Cheap Flights to Southwest Idaho

View ₩342,200 flight on Wed, Dec 24, 2025Opens in a new window

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How much is the cheapest flight to Southwest Idaho?

Prices were available within the past 7 days and start at ₩342,200 for one-way flights and ₩600,400 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Dec 25 - Tue, Dec 30
SNA
Orange County
BOI
Boise
₩600,400 Roundtrip, found 9 hours ago
₩600,400
Roundtrip
found 9 hours ago
Select Delta flight, departing Thu, Dec 25 from Orange County to Boise, returning Tue, Dec 30, priced at ₩600,400 found 9 hours ago
Hawaiian Airlines
Wed, Dec 24 - Thu, Dec 25
ONT
Ontario
BOI
Boise
₩730,900 Roundtrip, found 9 hours ago
₩730,900
Roundtrip
found 9 hours ago
Select Hawaiian Airlines flight, departing Wed, Dec 24 from Ontario to Boise, returning Thu, Dec 25, priced at ₩730,900 found 9 hours ago
United
Tue, Dec 23 - Wed, Dec 24
ONT
Ontario
BOI
Boise
₩754,900 Roundtrip, found 9 hours ago
₩754,900
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Dec 23 from Ontario to Boise, returning Wed, Dec 24, priced at ₩754,900 found 9 hours ago
American Airlines
Tue, Dec 23 - Fri, Dec 26
ONT
Ontario
BOI
Boise
₩797,600 Roundtrip, found 9 hours ago
₩797,600
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Tue, Dec 23 from Ontario to Boise, returning Fri, Dec 26, priced at ₩797,600 found 9 hours ago
Alaska Airlines
Tue, Dec 23 - Tue, Dec 30
SNA
Orange County
BOI
Boise
₩826,900 Roundtrip, found 9 hours ago
₩826,900
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Tue, Dec 23 from Orange County to Boise, returning Tue, Dec 30, priced at ₩826,900 found 9 hours ago

Searching for cheap flights to Southwest Idaho? No travel company presents more choices than Expedia if you're looking to compare flights to Southwest Idaho. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Idaho. Expedia provides the cheapest flights to many destinations in Idaho and you may find even greater savings if you combine your flight with a hotel stay in Southwest Idaho.

Frequently asked questions

How do I find cheap flights to Southwest Idaho that have flexible change policies?
It's as easy as 1-2-3 with Expedia. Step 1: Type in your preferred dates and destination and click on the "Search" button. Step 2: Check "No change fee" below the "Flexible change policies" filter on the top left of your screen. Step 3. Bag a flexible and cheap fare to Southwest Idaho.
Which airlines fly to Southwest Idaho?
You can choose from various airlines that offer flights into or near Southwest Idaho. Here are some of the best of them:

  • Alaska Airlines - 785 flights to or near Southwest Idaho each month, including 754 flights to Boise Airport (BOI) and 30 flights to Friedman Memorial Airport (SUN) per month.
  • Delta Air Lines - 550 flights to or near Southwest Idaho each month, including 489 flights to Boise Airport (BOI) and 60 flights to Friedman Memorial Airport (SUN) per month.
  • United Airlines - 347 flights to or near Southwest Idaho each month, including 303 flights to Boise Airport (BOI) and 43 flights to Friedman Memorial Airport (SUN) per month.

How can I find cheap tickets to Southwest Idaho?
One of the easiest ways to find cheap tickets to Southwest Idaho is to be flexible with your travel dates. Search for your flights, then click "flexible dates" above the results. It will reveal the cheapest prices for nearby days. The lowest price for a flight to Southwest Idaho in the last seven days was ₩600,400. Booking well ahead of time will generally help you get an even bigger bargain.
How much is a flight to Southwest Idaho?
The price of a round-trip airfare to Southwest Idaho in the last seven days ranged between ₩600,400 and ₩826,900. If you were heading one way from Orange County (SNA), you could have landed a low-cost fare from just ₩342,200.
What are the most popular airports to fly into in Southwest Idaho?
Pack your suitcase and cruise into one of these busy Southwest Idaho airports:

  • Boise Airport (BOI) - 1,994 flights per month.
  • Friedman Memorial Airport (SUN) - 134 flights per month.

When is the cheapest time to fly to Southwest Idaho?
Take off to Southwest Idaho earlier in the week and you'll usually be rewarded with cheaper fares. Tuesday is generally the cheapest day to hop on a plane, followed by Monday. If you'd like to avoid the costliest flights, stay away from Saturdays.
How much is a plane ticket to Southwest Idaho?
In the last seven days, tickets ranged between ₩600,400 and ₩826,900. Scroll through our great deals to Southwest Idaho, pick your favorite and get ready for your next fun vacation!
What months are the cheapest to book a flight to Southwest Idaho?
To bag cheap flights to Southwest Idaho, book sometime in February when the price of fares are at their lowest. The most expensive time to book? In the U.S, it's the month of December.
Flights to Southwest Idaho information
Destination airport
Boise
Destination airport IATA code
BOI
Destination city name
Boise
Roundtrip price
₩600,400
*Available to Expedia members.