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$315+ Cheap flights from Incheon Intl (ICN) to San Francisco (SFO)

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SFO
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
1 adult, Economy
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Cheapflights Tip: The best prices from Incheon Intl to San Francisco are usually found in March or February, booked 68 days in advance, depart on a Monday or Friday and return on a Monday

Cheap flight deals from Incheon Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to San Francisco (SFO). 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 abril 17, 2025.

Most accurate provider

Gurufare
3 stars

Most trusted provider

Gurufare
3 stars

Round-trip from

$459
(WhyPayMore)

One-way from

$317
(Mytrip)

Popular in

July

Cheapest in

March

Average price

$702

Good round-trip deal

$515 or less

Good one-way deal

$422 or less
Provider with most accurate pricing for Incheon Intl-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Incheon Intl-San Francisco flights.
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From Incheon Intl to San Francisco
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One-way flight from Incheon Intl to San Francisco
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Highest demand for flights based on searches. 24% potential increase in price ($264 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Incheon Intl to San Francisco.
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Price to beat on a one-way flight from Incheon Intl to San Francisco.
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Find flight deals from Incheon Intl to San Francisco

Cheapest flights from Incheon Intl to San Francisco
Explore the most affordable flight options available from Incheon Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 17, 2025.

This WhyPayMore deal was found by Cheapflights users on 4/16. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/234:00 pmICN - SFO
Nonstop10h 40mKorean Air
sáb. 5/3112:40 pmSFO - ICN
Nonstop12h 40mKorean Air
Deal found 4/16$459
This Air Canada deal was found by Cheapflights users on 4/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/2310:40 amICN - SFO
2 stops20h 48mMultiple Airlines
mar. 12/307:00 amSFO - ICN
1 stop17h 05mMultiple Airlines
Deal found 4/17$505
This Mytrip deal was found by Cheapflights users on 4/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/135:45 pmICN - SFO
1 stop32h 43mAir Canada
lun. 10/277:00 amSFO - ICN
1 stop17h 05mAir Canada
Deal found 4/16$507
This Trip.com deal was found by Cheapflights users on 4/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/116:20 pmICN - SFO
Nonstop10h 40mAIR PREMIA
lun. 5/123:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Deal found 4/16$523
This United Airlines deal was found by Cheapflights users on 4/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/1911:30 amICN - SFO
Nonstop10h 40mUnited Airlines
dom. 9/2811:45 pmSFO - ICN
Nonstop12h 35mUnited Airlines
Deal found 4/16$531
This Gotogate deal was found by Cheapflights users on 4/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/138:55 pmICN - SFO
Nonstop10h 35mAsiana Airlines
vie. 9/1911:30 pmSFO - ICN
Nonstop13h 00mAsiana Airlines
Deal found 4/17$593
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/267:20 pmICN - SFO
1 stop19h 10mDelta
sáb. 12/277:25 pmSFO - ICN
1 stop27h 30mDelta
Deal found 4/16$629

Cheapflights Fare Finder

Customize your flight search to find flights from Incheon Intl to San Francisco 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 abril 17, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to San Francisco that are best for you.

Fly from

Incheon Intl

Fly to

San Francisco

Route

Depart

Return

Price

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

vie. 5/23

4:00 pm-10:40 am

Nonstop10h 40m

San Francisco

sáb. 5/31

12:40 pm-5:20 pm

Nonstop12h 40m

$459

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

mar. 9/23

10:40 am-3:28 pm

2 stops20h 48m

San Francisco

mar. 12/30

7:00 am-5:05 pm

1 stop17h 05m

$505

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

lun. 10/13

5:45 pm-10:28 am

1 stop32h 43m

San Francisco

lun. 10/27

7:00 am-4:05 pm

1 stop17h 05m

$507

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

dom. 5/11

6:20 pm-1:00 pm

Nonstop10h 40m

San Francisco

lun. 5/12

3:30 pm-8:30 pm

Nonstop13h 00m

$523

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

vie. 9/19

4:50 pm-11:35 am

Nonstop10h 45m

San Francisco

vie. 9/26

10:35 am-3:00 pm

Nonstop12h 25m

$531

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

sáb. 9/13

8:55 pm-3:30 pm

Nonstop10h 35m

San Francisco

vie. 9/19

11:30 pm-4:30 am

Nonstop13h 00m

$593

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

lun. 9/22

4:00 pm-10:40 am

Nonstop10h 40m

San Francisco

dom. 12/28

11:40 am-5:40 pm

Nonstop13h 00m

$626

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

sáb. 5/31

4:45 pm-8:40 pm

1 stop19h 55m

San Francisco

mar. 7/15

12:35 am-9:50 pm

1 stop29h 15m

$680

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

jue. 9/11

5:45 pm-12:38 pm

2 stops34h 53m

$315

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

sáb. 5/24

6:20 pm-1:00 pm

Nonstop10h 40m

$322

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

Showing 1-10 of 16 results
1
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Compare providers for flights from Incheon Intl to San Francisco

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 Incheon Intl to San Francisco in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*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 Incheon Intl Airport-San Francisco flights, users find the pricing of Gurufare to be most consistent on Cheapflights vs. Gurufare Users can find the same prices on Incheon Intl Airport-San Francisco flight deals on Cheapflights vs. Gurufare >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Incheon Intl Airport-San Francisco flights, Cheapflights users trust Gurufare the most. Gurufare 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 Incheon Intl Airport-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Asiana's A380 offers fully flat beds in Business Class, ensuring restful long-haul travel.


Economy Smartium seats provide 36-inch legroom, enhancing comfort on long flights.

Read more about Asiana Airlinesby Marisa Garcia
AIR PREMIA

Air Premia offers 35-inch legroom in Economy, ensuring comfort on long-haul flights.


Premium Economy includes priority boarding and 42-43 inches of legroom, enhancing comfort and convenience.

Read more about AIR PREMIAby Esther Carlstone
United Airlines

United's Polaris Business Class offers lie-flat seats and access to exclusive Polaris Lounges.


Premium Plus provides extra legroom and upgraded meals, ideal for international flights.

Read more about United Airlinesby Harriet Baskas
Airports
ICN

Plan for extra time at security as lines can take up to 20 minutes, especially during busy periods.

Read more about ICNby Gabriel Leigh
SFO

Use BART for a cost-effective 40-minute trip from SFO to downtown San Francisco.

Read more about SFOby Harriet Baskas
Our travel experts
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
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
Harriet Baskas

Harriet Baskas

Expert on United Airlines and 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
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 Incheon Intl to San Francisco

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

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

Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to San Francisco. Price data was last updated on April 11, 2025.

The price you pay for your flight from Incheon Intl Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 68 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 Incheon Intl Airport to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Incheon Intl Airport to San Francisco (average of $276). Flying from Incheon Intl Airport to San Francisco in June is currently the most expensive (average of $393). 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 ICN to SFO?

Find hourly flight availability from Incheon Intl to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 17, 2025.

It’s optimal to fly from Incheon Intl Airport to San Francisco at noon. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Incheon Intl to San Francisco. Price data was last updated on March 30, 2025.

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

Weekly flight availability from Incheon Intl Airport to San Francisco

Explore weekly flight availability from Incheon Intl to San Francisco. 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 abril 17, 2025.

The most flights from ICN to SFO are scheduled on a Wednesday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in San Francisco by month

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

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

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

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated abril 17, 2025.
Read through reviews of airlines operating flights from Seoul to San Francisco, such as EVA Air, Korean Air and AIR PREMIA. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,177 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
EVA Air
8.4
Very good
1,177 reviews
EVA Air
8.4
Very good
1,177 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Korean Air
8.4
Very good
1,064 reviews
EVA Air
8.4
Very good
1,177 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
AIR PREMIA
8.2
Very good
56 reviews
EVA Air
8.4
Very good
1,177 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Asiana Airlines
8.2
Very good
438 reviews
EVA Air
8.4
Very good
1,177 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.
Delta
8.0
Very good
7,916 reviews
EVA Air
8.4
Very good
1,177 reviews

Overall

8.4

Food

8.1

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl to San Francisco. 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 San Francisco from Incheon Intl?

    For a flight from Incheon Intl to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city. San Francisco is the only San Francisco airport and it handles 10 inbound flights from Incheon Intl per day. 8 airlines have flights to San Francisco from Incheon Intl on a regular basis.

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

    Flights from Incheon Intl to San Francisco have been viewed 40 times in the past calendar month.

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

    Flying on Korean Air is currently your cheapest option to San Francisco, with prices starting at $459. Additional round-trip tickets that might be worth considering are offered by AIR PREMIA and Air Canada, with the lowest prices starting at $523 and $536, respectively. These flights start at 43% lower than the current average price 3 months from now.

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

    For one-way options, check prices for AIR PREMIA. According to our data, you can fly for as low as $317. Users have also found prices from $342 and $365 on ZIPAIR and China Southern, respectively.

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

    Consider Asiana Airlines (70%), United Airlines (70%) or Thai Airways (65%) when booking your flight. These represent the most reliable airlines when flying from Incheon Intl Airport to San Francisco.

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

    While on average a flight from Incheon Intl Airport to San Francisco is generally $1,499, our data shows the cheapest flight currently is $329. When looking at the most popular route, (Incheon Intl - San Francisco), you can expect to pay $459 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Incheon Intl to San Francisco 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 Incheon Intl Airport to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Incheon Intl Airport to San Francisco (average of $276). Flying from Incheon Intl Airport to San Francisco in June is currently the most expensive (average of $393). 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
Roseville
Mountain View
Santa Cruz
Turlock
South San Francisco
Fairfield
Manteca
Sausalito
Richmond
Watsonville
Hollister
Milpitas
Antioch
Vallejo
Newark
Hayward
Alameda
Sunnyvale
Livermore
Campbell

Browse thousands of different options on Cheapflights for your next trip

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Top 8 airlines flying from Incheon Intl to San Francisco

Discover the top 8 airlines that operate flights from Incheon Intl to San Francisco. 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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$463Average$524FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$493Average$659FlexibilityNo cancel feeOn-time71%
AIR PREMIACheapest$503Average$816FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$514Average$791FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$515Average$684FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$541Average$971FlexibilityNo cancel feeOn-time85%
Korean AirCheapest$681Average$820FlexibilityNo cancel feeOn-time81%
DeltaCheapest$743Average$862FlexibilityNo cancel feeOn-timeN/A

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