Cheap Flights to Idaho from ₩682,700

View ₩682,700 flight on Tue, Oct 6, 2026Opens in a new window

Popular airlines to Idaho

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

  • American Airlines

    American Airlines

  • Southwest Airlines

    Southwest Airlines

  • Air France

    Air France

  • KLM

    KLM

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How much is the cheapest flight to Idaho?

Prices were available within the past 7 days and start at ₩682,700 for one-way flights and ₩881,200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Feb 9 - Thu, Feb 19
ICN
Seoul
GEG
Spokane
₩881,200 Roundtrip, found 6 days ago
₩881,200
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Feb 9 from Seoul to Spokane, returning Thu, Feb 19, priced at ₩881,200 found 6 days ago
Delta
Mon, Oct 19 - Tue, Oct 20
ICN
Seoul
GEG
Spokane
₩961,100 Roundtrip, found 3 days ago
₩961,100
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Oct 19 from Seoul to Spokane, returning Tue, Oct 20, priced at ₩961,100 found 3 days ago
Delta
Tue, Mar 10 - Tue, Mar 24
ICN
Seoul
BOI
Boise
₩965,400 Roundtrip, found 1 day ago
₩965,400
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Mar 10 from Seoul to Boise, returning Tue, Mar 24, priced at ₩965,400 found 1 day ago
United
Tue, Apr 21 - Mon, May 4
ICN
Seoul
MSO
Missoula
₩970,700 Roundtrip, found 1 day ago
₩970,700
Roundtrip
found 1 day ago
Select United flight, departing Tue, Apr 21 from Seoul to Missoula, returning Mon, May 4, priced at ₩970,700 found 1 day ago
United
Tue, Oct 6 - Sun, Oct 18
ICN
Seoul
JAC
Jackson
₩970,700 Roundtrip, found 2 days ago
₩970,700
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 6 from Seoul to Jackson, returning Sun, Oct 18, priced at ₩970,700 found 2 days ago
Hawaiian Airlines
Sat, Feb 21 - Fri, Feb 27
ICN
Seoul
BOI
Boise
₩980,100 Roundtrip, found 5 days ago
₩980,100
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 21 from Seoul to Boise, returning Fri, Feb 27, priced at ₩980,100 found 5 days ago
Delta
Mon, Feb 9 - Thu, Feb 19
ICN
Seoul
GEG
Spokane
₩981,200 Roundtrip, found 6 days ago
₩981,200
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Feb 9 from Seoul to Spokane, returning Thu, Feb 19, priced at ₩981,200 found 6 days ago
Delta
Mon, Oct 19 - Tue, Oct 20
ICN
Seoul
GEG
Spokane
₩982,100 Roundtrip, found 3 days ago
₩982,100
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Oct 19 from Seoul to Spokane, returning Tue, Oct 20, priced at ₩982,100 found 3 days ago
Alaska Airlines
Fri, Feb 20 - Wed, Feb 25
ICN
Seoul
PUW
Pullman
₩985,400 Roundtrip, found 1 hour ago
₩985,400
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Fri, Feb 20 from Seoul to Pullman, returning Wed, Feb 25, priced at ₩985,400 found 1 hour ago
Korean Air
Mon, Oct 19 - Tue, Oct 20
ICN
Seoul
GEG
Spokane
₩1,061,100 Roundtrip, found 3 days ago
₩1,061,100
Roundtrip
found 3 days ago
Select Korean Air flight, departing Mon, Oct 19 from Seoul to Spokane, returning Tue, Oct 20, priced at ₩1,061,100 found 3 days ago

About Idaho

Expedia offers flights to Idaho to meet every traveler's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Idaho or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to Idaho that have flexible change policies?
By using our smart "No change fee" filter, that's how. Simply type in your origin, destination and dates, click "Search," then tick the checkbox directly under the "Flexible change policies" heading (it's on the left of your screen). Expedia makes it simple to find flexible, low-cost fares to Idaho.
Which airlines fly to Idaho?
Wherever you want to wander in Idaho and whenever you're hoping to depart, you'll find your perfect flight with one of these top airlines:

  • Alaska Airlines - 815 flights to or near Idaho each month, including 754 flights to Boise Airport (BOI) and 30 flights to Friedman Memorial Airport (SUN) per month.
  • Delta Air Lines - 637 flights to or near Idaho each month, including 489 flights to Boise Airport (BOI) and 86 flights to Idaho Falls Regional Airport (IDA) per month.
  • United Airlines - 438 flights to or near Idaho each month, including 303 flights to Boise Airport (BOI) and 91 flights to Idaho Falls Regional Airport (IDA) per month.

How can I find cheap tickets to Idaho?
One of the best ways to find cheap tickets to Idaho is to be flexible with your travel dates. Search for your flights, then click "flexible dates" above the results. It'll bring up the cheapest prices for nearby days. The best price for a flight to Idaho in the last seven days was ₩881,200. Booking well ahead will generally help you get an even bigger bargain.
How much is a flight to Idaho?
One-way flights departing from Seoul (ICN) sold for as little as ₩682,700 in the last seven days. During this time, the price of a round-trip fare to Idaho varied between ₩881,200 and ₩1,061,100. If you find a deal, book quickly — these prices don't hang about.
What are the most popular airports to fly into in Idaho?
Touch down at any one of these main airports in Idaho and you'll be in the perfect position to experience all that this renowned region has to offer:

  • Boise Airport (BOI) - 1,994 flights per month.
  • Idaho Falls Regional Airport (IDA) - 334 flights per month.
  • Friedman Memorial Airport (SUN) - 134 flights per month.

When is the cheapest time to fly to Idaho?
Depart for Idaho earlier in the week and you'll usually be rewarded with lower fares. Tuesday is generally the cheapest day to jet off, followed closely by Monday. If you're eager to avoid the most expensive flights, keep clear of Saturdays.
How much is a plane ticket to Idaho?
In the last seven days, plane fares to Idaho fluctuated between ₩881,200 and ₩1,061,100. Prices tend to go up over time, so book a top deal today.
What is the best time to go to Idaho?
Summer starts June 20 in the Northern Hemisphere, and these warmer months are a terrific time to tour the thrilling Idaho city of Boise. Average temperatures vary between 60ºF and 80ºF throughout this season. The largest crowds are found here in May, July and August.
What months are the cheapest to book a flight to Idaho?
The most cost-effective month to land a flight to Idaho is February, while prices are at a premium in December. Steer clear of this month if you're on a budget.

Trending flights to Idaho

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Feb 9 - Thu, Feb 19
ICN
Seoul
GEG
Spokane
₩881,200 Roundtrip, found 6 days ago
₩881,200
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Feb 9 from Seoul to Spokane, returning Thu, Feb 19, priced at ₩881,200 found 6 days ago
*Available to Expedia members.