Cheap flights from the United States to Idaho Falls from $105

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Idaho Falls departing on 12/12. 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 the United States to Idaho Falls

Recent round-trip flight deals from the United States to Idaho Falls

United Airlines Logo
7:07 pm - 8:52 pmDEN-IDA
1h 45mnonstop
United Airlines Logo
5:56 pm - 7:40 pmIDA-DEN
1h 44mnonstop
$189United Airlines
Find Deal
jue., oct. 2 - lun., oct. 6
United Airlines Logo
9:05 pm - 10:49 pmDEN-IDA
1h 44mnonstop
United Airlines Logo
5:00 am - 6:56 amIDA-DEN
1h 56mnonstop
$194United Airlines
Find Deal
jue., sep. 25 - mar., sep. 30
Hawaiian Airlines Logo
7:55 pm - 10:38 pmSEA-IDA
1h 43mnonstop
Hawaiian Airlines Logo
6:00 am - 7:11 amIDA-SEA
2h 11mnonstop
$197Hawaiian Airlines
Find Deal
mar., oct. 14 - sáb., oct. 18
Delta Logo
3:54 pm - 10:19 pmDEN-IDA
6h 25m1 stop
Delta Logo
6:00 am - 9:23 amIDA-DEN
3h 23m1 stop
$209Delta
Find Deal
mié., nov. 19 - dom., nov. 23
Alaska Airlines Logo
9:15 pm - 11:59 pmSEA-IDA
1h 44mnonstop
Alaska Airlines Logo
3:50 pm - 4:54 pmIDA-SEA
2h 04mnonstop
$211Alaska Airlines
Find Deal
mar., nov. 4 - dom., nov. 9
Alaska Airlines Logo
7:55 pm - 10:39 pmSEA-IDA
1h 44mnonstop
Alaska Airlines Logo
4:15 pm - 5:12 pmIDA-SEA
1h 57mnonstop
$227Alaska Airlines
Find Deal
vie., oct. 3 - sáb., oct. 4
Delta Logo
3:54 pm - 10:19 pmDEN-IDA
6h 25m1 stop
Delta Logo
6:00 am - 9:23 amIDA-DEN
3h 23m1 stop
$229Delta
Find Deal
mié., nov. 19 - dom., nov. 23
Hawaiian Airlines Logo
7:55 pm - 10:39 pmSEA-IDA
1h 44mnonstop
Hawaiian Airlines Logo
4:15 pm - 5:12 pmIDA-SEA
1h 57mnonstop
$258Hawaiian Airlines
Find Deal
vie., oct. 3 - mar., oct. 7
American Airlines Logo
5:45 am - 12:25 pmDEN-IDA
6h 40m1 stop
American Airlines Logo
12:55 pm - 7:26 pmIDA-DEN
6h 31m1 stop
$280American Airlines
Find Deal
vie., oct. 24 - sáb., oct. 25
American Airlines Logo
3:08 pm - 10:03 pmDEN-IDA
6h 55m1 stop
American Airlines Logo
5:35 am - 11:19 amIDA-DEN
5h 44m1 stop
$351American Airlines
Find Deal
lun., feb. 9 - mié., feb. 11

Delta flights from United States to Idaho Falls

Our best Delta deals on United States to Idaho Falls flight tickets
Delta
Nov 19
DEN3:54 pmDenver Intl
6h 25m
1 stop
IDA10:19 pmIdaho Falls Fanning Field
Nov 23
IDA6:00 amIdaho Falls Fanning Field
3h 23m
1 stop
DEN9:23 amDenver Intl
Delta
Nov 19
DEN3:54 pmDenver Intl
6h 25m
1 stop
IDA10:19 pmIdaho Falls Fanning Field
Nov 23
IDA6:00 amIdaho Falls Fanning Field
3h 23m
1 stop
DEN9:23 amDenver Intl
Delta
Nov 19
DEN6:20 pmDenver Intl
3h 59m
1 stop
IDA10:19 pmIdaho Falls Fanning Field
Nov 23
IDA6:00 amIdaho Falls Fanning Field
5h 07m
1 stop
DEN11:07 amDenver Intl

United Airlines flights from United States to Idaho Falls

Our best United Airlines deals on United States to Idaho Falls flight tickets
United Airlines
Oct 2
DEN7:07 pmDenver Intl
1h 45m
IDA8:52 pmIdaho Falls Fanning Field
Oct 6
IDA5:56 pmIdaho Falls Fanning Field
1h 44m
DEN7:40 pmDenver Intl
United Airlines
Sep 25
DEN9:05 pmDenver Intl
1h 44m
IDA10:49 pmIdaho Falls Fanning Field
Sep 30
IDA5:00 amIdaho Falls Fanning Field
1h 56m
DEN6:56 amDenver Intl
United Airlines
Sep 25
DEN8:00 amDenver Intl
1h 48m
IDA9:48 amIdaho Falls Fanning Field
Sep 30
IDA2:35 pmIdaho Falls Fanning Field
1h 48m
DEN4:23 pmDenver Intl

momondo Fare Finder

 
Customize your flight search to find flights from United States to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from the United States to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

jue. 10/2

7:07 pm-8:52 pm

Nonstop1h 45m

Idaho Falls Fanning Field

lun. 10/6

5:56 pm-7:40 pm

Nonstop1h 44m

$189

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

jue. 9/25

9:05 pm-10:49 pm

Nonstop1h 44m

Idaho Falls Fanning Field

mar. 9/30

5:00 am-6:56 am

Nonstop1h 56m

$194

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

mar. 10/14

7:55 pm-10:38 pm

Nonstop1h 43m

Idaho Falls Fanning Field

sáb. 10/18

6:00 am-7:11 am

Nonstop2h 11m

$197

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

mié. 11/19

3:54 pm-10:19 pm

1 stop6h 25m

Idaho Falls Fanning Field

dom. 11/23

6:00 am-9:23 am

1 stop3h 23m

$209

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

mar. 11/4

9:15 pm-11:59 pm

Nonstop1h 44m

Idaho Falls Fanning Field

dom. 11/9

3:50 pm-4:54 pm

Nonstop2h 04m

$211

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

vie. 10/3

7:55 pm-10:39 pm

Nonstop1h 44m

Idaho Falls Fanning Field

sáb. 10/4

4:15 pm-5:12 pm

Nonstop1h 57m

$227

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

mié. 11/19

3:54 pm-10:19 pm

1 stop6h 25m

Idaho Falls Fanning Field

dom. 11/23

6:00 am-9:23 am

1 stop3h 23m

$229

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

vie. 10/3

7:55 pm-10:39 pm

Nonstop1h 44m

Idaho Falls Fanning Field

mar. 10/7

4:15 pm-5:12 pm

Nonstop1h 57m

$258

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

vie. 10/24

5:45 am-12:25 pm

1 stop6h 40m

Idaho Falls Fanning Field

sáb. 10/25

12:55 pm-7:26 pm

1 stop6h 31m

$280

DenverIdaho Falls

DEN - IDA

DENIDA

Denver Intl

lun. 2/9

3:08 pm-10:03 pm

1 stop6h 55m

Idaho Falls Fanning Field

mié. 2/11

5:35 am-11:19 am

1 stop5h 44m

$351

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Idaho Falls from

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

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 Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $519.

What is the cheapest day to depart on your flight to Idaho Falls?

Our data shows that Tuesday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $567. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Sunday is $877.

What is the cheapest time of day to depart on your flight to Idaho Falls?

Our most recent data shows that the best time of day to fly to Idaho Falls is in the afternoon. Flights from United States to Idaho Falls during this time can be as low as $655. Try not to purchase tickets in the morning because they tend to be around $783. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Fly from Denver Intl to Idaho Falls Fanning Field for the best United States - Idaho Falls Fanning Field flight prices

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

There are 3 cabin classes available to choose from on United States to Idaho Falls Fanning Field flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Idaho Falls flights?

No. A direct flight is the cheapest option for a flight between United States to Idaho Falls.

Cheap United States to Idaho Falls flight deals and tips

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

Best Price Found

$45

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Idaho Falls

1 airport
The best one-way flight to Idaho Falls from United States in the past 72 hours is $45. The best round-trip flight deal from United States to Idaho Falls found on momondo in the last 72 hours is $105.
The fastest flight from United States to Idaho Falls takes 1h 35m
Direct flights go from United States to Idaho Falls every day.
There is 1 airport near Idaho Falls: Idaho Falls Fanning Field (IDA)
  • When did momondo last update prices for flights from United States to Idaho Falls Fanning Field Airport?

    Prices for flights from United States to Idaho Falls Fanning Field Airport refresh daily.

  • How many operators does momondo search for flights from United States to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from United States to Idaho Falls Fanning Field Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Idaho Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents required for your trip to Idaho Falls Fanning Field Airport 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 Idaho Falls Fanning Field Airport. 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 United States to Idaho Falls?

Best airlines flying from United States to Idaho Falls

Compare and see reviews for airlines that fly from United States to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $44Free CancellationRating
7.2
702 reviews
Search Allegiant Air flights
DeltaPriceFrom $149Free CancellationRating
7.9
7,960 reviews
Search Delta flights
United AirlinesPriceFrom $213Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $219Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $370Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

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

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

momondo does allow users to show only those flights to Idaho Falls from United States which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from United States to Idaho Falls.

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

If you are not ready to book a flight from United States to Idaho Falls now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Idaho Falls and let you know when they change.

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1 adult
sáb. 10/11
sáb. 10/18

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