A waterfall cascading into a river surrounded by cliffs and vegetation.

RM506 Cheap Flights to Southwest Idaho

View RM506 flight on Wed, 14 Oct 2026Opens in a new window

Popular airlines

  • Alaska Airlines

  • Delta

  • United

  • American Airlines

  • Southwest Airlines

  • Frontier Airlines

  • Air Canada

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Southwest 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.

Delta
United
American Airlines
China Airlines
Air Canada

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 RM1,168. 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 RM1,168 and RM5,690. If you were heading one way from San Francisco (SFO), you could have landed a low-cost fare from just RM506.
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.
How much is a plane ticket to Southwest Idaho?
In the last seven days, tickets ranged between RM1,168 and RM5,690. Scroll through our great deals to Southwest Idaho, pick your favourite and get ready for your next fun holiday!
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.

Book with confidence

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: more airlines, cheaper flights, and fewer stops. Expedia provides the cheapest flights to Southwest Idaho and you may find even greater savings if you combine your Southwest Idaho flight with a hotel stay!

Expedia is one of the world's leading full-serviced online travel brands which means that Expedia have access to cheap airline tickets. So make sure you check Expedia regularly for these bargain flights because the cheapest airline ticket deals sell out fast.

Expedia is not only free for everyone to use but it quick and easy to use. Find the lowest flight prices guaranteed and book directly through Expedia. Browse through hundreds of cheap flight offers to find the one that suits your budget by simply inputting your travel dates. Expedia will then find the cheapest flights to Southwest Idaho for that period and let you choose your preferred time and airline.

Looking to save even more? Get additional savings by bundling your Southwest Idaho flight with a hotel to create a bargain travel package. Early birds can discover terrific savings by booking in advance while last minute travelers can enjoy great last minute deals. When you book flights with Expedia you can rest assured that you have booked the best Southwest Idaho flight at the lowest possible price!

Travel information

Destination airport
Boise
Destination airport IATA code
BOI
Destination city name
Boise
Return price
RM1,168

Trending flights to Southwest 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

Explore a world of travel with Expedia

*Available to Expedia members.