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Flights to Incheon Intl

$324 Cheap flights to Incheon Intl Airport

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Incheon Intl Airport departing on 8/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from the United States to Incheon Intl Airport

Cheap round-trip flights

Enter your travel dates to find the best prices.
AIR PREMIA Logo
5:00 pm - 9:40 pmSFO  San Francisco-ICN Incheon Intl
12h 40mnonstop
AIR PREMIA Logo
7:15 pm - 2:15 pmICN  Incheon Intl-SFO San Francisco
11h 00mnonstop
$681AIR PREMIA
Wed, Sep 23 - Fri, Oct 2
AIR PREMIA Logo
5:00 pm - 9:40 pmSFO  San Francisco-ICN Incheon Intl
12h 40mnonstop
AIR PREMIA Logo
6:00 pm - 1:00 pmICN  Incheon Intl-SFO San Francisco
11h 00mnonstop
$681AIR PREMIA
Wed, Sep 2 - Sat, Sep 12
United Airlines Logo
10:40 am - 3:00 pmSFO  San Francisco-ICN Incheon Intl
12h 20mnonstop
United Airlines Logo
11:30 am - 6:30 amICN  Incheon Intl-SFO San Francisco
11h 00mnonstop
$682United Airlines
Tue, Aug 25 - Tue, Sep 1
United Airlines Logo
11:55 pm - 4:20 amSFO  San Francisco-ICN Incheon Intl
12h 25mnonstop
United Airlines Logo
11:30 am - 6:10 amICN  Incheon Intl-SFO San Francisco
10h 40mnonstop
$682United Airlines
Mon, Sep 7 - Fri, Sep 11
Air China Logo
1:00 pm - 10:00 pmSFO  San Francisco-ICN Incheon Intl
17h 00m1 stop Beijing Capital
Air China Logo
10:50 am - 10:30 amICN  Incheon Intl-SFO San Francisco
15h 40m1 stop Beijing Capital
$682Air China
Wed, Aug 26 - Wed, Sep 9
Multiple Airlines Logo
6:00 am - 6:45 pmSFO  San Francisco-ICN Incheon Intl
20h 45m1 stop Calgary
Multiple Airlines Logo
8:50 pm - 2:00 pmICN  Incheon Intl-SFO San Francisco
10h 10mnonstop
$682Multiple Airlines
Mon, Sep 21 - Wed, Nov 11
XiamenAir Logo
11:55 pm - 12:30 pmLAX  Los Angeles-ICN Incheon Intl
20h 35m1 stop Xiamen Gaoqi Intl
XiamenAir Logo
1:20 pm - 8:00 pmICN  Incheon Intl-LAX Los Angeles
22h 40m1 stop Xiamen Gaoqi Intl
$684XiamenAir
Sun, Oct 18 - Sun, Nov 1
XiamenAir Logo
11:55 pm - 12:30 pmLAX  Los Angeles-ICN Incheon Intl
20h 35m1 stop Xiamen Gaoqi Intl
XiamenAir Logo
1:20 pm - 8:00 pmICN  Incheon Intl-LAX Los Angeles
22h 40m1 stop Xiamen Gaoqi Intl
$688XiamenAir
Sun, Oct 18 - Sun, Oct 25
Multiple Airlines Logo
9:50 am - 10:35 pmHNL  Honolulu-ICN Incheon Intl
17h 45m1 stop Tokyo Narita
Multiple Airlines Logo
7:20 am - 11:20 amICN  Incheon Intl-HNL Honolulu
23h 00m1 stop Manila Ninoy Aquino Intl
$691Multiple Airlines
Fri, Aug 21 - Tue, Sep 29
Air China Logo
11:25 pm - 11:40 amLAX  Los Angeles-ICN Incheon Intl
20h 15m1 stop Beijing Capital
Air China Logo
11:10 am - 7:00 pmICN  Incheon Intl-LAX Los Angeles
24h 50m1 stop Beijing Capital
$726Air China
Mon, Oct 26 - Mon, Nov 2

momondo Fare Finder

 
Locate flights to Incheon Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on August 11, 2026.
Use the filters below to find and compare flights to Incheon Intl Airport that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Wed 9/23

5:00 pm-9:40 pm

Nonstop12h 40m

Incheon Intl

Fri 10/2

7:15 pm-2:15 pm

Nonstop11h 00m

$681

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Wed 9/2

5:00 pm-9:40 pm

Nonstop12h 40m

Incheon Intl

Sat 9/12

6:00 pm-1:00 pm

Nonstop11h 00m

$681

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Tue 8/25

10:40 am-3:00 pm

Nonstop12h 20m

Incheon Intl

Tue 9/1

11:30 am-6:30 am

Nonstop11h 00m

$682
Quickest round-trip

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Mon 9/7

11:55 pm-4:20 am

Nonstop12h 25m

Incheon Intl

Fri 9/11

11:30 am-6:10 am

Nonstop10h 40m

$682

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Wed 8/26

1:00 pm-10:00 pm

1 stop17h 00m

Incheon Intl

Wed 9/9

10:50 am-10:30 am

1 stop15h 40m

$682

San FranciscoIncheon

SFO San Francisco - ICN Incheon Intl

SFOICN

San Francisco

Mon 9/21

6:00 am-6:45 pm

1 stop20h 45m

Incheon Intl

Wed 11/11

8:50 pm-2:00 pm

Nonstop10h 10m

$682

Los AngelesIncheon

LAX Los Angeles - ICN Incheon Intl

LAXICN

Los Angeles

Sun 10/18

11:55 pm-12:30 pm

1 stop20h 35m

Incheon Intl

Sun 11/1

1:20 pm-8:00 pm

1 stop22h 40m

$684

Los AngelesIncheon

LAX Los Angeles - ICN Incheon Intl

LAXICN

Los Angeles

Sun 10/18

11:55 pm-12:30 pm

1 stop20h 35m

Incheon Intl

Sun 10/25

1:20 pm-8:00 pm

1 stop22h 40m

$688

HonoluluIncheon

HNL Honolulu - ICN Incheon Intl

HNLICN

Honolulu

Fri 8/21

9:50 am-10:35 pm

1 stop17h 45m

Incheon Intl

Tue 9/29

7:20 am-11:20 am

1 stop23h 00m

$691

Los AngelesIncheon

LAX Los Angeles - ICN Incheon Intl

LAXICN

Los Angeles

Mon 10/26

11:25 pm-11:40 am

1 stop20h 15m

Incheon Intl

Mon 11/2

11:10 am-7:00 pm

1 stop24h 50m

$726

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Incheon Intl Airport from

Flights to Incheon Intl Airport - Travel Insights & Trends

Get data-powered insights and trends for flights to Incheon Intl Airport to help you craft the best travel plan.

What cabin class options are available on United States to Incheon Intl Airport flights?

There are 4 cabin classes available to choose from on United States to Incheon Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

The cheapest day to depart from United States to Incheon Intl Airport is on a Sunday when prices can be found for as low as $1,038. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,162. These prices are subject to change though, so be sure to set up a Price Alert for flights to Incheon Intl Airport.

What is the cheapest month to fly to Incheon Intl Airport?

The cheapest month to fly to Incheon Intl Airport from United States is in April. Flight prices, which tend to average around $902, are often lower during this time because this is during the off-season. If you are unable to visit Incheon Intl Airport during the month of April, then departing from United States during the month August is also very affordable. Most momondo users find prices during this month for around $960.

What is the cheapest time of day to depart on your flight to Incheon Intl Airport?

In the morning is the cheapest time of day to fly from United States to Incheon Intl Airport when you can find flight prices for as low as $1,057. Flying to Incheon Intl Airport in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,094 on average. Flights to Incheon Intl Airport from United States in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest United States to Incheon Intl flight route?

Fly from San Francisco to Incheon Intl for the best United States - Incheon Intl flight prices

How far in advance should I book a flight to Incheon Intl Airport?

You are more likely to see cheaper flights to Incheon Intl Airport from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Incheon Intl Airport for around $1,475 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Incheon Intl Airport from United States for as low as $1,285 on momondo.

Cheapest flights to Incheon Intl

Find the cheapest flights to Incheon Intl from your nearest city or airport
Find flights from Los Angeles to Incheon Intl Airport
CHEAPEST MONTH TO FLY TO INCHEON INTL AIRPORT FROM LOS ANGELESAugust13% cheaperFlying from Los Angeles to Incheon Intl Airport costs on average just $886 in August
MOST EXPENSIVE MONTH TO FLY TO INCHEON INTL AIRPORT FROM LOS ANGELESJune34% more expensiveIt costs about $1,361 for flights to Incheon Intl Airport from Los Angeles in June
MOST POPULAR MONTH TO FLY TO INCHEON INTL AIRPORT FROM LOS ANGELESOctober390% more users visitedMore momondo users searched in flights to Incheon Intl Airport from Los Angeles in October than any other month

Cheap Incheon Intl Airport flight deals and tips

Summary info about Incheon Intl Airport flight prices, duration and airlines

Best One-Way Price

$324

Best Round-Trip Price

$671

Fastest flight time

12h 40m

Popular in

June
The best one-way flight price to Seoul from United States in the last 5 days is $324 (Honolulu to Incheon Intl).
Search Deals
The best round-trip flight price to Seoul from United States in the last 5 days is $671 (Los Angeles to Incheon Intl).
Search Deals
The fastest flight to Seoul from United States takes 12h 40m (San Francisco to Incheon Intl).
Search Deals
June has the highest demand for flights to Seoul, with a 22% price increase on average.
Search Deals

Frequently asked questions about flying to Incheon Intl Airport

What is the cheapest month to fly to Incheon Intl Airport?

In general when looking for the cheapest flight to Incheon Intl Airport, try to book your flight during the month of February for the best deal.

How far in advance should I book a flight to Incheon Intl Airport?

From most locations, booking your flights to Incheon Intl Airport around 90 days prior to your departure date finds the best deals.

What is the cheapest day to depart on your flight to Incheon Intl Airport?

From most locations, the cheapest flights to Incheon Intl Airport are found on a Sunday. Booking a Friday departure is usually the most expensive.

What is the cheapest time of day to fly to Incheon Intl Airport?

Generally, when visiting Incheon Intl Airport, Morning flights represent the best value. Evening flights are likely to have higher prices.

Is there an alternative airport near Incheon Intl Airport?

Finding an alternative and possibly cheaper destination airport near Incheon Intl Airport is possible. If you are planning a flight to Incheon Intl Airport, consider booking flights to Seoul Gimpo Intl Airport (9 mi from Incheon city center), Cheongju Airport (67 mi from Incheon city center) or WonJu Airport (69 mi from Incheon city center).

Is there a cheaper alternative to flying into Incheon?

Cheongju Airport has an average price of $236 per person and is typically the cheapest airport to fly into when visiting Incheon. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

What is the absolute cheapest flight to Incheon?

The best price found on momondo to Incheon was $30/pp from Busan, which is 88% cheaper than the average flight price to Incheon. To find the cheapest price to Incheon from your area, use momondo’s Airport-to-Airport Pricing Tool.

What airlines fly to Incheon Intl Airport?

Delta is the most popular airline offering flights to Incheon Intl Airport, with 31% of our users opting to fly with them when traveling to Incheon Intl Airport. Other popular options include Asiana Airlines and Korean Air. There are a total of 21 different airlines flying to Incheon Intl Airport.

When did momondo last update prices for flights to Incheon Intl Airport?

Prices for flights to Incheon Intl Airport are updated daily.

How many operators does momondo search for flights to Incheon Intl Airport?

As of August 2026, there are 72 operators available to choose from for flights to Incheon Intl Airport.

How old do you have to be to fly to Incheon Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Incheon Intl Airport.

What documentation or ID do you need to fly to Incheon Intl Airport?

The required travel and health documents for your Incheon Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Incheon Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Incheon Intl Airport?

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

Why use momondo?

Why should I use momondo to find a flight deal to Seoul?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to Seoul. Millions of users trust and use momondo every year so you are in good company.

Can I find flights to Seoul with flexible booking policies on momondo?

All flight searches to Seoul on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights to Seoul?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Seoul.

I’m not ready to book a flight to Seoul right now. Can momondo alert me if prices change?

Yes. momondo can track flight prices for Seoul and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Incheon Intl Airport ICN

Popular flights to Incheon Intl Airport

Popular routes according to searches in the past day on momondo
Flights from New York John F Kennedy Intl to ICNfrom $856
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Flights from San Francisco to ICNfrom $655
Flights from Newark to ICNfrom $657
Flights from Washington, D.C. Dulles Intl to ICNfrom $928