Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Washington to Idaho Falls from $86

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Idaho Falls departing on 1/31. 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

Deals available from 900+ travel sites.

"This year, momondo is the #1 place for airfares on the internet."
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Washington to Idaho Falls

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington 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 Washington to Idaho Falls.

Cheap last minute flights

Planning a quick getaway from Washington 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 Washington to Idaho Falls

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

All round-trip flight deals to Idaho Falls

The cheapest plane tickets to Idaho Falls found on KAYAK recently.
11:15 am - 1:56 pmPDX-IDA
1h 41mnonstop
2:46 pm - 3:40 pmIDA-PDX
1h 54mnonstop
$86Allegiant Air
Find Deal
vie., ene. 31 - lun., feb. 3
11:15 am - 1:56 pmPDX-IDA
1h 41mnonstop
2:26 pm - 3:06 pmIDA-PDX
1h 40mnonstop
$93Allegiant Air
Find Deal
lun., feb. 10 - vie., feb. 21
7:55 pm - 10:36 pmSEA-IDA
1h 41mnonstop
8:00 am - 9:05 amIDA-SEA
2h 05mnonstop
$157Alaska Airlines
Find Deal
mié., feb. 26 - mié., mar. 5
5:05 pm - 10:44 pmSEA-IDA
4h 39m1 stop
6:00 am - 9:22 amIDA-SEA
4h 22m1 stop
$177Delta
Find Deal
mié., feb. 5 - sáb., feb. 8
7:55 pm - 10:33 pmSEA-IDA
1h 38mnonstop
4:04 pm - 4:56 pmIDA-SEA
1h 52mnonstop
$187Alaska Airlines
Find Deal
vie., ene. 31 - lun., feb. 3
11:15 am - 1:56 pmPDX-IDA
1h 41mnonstop
9:33 pm - 9:21 amIDA-PDX
12h 48m1 stop
lun., feb. 10 - vie., feb. 21
5:05 pm - 10:44 pmSEA-IDA
4h 39m1 stop
6:58 pm - 12:50 amIDA-SEA
6h 52m1 stop
$197Delta
Find Deal
vie., feb. 7 - lun., feb. 17
5:15 pm - 3:18 pmSEA-IDA
21h 03m2 stops
5:50 pm - 1:32 pmIDA-SEA
20h 42m2 stops
$458United Airlines
Find Deal
vie., ene. 31 - lun., feb. 3
3:25 pm - 3:18 pmSEA-IDA
22h 53m2 stops
5:50 pm - 9:20 pmIDA-SEA
28h 30m3 stops
$473United Airlines
Find Deal
vie., ene. 31 - lun., feb. 3
6:37 pm - 4:33 pmSEA-IDA
20h 56m2 stops
10:30 pm - 5:27 pmIDA-SEA
19h 57m2 stops
jue., may. 1 - dom., may. 4
7:55 pm - 10:36 pmSEA-IDA
1h 41mnonstop
$89Alaska Airlines
Find Deal
dom., feb. 23
5:05 pm - 10:44 pmSEA-IDA
4h 39m1 stop
$99Delta
Find Deal
lun., feb. 3
5:38 pm - 2:37 pmSEA-IDA
19h 59m2 stops
dom., feb. 23
12:51 pm - 3:27 pmSEA-IDA
1h 36mnonstop
$149Alaska Airlines
Find Deal
sáb., ene. 25
5:30 am - 12:30 pmSEA-IDA
6h 00m1 stop
$159Delta
Find Deal
sáb., ene. 25
12:51 pm - 3:27 pmSEA-IDA
1h 36mnonstop
$164Alaska Airlines
Find Deal
lun., feb. 3
5:38 pm - 8:43 pmSEA-IDA
26h 05m3 stops
dom., feb. 23
1:30 pm - 6:17 pmSEA-IDA
3h 47m1 stop
$190Delta
Find Deal
lun., ene. 27
7:00 am - 1:21 pmSEA-IDA
29h 21m2 stops
$235United Airlines
Find Deal
lun., feb. 3
3:25 pm - 3:20 pmSEA-IDA
22h 55m3 stops
$250United Airlines
Find Deal
lun., feb. 3
11:15 am - 1:56 pmPDX-IDA
1h 41mnonstop
2:46 pm - 3:40 pmIDA-PDX
1h 54mnonstop
$86Allegiant Air
Find Deal
vie., ene. 31 - lun., feb. 3
11:15 am - 1:56 pmPDX-IDA
1h 41mnonstop
2:26 pm - 3:06 pmIDA-PDX
1h 40mnonstop
$93Allegiant Air
Find Deal
lun., feb. 10 - vie., feb. 21
2:59 pm - 5:37 pmPDX-IDA
1h 38mnonstop
6:27 pm - 7:07 pmIDA-PDX
1h 40mnonstop
$123Allegiant Air
Find Deal
lun., mar. 17 - vie., mar. 21
12:51 pm - 3:27 pmSEA-IDA
1h 36mnonstop
8:00 am - 9:05 amIDA-SEA
2h 05mnonstop
$177Alaska Airlines
Find Deal
jue., feb. 6 - jue., feb. 13
7:55 pm - 10:33 pmSEA-IDA
1h 38mnonstop
4:04 pm - 4:56 pmIDA-SEA
1h 52mnonstop
$187Alaska Airlines
Find Deal
vie., ene. 31 - lun., feb. 3
7:55 pm - 10:36 pmSEA-IDA
1h 41mnonstop
4:00 pm - 4:59 pmIDA-SEA
1h 59mnonstop
$218Alaska Airlines
Find Deal
sáb., may. 10 - sáb., may. 17
12:54 pm - 3:30 pmSEA-IDA
1h 36mnonstop
8:00 am - 9:05 amIDA-SEA
2h 05mnonstop
$258Alaska Airlines
Find Deal
sáb., feb. 15 - mié., feb. 19
7:55 pm - 10:35 pmSEA-IDA
1h 40mnonstop
4:11 pm - 5:00 pmIDA-SEA
1h 49mnonstop
$268Alaska Airlines
Find Deal
vie., mar. 21 - vie., abr. 4
7:55 pm - 10:33 pmSEA-IDA
1h 38mnonstop
4:04 pm - 4:56 pmIDA-SEA
1h 52mnonstop
$298Alaska Airlines
Find Deal
vie., ene. 24 - sáb., ene. 25
12:51 pm - 3:27 pmSEA-IDA
1h 36mnonstop
4:04 pm - 4:56 pmIDA-SEA
1h 52mnonstop
$307Alaska Airlines
Find Deal
sáb., feb. 1 - sáb., feb. 8

Allegiant Air flights from State of Washington to Idaho Falls

Our best Allegiant Air deals on State of Washington to Idaho Falls flight tickets
Allegiant Air
Jan 31
PDX11:15 amPortland
1h 41m
IDA1:56 pmIdaho Falls Fanning Field
Feb 3
IDA2:46 pmIdaho Falls Fanning Field
1h 54m
PDX3:40 pmPortland
Allegiant Air
Feb 10
PDX11:15 amPortland
1h 41m
IDA1:56 pmIdaho Falls Fanning Field
Feb 21
IDA2:26 pmIdaho Falls Fanning Field
1h 40m
PDX3:06 pmPortland
Allegiant Air
Mar 17
PDX2:59 pmPortland
1h 38m
IDA5:37 pmIdaho Falls Fanning Field
Mar 21
IDA6:27 pmIdaho Falls Fanning Field
1h 40m
PDX7:07 pmPortland

Alaska Airlines flights from State of Washington to Idaho Falls

Our best Alaska Airlines deals on State of Washington to Idaho Falls flight tickets
Alaska Airlines
Feb 26
SEA7:55 pmSeattle/Tacoma Intl
1h 41m
IDA10:36 pmIdaho Falls Fanning Field
Mar 5
IDA8:00 amIdaho Falls Fanning Field
2h 05m
SEA9:05 amSeattle/Tacoma Intl
Alaska Airlines
Jan 31
SEA7:55 pmSeattle/Tacoma Intl
1h 38m
IDA10:33 pmIdaho Falls Fanning Field
Feb 3
IDA4:04 pmIdaho Falls Fanning Field
1h 52m
SEA4:56 pmSeattle/Tacoma Intl
Alaska Airlines
Feb 5
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

See travel insights to Idaho Falls from

How to get the cheapest flight ticket from State of Washington 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 February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $254.

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

Our data shows that Wednesday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $297. 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 $431.

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 State of Washington to Idaho Falls during this time can be as low as $239. Try not to purchase tickets in the morning because they tend to be around $326. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

How far in advance should I book a flight to Idaho Falls?

You are more likely to see cheaper flights to Idaho Falls from State of Washington when booking 55 days ahead of your departure date. In general, you can expect to find flights to Idaho Falls for around $312 when searching 55 days out. However, in the past 72 hours, people saw flights from State of Washington for as low as $211.

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

There are 3 cabin classes available to choose from on Washington 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.

Cheap State of Washington to Idaho Falls flight deals and tips

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

Best Price Found

$89

Fastest flight time

1h 36m

Direct flights

Mon, Tue, Fri, Sat and Sun

Airports in Idaho Falls

1 airport
The best one-way flight to Idaho Falls from State of Washington in the past 72 hours is $89. The best round-trip flight deal from State of Washington to Idaho Falls found on momondo in the last 72 hours is $86.
The fastest flight from State of Washington to Idaho Falls takes 1h 36m
Direct flights go from State of Washington to Idaho Falls on Monday, Tuesday, Friday, Saturday and Sunday. Airlines offering direct flights are: Allegiant Air and Alaska Airlines.
There is 1 airport near Idaho Falls: Idaho Falls Fanning Field (IDA)

  • When did momondo last update prices for flights from Washington to Idaho Falls Fanning Field Airport?

    Prices for flights from Washington to Idaho Falls Fanning Field Airport are updated daily.

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

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

    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 Washington 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 State of Washington to Idaho Falls?


Best airlines flying from State of Washington to Idaho Falls

Compare and see reviews for airlines that fly from State of Washington to Idaho Falls with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $145Free CancellationRating
8.0
9,642 reviews
Search Alaska Airlines flights
DeltaPriceFrom $211Free CancellationRating
8.0
8,501 reviews
Search Delta flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington to Idaho Falls for you.

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

All flight searches from Washington to Idaho Falls on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Washington and Idaho Falls 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 Washington to Idaho Falls right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Idaho Falls, momondo offers a useful price alert feature which will track prices for flights to Idaho Falls from Washington and alert you when they change.


An easier way to manage your Idaho Falls trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
mié. 1/15
mié. 1/22
Email me momondo's favorite deals

Find better results for your trip to the United States