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Cheap flights from Idaho Falls to Seoul from $716

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Seoul departing on 1/25. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
9:00 am - 6:35 pmIDA-ICN
17h 35m1 stop
Alaska Airlines Logo
8:35 pm - 6:18 pmICN-IDA
13h 43m1 stop
$716Alaska Airlines
Find Deal
Sun, Jan 25 - Thu, Jan 29
Hawaiian Airlines Logo
9:00 am - 6:35 pmIDA-ICN
17h 35m1 stop
Hawaiian Airlines Logo
8:35 pm - 10:59 pmICN-IDA
18h 24m1 stop
$816Hawaiian Airlines
Find Deal
Sun, Jan 25 - Thu, Jan 29
Delta Logo
6:35 pm - 4:30 pmIDA-ICN
29h 55m2 stops
Delta Logo
8:05 pm - 10:57 pmICN-IDA
18h 52m2 stops
$820Delta
Find Deal
Sun, Jan 25 - Thu, Jan 29
Delta Logo
1:15 pm - 4:20 pmIDA-ICN
35h 05m1 stop
Delta Logo
8:05 pm - 10:57 pmICN-IDA
18h 52m2 stops
$825Delta
Find Deal
Sun, Jan 25 - Thu, Jan 29
Delta Logo
1:15 pm - 4:20 pmIDA-ICN
35h 05m1 stop
Delta Logo
8:05 pm - 10:57 pmICN-IDA
18h 52m2 stops
$826Delta
Find Deal
Sun, Jan 25 - Thu, Jan 29
Delta Logo
6:59 pm - 4:30 pmIDA-ICN
30h 31m2 stops
Delta Logo
7:20 pm - 10:20 pmICN-IDA
18h 00m2 stops
$832Delta
Find Deal
Wed, Mar 25 - Wed, Apr 1
Alaska Airlines Logo
9:00 am - 6:35 pmIDA-ICN
17h 35m1 stop
Alaska Airlines Logo
8:35 pm - 10:59 pmICN-IDA
18h 24m1 stop
$864Alaska Airlines
Find Deal
Sun, Jan 25 - Thu, Jan 29
Multiple Airlines Logo
6:58 pm - 5:20 amIDA-ICN
18h 22m1 stop
Multiple Airlines Logo
9:00 pm - 6:18 pmICN-IDA
13h 18m1 stop
$945Multiple Airlines
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Mon, Jan 12 - Mon, Jan 19
Multiple Airlines Logo
6:15 am - 10:30 amIDA-ICN
37h 15m2 stops
Multiple Airlines Logo
1:20 am - 10:35 pmICN-IDA
36h 15m2 stops
$1,714Multiple Airlines
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Wed, Mar 25 - Tue, Mar 31
Qatar Airways Logo
2:07 pm - 5:15 pmIDA-ICN
35h 08m2 stops
Qatar Airways Logo
12:20 am - 10:59 pmICN-IDA
38h 39m2 stops
$1,790Qatar Airways
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Sun, Jan 25 - Wed, Jan 28

Alaska Airlines flights from Idaho Falls to Incheon Intl Airport

Our best Alaska Airlines deals on Idaho Falls to Incheon Intl Airport flight tickets
Alaska Airlines
Jan 25
IDA9:00 amIdaho Falls Fanning Field
17h 35m
1 stop
ICN6:35 pmIncheon Intl
Jan 29
ICN8:35 pmIncheon Intl
13h 43m
1 stop
IDA6:18 pmIdaho Falls Fanning Field
$716
Find similar
Alaska Airlines
Jan 25
IDA9:00 amIdaho Falls Fanning Field
17h 35m
1 stop
ICN6:35 pmIncheon Intl
Jan 29
ICN8:35 pmIncheon Intl
18h 24m
1 stop
IDA10:59 pmIdaho Falls Fanning Field
$864
Find similar

Delta flights from Idaho Falls to Incheon Intl Airport

Our best Delta deals on Idaho Falls to Incheon Intl Airport flight tickets
Delta
Jan 25
IDA6:35 pmIdaho Falls Fanning Field
29h 55m
2 stops
ICN4:30 pmIncheon Intl
Jan 29
ICN8:05 pmIncheon Intl
18h 52m
2 stops
IDA10:57 pmIdaho Falls Fanning Field
$820
Find similar
Delta
Jan 25
IDA1:15 pmIdaho Falls Fanning Field
35h 05m
1 stop
ICN4:20 pmIncheon Intl
Jan 29
ICN8:05 pmIncheon Intl
18h 52m
2 stops
IDA10:57 pmIdaho Falls Fanning Field
$825
Find similar
Delta
Jan 25
IDA1:15 pmIdaho Falls Fanning Field
35h 05m
1 stop
ICN4:20 pmIncheon Intl
Jan 29
ICN8:05 pmIncheon Intl
18h 52m
2 stops
IDA10:57 pmIdaho Falls Fanning Field
$826
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Incheon Intl Airport 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, momondo users made 832,500 searches. Data last updated November 29, 2025.
Use the filters below to find and compare flights from Idaho Falls to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sun 1/25

9:00 am-6:35 pm

1 stop17h 35m

Incheon Intl

Thu 1/29

8:35 pm-6:18 pm

1 stop13h 43m

$716

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sun 1/25

9:00 am-6:35 pm

1 stop17h 35m

Incheon Intl

Thu 1/29

8:35 pm-10:59 pm

1 stop18h 24m

$816

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sun 1/25

6:35 pm-4:30 pm

2 stops29h 55m

Incheon Intl

Thu 1/29

8:05 pm-10:57 pm

2 stops18h 52m

$820

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sun 1/25

1:15 pm-4:20 pm

1 stop35h 05m

Incheon Intl

Thu 1/29

8:05 pm-10:57 pm

2 stops18h 52m

$825

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sun 1/25

1:15 pm-4:20 pm

1 stop35h 05m

Incheon Intl

Thu 1/29

8:05 pm-10:57 pm

2 stops18h 52m

$826

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

6:59 pm-4:30 pm

2 stops30h 31m

Incheon Intl

Wed 4/1

7:20 pm-10:20 pm

2 stops18h 00m

$832

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sun 1/25

9:00 am-6:35 pm

1 stop17h 35m

Incheon Intl

Thu 1/29

8:35 pm-10:59 pm

1 stop18h 24m

$864

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Mon 1/12

6:58 pm-5:20 am

1 stop18h 22m

Incheon Intl

Mon 1/19

9:00 pm-6:18 pm

1 stop13h 18m

$945

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

6:15 am-10:30 am

2 stops37h 15m

Incheon Intl

Tue 3/31

1:20 am-10:35 pm

2 stops36h 15m

$1,714

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sun 1/25

2:07 pm-5:15 pm

2 stops35h 08m

Incheon Intl

Wed 1/28

12:20 am-10:59 pm

2 stops38h 39m

$1,790

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Idaho Falls to Incheon Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Incheon Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to Incheon Intl Airport (IDA to ICN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Incheon Intl Airport

Fastest flight time

17h 35m

Direct flights

None
The fastest flight from Idaho Falls to Incheon Intl Airport takes 17h 35m
There are no direct flights from Idaho Falls to Incheon Intl Airport. There are no popular flight routes from Idaho Falls to Incheon Intl Airport.
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  • How far is Idaho Falls Fanning Field to Incheon Intl by plane?

    There are 5749.7 mi between Idaho Falls Fanning Field and Incheon Intl. Typically, this will take 17h 35m by plane in normal conditions.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Incheon Intl Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to Incheon Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport 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 from Idaho Falls Fanning Field Airport 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.

  • How do I get Price Alerts for flights from Idaho Falls to Incheon Intl Airport?

    Price Alerts will notify you by email when the price for flights to Incheon Intl Airport from Idaho Falls decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Idaho Falls to Incheon Intl Airport with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Seoul?

Book flights to Seoul if you plan to visit one of these locations
Suwon
Seongnam
Daejeon
Anyang

Why use momondo?

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

It is quick and easy to find Idaho Falls to Seoul flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seoul that suits you.

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

Yes. momondo enables you to select and highlight flights to Seoul from Idaho Falls with this policy.

How can momondo help me find flights from Idaho Falls 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 from Idaho Falls to Seoul.

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

Yes. momondo can track prices for Idaho Falls to Seoul flights 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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