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Cheap flights from Seattle to Idaho Falls from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Idaho Falls departing on 12/19. 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 Seattle to Idaho Falls

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to Idaho Falls that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Seattle to Idaho Falls.

Cheap last minute flights

Planning a quick getaway from Seattle to Idaho Falls? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Idaho Falls, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Seattle to Idaho Falls

Find recent round-trip train or bus tickets from Seattle to Idaho Falls.

All round-trip flight deals to Idaho Falls

The cheapest plane tickets to Idaho Falls found on KAYAK recently.
12:51 pm - 3:27 pmSEA-IDA
1h 36mnonstop
4:04 pm - 4:56 pmIDA-SEA
1h 52mnonstop
$177Alaska Airlines
Find Deal
Sat, Feb 1 - Sat, Feb 8
9:15 pm - 11:59 pmSEA-IDA
1h 44mnonstop
6:00 am - 7:17 amIDA-SEA
2h 17mnonstop
$208Alaska Airlines
Find Deal
Fri, Dec 27 - Wed, Jan 1
5:05 pm - 10:44 pmSEA-IDA
4h 39m1 stop
6:00 am - 9:45 amIDA-SEA
4h 45m1 stop
$226Delta
Find Deal
Wed, Jan 8 - Sun, Jan 12
5:30 am - 12:30 pmSEA-IDA
6h 00m1 stop
6:00 am - 9:45 amIDA-SEA
4h 45m1 stop
$237Delta
Find Deal
Sat, Feb 1 - Sat, Feb 8
12:51 pm - 3:27 pmSEA-IDA
1h 36mnonstop
8:00 am - 9:10 amIDA-SEA
2h 10mnonstop
$238Alaska Airlines
Find Deal
Fri, Jan 17 - Mon, Jan 20
12:18 pm - 3:02 pmSEA-IDA
1h 44mnonstop
6:00 am - 7:19 amIDA-SEA
2h 19mnonstop
$248Alaska Airlines
Find Deal
Mon, Dec 9 - Thu, Dec 12
9:21 pm - 11:28 amSEA-IDA
13h 07m1 stop
6:25 pm - 12:10 amIDA-SEA
30h 45m3 stops
Thu, Dec 5 - Mon, Dec 9
5:15 am - 10:01 pmSEA-IDA
15h 46m2 stops
6:25 pm - 12:10 amIDA-SEA
30h 45m3 stops
Thu, Dec 5 - Mon, Dec 9
3:18 pm - 9:52 amSEA-IDA
17h 34m1 stop
4:20 pm - 11:20 amIDA-SEA
20h 00m2 stops
$410United Airlines
Find Deal
Sat, Feb 1 - Sat, Feb 8
3:25 pm - 9:52 amSEA-IDA
17h 27m2 stops
4:20 pm - 11:20 amIDA-SEA
20h 00m2 stops
$445United Airlines
Find Deal
Sat, Feb 1 - Sat, Feb 8
9:15 pm - 11:59 pmSEA-IDA
1h 44mnonstop
$119Alaska Airlines
Find Deal
Thu, Dec 19
9:15 pm - 11:59 pmSEA-IDA
1h 44mnonstop
$149Alaska Airlines
Find Deal
Sun, Jan 5
9:21 pm - 1:33 pmSEA-IDA
15h 12m1 stop
Sun, Jan 5
7:10 pm - 9:51 amSEA-IDA
13h 41m1 stop
$243United Airlines
Find Deal
Thu, Dec 19
3:11 pm - 9:51 amSEA-IDA
17h 40m2 stops
$283United Airlines
Find Deal
Thu, Dec 19
9:21 pm - 7:44 pmSEA-IDA
21h 23m2 stops
Sun, Jan 5
6:11 am - 1:33 pmSEA-IDA
30h 22m3 stops
Sun, Jan 5
9:20 pm - 11:56 pmSEA-IDA
1h 36mnonstop
$294Alaska Airlines
Find Deal
Fri, Nov 29
5:10 pm - 10:53 pmSEA-IDA
4h 43m1 stop
$308Delta
Find Deal
Fri, Nov 29
5:15 am - 12:26 pmSEA-IDA
6h 11m1 stop
$449Delta
Find Deal
Thu, Dec 19
9:20 pm - 11:56 pmSEA-IDA
1h 36mnonstop
6:00 am - 7:10 amIDA-SEA
2h 10mnonstop
$518Alaska Airlines
Find Deal
Fri, Nov 22 - Sat, Nov 23
5:10 pm - 10:53 pmSEA-IDA
4h 43m1 stop
7:04 pm - 12:15 amIDA-SEA
6h 11m1 stop
$536Delta
Find Deal
Sat, Nov 23 - Sun, Nov 24
12:34 pm - 3:12 pmSEA-IDA
1h 38mnonstop
3:49 pm - 4:54 pmIDA-SEA
2h 05mnonstop
$668Alaska Airlines
Find Deal
Fri, Nov 22 - Sun, Nov 24
9:20 pm - 11:59 pmSEA-IDA
1h 39mnonstop
6:00 am - 7:10 amIDA-SEA
2h 10mnonstop
$738Alaska Airlines
Find Deal
Thu, Nov 21 - Fri, Nov 22
1:35 pm - 6:24 pmSEA-IDA
3h 49m1 stop
7:04 pm - 11:03 pmIDA-SEA
4h 59m1 stop
$747Delta
Find Deal
Fri, Nov 22 - Sat, Nov 23
11:10 pm - 12:23 pmSEA-IDA
12h 13m2 stops
7:04 pm - 10:24 pmIDA-SEA
4h 20m1 stop
$845Delta
Find Deal
Thu, Nov 21 - Fri, Nov 22
5:30 am - 12:23 pmSEA-IDA
5h 53m1 stop
6:10 am - 9:39 amIDA-SEA
4h 29m1 stop
$917Delta
Find Deal
Thu, Nov 21 - Sat, Nov 23
5:00 am - 5:18 pmSEA-IDA
11h 18m1 stop
7:00 am - 11:11 pmIDA-SEA
17h 11m1 stop
$965United Airlines
Find Deal
Thu, Nov 21 - Sat, Nov 23
5:00 am - 5:18 pmSEA-IDA
11h 18m1 stop
10:55 am - 11:44 pmIDA-SEA
13h 49m2 stops
$970United Airlines
Find Deal
Thu, Nov 21 - Sat, Nov 23
5:36 am - 5:18 pmSEA-IDA
10h 42m2 stops
7:00 am - 9:07 pmIDA-SEA
15h 07m2 stops
$1,145United Airlines
Find Deal
Thu, Nov 21 - Sat, Nov 23
12:51 pm - 3:27 pmSEA-IDA
1h 36mnonstop
4:04 pm - 4:56 pmIDA-SEA
1h 52mnonstop
$177Alaska Airlines
Find Deal
Sat, Feb 1 - Sat, Feb 8
9:15 pm - 11:59 pmSEA-IDA
1h 44mnonstop
6:00 am - 7:17 amIDA-SEA
2h 17mnonstop
$208Alaska Airlines
Find Deal
Fri, Dec 27 - Wed, Jan 1
12:51 pm - 3:27 pmSEA-IDA
1h 36mnonstop
8:00 am - 9:10 amIDA-SEA
2h 10mnonstop
$238Alaska Airlines
Find Deal
Fri, Jan 17 - Mon, Jan 20
12:18 pm - 3:02 pmSEA-IDA
1h 44mnonstop
6:00 am - 7:19 amIDA-SEA
2h 19mnonstop
$248Alaska Airlines
Find Deal
Mon, Dec 9 - Thu, Dec 12
9:20 pm - 11:59 pmSEA-IDA
1h 39mnonstop
6:00 am - 7:19 amIDA-SEA
2h 19mnonstop
$298Alaska Airlines
Find Deal
Thu, Dec 5 - Mon, Dec 9
12:19 pm - 2:56 pmSEA-IDA
1h 37mnonstop
3:34 pm - 4:31 pmIDA-SEA
1h 57mnonstop
$308Alaska Airlines
Find Deal
Tue, Dec 31 - Fri, Jan 3
12:51 pm - 3:27 pmSEA-IDA
1h 36mnonstop
4:04 pm - 4:56 pmIDA-SEA
1h 52mnonstop
$327Alaska Airlines
Find Deal
Sat, Feb 1 - Sat, Feb 8
12:51 pm - 3:27 pmSEA-IDA
1h 36mnonstop
8:00 am - 9:10 amIDA-SEA
2h 10mnonstop
$358Alaska Airlines
Find Deal
Sat, Feb 1 - Fri, Feb 7
9:20 pm - 11:56 pmSEA-IDA
1h 36mnonstop
6:00 am - 7:19 amIDA-SEA
2h 19mnonstop
$388Alaska Airlines
Find Deal
Mon, Dec 2 - Mon, Dec 9
9:15 pm - 11:59 pmSEA-IDA
1h 44mnonstop
4:04 pm - 4:56 pmIDA-SEA
1h 52mnonstop
$442Alaska Airlines
Find Deal
Fri, Jan 3 - Fri, Jan 10

Alaska Airlines flights from Seattle to Idaho Falls

Our best Alaska Airlines deals on Seattle to Idaho Falls flight tickets
Alaska Airlines
Feb 1
SEA12:51 pmSeattle/Tacoma Intl
1h 36m
IDA3:27 pmIdaho Falls Fanning Field
Feb 8
IDA4:04 pmIdaho Falls Fanning Field
1h 52m
SEA4:56 pmSeattle/Tacoma Intl
Alaska Airlines
Dec 27
SEA9:15 pmSeattle/Tacoma Intl
1h 44m
IDA11:59 pmIdaho Falls Fanning Field
Jan 1
IDA6:00 amIdaho Falls Fanning Field
2h 17m
SEA7:17 amSeattle/Tacoma Intl
Alaska Airlines
Jan 17
SEA12:51 pmSeattle/Tacoma Intl
1h 36m
IDA3:27 pmIdaho Falls Fanning Field
Jan 20
IDA8:00 amIdaho Falls Fanning Field
2h 10m
SEA9:10 amSeattle/Tacoma Intl

United Airlines flights from Seattle to Idaho Falls

Our best United Airlines deals on Seattle to Idaho Falls flight tickets
United Airlines
Feb 1
SEA3:18 pmSeattle/Tacoma Intl
17h 34m
1 stop
IDA9:52 amIdaho Falls Fanning Field
Feb 8
IDA4:20 pmIdaho Falls Fanning Field
20h 00m
2 stops
SEA11:20 amSeattle/Tacoma Intl
United Airlines
Feb 1
SEA3:25 pmSeattle/Tacoma Intl
17h 27m
2 stops
IDA9:52 amIdaho Falls Fanning Field
Feb 8
IDA4:20 pmIdaho Falls Fanning Field
20h 00m
2 stops
SEA11:20 amSeattle/Tacoma Intl
United Airlines
Jan 17
SEA6:00 pmSeattle/Tacoma Intl
14h 52m
1 stop
IDA9:52 amIdaho Falls Fanning Field
Jan 20
IDA2:28 pmIdaho Falls Fanning Field
21h 52m
2 stops
SEA11:20 amSeattle/Tacoma Intl

See travel insights to Idaho Falls from

How to get the cheapest flight ticket from Seattle 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 from Seattle to Idaho Falls?

March. The cheapest time of year to fly to Idaho Falls from Seattle is March. Most expensive is August

What is the cheapest day to depart Seattle for Idaho Falls?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday

When is the cheapest time to fly from Seattle to Idaho Falls?

In the afternoon. Seattle to Idaho Falls flights are approximately 27% more expensive in the morning than in the afternoon

What is the cheapest Seattle to Idaho Falls flight route?

Seattle/Tacoma Intl - Idaho Falls Fanning Field. Fly from Seattle/Tacoma Intl to Idaho Falls Fanning Field for the best Seattle - Idaho Falls flight prices

How far in advance should you book Seattle to Idaho Falls flights?

55 days before. The cheapest time to buy a flight from Seattle to Idaho Falls is approximately 55 days to departure

Can stopping save me money on Seattle to Idaho Falls flights?

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

How have Seattle to Idaho Falls flight prices changed over time?

As of November 2024, prices for Seattle to Idaho Falls flights are approximately 55% cheaper when compared to flights at the same time last year.

What is the typical price of a round-trip flight between Seattle and Idaho Falls?


When to book flights from Seattle to Idaho Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Idaho Falls according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Idaho Falls (SEA to IDA) flight deals and tips

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

Best Price Found

$119

Fastest flight time

1h 36m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Idaho Falls

1 airport
The best one-way flight to Idaho Falls from Seattle in the past 72 hours is $119. The best round-trip flight deal from Seattle to Idaho Falls found on momondo in the last 72 hours is $177.
The fastest flight from Seattle to Idaho Falls takes 1h 36m
Direct flights go from Seattle to Idaho Falls on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. The only airline offering direct flights is Alaska Airlines.
There is 1 airport near Idaho Falls: Idaho Falls Fanning Field (IDA)

  • How far is Seattle/Tacoma Intl to Idaho Falls Fanning Field by plane?

    There are 574.1 mi between Seattle/Tacoma Intl and Idaho Falls Fanning Field. Flights usually cover this in 1h 36m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Idaho Falls Fanning Field Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Idaho Falls Fanning Field Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Idaho Falls Fanning Field Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Idaho Falls Fanning Field Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport 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 you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Idaho Falls?

  • What is the most popular airline from Seattle to Idaho Falls?


Best airlines flying from Seattle to Idaho Falls

Compare and see reviews for airlines that fly from Seattle to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $190Free CancellationRating
8.0
9,461 reviews
Search Alaska Airlines flights
DeltaPriceFrom $211Free CancellationRating
8.0
8,756 reviews
Search Delta flights
  • Alaska Airlines Flights From Seattle to Idaho Falls

    Alaska Airlines flight deals from Seattle to Idaho Falls start from $190 round-trip. Over the 8 Alaska Airlines flights for this route in a normal week, average airfare is usually $309 round-trip - but some users have found much cheaper deals with momondo.


Why use momondo?

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

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

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

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

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

Once all potential Seattle to Idaho Falls flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Seattle 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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