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Cheap flights from Idaho to the United States from $43

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to the United States departing on 5/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Idaho to the United States

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Idaho to the United States.
Allegiant Air Logo
10:23 am - 12:46 pmGEG-LAS
2h 23mnonstop
Allegiant Air Logo
6:10 am - 8:38 amLAS-GEG
2h 28mnonstop
$78Allegiant Air
Find Deal
Sun, May 18 - Thu, May 22
Allegiant Air Logo
10:23 am - 12:46 pmGEG-LAS
2h 23mnonstop
Allegiant Air Logo
6:10 am - 8:38 amLAS-GEG
2h 28mnonstop
$79Allegiant Air
Find Deal
Sun, May 18 - Thu, May 29
Spirit Airlines Logo
12:16 pm - 1:03 pmBOI-LAS
1h 47mnonstop
Spirit Airlines Logo
8:35 am - 11:21 amLAS-BOI
1h 46mnonstop
$90Spirit Airlines
Find Deal
Mon, May 12 - Fri, May 16
Spirit Airlines Logo
9:36 am - 10:28 amBOI-LAS
1h 52mnonstop
Spirit Airlines Logo
6:00 am - 8:41 amLAS-BOI
1h 41mnonstop
$101Spirit Airlines
Find Deal
Fri, Jun 13 - Mon, Jun 16
 Logo
12:16 pm - 1:03 pmBOI-LAS
1h 47mnonstop
 Logo
7:21 pm - 10:10 pmLAS-BOI
1h 49mnonstop
Mon, May 12 - Tue, May 13
 Logo
12:16 pm - 1:03 pmBOI-LAS
1h 47mnonstop
 Logo
8:34 pm - 11:24 pmLAS-BOI
1h 50mnonstop
Mon, Jun 9 - Wed, Jun 11
Hawaiian Airlines Logo
5:39 pm - 6:09 pmBOI-SEA
1h 30mnonstop
Hawaiian Airlines Logo
8:15 pm - 10:42 pmSEA-BOI
1h 27mnonstop
$131Hawaiian Airlines
Find Deal
Tue, May 27 - Tue, May 27
Delta Logo
8:46 am - 9:30 amBOI-SEA
1h 44mnonstop
Delta Logo
10:35 am - 1:10 pmSEA-BOI
1h 35mnonstop
$137Delta
Find Deal
Sat, May 31 - Wed, Jun 4
Delta Logo
4:59 pm - 5:35 pmBOI-SEA
1h 36mnonstop
Delta Logo
7:55 pm - 10:29 pmSEA-BOI
1h 34mnonstop
$147Delta
Find Deal
Thu, May 15 - Tue, May 20
Hawaiian Airlines Logo
6:30 am - 7:07 amBOI-SEA
1h 37mnonstop
Hawaiian Airlines Logo
8:15 pm - 10:39 pmSEA-BOI
1h 24mnonstop
$167Hawaiian Airlines
Find Deal
Sun, May 11 - Tue, May 13

Spirit Airlines flights from Idaho to United States

Our best Spirit Airlines deals on Idaho to United States flight tickets
Spirit Airlines
May 12
BOI12:16 pmBoise Air Term. Gowen Fld
1h 47m
LAS1:03 pmLas Vegas Harry Reid Intl
May 16
LAS8:35 amLas Vegas Harry Reid Intl
1h 46m
BOI11:21 amBoise Air Term. Gowen Fld
Spirit Airlines
Jun 13
BOI9:36 amBoise Air Term. Gowen Fld
1h 52m
LAS10:28 amLas Vegas Harry Reid Intl
Jun 16
LAS6:00 amLas Vegas Harry Reid Intl
1h 41m
BOI8:41 amBoise Air Term. Gowen Fld
Spirit Airlines
May 9
BOI12:16 pmBoise Air Term. Gowen Fld
1h 47m
LAS1:03 pmLas Vegas Harry Reid Intl
May 12
LAS8:35 amLas Vegas Harry Reid Intl
1h 46m
BOI11:21 amBoise Air Term. Gowen Fld

Delta flights from Idaho to United States

Our best Delta deals on Idaho to United States flight tickets
Delta
May 31
BOI8:46 amBoise Air Term. Gowen Fld
1h 44m
SEA9:30 amSeattle/Tacoma Intl
Jun 4
SEA10:35 amSeattle/Tacoma Intl
1h 35m
BOI1:10 pmBoise Air Term. Gowen Fld
Delta
May 15
BOI4:59 pmBoise Air Term. Gowen Fld
1h 36m
SEA5:35 pmSeattle/Tacoma Intl
May 20
SEA7:55 pmSeattle/Tacoma Intl
1h 34m
BOI10:29 pmBoise Air Term. Gowen Fld
Delta
May 15
BOI7:35 amBoise Air Term. Gowen Fld
1h 44m
SEA8:19 amSeattle/Tacoma Intl
May 18
SEA9:59 pmSeattle/Tacoma Intl
1h 32m
BOI12:31 amBoise Air Term. Gowen Fld

See travel insights to the United States from

How to get the cheapest flight ticket from Idaho to United States

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to United States?

In general, January is the cheapest month to fly from Idaho to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $350. If you aren’t able to travel during the month of January, then book flights to United States from Idaho during April instead. Flights to United States in April, while not as cheap as those in January, still average around $358.

What is the cheapest day to depart on your flight to United States?

According to our data, Wednesday is the cheapest day to fly to United States from Idaho. The lowest ticket price found for a Wednesday departure recently was $391. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $551. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

What is the cheapest time of day to depart on your flight to United States?

The cheapest time of day to fly to United States is at noon when flights can be purchased for as low as $414. Try not to purchase tickets in the morning because they tend to be around $503. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Idaho to United States flight route?

Fly from Idaho Falls Fanning Field to Las Vegas Harry Reid Intl for the best Idaho - United States flight prices

What cabin class options are available on Idaho to United States flights?

There are 4 cabin classes available to choose from on Idaho to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Idaho to United States flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to United States

Best Price Found

$43

Fastest flight time

1h 29m

Direct flights

Every day

Airports in United States

5 airports
The best one-way flight to United States from Idaho in the past 72 hours is $43. The best round-trip flight deal from Idaho to United States found on momondo in the last 72 hours is $78.
The fastest flight from Idaho to United States takes 1h 29m
Direct flights go from Idaho to United States every day.
There are 5 airports near United States: Los Angeles (LAX), Santa Ana J. Wayne/Orange Cnty (SNA), Denver Intl (DEN), Seattle/Tacoma Intl (SEA), Las Vegas Harry Reid Intl (LAS)

  • When did momondo last update prices for flights from Idaho to United States?

    Prices for flights from Idaho to United States are refreshed on a daily basis.

  • How many operators does momondo search for flights from Idaho to United States?

  • How old do you have to be to fly from Idaho to United States?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to United States.

  • What documentation or ID do you need to fly to United States?

    The travel and health documents required for your trip to United States can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United States. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Idaho to United States?


Best airlines flying from Idaho to United States

Compare and see reviews for airlines that fly from Idaho to United States with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $47Free CancellationRating
6.3
7,926 reviews
Search Spirit Airlines flights
FrontierPriceFrom $58Free CancellationRating
6.0
3,281 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $69Free CancellationRating
7.9
2,380 reviews
Search Hawaiian Airlines flights
Allegiant AirPriceFrom $76Free CancellationRating
7.3
734 reviews
Search Allegiant Air flights
DeltaPriceFrom $117Free CancellationRating
8.0
7,916 reviews
Search Delta flights
Alaska AirlinesPriceFrom $128Free CancellationRating
8.0
9,887 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $157Free CancellationRating
7.4
8,667 reviews
Search United Airlines flights
SouthwestPriceFrom $165Free CancellationRating
8.0
4,280 reviews
Search Southwest flights
American AirlinesPriceFrom $198Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to United States?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Idaho to United States. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Idaho to United States with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Idaho to United States flights to just show those with flexible booking policies.

How can momondo help me find flights from Idaho to United States?

momondo helps you find the best flight between Idaho and United States by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Idaho to United States right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Idaho to United States flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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