Cheap Flights to Idaho from ₩193,600

View ₩193,600 flight on Tue, Jul 28, 2026Opens in a new window

Popular airlines to Idaho

  • Alaska Airlines

  • Delta

  • United

  • American Airlines

  • Southwest Airlines

  • Air France

  • KLM

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How much is the cheapest flight to Idaho?

Prices were available within the past 7 days and start at ₩193,600 for one-way flights and ₩387,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jul 28 - Fri, Jul 31
SEA
Seattle
BOI
Boise
₩387,100 Roundtrip, found 2 days ago
₩387,100
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jul 28 from Seattle to Boise, returning Fri, Jul 31, priced at ₩387,100 found 2 days ago
Delta
Tue, Jul 28 - Fri, Jul 31
SEA
Seattle
BOI
Boise
₩423,300 Roundtrip, found 2 days ago
₩423,300
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jul 28 from Seattle to Boise, returning Fri, Jul 31, priced at ₩423,300 found 2 days ago
United
Tue, Jul 28 - Fri, Jul 31
SEA
Seattle
BOI
Boise
₩445,000 Roundtrip, found 2 days ago
₩445,000
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 28 from Seattle to Boise, returning Fri, Jul 31, priced at ₩445,000 found 2 days ago
Hawaiian Airlines
Sat, Mar 28 - Sun, Mar 29
SEA
Seattle
JAC
Jackson
₩447,000 Roundtrip, found 3 days ago
₩447,000
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sat, Mar 28 from Seattle to Jackson, returning Sun, Mar 29, priced at ₩447,000 found 3 days ago
Delta
Tue, Jul 28 - Fri, Jul 31
SEA
Seattle
BOI
Boise
₩459,600 Roundtrip, found 2 days ago
₩459,600
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Jul 28 from Seattle to Boise, returning Fri, Jul 31, priced at ₩459,600 found 2 days ago
Delta
Sat, Mar 28 - Sun, Mar 29
SEA
Seattle
JAC
Jackson
₩468,500 Roundtrip, found 3 days ago
₩468,500
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Mar 28 from Seattle to Jackson, returning Sun, Mar 29, priced at ₩468,500 found 3 days ago
United
Tue, Jul 28 - Fri, Jul 31
SEA
Seattle
BOI
Boise
₩481,200 Roundtrip, found 2 days ago
₩481,200
Roundtrip
found 2 days ago
Select United flight, departing Tue, Jul 28 from Seattle to Boise, returning Fri, Jul 31, priced at ₩481,200 found 2 days ago
Delta
Sat, Mar 28 - Sun, Mar 29
SEA
Seattle
JAC
Jackson
₩483,300 Roundtrip, found 3 days ago
₩483,300
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Mar 28 from Seattle to Jackson, returning Sun, Mar 29, priced at ₩483,300 found 3 days ago
Delta
Sat, Mar 28 - Sun, Mar 29
SEA
Seattle
JAC
Jackson
₩493,300 Roundtrip, found 3 days ago
₩493,300
Roundtrip
found 3 days ago
Select Delta flight, departing Sat, Mar 28 from Seattle to Jackson, returning Sun, Mar 29, priced at ₩493,300 found 3 days ago
American Airlines
Wed, Jul 29 - Fri, Jul 31
SEA
Seattle
BOI
Boise
₩609,700 Roundtrip, found 2 days ago
₩609,700
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Jul 29 from Seattle to Boise, returning Fri, Jul 31, priced at ₩609,700 found 2 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 ₩387,100. Booking well ahead will generally help you get an even bigger bargain.
How much is a flight to Idaho?
One-way flights departing from Seattle (SEA) sold for as little as ₩193,600 in the last seven days. During this time, the price of a round-trip fare to Idaho varied between ₩387,100 and ₩901,500. 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 ₩387,100 and ₩901,500. 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.

Hawaiian Airlines
Sat, Feb 21 - Wed, Feb 25
ICN
Seoul
GEG
Spokane
₩901,500 Roundtrip, found 3 days ago
₩901,500
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 21 from Seoul to Spokane, returning Wed, Feb 25, priced at ₩901,500 found 3 days ago
*Available to Expedia members.