$27 Find Cheap Flights to Idaho

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from the United States to Idaho departing on 12/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Idaho

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Idaho
These are the airlines KAYAK users have selected most often from within our search results for flights to Idaho
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Flight Deals

Cheap Flights to Idaho

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
Boise
Boisenonstop$82
Idaho Falls
Idaho Fallsnonstop$159
Hailey
Haileynonstop$119
Lewiston
Lewistonnonstop$169
Twin Falls
Twin Falls1 stop$306
Pocatello
Pocatello1 stop$325
Spokane
Spokanenonstop$69
Boise
Boisenonstop$82
Idaho Falls
Idaho Fallsnonstop$159
Hailey
Haileynonstop$119
Lewiston
Lewistonnonstop$169
Twin Falls
Twin Falls1 stop$306
Pocatello
Pocatello1 stop$325
Spokane
Spokanenonstop$69

Book Cheap Idaho Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights to Idaho that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals to Idaho

Thu, Dec 4 - Sun, Dec 7
Frontier Logo
9:42 am - 11:49 amDEN-BOI
2h 07mnonstop
Frontier Logo
12:44 pm - 2:45 pmBOI-DEN
2h 01mnonstop
$82Frontier
Find Deal
Fri, Dec 5 - Sun, Dec 7
Frontier Logo
9:42 am - 11:49 amDEN-BOI
2h 07mnonstop
Frontier Logo
12:44 pm - 2:45 pmBOI-DEN
2h 01mnonstop
$98Frontier
Find Deal
Fri, Dec 19 - Sun, Dec 21
Delta Logo
7:10 am - 8:33 amSEA-GEG
1h 23mnonstop
Delta Logo
5:00 am - 6:23 amGEG-SEA
1h 23mnonstop
$99Delta
Find Deal
Thu, Feb 5 - Sun, Feb 8
United Airlines Logo
7:49 pm - 9:22 pmDEN-GEG
2h 33mnonstop
United Airlines Logo
5:00 am - 8:33 amGEG-DEN
2h 33mnonstop
$117United Airlines
Find Deal
Sat, Dec 20 - Thu, Dec 25
Alaska Airlines Logo
11:20 pm - 12:32 amSEA-GEG
1h 12mnonstop
Alaska Airlines Logo
10:17 am - 11:35 amGEG-SEA
1h 18mnonstop
$117Alaska Airlines
Find Deal
Fri, Dec 19 - Thu, Dec 25
Alaska Airlines Logo
9:15 pm - 11:37 pmSEA-BOI
1h 22mnonstop
Alaska Airlines Logo
9:55 am - 10:38 amBOI-SEA
1h 43mnonstop
$118Alaska Airlines
Find Deal
Mon, Dec 8 - Thu, Dec 11
Delta Logo
10:59 pm - 12:11 amSEA-GEG
1h 12mnonstop
Delta Logo
6:05 am - 7:45 amGEG-SEA
1h 40mnonstop
$119Delta
Find Deal
Thu, Dec 4 - Sat, Dec 6
American Airlines Logo
4:45 pm - 11:08 pmLAX-GEG
6h 23m1 stop
American Airlines Logo
6:35 am - 12:09 pmGEG-LAX
5h 34m1 stop
$196American Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 15
United Airlines Logo
7:45 am - 9:59 amDEN-BOI
2h 14mnonstop
United Airlines Logo
9:40 am - 11:45 amBOI-DEN
2h 05mnonstop
$197United Airlines
Find Deal
Thu, Dec 4 - Tue, Dec 9
American Airlines Logo
6:10 am - 1:38 pmLAX-BOI
6h 28m1 stop
American Airlines Logo
2:09 pm - 6:18 pmBOI-LAX
5h 09m1 stop
$206American Airlines
Find Deal
Booking Insights

KAYAK's insights & trends for flights to Idaho

Get data-powered insights and trends for flights to Idaho to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest flight to Idaho?

These are the best round-trip prices found by users searching on KAYAK in the last 72 hours.

The cheapest ticket to Idaho from the United States found in the last 72 hours was to Idaho Falls, at $50 round-trip. The most popular route is Atlanta (ATL) to Boise (BOI) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $54.

How much is a flight to Idaho?

The average and cheapest price for all round-trip flights to Idaho from each origin found by users searching on KAYAK in the last month.

A flight to Idaho costs $283 on average. The cheapest price found on KAYAK in the last 2 weeks was $45 for the route Oakland (OAK) to Boise (BOI). The most popular routes on KAYAK are Denver to Boise which costs $268 on average, and Santa Ana to Boise, which costs $286 on average.

See prices from:

What is the cheapest month to fly from the United States to Idaho?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from the United States to Idaho, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from the United States to Idaho is March, when tickets cost $305 (return) on average. On the other hand, the most expensive months are December and November, when the average cost of round-trip tickets is $892 and $580 respectively.

Which is the cheapest airport to fly into in Idaho?

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in Idaho is Boise Air Term. Gowen Fld Airport (BOI), with an average flight price of $203.

Good to know

Low seasonJanuary
Cheapest flight$27
Best time to beat the crowds with an average 5% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from Denver to Boise

FAQs - booking Idaho flights

  • I'm traveling to Twin Falls. Which airport do I fly into?

    The closest airport to Twin Falls is the Magic Valley Regional Airport, just 10m from the city center. But keep in mind that this airport is only served by flights from Salt Lake City International Airport, which means that if you're traveling from another city, you'll have to account for a layover. Alternatively, if you prefer to choose from fewer flights but want more airlines and routes to choose from, you can fly into Boise Airport or Friedman Memorial Airport.

  • Which airport do I fly into when traveling to Pocatello?

    The closest airport to Pocatello is the Pocatello Regional Airport, which is around 15 min from the city center. Keep in mind that this airport is served only by nonstop flights from Salt Lake City. If you want more options when it comes to routes and airlines, we suggest you fly into Idaho Falls Regional Airport, which is about a 50 min drive away.

  • Are there nonstop flights to Idaho from New York?

    All flights from New York to Idaho require a layover in another American city. If you're not sure where you're traveling in Idaho yet, you can choose Salt Lake City International Airport as your layover destination. Nonstop flights depart regularly from this airport to all airports in Idaho. If you're going to Boise or Idaho Falls, a better option would be to book a flight with a layover at Chicago O'Hare International Airport (ORD).

  • I'm going to Sun Valley. Which airport do I fly into?

    The closest airport to Sun Valley is the Friedman Memorial Airport, about 26 min by car. When searching for your trip, keep in mind that Friedman receives regular nonstop flights from Seattle and Salt Lake City, and seasonal nonstop flights from Los Angeles, Chicago, Denver, and San Francisco.

  • How does KAYAK find such low prices on flights from the United States to Idaho?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from the United States to Idaho.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from the United States to Idaho?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from the United States to Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from the United States to Idaho?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from the United States to Idaho with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from the United States to Idaho?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from the United States to Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Idaho?

    Based on KAYAK data, the cheapest day to fly to Idaho is Friday where round-trip tickets can be as cheap as $381. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $505 on average.

  • What is the cheapest time of day to fly to Idaho?

    The cheapest time of day to fly to Idaho is generally in the afternoon, when round-trip flights cost $177 on average. Morning departures are around 3% cheaper than evening flights, on average. The most expensive time of day to fly to Idaho is generally in the evening, which is peak travel time and where the average cost of a ticket is $306.

Top tips for finding cheap flights to Idaho

  • Looking for cheap airfare to Idaho? 25% of our users found round-trip tickets to Idaho for the following prices or less: From Las Vegas $112, from Denver $197, from Los Angeles $260
  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Idaho flight deals.
  • Boise Airport (BOI) and Idaho Falls Regional Airport (IDA), both located in the southern half of the state, and the Friedman Memorial Airport (SUN) are the three main airports that serve the state of Idaho. When searching for nonstop flights to Idaho, if you want the most airlines and routes to choose from, you must select one of these three airports.
  • All airports in Idaho have a regular flight connection at Salt Lake City International Airport (SLC). For the regional airports, Salt Lake City is the only layover possible.
  • If you are planning your trip to Idaho in July, you should take into account Idaho’s international Choral Festival. This festival takes place every year and lasts approximately five days. Hundreds of musicians travel to Idaho for this special occasion. Keep in mind that this may affect the availability of your tickets.
  • Passengers traveling to Idaho Falls should fly into Idaho Falls Regional Airport (10 min drive from Idaho Falls). Even if you need a layover, it will pay off. The Boise airport is a 4h drive, and Friedman Memorial Airport is 2h 20m away by car.
  • For passengers traveling with pets, select Boise Airport when searching for flights to Idaho; it's the only airport in the state that has a pet relief area.

Reviews of the top 5 airlines flying to Idaho

 
See real verified KAYAK customer reviews for airlines flying to Idaho. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline from the United States to Idaho. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from the United States to Idaho? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 11260 reviews
7.1Food
8.1Boarding
7.0Entertainment
7.8Comfort
8.5Crew
Airline reviews

Hate this airline. Uncomfortable seats, no screens, no good food.

2.0 Mediocrecharles, Nov 2025SLC - SEA
Read more Alaska Airlines reviews

Hate this airline. Uncomfortable seats, no screens, no good food.

Should have been forthcoming for reason for delay. Should have been able to check in for seat I'd like.

It was fine. It was a 30 minute flight so there was water or fruit juice and no food. Which was totally fine. The check in, gate and flight crew were all excellent.

I didn’t order food so can’t really say how it was. Overall, it was a great experience.

Boarding was good. Alaska Airlines is good. On time good. clean. The little bag of peanuts was horrible.

Have mounted entertainment for long flights instead of making customers use their own equipment

I've never flied them before but liked them. Weather was bad so a little scarey but they did a great job landing.

It was all good, no delays which was a worry. All great

If they actually let me fly. I was rerouted to United and there was no Alaska airlines reps at all. Then the lady who worked the delta counter told me to go away and figure things out myself. Horrible experience.

Pretzels are always a disappointment. Cheezits, Sun Chips, trail mix, anything else would be nice.

Had to get off plane from prior flight even though I had to reboard same plane to continue to my final destination.

Everything a cheap airline should be at normal airline rates.

Plane crashed into a bus or some other vehicle on the ground while pulling out of the gate. No injuries, but wing tip was damaged and returned to gate for “maintenance issues” and we departed 5 hours later because the plane went out of service and new plane was flown in from a nearby airport, Midway.

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

Full cans of soda would be nice. A choice between two snacks would be appreciated.

Tried watching free movie and it kept freezing so I couldn’t finish.

All was good. I just had a hard time getting connected to the WiFi/internet during the flight

Sacrament staff are always polite and helpful. Airport is easy to maneuver and boarding is straightforward.

Great flight. Outstanding Service. Southwest was able to put us on a direct flight to Denver when the connection could have been affected by a later arrival to Baltimore. The direct flight was less expensive that the flight with the connection in Baltimore.

Delays delays delays. Late taking off, late landing, wait for a gate, etc.

Flight delayed then cancelled. Misplaced luggage. Still do not have. Rented car 1100 mile drive. I had to buy some overnight Hotels clothes toiletries gas food at my expense. Still not home. Not sure where luggage is. Over 4 hours on hold to Felta

I truly love flying with Delta. They have always treated me with the upmost respect

Our flight attendant in FIRST CLASS was one of the worst I’ve ever had. She was not at all pleasant, nor particularly good at her service.

Everything went well and was good. Nothing exceptional, but no complaints either. Cheap seats are pretty comfortable.

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

They ended up paying for the bag twice, but the counter wouldn't take my baggage receipt. Left it to me to resolve. Not sure how to resolve the issue.

The customer service before board was very rude and when I expressed my concerns about making the connecting flight she laughed and told me I bought the wrong ticket. I explained once it showed the flight was delayed it no longer let me change seats or anything. I was trying to upgrade to make sure I would get to the next gate on time.

Non stop on long haul is the way to go. Great experience

The flight used a B767 with a very old interior from before 2014. The entertainment system did not work at all during the flight despite attempts to reset the system. It was like they flew this route just to be competitive.

They changed planes and the new plane couldn’t carry enough fuel to fly across the country so we had to stop in Kansas City to refuel. Flight was delayed .

Older aircraft, no meal, only food was for purchase. Not impressed United.

United needs to step up their game. Delayed flight leaving Seattle, San Francisco. Older aircraft, not very comfortable.

Always wish for more healthy, gluten free options. We have to bring our own.

Having a long layover, I was very appreciative of the ability to stand by for an earlier flight. Other airlines like Delta have refused this to me in the past, just to be mean (because my ticket class wasn't high enough). United went out of their way to help me get to my destination early, which I really appreciated given that it was the third leg of a 24+ hour journey for me.

Other than a way way too cold cabinets for the entire flight, all was great

One bag is incorrect and not acceptable for an international flight. The food was not just good. I won't fly with them again.

Not pleasant trip cross country when the entertainment and WiFi system not working. No entertainment for entirety of route. Staff was rather nonchalant in that they dismissed the problem due to age of plane. It would have been nice to know this up front so I could have come prepared to read or download movies before boarding Coincidentally or not, there was a similar issue with the entertainment system on my previous flight I took on my fist leg of the trip. There are no seat TVs, so you must rely on the app when it works. United can do better. Also, what use it it to pay for boarding group 2 when half of the passengers are in the same line as you?

Plane boarded early a quickly, was mostly full. We left close to on time. And landed early.

Premium Plus is a really good idea for longer flights

7 hours delayed due to operational issues on United’s end. Basically laziness.

Baggage handling poor. Second time this has happened. My bag went to San Francisco instead of Fiji. No apology. Luckily Nadi airport staff are fantastic. My bag arrived in Fiji the next day.

We loved the steward on the plane. He made the night enjoyable

I enjoyed the extra leg room compared to other airlines. The first stewards made my daughter’s birthday special by giving her an extra snack. Then the last one coming home from Chicago to Appleton made our night really enjoyable Thanks for making our trip enjoyable

The flight was smooth, the pilot kept us informed about delays and we arrived more of less on time

Flight delay was communicated before leaving for airport which caused it to be a non-event. Great flight and crew!

Did not get any refreshments. Crew was very nice but limited. Small seats

Wish some foods provided rather than just biscuit/cookie for flight more than 2 hours

Wish a flight with more than 2 hours with some snack rather than just cookie/biscuit.

The flight attendant, a black woman with curly hair who sat near Row 21, was wonderful and kind.

It was good..clean, comfy seat. Friendly warm welcoming crew. Was able to check my cabin luggage at the gate which I was able to pickup in a decent time from baggage claim. The app gave all updates from delays to baggage claim info. Overall smooth flight.

Everything you need to know for your flight to Idaho

Cabin class types available on flights to Idaho

Cabin classes available on flights to Idaho. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.