Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Idaho to Seoul from $559

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Seoul departing on 9/8. 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

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 Idaho to Seoul

Cheap round-trip flights

Enter your travel dates to find the best prices.
China Eastern Logo
6:20 am - 11:55 am
GEG
-
ICN
37h 35m
2 stops
China Eastern Logo
4:15 pm - 3:39 pm
ICN
-
GEG
39h 24m
2 stops
$972China Eastern
Mon, Sep 14 - Thu, Sep 17
China Eastern Logo
6:20 am - 11:55 am
GEG
-
ICN
37h 35m
2 stops
China Eastern Logo
4:20 pm - 3:39 pm
ICN
-
GEG
39h 19m
2 stops
$984China Eastern
Mon, Sep 14 - Thu, Sep 17
China Eastern Logo
6:30 am - 11:55 am
GEG
-
ICN
37h 25m
2 stops
China Eastern Logo
8:55 am - 9:31 pm
ICN
-
GEG
28h 36m
2 stops
$990China Eastern
Mon, Sep 14 - Thu, Sep 17
Multiple Airlines Logo
10:14 am - 8:10 pm
BOI
-
ICN
18h 56m
1 stop
Multiple Airlines Logo
6:00 pm - 10:27 pm
ICN
-
BOI
19h 27m
1 stop
$1,062Multiple Airlines
Sat, Sep 12 - Sat, Sep 19
WestJet Logo
5:59 pm - 6:45 pm
BOI
-
ICN
33h 46m
2 stops
WestJet Logo
8:45 pm - 10:25 pm
ICN
-
BOI
40h 40m
2 stops
$1,097WestJet
Wed, Sep 16 - Sat, Sep 26
Multiple Airlines Logo
8:31 am - 10:25 pm
GEG
-
ICN
21h 54m
2 stops
Multiple Airlines Logo
8:00 am - 1:42 pm
ICN
-
GEG
21h 42m
2 stops
$1,143Multiple Airlines
Mon, Sep 14 - Thu, Sep 17
WestJet Logo
8:22 am - 6:45 pm
BOI
-
ICN
19h 23m
2 stops
WestJet Logo
8:45 pm - 10:25 pm
ICN
-
BOI
16h 40m
2 stops
$1,168WestJet
Wed, Sep 16 - Sat, Sep 26
Asiana Airlines Logo
6:20 am - 3:20 pm
GEG
-
ICN
17h 00m
1 stop
Asiana Airlines Logo
12:40 pm - 10:15 pm
ICN
-
GEG
25h 35m
1 stop
$1,258Asiana Airlines
Sat, Jul 11 - Sat, Jul 18
Alaska Airlines Logo
12:57 pm - 5:35 pm
GEG
-
ICN
59h 38m
2 stops
Alaska Airlines Logo
8:00 pm - 9:31 pm
ICN
-
GEG
18h 31m
1 stop
$1,291Alaska Airlines
Mon, Nov 16 - Thu, Nov 19
Alaska Airlines Logo
1:46 pm - 5:30 pm
IDA
-
ICN
36h 44m
1 stop
Alaska Airlines Logo
7:35 pm - 10:54 pm
ICN
-
IDA
18h 19m
1 stop
$1,542Alaska Airlines
Tue, Oct 20 - Fri, Oct 23

WestJet flights from Idaho to Incheon Intl Airport

Our best WestJet deals on Idaho to Incheon Intl Airport flight tickets
WestJet
Sep 16
BOI5:59 pmBoise Air Term. Gowen Fld
33h 46m
2 stops
ICN6:45 pmIncheon Intl
Sep 26
ICN8:45 pmIncheon Intl
40h 40m
2 stops
BOI10:25 pmBoise Air Term. Gowen Fld
$1,097
WestJet
Sep 13
BOI4:05 pmBoise Air Term. Gowen Fld
35h 40m
2 stops
ICN6:45 pmIncheon Intl
Sep 24
ICN8:45 pmIncheon Intl
16h 40m
2 stops
BOI10:25 pmBoise Air Term. Gowen Fld
$1,099
WestJet
Sep 16
BOI8:22 amBoise Air Term. Gowen Fld
19h 23m
2 stops
ICN6:45 pmIncheon Intl
Sep 26
ICN8:45 pmIncheon Intl
16h 40m
2 stops
BOI10:25 pmBoise Air Term. Gowen Fld
$1,168

Alaska Airlines flights from Idaho to Incheon Intl Airport

Our best Alaska Airlines deals on Idaho to Incheon Intl Airport flight tickets
Alaska Airlines
Nov 16
GEG12:57 pmSpokane
59h 38m
2 stops
ICN5:35 pmIncheon Intl
Nov 19
ICN8:00 pmIncheon Intl
18h 31m
1 stop
GEG9:31 pmSpokane
$1,291
Alaska Airlines
Nov 16
GEG12:57 pmSpokane
59h 38m
2 stops
ICN5:35 pmIncheon Intl
Nov 19
ICN8:00 pmIncheon Intl
37h 08m
2 stops
GEG4:08 pmSpokane
$1,310
Alaska Airlines
Sep 11
BOI6:23 amBoise Air Term. Gowen Fld
20h 07m
1 stop
ICN5:30 pmIncheon Intl
Oct 2
ICN7:35 pmIncheon Intl
40h 21m
2 stops
BOI8:56 pmBoise Air Term. Gowen Fld
$1,326

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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 May 27, 2026.
Use the filters below to find and compare flights from Idaho to Incheon Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Mon 9/14

6:20 am-11:55 am

2 stops37h 35m

Incheon Intl

Thu 9/17

4:15 pm-3:39 pm

2 stops39h 24m

$972

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Mon 9/14

6:20 am-11:55 am

2 stops37h 35m

Incheon Intl

Thu 9/17

4:20 pm-3:39 pm

2 stops39h 19m

$984

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Mon 9/14

6:30 am-11:55 am

2 stops37h 25m

Incheon Intl

Thu 9/17

8:55 am-9:31 pm

2 stops28h 36m

$990

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Sat 9/12

10:14 am-8:10 pm

1 stop18h 56m

Incheon Intl

Sat 9/19

6:00 pm-10:27 pm

1 stop19h 27m

$1,062

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 9/16

5:59 pm-6:45 pm

2 stops33h 46m

Incheon Intl

Sat 9/26

8:45 pm-10:25 pm

2 stops40h 40m

$1,097

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Mon 9/14

8:31 am-10:25 pm

2 stops21h 54m

Incheon Intl

Thu 9/17

8:00 am-1:42 pm

2 stops21h 42m

$1,143
Quickest round-trip

BoiseIncheon

BOI - ICN

BOIICN

Boise Air Term. Gowen Fld

Wed 9/16

8:22 am-6:45 pm

2 stops19h 23m

Incheon Intl

Sat 9/26

8:45 pm-10:25 pm

2 stops16h 40m

$1,168

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Sat 7/11

6:20 am-3:20 pm

1 stop17h 00m

Incheon Intl

Sat 7/18

12:40 pm-10:15 pm

1 stop25h 35m

$1,258

SpokaneIncheon

GEG - ICN

GEGICN

Spokane

Mon 11/16

12:57 pm-5:35 pm

2 stops59h 38m

Incheon Intl

Thu 11/19

8:00 pm-9:31 pm

1 stop18h 31m

$1,291

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Tue 10/20

1:46 pm-5:30 pm

1 stop36h 44m

Incheon Intl

Fri 10/23

7:35 pm-10:54 pm

1 stop18h 19m

$1,542

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

See travel insights to Seoul from

How to get the cheapest flight ticket from Idaho to Incheon Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

The cheapest month to fly to Incheon Intl Airport from Idaho is in November. Flight prices, which tend to average around $0, 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 November, then departing from Idaho during the month May is also very affordable. Most momondo users find prices during this month for around $0.

Can stopping save me money on Idaho to Incheon Intl Airport flights?

You could potentially save up to 35% on your flight if you consider stops on a Idaho to Incheon Intl Airport flight.

Cheap Idaho to Incheon Intl Airport flight deals and tips

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

Fastest flight time

16h 15m

Direct flights

None
The fastest flight from Idaho to Incheon Intl Airport takes 16h 15m
There are no direct flights from Idaho to Incheon Intl Airport. There are no popular flight routes from Idaho to Incheon Intl Airport.
Search flight deals

Frequently asked questions about flying from Idaho to Incheon Intl Airport

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

    Prices for flights from Idaho to Incheon Intl Airport were last updated today.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Incheon Intl Airport.

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

    The travel and health documents required for your trip to Incheon Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Incheon Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Seoul?

Book flights to Seoul 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 from Idaho to Seoul?

Finding the right flight to Seoul from Idaho is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seoul quick and easy, saving you time and money.

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

Yes. All flights to Seoul from Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Idaho to Seoul?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seoul from Idaho.

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

If you are simply researching potential flights to Seoul, momondo offers a useful price alert feature which will track prices for flights to Seoul from Idaho and alert you when they change.

An easier way to manage your Incheon Intl Airport 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 6/26
Fri 7/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Seoul

Popular cities in South Korea

Popular flights according to clicks in the last 7 days on momondo
Flights to Seoul Gimpo Intl Airportfrom $702