A sunset over a lake with mountains in the background.

Cheap Flights to Northern Idaho

View ₩718,400 flight on Thu, Oct 1, 2026Opens in a new window

Popular airlines

  • Delta

  • KLM

  • Air France

  • Korean Air

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 40% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

How much is the cheapest flight to Northern Idaho?

Prices were available within the past 7 days and start at ₩718,400 for one-way flights and ₩1,334,000 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Delta
Delta
Asiana Airlines
JIN AIR
JIN AIR
JIN AIR
All Nippon Airways
Japan Airlines
Delta

Frequently asked questions

How do I find cheap flights to Northern Idaho that have flexible change policies?
Search for your affordable flights to Northern Idaho, then check the "No change fee" box below the "Flexible change policies" subheading. From then on it's smooth sailing. We understand that plans can change and flexibility is important, so book with confidence with Expedia.
Which airlines fly to Northern Idaho?
A good selection of airlines fly to destinations in or close to Northern Idaho. Your trip is only clicks away with these leading carriers:
  • Alaska Airlines - 1,431 flights to or near Northern Idaho each month, including 754 flights to Boise Airport (BOI) and 676 flights to Spokane Intl. Airport (GEG) per month.
  • Delta Air Lines - 996 flights to or near Northern Idaho each month, including 507 flights to Spokane Intl. Airport (GEG) and 489 flights to Boise Airport (BOI) per month.
  • Southwest Airlines - 541 flights to or near Northern Idaho each month, including 273 flights to Boise Airport (BOI) and 268 flights to Spokane Intl. Airport (GEG) per month.
How can I find cheap tickets to Northern Idaho?
To get your hands on a great deal to Northern Idaho, book well ahead. Also consider using Expedia's "flexible dates" link at the top of your search results. This will show you the cheapest prices for nearby days. In the last seven days, ₩1,334,000 was the best price for a flight to Northern Idaho.
How much is a flight to Northern Idaho?
You could have purchased a round-trip airfare to Northern Idaho from anywhere between ₩1,334,000 and ₩3,221,700 in the last seven days. For one-way trips departing from Seoul (ICN), the lowest amount paid during this time was just ₩718,400.
What are the most popular airports to fly into in Northern Idaho?
Which of these Northern Idaho airports you'll arrive at will depend largely on your chosen carrier and what you plan to see in the region:
  • Boise Airport (BOI) - 1,994 flights per month.
  • Spokane Intl. Airport (GEG) - 1,742 flights per month.
When is the cheapest time to fly to Northern Idaho?
Fly out on a Tuesday to better your chances of getting the cheapest fare to Northern Idaho. Mondays are usually the second most affordable day to take off. Saturday is typically the most expensive day to fly anywhere.
How much is a plane ticket to Northern Idaho?
In the last seven days, tickets to Northern Idaho varied between ₩1,334,000 and ₩3,221,700. Prices depend on multiple things, particularly the time of departure, carrier, cabin class and when the fare is booked.
What months are the cheapest to book a flight to Northern Idaho?
To score a bargain flight to Northern Idaho, try to book during February when the price of tickets are at their cheapest. What time of year is expensive? In the U.S, it's December.

Book with confidence

Searching for cheap flights to Northern Idaho? No travel company presents more choices than Expedia if you're looking to compare flights to Northern 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 Northern Idaho.

Travel information

Destination airport
Spokane Intl.
Destination airport IATA code
GEG
Destination city name
Spokane
Roundtrip price
₩1,307,400

Trending flights to Northern Idaho

Prices were available within the past 7 days and start at ₩718,400 for one-way flights and ₩1,334,000 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
*Available to Expedia members.