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Cheap flights from San Francisco to Incheon Intl Airport from C$ 500

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
17 Jun — 24 Jun1
1 adult

Cheapflights Tip: The best prices from San Francisco to Incheon Intl are usually found in February or March, booked 5 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap 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 12 June 2025.

Round-trip from

C$ 901

One-way from

C$ 500

Popular in

December

Cheapest in

February

Average price

C$ 1,745

Good round-trip deal

C$ 910 or less

Good one-way deal

C$ 492 or less
United Airlines
  • United Airlines
  • 24/7-4/9
  • Nonstop
  • 23h 00m total
  • San Francisco to Incheon
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AIR PREMIA
  • AIR PREMIA
  • 20/10
  • Nonstop
  • 13h 00m total
  • San Francisco to Incheon
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 115 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 70 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from San Francisco to Incheon Intl.
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Price to beat on a one-way flight from San Francisco to Incheon Intl.
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Find 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 12 June 2025.

Thu 24/710:40 a.m.SFO - ICN
Nonstop12h 20mUnited Airlines
Thu 4/911:30 a.m.ICN - SFO
Nonstop10h 40mUnited Airlines
Deal found 10/6C$ 901
Fri 12/96:00 a.m.SFO - ICN
1 stop20h 35mHawaiian Airlines
Sat 20/98:35 p.m.ICN - SFO
1 stop16h 45mHawaiian Airlines
Deal found 12/6C$ 917
Sun 2/117:25 a.m.SFO - ICN
1 stop19h 00mAlaska Airlines
Sat 15/118:35 p.m.ICN - SFO
1 stop16h 37mAlaska Airlines
Deal found 11/6C$ 926
Fri 13/63:30 p.m.SFO - ICN
Nonstop13h 00mAIR PREMIA
Wed 9/76:20 p.m.ICN - SFO
Nonstop10h 40mAIR PREMIA
Deal found 11/6C$ 1,006
Thu 28/87:10 a.m.SFO - ICN
1 stop16h 55mAir Canada
Mon 8/95:45 p.m.ICN - SFO
2 stops34h 38mAir Canada
Deal found 11/6C$ 1,076
Thu 14/811:30 p.m.SFO - ICN
Nonstop12h 30mAsiana Airlines
Fri 22/88:55 p.m.ICN - SFO
Nonstop11h 05mAsiana Airlines
Deal found 11/6C$ 1,101
Wed 13/81:05 a.m.SFO - ICN
1 stop26h 30mChina Airlines
Mon 25/812:35 p.m.ICN - SFO
1 stop23h 55mChina Airlines
Deal found 11/6C$ 1,138
Wed 27/81:05 a.m.SFO - ICN
1 stop21h 00mCathay Pacific
Mon 8/93:10 p.m.ICN - SFO
1 stop18h 40mCathay Pacific
Deal found 9/6C$ 1,168
Thu 16/1010:50 p.m.SFO - ICN
1 stop39h 50mVietnam Airlines
Wed 5/1110:35 a.m.ICN - SFO
1 stop23h 25mVietnam Airlines
Deal found 10/6C$ 1,173
Thu 14/83:45 p.m.SFO - ICN
1 stop20h 45mKorean Air
Mon 25/84:00 p.m.ICN - SFO
Nonstop11h 00mKorean Air
Deal found 10/6C$ 1,180
Thu 7/86:50 p.m.SFO - ICN
1 stop17h 40mDelta
Fri 22/84:00 p.m.ICN - SFO
Nonstop11h 00mDelta
Deal found 12/6C$ 1,184
Wed 27/81:05 a.m.SFO - ICN
1 stop19h 35mMultiple Airlines
Mon 8/96:20 p.m.ICN - SFO
Nonstop10h 40mMultiple Airlines
Deal found 9/6C$ 1,347

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 629,999 searches. Data last updated 12 June 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

Thu 24/7

10:40 a.m.-3:00 p.m.

Nonstop12h 20m

Incheon Intl

Thu 4/9

11:30 a.m.-6:10 a.m.

Nonstop10h 40m

C$ 901

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 12/9

6:00 a.m.-6:35 p.m.

1 stop20h 35m

Incheon Intl

Sat 20/9

8:35 p.m.-9:20 p.m.

1 stop16h 45m

C$ 917

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 2/11

7:25 a.m.-7:25 p.m.

1 stop19h 00m

Incheon Intl

Sat 15/11

8:35 p.m.-8:12 p.m.

1 stop16h 37m

C$ 926

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 28/8

7:10 a.m.-4:05 p.m.

1 stop16h 55m

Incheon Intl

Mon 8/9

5:45 p.m.-12:23 p.m.

2 stops34h 38m

C$ 1,076

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 14/8

11:30 p.m.-4:00 a.m.

Nonstop12h 30m

Incheon Intl

Fri 22/8

8:55 p.m.-4:00 p.m.

Nonstop11h 05m

C$ 1,101

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 13/8

1:05 a.m.-7:35 p.m.

1 stop26h 30m

Incheon Intl

Mon 25/8

12:35 p.m.-8:30 p.m.

1 stop23h 55m

C$ 1,138

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 27/8

1:05 a.m.-2:05 p.m.

1 stop21h 00m

Incheon Intl

Mon 8/9

3:10 p.m.-5:50 p.m.

1 stop18h 40m

C$ 1,168

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 16/10

10:50 p.m.-6:40 a.m.

1 stop39h 50m

Incheon Intl

Wed 5/11

10:35 a.m.-5:00 p.m.

1 stop23h 25m

C$ 1,173

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 14/8

3:45 p.m.-4:30 a.m.

1 stop20h 45m

Incheon Intl

Mon 25/8

4:00 p.m.-11:00 a.m.

Nonstop11h 00m

C$ 1,180

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 7/8

6:50 p.m.-4:30 a.m.

1 stop17h 40m

Incheon Intl

Fri 22/8

4:00 p.m.-11:00 a.m.

Nonstop11h 00m

C$ 1,184

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 34 results
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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 9 June 2025.

The best time to book flights from San Francisco to Incheon Intl Airport is 5 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from San Francisco to Incheon Intl Airport (average of C$ 1,017). Flying from San Francisco to Incheon Intl Airport in December is currently the most expensive (average of C$ 1,541). 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 12 June 2025.

When flying from San Francisco to Incheon Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 20% versus a flight in the morning.

Weekly flight availability from San Francisco to Incheon Intl Airport

Explore weekly flight availability from San Francisco to Incheon Intl. 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 12 June 2025.

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

Rainfall in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Incheon Intl Airport ranges from 20.0 - 260.0 mm per month. July is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Incheon Intl Airport when rainfall is around 20.0 mm.

Temperature in Incheon Intl by month

Plan your trip to Incheon Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Incheon Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 25.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -2.0 C).

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 12 June 2025.
Read reviews from past customers who have flown EVA Air, Korean Air and China Airlines from San Francisco to Seoul. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,202 reviews
Check prices

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews
Check prices

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews
Check prices

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews
Check prices

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
Asiana Airlines
8.2
Very good
440 reviews
EVA Air
8.4
Very good
1,202 reviews
Check prices

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.
AIR PREMIA
8.2
Very good
EVA Air
8.4
Very good
1,202 reviews
Check prices

Boarding

8.4

Comfort

8.3

Entertainment

8.0

Overall

8.4

Food

8.1

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

TPE - SEA

The flight and crew were exceptional as always when I fly with EVA.

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) is the airport you will fly out of if you book a flight from San Francisco to Incheon Intl. You should not have trouble finding flights to Incheon Intl from San Francisco; the airport handles an average of 10 outbound flights to Incheon Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the San Francisco airport to Incheon Intl. It is only a 19.0 km journey to San Francisco (SFO) from San Francisco’s city centre.

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

    Within the past month, 26 users have taken a look at flights from San Francisco to Incheon Intl.

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

    Our cheapest airline available from San Francisco to Incheon Intl Airport is United Airlines. Our recent data shows that you can find tickets from as low as C$ 901 on this airline. Additional options worth looking into are Hawaiian Airlines and Air Canada, starting at C$ 1,021 and C$ 1,076 round-trip. These flights start at 27% lower than the current average price 3 months from now.

  • 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 C$ 500 on AIR PREMIA. Other airlines that offer cheap prices include Vietnam Airlines from C$ 626 and WestJet from C$ 628 one-way.

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

    No one likes to see their flight delayed. When booking a flight from San Francisco to Incheon Intl Airport consider choosing Thai Airways (93%), Singapore Airlines (93%) or AIR PREMIA (89%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from San Francisco to Incheon Intl Airport? While on average our users pay C$ 721, our data indicates the cheapest price to be C$ 492. The most popular route (San Francisco - Incheon Intl), is priced around C$ 1,165.

  • 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, May is the cheapest month in which you can book a flight from San Francisco to Incheon Intl Airport (average of C$ 1,017). Flying from San Francisco to Incheon Intl Airport in December is currently the most expensive (average of C$ 1,541). 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 San Francisco to Incheon Intl

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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How does Cheapflights help users find flights from San Francisco to Incheon Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco to Incheon Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Incheon Intl?

Cheapflights helps you find that perfect flight to Incheon Intl from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Francisco to Incheon Intl with no change fees?

Yes, we can. To see specific flights from San Francisco to Incheon Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from San Francisco to Incheon Intl become cheaper?

Not ready to book yet? You can track prices for flights from San Francisco to Incheon Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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