$49 Find Cheap Flights from Idaho Falls to the United States

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Idaho Falls to the United States departing on 8/3. 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

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Cheap Flights from Idaho Falls to the United States

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours
New York
New York1 stop$297
Los Angeles
Los Angeles1 stop$193
Las Vegas
Las Vegasnonstop$81
Chicago
Chicago1 stop$329
San Francisco
San Francisco1 stop$253
Miami
Miami2 stops$340
Boston
Boston1 stop$396
Fort Lauderdale
Fort Lauderdale2 stops$444
Denver
Denver1 stop$197
Seattle
Seattlenonstop$197
Atlanta
Atlanta1 stop$346
Dallas
Dallas1 stop$211
Tampa
Tampa1 stop$348
Houston
Houston1 stop$252
San Diego
San Diego2 stops$196
Honolulu
Honolulu1 stop$499
Philadelphia
Philadelphia1 stop$349
New York
New York1 stop$297
Los Angeles
Los Angeles1 stop$193
Las Vegas
Las Vegasnonstop$81
Chicago
Chicago1 stop$329
San Francisco
San Francisco1 stop$253
Miami
Miami2 stops$340
Boston
Boston1 stop$396
Fort Lauderdale
Fort Lauderdale2 stops$444
Denver
Denver1 stop$197
Seattle
Seattlenonstop$197
Atlanta
Atlanta1 stop$346
Dallas
Dallas1 stop$211
Tampa
Tampa1 stop$348
Houston
Houston1 stop$252
San Diego
San Diego2 stops$196
Honolulu
Honolulu1 stop$499
Philadelphia
Philadelphia1 stop$349

Book Cheap Idaho Falls to the United States Plane Tickets

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Idaho Falls to the United States 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 from Idaho Falls to the United States

ن, مايو 25 - ن, يونيو 1
Allegiant Air Logo
6:39 pm - 7:20 pm
IDA
-
PDX
1h 41mnonstop
Allegiant Air Logo
3:10 pm - 5:49 pm
PDX
-
IDA
1h 39mnonstop
$94Allegiant Air
ج, يوليو 3 - ن, يوليو 27
Allegiant Air Logo
3:50 pm - 4:26 pm
IDA
-
PDX
1h 36mnonstop
Allegiant Air Logo
12:20 pm - 3:00 pm
PDX
-
IDA
1h 40mnonstop
$96Allegiant Air
ث, يونيو 2 - ج, يونيو 5
Multiple Airlines Logo
4:03 pm - 4:50 pm
IDA
-
PDX
1h 47mnonstop
Multiple Airlines Logo
3:09 pm - 5:49 pm
PDX
-
IDA
1h 40mnonstop
$115Multiple Airlines
س, مايو 23 - ث, مايو 26
Alaska Airlines Logo
4:03 pm - 4:50 pm
IDA
-
PDX
1h 47mnonstop
Alaska Airlines Logo
10:30 am - 1:17 pm
PDX
-
IDA
1h 47mnonstop
$117Alaska Airlines
ن, مايو 11 - ن, مايو 18
Multiple Airlines Logo
10:21 pm - 11:23 am
IDA
-
PHX
14h 02m
1 stop
Multiple Airlines Logo
9:52 am - 3:27 pm
PHX
-
IDA
4h 35m
1 stop
$173Multiple Airlines
ج, مايو 8 - ن, مايو 11
Delta Logo
6:54 pm - 10:40 pm
IDA
-
DEN
3h 46m
1 stop
Delta Logo
5:30 am - 10:47 am
DEN
-
IDA
5h 17m
1 stop
$197Delta
ث, مايو 19 - ث, مايو 26
Alaska Airlines Logo
1:54 pm - 2:56 pm
IDA
-
SEA
2h 02mnonstop
Alaska Airlines Logo
12:35 pm - 3:26 pm
SEA
-
IDA
1h 51mnonstop
$197Alaska Airlines
ث, مايو 5 - ث, مايو 12
Delta Logo
6:58 pm - 11:59 pm
IDA
-
SEA
6h 01m
1 stop
Delta Logo
5:30 am - 10:47 am
SEA
-
IDA
4h 17m
1 stop
$227Delta
ر, أغسطس 12 - ر, أغسطس 19
American Airlines Logo
2:20 pm - 11:28 pm
IDA
-
BNA
8h 08m
1 stop
American Airlines Logo
7:00 am - 1:44 pm
BNA
-
IDA
7h 44m
1 stop
$329American Airlines
ر, سبتمبر 2 - ر, سبتمبر 9
American Airlines Logo
2:20 pm - 11:28 pm
IDA
-
BNA
8h 08m
1 stop
American Airlines Logo
5:34 am - 12:12 pm
BNA
-
IDA
7h 38m
1 stop
$349American Airlines
Booking Insights

KAYAK's insights & trends for Idaho Falls to the United States flights

Get data-powered insights and trends into flights from Idaho Falls to the United States to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Idaho Falls to the United States flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest ticket to the United States from Idaho Falls found in the last 72 hours was to Las Vegas, at $102 round-trip. The most popular route is from Idaho Falls (IDA) to Seattle (SEA), and the cheapest round-trip airline ticket found on this route in the last 72 hours was $257.

Can I save money by flying with a layover from Idaho Falls to the United States?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $358, prices are generally cheapest when you fly direct.

Good to know

Low seasonJuly
Cheapest flight$49
Best time to beat the crowds with an average 7% drop in price.
Most popular time to fly with an average 10% increase in price.
Flight from Idaho Falls to Portland

FAQs - booking United States flights

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

    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 Idaho Falls to the United States.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Idaho Falls to the United States 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 Idaho Falls to the United States?

    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 Idaho Falls to the United States 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 Idaho Falls to the United States?

    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 Idaho Falls to the United States up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Top tips for finding cheap flights to the United States

  • Looking for a cheap flight? 25% of our users found tickets from Idaho Falls to the following destinations at these prices or less: Denver $259 one-way - $369 round-trip; Seattle $254 one-way - $342 round-trip; Salt Lake City $209 one-way - $355 round-trip

Reviews of the top 5 airlines serving from Idaho Falls to the United States

 
Need help choosing which airline to fly with from Idaho Falls to the United States? 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.
7.9
Alaska AirlinesOverall score based on 12202 reviews
7.8Comfort
8.1Boarding
7.0Entertainment
8.5Crew
7.0Food
Airline reviews

The crew was very attentive, boarding was orderly. I really liked the way Alaska Airlines gives boarding passes and dropping off my bags. Very smooth.

10.0 ExcellentAnonymous, Apr 2026
SEA - ATL
Read more Alaska Airlines reviews

The crew was very attentive, boarding was orderly. I really liked the way Alaska Airlines gives boarding passes and dropping off my bags. Very smooth.

I've been loyal to Alaska Airlines for nearly 25 years and before the merger I had much better benefits. However, since the merger with Hawaiian Air, you've bumped me from group A to B or C and I now get poor selection of seats in the back of the plane.

Once we were in the air, the flight was nice and smooth. The flight was about twenty minutes late to begin with, though, and then we needed to wait to land for another plane to land first.

This flight was all good. It was packed, but it took off on time and there were no problems. It would have been nice if they'd checked our bags for free, as they sometimes do.

Pretty smooth ride!… a little tight in the back and would’ve loved to had a movie screen… couldn’t beat the price to the West Coast!

I like not much people. Could tell the kids to be quiet.

Exactly as anticipated. I've always preferred Alaska Airlines over all others.

Crew were bad Didn’t help with luggage When asked for a glass of wine, I was told that they will serve later , which they didn’t to Me and didn’t serve anyone else in First class . Didn’t offer any snacks , Chips or Nuts to anyone . Flight was not crowded either. Worst Service/ or No Service !

A solidly good experience, but would’ve appreciated more communication with regards to travel delays.

Flight crew great! No WiFi not great. Someone took my bag not great!

The flight was smooth, the crew was great but the plane was quite old

Everything was great until I lost my water bottle and they can’t seem to locate it. I know I left it on the plane though.

WiFi didn’t work most of the time. The usb chargers would work only occasionally for 5 mins and wouldn’t charge after that. Had to keep trying repeatedly at each of the seats in the row.

The crew bent over backwards to thank us for flying and make us comfortable. The food service was quick and efficient. The Captain communicated and said goodbye and thank you as we departed. They really stood out!

Okay considering we had weather delays which the Pilot notified us of immediately!

Generally on time departures and arrivals, clean planes, sky miles membership provides great benefits (complimentary upgrades, etc).

Flight from Fort Wayne to Atlanta was the smallest in terms of cabin space that I've ever seen. A carry on I've used for 20 years BARELY fit in overhead compartment. I'm 5'10" and felt very cramped. Not the best experience.

I am writing to express my dissatisfaction with the poor service and unprofessional staff we encountered when traveling with an infant. Our flight was delayed, and the gate staff failed to manage the boarding process appropriately. Due to incorrect, unavailable, or missing 'pink tag' stroller and car seat check-in procedures at the gate, we were forced to board last. Furthermore, the gate staff was rude and dismissive, causing significant distress to our infant. To make matters worse, one of our checked items—an infant sleeper/lounger—was returned to us broken. Given the unsafe handling of essential equipment and unprofessional treatment, I expect a prompt resolution regarding compensation for the damaged items.

We departed and landed early which was a nice surprise. The boarding process was slow.

N Everything was perfect from boarding to assistance to baggage in Tampa

Very comfortable flight, snacks and drinks were good, good communication from crew. Could have used a little more information on timing of boarding for group 5

Great flight. Got to watch a movie. Smooth flight and early arrival at ORD.

This was the first flight in the morning. We boarded fine. The cabin door was closed and we were ready to go. We were notified by the Captain that ATC issued and ground stop for 40 minutes. So, without even pushing back from the gate, we were already 40 minutes late. We actually were released to push-back and taxi at 30 minutes. But, some passengers had tight connections and were not going to make their connections. Some passengers asked about the delay and the effect on the connections and were told by the cabin attendant that all flights will be delayed and so they should be OK. However, that was not true. My connecting flight was on time and I arrived at IAH with 21 minutes to make my connection. I did and I'm happy about that, but the flight crew should not have given assurances to the passengers who might have missed their connections.

Poor communication, flight was delayed for preventable reasons. I missed my connection.

It was better than excellent. The staff in Mason City were great. The young woman that pushed my wheelchair did more than could be expected of her. She came from India 17 years ago. I don't remember her name.

After arriving in Chicago, we were taxiing for 1.5 hours with infrequent and untruthful updates about the amount of time it would take to arrive at the gate. Minimally, the team could have provided timing expectations that were more truthful, especially one their original expectations were not met.

Flights were on time actually early service was good and crew cheerful

Every staff member was professional, friendly and courteous. The pizza twist was ok. It was warm but too much dough.

I had a terrible experience. My flight got delayed from Atlanta to Chicago on Monday April 6, 2026, and that led to me missing my next flight to Brussels. United Airlines didn’t provide me with any accommodation for shelter. I had to sleep at the airport in Chicago. The next flight I was put on didn’t leave until the evening hours of Tuesday 4/7/2026.

Boarding was again a "free for all". We were boarding group 4, and almost the entire plane was able to board before us. It's a shame that someone who follows the rules, gets the short end of the stick. Not fair.

just had water and there was plenty of leg & seat room. But then i don't weight 220#s!!

Not totally their fault- screaming kids that had zero parent intervention.

It was cold on the flight. The crew was very pleasant. I didn't order any food. We were delayed due to Captain waiting on maintenance log. He kept us informed though. The flight itself was smooth. I would definitely fly with Allegiant again!

I had a fantastic experience with Allegiant. I had wheelchair assistance and they helped me find my luggage and brought me to my car. Even loaded my luggage. Wonderful service!! Thank you Allegiant!

Superb. Staff great. Great flight. As with other airlines, seating too tight and restrictive.

There is not one likable thing about this airline. It’s starts with the deceptive pricing and continues through the whole flight. The worst staff I’ve ever experienced way over priced bags absolutely no food or drink (unacceptable and you should be embarrassed) the seats are cramped and uncomfortable there is no entertainment there is nothing about this trash airline that constitutes any amount of money. It’s worse than spirit and way more expensive it is disgraceful. Do not travel with Allegiant I repeat do not bother no matter what they say the price is it is never ever going to be the right choice I’m mind blown at how awful the entire experience was I’m embarrassed that I chose so poorly I cannot reiterate enough how beyond horrible this company and its staff are, not one person on this flight or at the airport is qualified to sweep up trash on a city sidewalk they should certainly never be given any job that requires a brain or manners or communication with human beings, what a disgrace to the human race. Your criminal chiselers and should be put out to pasture

Great flight. Friendly staff. Free snacks and drinks would be nice. I would love fewer taxes and fees added on.

My 90 year old father flew with me. He needed wheel chair assistance and is nearly deaf. The staff was amazing with him.

It was fine. Nobody was outstandingly friendly but no one was rude and everything was smooth . The captain thanked us for flying but no one greeted me as I walked on the plane or as I exited which is the least they could do lol

Clean, friendly, roomy. But check-in from the phone link was terrible. Repeated attempts wouldn’t save at the final step. Just kept spinning! It was very frustrating. Finally, I used the app (vs website link) to check-in which worked very smoothly on the first attempt.

Air condition was not working for long both after boarding and also after landing ; unbearably hot and suffocating

On time flight, good communication about boarding, lines didn't form unnecessarily for boarding before their group was announced (kept aisles clear), friendly flight attendants and service

Flight was extremely hot and they made us check our bags when the space was nowhere near full

Everything was excellent and I enjoyed myself. Thank for everything

THe flight was an hour late. You got us on the plan and we sat on the ground for 45 minutes with no information from the pilot whatsoever. Worst flight this year.

Boarding was quick and efficient. We arrived at our destination early.

I'm not sure American is capable of on-time arrivals and departures. When you land at ORD, you almost always get held on the tarmac because your gate is still occupied. I may have missed my connection, but that ended up up being significantly delayed as well. Once again, I finally got home well after midnight.

Same plane as RDU to LGA — internet not working. Pilot issue of some sort at end of prior flight - I was on same plane for my connection. Late/delayed —

Good flight, seated and had a water within 5 minutes. Crew was hospitable.

Message about flight cancelation was received late due to being in the air. No explanation, just canceled and booked on morning flight. We had to stay in the airport overnight because there was no transportation offered to get to the hotel that AA had available. Actual inflight was fine.

Everything you need to know for your flight from Idaho Falls to the United States

Information on your arrival and departure airports