Cheap Flights to Idaho from ₩585,700

View ₩585,700 flight on Tue, Feb 24, 2026Opens in a new window

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  • Delta

  • United

  • American Airlines

  • Southwest Airlines

  • Air Canada

  • KLM

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How much is the cheapest flight to Idaho?

Prices were available within the past 7 days and start at ₩585,700 for one-way flights and ₩643,100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, May 9 - Wed, May 27
BWI
Baltimore
WYS
West Yellowstone
₩643,100 Roundtrip, found 13 hours ago
₩643,100
Roundtrip
found 13 hours ago
Select United flight, departing Sat, May 9 from Baltimore to West Yellowstone, returning Wed, May 27, priced at ₩643,100 found 13 hours ago
Delta
Fri, May 29 - Thu, Jun 18
BWI
Baltimore
WYS
West Yellowstone
₩696,800 Roundtrip, found 13 hours ago
₩696,800
Roundtrip
found 13 hours ago
Select Delta flight, departing Fri, May 29 from Baltimore to West Yellowstone, returning Thu, Jun 18, priced at ₩696,800 found 13 hours ago
United
Wed, May 6 - Wed, May 27
BWI
Baltimore
WYS
West Yellowstone
₩773,800 Roundtrip, found 13 hours ago
₩773,800
Roundtrip
found 13 hours ago
Select United flight, departing Wed, May 6 from Baltimore to West Yellowstone, returning Wed, May 27, priced at ₩773,800 found 13 hours ago
United
Fri, May 8 - Wed, May 27
BWI
Baltimore
WYS
West Yellowstone
₩777,900 Roundtrip, found 13 hours ago
₩777,900
Roundtrip
found 13 hours ago
Select United flight, departing Fri, May 8 from Baltimore to West Yellowstone, returning Wed, May 27, priced at ₩777,900 found 13 hours ago
United
Sat, May 9 - Sun, May 24
BWI
Baltimore
WYS
West Yellowstone
₩788,100 Roundtrip, found 13 hours ago
₩788,100
Roundtrip
found 13 hours ago
Select United flight, departing Sat, May 9 from Baltimore to West Yellowstone, returning Sun, May 24, priced at ₩788,100 found 13 hours ago
Delta
Fri, May 29 - Tue, Jun 16
BWI
Baltimore
WYS
West Yellowstone
₩789,500 Roundtrip, found 13 hours ago
₩789,500
Roundtrip
found 13 hours ago
Select Delta flight, departing Fri, May 29 from Baltimore to West Yellowstone, returning Tue, Jun 16, priced at ₩789,500 found 13 hours ago
United
Sat, May 9 - Sat, May 23
BWI
Baltimore
WYS
West Yellowstone
₩795,800 Roundtrip, found 13 hours ago
₩795,800
Roundtrip
found 13 hours ago
Select United flight, departing Sat, May 9 from Baltimore to West Yellowstone, returning Sat, May 23, priced at ₩795,800 found 13 hours ago
United
Mon, May 11 - Wed, May 27
BWI
Baltimore
WYS
West Yellowstone
₩814,100 Roundtrip, found 13 hours ago
₩814,100
Roundtrip
found 13 hours ago
Select United flight, departing Mon, May 11 from Baltimore to West Yellowstone, returning Wed, May 27, priced at ₩814,100 found 13 hours ago
United
Sun, May 10 - Wed, May 27
BWI
Baltimore
WYS
West Yellowstone
₩820,900 Roundtrip, found 13 hours ago
₩820,900
Roundtrip
found 13 hours ago
Select United flight, departing Sun, May 10 from Baltimore to West Yellowstone, returning Wed, May 27, priced at ₩820,900 found 13 hours ago
United
Fri, May 15 - Tue, Jun 2
BWI
Baltimore
WYS
West Yellowstone
₩821,800 Roundtrip, found 13 hours ago
₩821,800
Roundtrip
found 13 hours ago
Select United flight, departing Fri, May 15 from Baltimore to West Yellowstone, returning Tue, Jun 2, priced at ₩821,800 found 13 hours ago
United
Wed, May 13 - Thu, Jun 4
BWI
Baltimore
WYS
West Yellowstone
₩829,600 Roundtrip, found 13 hours ago
₩829,600
Roundtrip
found 13 hours ago
Select United flight, departing Wed, May 13 from Baltimore to West Yellowstone, returning Thu, Jun 4, priced at ₩829,600 found 13 hours ago
Delta
Fri, May 29 - Wed, Jun 17
BWI
Baltimore
WYS
West Yellowstone
₩833,300 Roundtrip, found 13 hours ago
₩833,300
Roundtrip
found 13 hours ago
Select Delta flight, departing Fri, May 29 from Baltimore to West Yellowstone, returning Wed, Jun 17, priced at ₩833,300 found 13 hours ago
United
Wed, May 13 - Tue, Jun 2
BWI
Baltimore
WYS
West Yellowstone
₩843,900 Roundtrip, found 13 hours ago
₩843,900
Roundtrip
found 13 hours ago
Select United flight, departing Wed, May 13 from Baltimore to West Yellowstone, returning Tue, Jun 2, priced at ₩843,900 found 13 hours ago
United
Thu, May 7 - Wed, May 27
BWI
Baltimore
WYS
West Yellowstone
₩855,000 Roundtrip, found 13 hours ago
₩855,000
Roundtrip
found 13 hours ago
Select United flight, departing Thu, May 7 from Baltimore to West Yellowstone, returning Wed, May 27, priced at ₩855,000 found 13 hours ago
United
Tue, May 19 - Tue, Jun 2
BWI
Baltimore
WYS
West Yellowstone
₩869,300 Roundtrip, found 13 hours ago
₩869,300
Roundtrip
found 13 hours ago
Select United flight, departing Tue, May 19 from Baltimore to West Yellowstone, returning Tue, Jun 2, priced at ₩869,300 found 13 hours ago
United
Mon, May 18 - Thu, Jun 4
BWI
Baltimore
WYS
West Yellowstone
₩886,700 Roundtrip, found 13 hours ago
₩886,700
Roundtrip
found 13 hours ago
Select United flight, departing Mon, May 18 from Baltimore to West Yellowstone, returning Thu, Jun 4, priced at ₩886,700 found 13 hours ago
United
Sat, May 16 - Thu, Jun 4
BWI
Baltimore
WYS
West Yellowstone
₩894,100 Roundtrip, found 13 hours ago
₩894,100
Roundtrip
found 13 hours ago
Select United flight, departing Sat, May 16 from Baltimore to West Yellowstone, returning Thu, Jun 4, priced at ₩894,100 found 13 hours ago
United
Mon, May 18 - Tue, Jun 2
BWI
Baltimore
WYS
West Yellowstone
₩894,400 Roundtrip, found 13 hours ago
₩894,400
Roundtrip
found 13 hours ago
Select United flight, departing Mon, May 18 from Baltimore to West Yellowstone, returning Tue, Jun 2, priced at ₩894,400 found 13 hours ago
United
Thu, May 14 - Thu, Jun 4
BWI
Baltimore
WYS
West Yellowstone
₩908,400 Roundtrip, found 13 hours ago
₩908,400
Roundtrip
found 13 hours ago
Select United flight, departing Thu, May 14 from Baltimore to West Yellowstone, returning Thu, Jun 4, priced at ₩908,400 found 13 hours ago
United
Thu, May 14 - Tue, Jun 2
BWI
Baltimore
WYS
West Yellowstone
₩916,100 Roundtrip, found 13 hours ago
₩916,100
Roundtrip
found 13 hours ago
Select United flight, departing Thu, May 14 from Baltimore to West Yellowstone, returning Tue, Jun 2, priced at ₩916,100 found 13 hours ago

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.

Air Canada
Thu, Apr 16 - Thu, May 14
ICN
Seoul
GEG
Spokane
₩954,300 Roundtrip, found 1 day ago
₩954,300
Roundtrip
found 1 day ago
Select Air Canada flight, departing Thu, Apr 16 from Seoul to Spokane, returning Thu, May 14, priced at ₩954,300 found 1 day ago

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 ₩643,100. Booking well ahead will generally help you get an even bigger bargain.
How much is a flight to Idaho?
One-way flights departing from Seoul (ICN) sold for as little as ₩585,700 in the last seven days. During this time, the price of a round-trip fare to Idaho varied between ₩643,100 and ₩954,300. 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 ₩643,100 and ₩954,300. 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.

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About Idaho

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About Idaho

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