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Cheap flights to Idaho

View €612 flight on Tue, 6 Oct 2026Opens in a new window

Popular airlines to Idaho

  • Alaska Airlines

  • United

  • Delta

  • American Airlines

  • Southwest Airlines

  • Frontier Airlines

  • Air Canada

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Cheap round-trip flights to Idaho

Prices were available within the past 7 days and start at €612 for one-way flights and €847 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Finnair
Tue, 15 Sept - Tue, 22 Sept
DUB
Dublin
BOI
Boise
€847 Return, found 2 hours ago
€847
Return
found 2 hours ago
Select Finnair flight, departing Tue, 15 Sept from Dublin to Boise, returning Tue, 22 Sept, priced at €847 found 2 hours ago
Finnair
Fri, 16 Oct - Fri, 23 Oct
DUB
Dublin
BOI
Boise
€870 Return, found 6 days ago
€870
Return
found 6 days ago
Select Finnair flight, departing Fri, 16 Oct from Dublin to Boise, returning Fri, 23 Oct, priced at €870 found 6 days ago
Icelandair
Sun, 1 Nov - Sat, 7 Nov
DUB
Dublin
MSO
Missoula
€913 Return, found 2 hours ago
€913
Return
found 2 hours ago
Select Icelandair flight, departing Sun, 1 Nov from Dublin to Missoula, returning Sat, 7 Nov, priced at €913 found 2 hours ago
Iberia
Sat, 31 Oct - Sun, 15 Nov
DUB
Dublin
BOI
Boise
€925 Return, found 4 days ago
€925
Return
found 4 days ago
Select Iberia flight, departing Sat, 31 Oct from Dublin to Boise, returning Sun, 15 Nov, priced at €925 found 4 days ago
United
Thu, 11 Feb - Thu, 18 Feb
DUB
Dublin
JAC
Jackson
€928 Return, found 5 days ago
€928
Return
found 5 days ago
Select United flight, departing Thu, 11 Feb from Dublin to Jackson, returning Thu, 18 Feb, priced at €928 found 5 days ago
Delta
Fri, 13 Nov - Wed, 18 Nov
DUB
Dublin
JAC
Jackson
€931 Return, found 6 days ago
€931
Return
found 6 days ago
Select Delta flight, departing Fri, 13 Nov from Dublin to Jackson, returning Wed, 18 Nov, priced at €931 found 6 days ago
Lufthansa
Sat, 31 Oct - Sun, 15 Nov
DUB
Dublin
BOI
Boise
€946 Return, found 4 days ago
€946
Return
found 4 days ago
Select Lufthansa flight, departing Sat, 31 Oct from Dublin to Boise, returning Sun, 15 Nov, priced at €946 found 4 days ago
Iberia
Fri, 28 Aug - Sat, 5 Sept
DUB
Dublin
GEG
Spokane
€954 Return, found 3 days ago
€954
Return
found 3 days ago
Select Iberia flight, departing Fri, 28 Aug from Dublin to Spokane, returning Sat, 5 Sept, priced at €954 found 3 days ago
Air Canada
Sat, 31 Oct - Sun, 15 Nov
DUB
Dublin
BOI
Boise
€967 Return, found 4 days ago
€967
Return
found 4 days ago
Select Air Canada flight, departing Sat, 31 Oct from Dublin to Boise, returning Sun, 15 Nov, priced at €967 found 4 days ago
American Airlines
Mon, 7 Jun - Mon, 14 Jun
DUB
Dublin
JAC
Jackson
€980 Return, found 4 days ago
€980
Return
found 4 days ago
Select American Airlines flight, departing Mon, 7 Jun from Dublin to Jackson, returning Mon, 14 Jun, priced at €980 found 4 days ago

Trending flights to Idaho

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

Finnair
Tue, 15 Sept - Tue, 22 Sept
DUB
Dublin
BOI
Boise
€847 Return, found 2 hours ago
€847
Return
found 2 hours ago
Select Finnair flight, departing Tue, 15 Sept from Dublin to Boise, returning Tue, 22 Sept, priced at €847 found 2 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 €847. Booking well ahead will generally help you get an even bigger bargain.
How much is a flight to Idaho?
One-way flights departing from Dublin (DUB) sold for as little as €612 in the last seven days. During this time, the price of a round-trip fare to Idaho varied between €847 and €980. 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.

How much is a plane ticket to Idaho?
In the last seven days, plane fares to Idaho fluctuated between €847 and €980. 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 16ºC and 27ºC 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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