San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly out of when you book flights from San Francisco to Incheon Intl. 13 airlines have flights from San Francisco to Incheon Intl on a regular basis. Booking flights from San Francisco to Incheon Intl should not be difficult; the airport handles an average of 9 outbound flights to Incheon Intl per day.

  • How popular is this San Francisco to Incheon Intl Airport flight route?

    Flights from San Francisco to Incheon Intl have been viewed 398 times in the past calendar month.

  • How long is the flight from San Francisco to Incheon Intl Airport?

    AIR PREMIA and Asiana Airlines can get you from San Francisco to Incheon Intl Airport in just under 12h 55m. Your travel time will be generally consistent. Airlines will cover a distance of 5642 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from San Francisco to Incheon Intl Airport round-trip?

    Flying on AIR PREMIA is currently your cheapest option to Incheon Intl Airport, with prices starting at $583. Additional round-trip tickets that might be worth considering are offered by China Eastern and Japan Airlines, with the lowest prices starting at $622 and $630, respectively. AIR PREMIA is 30% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Francisco to Incheon Intl Airport one-way?

    One-way options have recently been found by users for as low as $197 on Hawaiian Airlines. Other airlines that offer cheap prices include AIR PREMIA from $344 and Asiana Airlines from $363 one-way.

  • What are the most reliable airlines from San Francisco to Incheon Intl Airport?

    Before booking your flight to Incheon Intl Airport from San Francisco, check out the most reliable airlines to get you to your destination on time: AIR PREMIA (74%), Korean Air (69%), Thai Airways( 67%).

  • What are the cheapest flights from San Francisco to Incheon Intl Airport?

    On average you can expect to pay $937 for a flight from San Francisco to Incheon Intl Airport. The cheapest flight overall is $344 while the most popular route, (San Francisco - Incheon Intl) is currently priced at $606.

  • Can I find deals for flights from San Francisco to Incheon Intl that include hotel bookings?

    Yes. In addition to deals on San Francisco to Incheon Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Incheon Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Incheon Intl.

  • Can I find deals for business class flights from San Francisco to Incheon Intl?

    Yes. Cheapflights offers flight deals from San Francisco to Incheon Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Francisco to Incheon Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from San Francisco to Incheon Intl Airport (average of $446). Flying from San Francisco to Incheon Intl Airport in June is currently the most expensive (average of $661). 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 Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Suwon
Seongnam

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Alternative routes for San Francisco to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from San Francisco to Incheon Intl

Discover the top 10 airlines that operate flights from San Francisco to Incheon Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
AIR PREMIACheapest$608Average$814FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$622Average$714FlexibilityNo cancel feeOn-time62%
Japan AirlinesCheapest$630Average$642FlexibilityNo cancel feeOn-time79%
Asiana AirlinesCheapest$648Average$799FlexibilityNo cancel feeOn-time76%
Singapore AirlinesCheapest$651Average$848FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$660Average$771FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$674Average$1,073FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$789Average$937FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$799Average$983FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$805Average$875FlexibilityNo cancel feeOn-time72%

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