Flight to Idaho

View S$112 flight on Tue, 14 Apr, 2026Opens in a new window

Popular airlines to Idaho

  • Alaska Airlines

  • Delta

  • United

  • American Airlines

  • Southwest Airlines

  • Air France

  • KLM

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Cheap round-trip flights to Idaho

Prices were available within the past 7 days and start at S$112 for one-way flights and S$547 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 19 Mar - Mon, 23 Mar
PHX
Phoenix
GEG
Spokane
S$547 Return, just found
S$547
Return
just found
Select Delta flight, departing Thu, 19 Mar from Phoenix to Spokane, returning Mon, 23 Mar, priced at S$547 just found
Delta
Thu, 19 Mar - Mon, 23 Mar
PHX
Phoenix
GEG
Spokane
S$585 Return, just found
S$585
Return
just found
Select Delta flight, departing Thu, 19 Mar from Phoenix to Spokane, returning Mon, 23 Mar, priced at S$585 just found
Delta
Thu, 19 Mar - Mon, 23 Mar
PHX
Phoenix
GEG
Spokane
S$591 Return, just found
S$591
Return
just found
Select Delta flight, departing Thu, 19 Mar from Phoenix to Spokane, returning Mon, 23 Mar, priced at S$591 just found
United
Fri, 17 Jul - Tue, 21 Jul
FSD
Sioux Falls
GEG
Spokane
S$614 Return, found 1 day ago
S$614
Return
found 1 day ago
Select United flight, departing Fri, 17 Jul from Sioux Falls to Spokane, returning Tue, 21 Jul, priced at S$614 found 1 day ago
American Airlines
Thu, 19 Mar - Mon, 23 Mar
PHX
Phoenix
GEG
Spokane
S$623 Return, just found
S$623
Return
just found
Select American Airlines flight, departing Thu, 19 Mar from Phoenix to Spokane, returning Mon, 23 Mar, priced at S$623 just found
Delta
Thu, 19 Mar - Mon, 23 Mar
PHX
Phoenix
GEG
Spokane
S$629 Return, just found
S$629
Return
just found
Select Delta flight, departing Thu, 19 Mar from Phoenix to Spokane, returning Mon, 23 Mar, priced at S$629 just found
Delta
Thu, 16 Jul - Tue, 21 Jul
FSD
Sioux Falls
GEG
Spokane
S$631 Return, found 1 day ago
S$631
Return
found 1 day ago
Select Delta flight, departing Thu, 16 Jul from Sioux Falls to Spokane, returning Tue, 21 Jul, priced at S$631 found 1 day ago
Delta
Thu, 19 Mar - Mon, 23 Mar
PHX
Phoenix
GEG
Spokane
S$635 Return, just found
S$635
Return
just found
Select Delta flight, departing Thu, 19 Mar from Phoenix to Spokane, returning Mon, 23 Mar, priced at S$635 just found
Delta
Thu, 19 Mar - Sun, 22 Mar
PHX
Phoenix
GEG
Spokane
S$638 Return, just found
S$638
Return
just found
Select Delta flight, departing Thu, 19 Mar from Phoenix to Spokane, returning Sun, 22 Mar, priced at S$638 just found
United
Fri, 17 Jul - Tue, 21 Jul
FSD
Sioux Falls
GEG
Spokane
S$655 Return, found 1 day ago
S$655
Return
found 1 day ago
Select United flight, departing Fri, 17 Jul from Sioux Falls to Spokane, returning Tue, 21 Jul, priced at S$655 found 1 day ago

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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.

China Airlines
Thu, 8 Oct - Mon, 12 Oct
SIN
Singapore
BOI
Boise
S$1,195 Return, found 4 days ago
S$1,195
Return
found 4 days ago
Select China Airlines flight, departing Thu, 8 Oct from Singapore to Boise, returning Mon, 12 Oct, priced at S$1,195 found 4 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 S$547. Booking well ahead will generally help you get an even bigger bargain.
How much is a flight to Idaho?
One-way flights departing from Phoenix (PHX) sold for as little as S$112 in the last seven days. During this time, the price of a round-trip fare to Idaho varied between S$547 and S$1,195. 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 S$547 and S$1,195. 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.

Book with confidence

Expedia offers flights to Idaho to meet every traveller'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.

Travel information

Idaho Flights Information

Airlines serving
Delta, United, American Airlines, Southern Airways Express
Roundtrip price
from S$547
Idaho Flights Information

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