Cheap Flights to Idaho from NT$4,400

View NT$4,400 flight on Fri, 2026/7/3Opens in a new window

Popular airlines to Idaho

  • Alaska Airlines

  • Delta

  • United

  • American Airlines

  • Southwest Airlines

  • Air Canada

  • Frontier Airlines

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How much is the cheapest flight to Idaho?

Prices were available within the past 7 days and start at NT$4,400 for one-way flights and NT$7,527 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, Jul 3 - Sun, Jul 5
BOI
Boise
GEG
Spokane
NT$7,527 Roundtrip, found 19 hours ago
NT$7,527
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, Jul 3 from Boise to Spokane, returning Sun, Jul 5, priced at NT$7,527 found 19 hours ago
Delta
Fri, Jul 3 - Sun, Jul 5
BOI
Boise
GEG
Spokane
NT$8,164 Roundtrip, found 19 hours ago
NT$8,164
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, Jul 3 from Boise to Spokane, returning Sun, Jul 5, priced at NT$8,164 found 19 hours ago
Delta
Fri, Jul 3 - Sun, Jul 5
BOI
Boise
GEG
Spokane
NT$8,799 Roundtrip, found 19 hours ago
NT$8,799
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, Jul 3 from Boise to Spokane, returning Sun, Jul 5, priced at NT$8,799 found 19 hours ago
Delta
Fri, Jul 3 - Sun, Jul 5
BOI
Boise
GEG
Spokane
NT$8,800 Roundtrip, found 19 hours ago
NT$8,800
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, Jul 3 from Boise to Spokane, returning Sun, Jul 5, priced at NT$8,800 found 19 hours ago
Delta
Fri, Jul 3 - Sun, Jul 5
BOI
Boise
GEG
Spokane
NT$9,117 Roundtrip, found 19 hours ago
NT$9,117
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, Jul 3 from Boise to Spokane, returning Sun, Jul 5, priced at NT$9,117 found 19 hours ago
Delta
Fri, Jul 3 - Sun, Jul 5
BOI
Boise
GEG
Spokane
NT$9,435 Roundtrip, found 19 hours ago
NT$9,435
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, Jul 3 from Boise to Spokane, returning Sun, Jul 5, priced at NT$9,435 found 19 hours ago
Delta
Fri, Jul 3 - Sun, Jul 5
BOI
Boise
GEG
Spokane
NT$9,754 Roundtrip, found 19 hours ago
NT$9,754
Roundtrip
found 19 hours ago
Select Delta flight, departing Fri, Jul 3 from Boise to Spokane, returning Sun, Jul 5, priced at NT$9,754 found 19 hours ago
American Airlines
Fri, Jul 3 - Sun, Jul 5
BOI
Boise
GEG
Spokane
NT$32,178 Roundtrip, found 19 hours ago
NT$32,178
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Fri, Jul 3 from Boise to Spokane, returning Sun, Jul 5, priced at NT$32,178 found 19 hours ago
United
Fri, Jul 3 - Sun, Jul 5
BOI
Boise
GEG
Spokane
NT$37,139 Roundtrip, found 19 hours ago
NT$37,139
Roundtrip
found 19 hours ago
Select United flight, departing Fri, Jul 3 from Boise to Spokane, returning Sun, Jul 5, priced at NT$37,139 found 19 hours ago
Japan Airlines
Wed, Apr 29 - Sun, May 3
TSA
Taipei
BOI
Boise
NT$41,949 Roundtrip, found 5 days ago
NT$41,949
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Wed, Apr 29 from Taipei to Boise, returning Sun, May 3, priced at NT$41,949 found 5 days 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.

Delta
Mon, Jun 8 - Wed, Jul 8
TPE
Taipei
GEG
Spokane
NT$28,969 Roundtrip, found 19 hours ago
NT$28,969
Roundtrip
found 19 hours ago
Select Delta flight, departing Mon, Jun 8 from Taipei to Spokane, returning Wed, Jul 8, priced at NT$28,969 found 19 hours 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 NT$7,527. Booking well ahead will generally help you get an even bigger bargain.
How much is a flight to Idaho?
One-way flights departing from Boise (BOI) sold for as little as NT$4,400 in the last seven days. During this time, the price of a round-trip fare to Idaho varied between NT$7,527 and NT$41,949. 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 NT$7,527 and NT$41,949. 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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