Latest deals
Insights
When to book
FAQs
Price Alerts
Flights to Incheon Intl

$363 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 8/1. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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.
China Eastern Logo
12:00 pm - 11:00 am
SFO
-
ICN
30h 00m
2 stops
China Eastern Logo
4:10 pm - 9:00 am
ICN
-
SFO
33h 50m
1 stop
$777China Eastern
Thu, Nov 26 - Fri, Dec 11
Asiana Airlines Logo
11:55 pm - 4:20 am
SFO
-
ICN
12h 25mnonstop
Asiana Airlines Logo
4:50 pm - 12:00 pm
ICN
-
SFO
11h 10mnonstop
$781Asiana Airlines
Tue, Jul 28 - Fri, Aug 28
United Airlines Logo
11:59 pm - 3:20 pm
SFO
-
ICN
23h 21m
1 stop
United Airlines Logo
5:15 pm - 10:18 am
ICN
-
SFO
33h 03m
1 stop
$783United Airlines
Sat, Sep 5 - Sat, Sep 12
AIR PREMIA Logo
2:30 pm - 8:30 pm
SFO
-
ICN
13h 00mnonstop
AIR PREMIA Logo
6:55 pm - 12:30 pm
ICN
-
SFO
10h 35mnonstop
$789AIR PREMIA
Sat, Nov 21 - Mon, Dec 7
United Airlines Logo
11:55 pm - 4:20 am
SFO
-
ICN
12h 25mnonstop
United Airlines Logo
4:50 pm - 12:00 pm
ICN
-
SFO
11h 10mnonstop
$791United Airlines
Sun, Jun 21 - Mon, Jun 29
AIR PREMIA Logo
5:00 pm - 9:40 pm
SFO
-
ICN
12h 40mnonstop
AIR PREMIA Logo
6:55 pm - 1:30 pm
ICN
-
SFO
10h 35mnonstop
$794AIR PREMIA
Fri, Oct 23 - Sat, Oct 31
Cathay Pacific Logo
12:25 pm - 12:25 am
SEA
-
ICN
20h 00m
1 stop
Cathay Pacific Logo
3:10 pm - 10:20 am
ICN
-
SEA
35h 10m
1 stop
$894Cathay Pacific
Sat, Aug 29 - Mon, Sep 7
Cathay Pacific Logo
11:45 am - 10:25 pm
SEA
-
ICN
18h 40m
1 stop
Cathay Pacific Logo
8:05 pm - 10:05 am
ICN
-
SEA
30h 00m
1 stop
$904Cathay Pacific
Tue, Sep 22 - Fri, Oct 2
Alaska Airlines Logo
6:02 am - 5:30 pm
ONT
-
ICN
19h 28m
1 stop
Alaska Airlines Logo
7:35 pm - 11:24 pm
ICN
-
ONT
19h 49m
1 stop
$1,079Alaska Airlines
Mon, Aug 3 - Thu, Sep 3
Alaska Airlines Logo
6:02 am - 5:30 pm
ONT
-
ICN
19h 28m
1 stop
Alaska Airlines Logo
7:35 pm - 7:03 pm
ICN
-
ONT
15h 28m
1 stop
$1,097Alaska Airlines
Thu, Aug 27 - Sat, Sep 26

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 June 10, 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

Thu 11/26

12:00 pm-11:00 am

2 stops30h 00m

Incheon Intl

Fri 12/11

4:10 pm-9:00 am

1 stop33h 50m

$777

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 7/28

11:55 pm-4:20 am

Nonstop12h 25m

Incheon Intl

Fri 8/28

4:50 pm-12:00 pm

Nonstop11h 10m

$781

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 9/5

11:59 pm-3:20 pm

1 stop23h 21m

Incheon Intl

Sat 9/12

5:15 pm-10:18 am

1 stop33h 03m

$783

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 11/21

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Mon 12/7

6:55 pm-12:30 pm

Nonstop10h 35m

$789

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 6/21

11:55 pm-4:20 am

Nonstop12h 25m

Incheon Intl

Mon 6/29

4:50 pm-12:00 pm

Nonstop11h 10m

$791
Quickest round-trip

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 10/23

5:00 pm-9:40 pm

Nonstop12h 40m

Incheon Intl

Sat 10/31

6:55 pm-1:30 pm

Nonstop10h 35m

$794

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Sat 8/29

12:25 pm-12:25 am

1 stop20h 00m

Incheon Intl

Mon 9/7

3:10 pm-10:20 am

1 stop35h 10m

$894

SeattleIncheon

SEA - ICN

SEAICN

Seattle/Tacoma Intl

Tue 9/22

11:45 am-10:25 pm

1 stop18h 40m

Incheon Intl

Fri 10/2

8:05 pm-10:05 am

1 stop30h 00m

$904

OntarioIncheon

ONT - ICN

ONTICN

Ontario

Mon 8/3

6:02 am-5:30 pm

1 stop19h 28m

Incheon Intl

Thu 9/3

7:35 pm-11:24 pm

1 stop19h 49m

$1,079

OntarioIncheon

ONT - ICN

ONTICN

Ontario

Thu 8/27

6:02 am-5:30 pm

1 stop19h 28m

Incheon Intl

Sat 9/26

7:35 pm-7:03 pm

1 stop15h 28m

$1,097

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $1,027. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,182. 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 $906, 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 $936.

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 $1,045. 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 $1,100 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 $1,510 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 $1,327 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 ANGELESSeptember12% cheaperFlying from Los Angeles to Incheon Intl Airport costs on average just $905 in September
MOST EXPENSIVE MONTH TO FLY TO INCHEON INTL AIRPORT FROM LOS ANGELESJune28% more expensiveIt costs about $1,307 for flights to Incheon Intl Airport from Los Angeles in June
MOST POPULAR MONTH TO FLY TO INCHEON INTL AIRPORT FROM LOS ANGELESOctober250% 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

$363

Best Round-Trip Price

$777

Fastest flight time

20h 45m

Popular in

June
The best one-way flight price to Seoul from United States in the last 5 days is $363 (Seattle/Tacoma Intl to Incheon Intl).
Search Deals
The best round-trip flight price to Seoul from United States in the last 5 days is $777 (San Francisco to Incheon Intl).
Search Deals
The fastest flight to Seoul from United States takes 20h 45m (Ontario to Incheon Intl).
Search Deals
June has the highest demand for flights to Seoul, with a 15% 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 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 $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 $31/pp from Jeju City, which is 82% 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 June 2026, there are 73 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
Suwon
Daejeon
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.

An easier way to manage your Incheon Intl trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 7/10
Fri 7/17
By creating a price alert you accept our terms of use and privacy policy.

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 $753
Flights from Los Angeles Los Angeles to ICNfrom $700
Flights from New York John F Kennedy Intl to ICNfrom $955
Flights from Newark to ICNfrom $874
Flights from Seattle/Tacoma Intl to ICNfrom $736