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$861+ Cheap flights from Idaho Falls (IDA) to Seoul (SEL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
IDA — SEL
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find flight deals from Idaho Falls to Seoul

Cheapest flights from Idaho Falls to Seoul
Explore the most affordable flight options available from Idaho Falls to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:57 pmIDA - ICN
2 stops29h 33mDelta
Mon 11/247:30 pmICN - IDA
2 stops18h 49mDelta
Deal found 10/16$897
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/296:00 amIDA - ICN
1 stop18h 20mDelta
Sat 12/67:30 pmICN - IDA
2 stops19h 07mDelta
Deal found 10/15$932
This American Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/291:58 pmIDA - ICN
1 stop34h 47mAmerican Airlines
Sat 12/67:15 pmICN - IDA
1 stop34h 12mAmerican Airlines
Deal found 10/15$941
This American Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:58 pmIDA - ICN
1 stop34h 47mAmerican Airlines
Mon 11/247:15 pmICN - IDA
1 stop34h 12mAmerican Airlines
Deal found 10/15$1,036
This oojo deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/296:00 amIDA - ICN
2 stops43h 15mQatar Airways
Fri 12/512:20 amICN - IDA
2 stops53h 07mQatar Airways
Deal found 10/15$2,035
This oojo deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:58 pmIDA - ICN
2 stops35h 17mQatar Airways
Sun 11/2312:20 amICN - IDA
2 stops39h 39mQatar Airways
Deal found 10/15$2,046

Cheap flight deals from Idaho Falls to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Idaho Falls (IDA) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$861
(Alaska Airlines)
Provider with most accurate pricing for Idaho Falls Fanning Field-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for Idaho Falls Fanning Field-Seoul (SEL) flights.
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From Idaho Falls Fanning Field to Seoul (SEL)
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Seoul 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, Cheapflights users made 2,558,603 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Idaho Falls to Seoul that are best for you.

Fly from

Idaho Falls

Fly to

Seoul

Route

Depart

Return

Price

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

6:15 am-6:35 pm

1 stop21h 20m

Incheon Intl

Wed 4/1

8:35 pm-10:35 pm

1 stop17h 00m

$861

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Fri 11/14

6:57 pm-4:30 pm

2 stops29h 33m

Incheon Intl

Mon 11/24

7:30 pm-10:19 pm

2 stops18h 49m

$897

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Sat 11/29

6:00 am-4:20 pm

1 stop18h 20m

Incheon Intl

Sat 12/6

7:30 pm-10:37 pm

2 stops19h 07m

$932

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Thu 2/26

6:00 am-4:30 pm

2 stops18h 30m

Incheon Intl

Mon 3/2

7:30 pm-10:21 pm

2 stops18h 51m

$966

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Wed 3/25

6:00 am-4:30 pm

2 stops19h 30m

Incheon Intl

Wed 4/1

7:20 pm-10:21 pm

2 stops18h 01m

$966

Idaho FallsIncheon

IDA - ICN

IDAICN

Idaho Falls Fanning Field

Mon 12/22

2:30 pm-4:15 pm

2 stops33h 45m

$892

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

Compare providers for flights from Idaho Falls to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Idaho Falls to Seoul in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Idaho Falls-Seoul flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Idaho Falls-Seoul flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Idaho Falls-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Idaho Falls-Seoul flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Idaho Falls-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Idaho Falls to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul from Idaho Falls with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho Falls to Seoul
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated October 16, 2025.
Read reviews from past customers who have flown Delta from Idaho Falls to Seoul. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,984 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
8.0
Very good
7,984 reviews
Delta
8.0
Very good
7,984 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Idaho Falls to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Idaho Falls to Seoul?

    For a flight from Idaho Falls to Seoul, you will be flying from Fanning Field. Idaho Falls Fanning Field (IDA) is just 3.8 mi from the center of the city. Fanning Field is the only Idaho Falls airport and it handles 0 outbound flights to Seoul per day. 1 airline has flights to Seoul from Idaho Falls Fanning Field on a regular basis.

  • How long is the flight from Idaho Falls to Seoul?

    Airlines like Alaska Airlines and Delta fly from Idaho Falls to Seoul in about 21h 20m. The time it takes to get you to your destination can typically vary by up to 8h 13m. There are 5746 mi between Idaho Falls and Seoul. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Idaho Falls to Seoul that include hotel bookings?

    Yes. In addition to deals on Idaho Falls to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho Falls to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho Falls to Seoul.

  • Can I find deals for business class flights from Idaho Falls to Seoul?

    Yes. Cheapflights offers flight deals from Idaho Falls to Seoul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Idaho Falls to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Idaho Falls to Seoul

Discover the top airline that operate flights from Idaho Falls to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,122Average$1,507FlexibilityNo cancel feeOn-timeN/A

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