Flights to Southwest Idaho, Idaho from NT$3,485

View NT$2,307 flight on Sat, 2025/9/27Opens 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 NT$2,307 for one-way flights and NT$3,485 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, Aug 30 - Sat, Sep 6
SEA
Seattle
BOI
Boise
NT$3,485 Roundtrip, found 1 day ago
NT$3,485
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Aug 30 from Seattle to Boise, returning Sat, Sep 6, priced at NT$3,485 found 1 day ago
Delta
Sat, Aug 23 - Sun, Aug 24
SEA
Seattle
BOI
Boise
NT$4,080 Roundtrip, found 1 day ago
NT$4,080
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Aug 23 from Seattle to Boise, returning Sun, Aug 24, priced at NT$4,080 found 1 day ago
United
Sat, Aug 30 - Sat, Sep 6
SEA
Seattle
BOI
Boise
NT$7,041 Roundtrip, found 1 day ago
NT$7,041
Roundtrip
found 1 day ago
Select United flight, departing Sat, Aug 30 from Seattle to Boise, returning Sat, Sep 6, priced at NT$7,041 found 1 day ago
Hawaiian Airlines
Mon, Aug 11 - Tue, Aug 12
EWR
New York
BOI
Boise
NT$21,118 Roundtrip, found 6 days ago
NT$21,118
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Mon, Aug 11 from New York to Boise, returning Tue, Aug 12, priced at NT$21,118 found 6 days ago
Alaska Airlines
Sat, Aug 30 - Sat, Sep 6
PAE
Seattle
BOI
Boise
NT$21,960 Roundtrip, found 1 day ago
NT$21,960
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Seattle to Boise, returning Sat, Sep 6, priced at NT$21,960 found 1 day ago

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 NT$3,485. 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 NT$3,485 and NT$21,960. If you were heading one way from Seattle (SEA), you could have landed a low-cost fare from just NT$2,307.
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 NT$3,485 and NT$21,960. 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
NT$3,485
*Available to Expedia members.