£608 Cheap Flights to Idaho

Popular airlines to Idaho

  • KLM

    KLM

  • Virgin Atlantic

    Virgin Atlantic

  • Air France

    Air France

  • Lufthansa

    Lufthansa

  • British Airways

    British Airways

  • Finnair

    Finnair

  • Iberia

    Iberia

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 25% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Top Cities to Visit in Idaho

FlightsFlights

Boise

Boise

Cheap round-trip flights to Idaho

Prices were available within the past 7 days and start at £608 for one-way flights and £567 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Tue, 2 Sep - Tue, 16 Sep
LHR
London
BOI
Boise
£567 Return, found 3 days ago
£567
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Tue, 2 Sep from London to Boise, returning Tue, 16 Sep, priced at £567 found 3 days ago
Lufthansa
Wed, 17 Sep - Wed, 1 Oct
LHR
London
BOI
Boise
£570 Return, found 2 days ago
£570
Return
found 2 days ago
Select Lufthansa flight, departing Wed, 17 Sep from London to Boise, returning Wed, 1 Oct, priced at £570 found 2 days ago
United
Tue, 16 Sep - Mon, 29 Sep
LHR
London
GEG
Spokane
£594 Return, found 2 days ago
£594
Return
found 2 days ago
Select United flight, departing Tue, 16 Sep from London to Spokane, returning Mon, 29 Sep, priced at £594 found 2 days ago
Air Canada
Tue, 2 Sep - Tue, 16 Sep
LHR
London
BOI
Boise
£594 Return, found 3 days ago
£594
Return
found 3 days ago
Select Air Canada flight, departing Tue, 2 Sep from London to Boise, returning Tue, 16 Sep, priced at £594 found 3 days ago
United
Mon, 15 Sep - Mon, 29 Sep
LHR
London
BOI
Boise
£594 Return, found 2 days ago
£594
Return
found 2 days ago
Select United flight, departing Mon, 15 Sep from London to Boise, returning Mon, 29 Sep, priced at £594 found 2 days ago
Swiss International Air Lines
Mon, 22 Sep - Tue, 30 Sep
LCY
London
BOI
Boise
£606 Return, found 16 hours ago
£606
Return
found 16 hours ago
Select Swiss International Air Lines flight, departing Mon, 22 Sep from London to Boise, returning Tue, 30 Sep, priced at £606 found 16 hours ago
American Airlines
Wed, 14 May - Mon, 19 May
LHR
London
PUW
Pullman
£634 Return, found 13 hours ago
£634
Return
found 13 hours ago
Select American Airlines flight, departing Wed, 14 May from London to Pullman, returning Mon, 19 May, priced at £634 found 13 hours ago
British Airways
Wed, 10 Sep - Wed, 17 Sep
LHR
London
MSO
Missoula
£645 Return, found 3 hours ago
£645
Return
found 3 hours ago
Select British Airways flight, departing Wed, 10 Sep from London to Missoula, returning Wed, 17 Sep, priced at £645 found 3 hours ago
Virgin Atlantic
Wed, 10 Sep - Tue, 23 Sep
LHR
London
IDA
Idaho Falls
£648 Return, found 11 hours ago
£648
Return
found 11 hours ago
Select Virgin Atlantic flight, departing Wed, 10 Sep from London to Idaho Falls, returning Tue, 23 Sep, priced at £648 found 11 hours ago
British Airways
Wed, 10 Sep - Wed, 17 Sep
LCY
London
MSO
Missoula
£653 Return, found 6 days ago
£653
Return
found 6 days ago
Select British Airways flight, departing Wed, 10 Sep from London to Missoula, returning Wed, 17 Sep, priced at £653 found 6 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.

Swiss International Air Lines
Tue, 2 Sep - Tue, 16 Sep
LHR
London
BOI
Boise
£567 Return, found 3 days ago
£567
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Tue, 2 Sep from London to Boise, returning Tue, 16 Sep, priced at £567 found 3 days 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 £567. Booking well ahead will generally help you get an even bigger bargain.
How much is a flight to Idaho?
One-way flights departing from London (LHR) sold for as little as £608 in the last seven days. During this time, the price of a round-trip fare to Idaho varied between £567 and £653. 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 £567 and £653. 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.
*Available to Expedia members.