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Flights to Incheon Intl

$400 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 8/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
3:30 pm - 8:10 pm
SFO
-
ICN
12h 40mnonstop
AIR PREMIA Logo
6:00 pm - 1:00 pm
ICN
-
SFO
11h 00mnonstop
$700AIR PREMIA
Sat, Sep 5 - Mon, Sep 21
AIR PREMIA Logo
3:30 pm - 8:10 pm
SFO
-
ICN
12h 40mnonstop
AIR PREMIA Logo
6:00 pm - 1:00 pm
ICN
-
SFO
11h 00mnonstop
$706AIR PREMIA
Sun, Sep 6 - Sun, Sep 27
Asiana Airlines Logo
12:10 am - 4:00 am
SEA
-
ICN
11h 50mnonstop
Asiana Airlines Logo
9:20 pm - 3:45 pm
ICN
-
SEA
10h 25mnonstop
$891Asiana Airlines
Mon, Jul 20 - Mon, Jul 27
Asiana Airlines Logo
12:10 am - 4:00 am
SEA
-
ICN
11h 50mnonstop
Asiana Airlines Logo
9:20 pm - 3:45 pm
ICN
-
SEA
10h 25mnonstop
$892Asiana Airlines
Thu, Jul 30 - Tue, Aug 25
Cathay Pacific Logo
11:45 am - 10:25 pm
SEA
-
ICN
18h 40m
1 stop
Cathay Pacific Logo
6:40 am - 10:05 am
ICN
-
SEA
19h 25m
1 stop
$924Cathay Pacific
Tue, Oct 6 - Wed, Oct 14
Cathay Pacific Logo
10:55 pm - 7:05 pm
DFW
-
ICN
30h 10m
1 stop
Cathay Pacific Logo
8:00 am - 5:50 pm
ICN
-
DFW
23h 50m
1 stop
$1,050Cathay Pacific
Tue, Oct 13 - Tue, Oct 20
Air Canada Logo
6:30 am - 4:25 pm
LGA
-
ICN
20h 55m
1 stop
Air Canada Logo
7:05 pm - 10:36 pm
ICN
-
LGA
16h 31m
1 stop
$1,148Air Canada
Sat, Oct 3 - Sun, Oct 18
United Airlines Logo
4:59 pm - 4:20 am
LGA
-
ICN
22h 21m
2 stops
United Airlines Logo
4:50 pm - 11:27 pm
ICN
-
LGA
19h 37m
2 stops
$1,161United Airlines
Fri, Sep 4 - Wed, Sep 23
United Airlines Logo
3:45 pm - 3:00 pm
LGA
-
ICN
58h 15m
2 stops
United Airlines Logo
4:50 pm - 9:31 am
ICN
-
LGA
29h 41m
2 stops
$1,176United Airlines
Fri, Sep 11 - Fri, Sep 18
Air Canada Logo
7:25 am - 5:30 pm
LGA
-
ICN
21h 05m
1 stop
Air Canada Logo
7:05 pm - 10:36 pm
ICN
-
LGA
16h 31m
1 stop
$1,190Air Canada
Fri, Sep 11 - Fri, Sep 25

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 May 15, 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 - ICN

SFOICN

San Francisco

Sat 9/5

3:30 pm-8:10 pm

Nonstop12h 40m

Incheon Intl

Mon 9/21

6:00 pm-1:00 pm

Nonstop11h 00m

$700

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 9/6

3:30 pm-8:10 pm

Nonstop12h 40m

Incheon Intl

Sun 9/27

6:00 pm-1:00 pm

Nonstop11h 00m

$706
Quickest round-trip

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Mon 7/20

12:10 am-4:00 am

Nonstop11h 50m

Incheon Intl

Mon 7/27

9:20 pm-3:45 pm

Nonstop10h 25m

$891

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Thu 7/30

12:10 am-4:00 am

Nonstop11h 50m

Incheon Intl

Tue 8/25

9:20 pm-3:45 pm

Nonstop10h 25m

$892

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 10/6

11:45 am-10:25 pm

1 stop18h 40m

Incheon Intl

Wed 10/14

6:40 am-10:05 am

1 stop19h 25m

$924

DallasIncheon

DFW - ICN

DFWICN

Dallas/Fort Worth

Tue 10/13

10:55 pm-7:05 pm

1 stop30h 10m

Incheon Intl

Tue 10/20

8:00 am-5:50 pm

1 stop23h 50m

$1,050

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Sat 10/3

6:30 am-4:25 pm

1 stop20h 55m

Incheon Intl

Sun 10/18

7:05 pm-10:36 pm

1 stop16h 31m

$1,148

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Fri 9/4

4:59 pm-4:20 am

2 stops22h 21m

Incheon Intl

Wed 9/23

4:50 pm-11:27 pm

2 stops19h 37m

$1,161

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Fri 9/11

3:45 pm-3:00 pm

2 stops58h 15m

Incheon Intl

Fri 9/18

4:50 pm-9:31 am

2 stops29h 41m

$1,176

New YorkIncheon

LGA - ICN

LGAICN

New York LaGuardia

Fri 9/11

7:25 am-5:30 pm

1 stop21h 05m

Incheon Intl

Fri 9/25

7:05 pm-10:36 pm

1 stop16h 31m

$1,190

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 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 $1,035. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,185. 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 $908, 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 $931.

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 $1,042. 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 $1,107 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 Seattle/Tacoma Intl 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 $1,534 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 $1,280 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 ANGELESOctober11% cheaperFlying from Los Angeles to Incheon Intl Airport costs on average just $907 in October
MOST EXPENSIVE MONTH TO FLY TO INCHEON INTL AIRPORT FROM LOS ANGELESJune25% more expensiveIt costs about $1,267 for flights to Incheon Intl Airport from Los Angeles in June
MOST POPULAR MONTH TO FLY TO INCHEON INTL AIRPORT FROM LOS ANGELESJune284% more users visitedMore momondo users searched in flights to Incheon Intl Airport from Los Angeles in June 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

$400

Best Round-Trip Price

$700

Fastest flight time

11h 25m

Popular in

December
The best one-way flight price to Seoul from United States in the last 72 hours is $400 (San Francisco to Incheon Intl).
Search Deals
The best round-trip flight price to Seoul from United States in the last 72 hours is $700 (San Francisco to Incheon Intl).
Search Deals
The fastest flight to Seoul from United States takes 11h 25m (Seattle/Tacoma Intl to Incheon Intl).
Search Deals
December has the highest demand for flights to Seoul, with a 2% 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 91 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 Saturday 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 $149 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 $52/pp from Busan, which is 72% 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 Korean Air and Asiana Airlines. There are a total of 22 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 May 2026, there are 75 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 San Francisco to ICNfrom $733
Flights from Los Angeles to ICNfrom $680
Flights from New York John F Kennedy Intl to ICNfrom $924
Flights from Seattle/Tacoma Intl to ICNfrom $655
Flights from Newark to ICNfrom $1,031