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SEA - IDA

$134 Find cheap flights from Seattle to Idaho Falls

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Idaho Falls departing on 5/29. 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
0 bags
Thu 6/6
Thu 6/13

Search hundreds of travel sites at once for deals on flights to Idaho Falls

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Idaho Falls, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Idaho Falls, as well as popular online travel agencies
In the last 7 days travelers have searched 42,573,820 times on KAYAK, and here is why:

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Cheap flight deals from Seattle to Idaho Falls (SEA-IDA)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Idaho Falls 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 and deals for you by selecting your travel dates.
Choose your dates
9:15 pm - 11:57 pmSEA-IDA
1h 42mnonstop
3:32 pm - 4:28 pmIDA-SEA
1h 56mnonstop
$272Alaska Airlines
Find Deal
Wed, May 29 - Fri, May 31
9:15 pm - 11:54 pmSEA-IDA
1h 39mnonstop
4:20 pm - 5:10 pmIDA-SEA
1h 50mnonstop
$277Alaska Airlines
Find Deal
Fri, Sep 20 - Mon, Sep 23
9:15 pm - 11:57 pmSEA-IDA
1h 42mnonstop
6:00 am - 6:49 amIDA-SEA
1h 49mnonstop
$307Alaska Airlines
Find Deal
Fri, Jun 7 - Tue, Jun 11
9:15 pm - 11:57 pmSEA-IDA
1h 42mnonstop
4:02 pm - 4:58 pmIDA-SEA
1h 56mnonstop
$322Alaska Airlines
Find Deal
Thu, Jul 18 - Fri, Jul 26
1:30 pm - 6:16 pmSEA-IDA
3h 46m1 stop
7:00 pm - 11:59 pmIDA-SEA
5h 59m1 stop
$412Delta
Find Deal
Fri, Jun 7 - Tue, Jun 11
5:40 am - 12:20 pmSEA-IDA
5h 40m1 stop
7:00 pm - 10:14 pmIDA-SEA
4h 14m1 stop
$452Delta
Find Deal
Thu, Sep 12 - Mon, Sep 16
6:45 pm - 5:14 pmSEA-IDA
21h 29m1 stop
5:55 pm - 9:56 amIDA-SEA
17h 01m1 stop
$524United Airlines
Find Deal
Fri, Sep 20 - Mon, Sep 23
6:45 pm - 9:54 amSEA-IDA
14h 09m1 stop
7:05 am - 11:46 amIDA-SEA
29h 41m2 stops
$559United Airlines
Find Deal
Fri, Aug 30 - Mon, Sep 2
8:40 am - 11:35 amSEA-IDA
25h 55m2 stops
12:05 pm - 8:50 pmIDA-SEA
9h 45m2 stops
$674American Airlines
Find Deal
Wed, May 29 - Fri, May 31
12:18 am - 1:11 pmSEA-IDA
11h 53m1 stop
6:31 am - 8:24 pmIDA-SEA
14h 53m2 stops
$1,283American Airlines
Find Deal
Thu, Aug 29 - Mon, Sep 2

Flights from Seattle to Idaho Falls - Travel Insights & Trends

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

What’s the cheapest day of the week to fly from Seattle to Idaho Falls?

The average price of all flights from Seattle to Idaho Falls clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Seattle to Idaho Falls, look for departures on Wednesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Idaho Falls, Tuesday is the cheapest day to fly and Saturday is the most expensive.

What is the cheapest month to fly from Seattle to Idaho Falls?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Seattle to Idaho Falls, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Seattle to Idaho Falls is March, where tickets cost $262 on average. On the other hand, the most expensive months are June and August, where the average cost of tickets is $420 and $418 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Seattle to Idaho Falls, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Seattle to Idaho Falls, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 52 days before departure.

Which airlines provide the cheapest flights from Seattle to Idaho Falls?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the cheapest one-way ticket from Seattle to Idaho Falls found on KAYAK was with Alaska Airlines for $134. Alaska Airlines proposed a round-trip connection from $272 and Delta from $412.

Which airlines fly non-stop between Seattle and Idaho Falls?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Seattle to Idaho Falls.
There is just one airline that flies from Seattle to Idaho Falls direct and that is Alaska Airlines. The best one-way deal found from Alaska Airlines for the route is $149.

How many flights are there between Seattle and Idaho Falls per day?

Each day, there are between 2 and 3 nonstop flights that take off from Seattle and land in Idaho Falls, with an average flight time of 1h 41m. The most common departure time is 9:00 pm and most flights take off in the evening. Each week, there are 15 flights. The most frequent day of departure is Wednesday, when 20% of all weekly flights depart. The fewest flights depart on a Saturday.

Which cabin class options are there for flights between Seattle and Idaho Falls?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There is only one cabin class option available for the route, which is Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Seattle to Idaho Falls take?

The duration of a nonstop flight to Idaho Falls from Seattle is typically 1h 39m. The journey crosses a distance of 565 miles.

What’s the earliest departure time from Seattle to Idaho Falls?

Early birds can take the earliest flight from Seattle at 12:10 pm and will be landing in Idaho Falls at 2:51 pm.

What’s the latest departure time from Seattle to Idaho Falls?

If you prefer to fly at night, the latest flight from Seattle to Idaho Falls jets off at 9:15 pm and lands at 11:56 pm.

Good to know

Low season

January

High season

April

Cheapest flight

$134
Best time to beat the crowds but there is an average 6% increase in price.
Most popular time to fly and prices are also 21% lower on average.
Flight from Seattle to Idaho Falls

When to book flights from Seattle to Idaho Falls

Are your dates flexible? Find out the best times to travel from Seattle to Idaho Falls based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Idaho Falls

  • What is the cheapest flight from Seattle to Idaho Falls?

    In the last 3 days, the lowest price for a flight from Seattle to Idaho Falls was $134 for a one-way ticket and $272 for a round-trip.

  • Do I need a passport to fly between Seattle and Idaho Falls?

    No

  • Which airlines offer Wi-Fi service onboard planes from Seattle to Idaho Falls?

    Only Alaska Airlines offers inflight Wi-Fi service on the Seattle to Idaho Falls flight route.

  • Which aircraft models fly most regularly from Seattle to Idaho Falls?

    The Embraer 175 is the aircraft model that flies most regularly on the Seattle to Idaho Falls flight route.

  • Which airline alliances offer flights from Seattle to Idaho Falls?

    oneworld is the only airline alliance operating flights between Seattle and Idaho Falls.

  • On which days can I fly direct from Seattle to Idaho Falls?

    There are nonstop flights from Seattle to Idaho Falls on a daily basis.

  • Which is the best airline for flights from Seattle to Idaho Falls, Alaska Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from Seattle to Idaho Falls are Alaska Airlines and Delta. With an average price for the route of $297 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $506 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Seattle to Idaho Falls?

    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 Seattle to Idaho Falls.

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

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

    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 to Idaho Falls with an airline and back to Seattle with another airline. Booking your flights between Seattle and IDA can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Idaho Falls?

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

See more FAQs

Top tips for finding a cheap flight from SEA to Idaho Falls

  • Looking for a cheap flight? 25% of our users found flights on this route for $166 or less one-way and $262 or less round-trip.

Prefer to fly non-stop from Seattle to Idaho Falls?

Find which airlines fly direct from Seattle/Tacoma Intl to Fanning Field, which days they fly and book direct flights.

Nonstop departures

Seattle/Tacoma Intl to Idaho Falls Fanning Field

Monday

Alaska Airlines, Qatar Airways

Alaska Airlines, Qatar Airways

Tuesday

Alaska Airlines, Finnair, Qatar Airways

Alaska Airlines, Finnair, +1 more

Wednesday

Alaska Airlines, Qatar Airways

Alaska Airlines, Qatar Airways

Thursday

Alaska Airlines, Finnair, Qatar Airways

Alaska Airlines, Finnair, +1 more

Friday

Alaska Airlines, Qatar Airways

Alaska Airlines, Qatar Airways

Saturday

Alaska Airlines, Finnair, Qatar Airways

Alaska Airlines, Finnair, +1 more

Sunday

Alaska Airlines, Qatar Airways

Alaska Airlines, Qatar Airways

See more direct flights

Nonstop returns

Idaho Falls Fanning Field to Seattle/Tacoma Intl

Monday

Alaska Airlines, Qatar Airways

Alaska Airlines, Qatar Airways

Tuesday

Alaska Airlines, Finnair, Qatar Airways

Alaska Airlines, Finnair, +1 more

Wednesday

Alaska Airlines, Qatar Airways

Alaska Airlines, Qatar Airways

Thursday

Alaska Airlines, Finnair, Qatar Airways

Alaska Airlines, Finnair, +1 more

Friday

Alaska Airlines, Qatar Airways

Alaska Airlines, Qatar Airways

Saturday

Alaska Airlines, Finnair, Qatar Airways

Alaska Airlines, Finnair, +1 more

Sunday

Alaska Airlines, Qatar Airways

Alaska Airlines, Qatar Airways

See more direct flights
See more direct flights

Top airlines flying from Seattle to Idaho Falls

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Idaho Falls. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Idaho Falls? 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.
8.0
Alaska AirlinesOverall score based on 9137 reviews
7.3Entertainment
7.3Food
8.2Boarding
8.6Crew
7.9Comfort
Airline reviews

Everything was fine -- on time, clear, clean. I don't want to pay extra for in-flight wi-fi

10.0 ExcellentG, May 2024SEA - BOS
Read more about Alaska Airlines reviews

Everything was fine -- on time, clear, clean. I don't want to pay extra for in-flight wi-fi

The flight was delayed because the pilots had not arrived on their previous flight yet. The flight was 100% full so it was pretty crowded. I miss having the screens on the back of the seats. It would be great if the Alaska planes had the clip so you can put your phone or tablet on the back of the seat in front of you to not strain your neck. Everything else was very smooth.

It was fine since it ensure we went to our destination in time.

I bought the cheapest ticket. No meal, no checked luggage so I didn't expect much and was surprised by how good the flight and service was. Alaska is now my favorite airline.

No entertainment, food was cookies & juice,water, soda or coffee.

My baggage was in another flight, anit was delayed for one hour.

The maintenance delay was seemingly handled very poorly... Little to no information was provided to the passengers sitting on board for an extended period of time. On a brighter note, at least the cabin crew (flight attendants) did the best they could. They seemingly were provided very little information with regards to the delay. Unless absolutely beyond my control, I can’t imagine buying a ticket on Alaska airlines again, based on this and a previous experience my wife recently had, along with complaints overheard from other passengers.

The only issue was in the wheelchair waiting area before we got on the plane. They seemed very disorganized. Everyone we encountered after that was great! We loved Cassandra at check-in. She was awesome. The flight attendants were wonderful too! The lady helping with the waiting wheelchair when we got off the plane was awesome too!

Expect to get miles for us having to miss our first planned flight due to them waiting on passengers that decided to be late to the airport.

Up on arrival, due to twisted ankle, I wasn’t able to walk. Requested for a wheelchair. They immediately asked for it. After 10 minutes wait a young man named Carlos picked me up at the gate, got my baggage and took me to the pick up area. It was a great service. Thanks Alaska Air line

Had a broken tray in business class. Crew just shrugged it off.

Everything was great except for the seat. The backrest would not stay in the upright position.

public website still broken for years randomly blocking browsers with privacy options active after loading a page maybe once. check-in on laptop was almost impossible but eventually randomly worked. had to print pass at airport since couldn't get back in to load digital pass on mobile firefox or chrome. red eye flight so smooth onboarding, plenty of room to spread out, easy offboarding. onboard wifi instructions mention vpn can cause problems connecting but fails to also mention private dns. no printed or built in menu list, seems weird to require personal device to point at qr code link for menu which does not even allow direct ordering. people with health condition risk related dietary restrictions trying to avoid for example cholesterol and sugar are left guessing what they can order either way without nutritional info highlights (cranberry juice was minute maid cocktail with as much suger as typical can of soda). tap to pay wasn't working and always seems sketchy to manually enter card info. good movie variety, so limited tv was okay.

Bag drop off was slow and annoying. Only 2 agents at the entire delta desk, and no one directing traffic for what line to be in, many confused people slowed down the process. Boarding was fine. Seats in Delta comfort plus were fine. Snacks were great! Definitely a bonus. The entertainment system was awful — old, slow, not responsive, and completely unable to play games due to some kind of error. But on the other hand, thank you to Delta for the free WiFi. That made it better.

Flight diverted in SD. Later take off in Seattle by 1.3hrs

Mi primera conexión se retrasó por lo cual perdí mi segunda conexión la cual salió adelantada

Crew was not friendly when I went to request a seat change.

There were choices for the snacks. Good choices and tasty lunch and breakfast as well.

The flight crew was amazing. I’m very tall and they moved me to an exit row unsolicited!!! Amazing service.

The boarding process was terrible especially with an indirect flight Chicago to Seattle to San Diego was terrible talking about we overbooked a flight idk if I’d take this airline ever again we got off our flight from Chicago to Seattle and we traveled for business and they told us our connecting flight was over booked and their was no seats asking people to take a delayed next flight and they don’t tell anyone coughing to wear masks seats 30A-B were terrible during the flight no one wants to sit next to people coughing all around I don’t want to be sick traveling for work or get sick anytime it’s very upsetting the staff doesn’t take this stuff serious to tell them to wear masks when they see people coughing and sneezing

Book cheap flights from Seattle to Idaho Falls

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Seattle to Idaho Falls found on KAYAK in the last 72 hours.
5/29Wed
nonstopAlaska Airlines
1h 42mSEA-IDA
$134
6/2Sun
nonstopAlaska Airlines
1h 42mSEA-IDA
$139
6/3Mon
1 stopDelta
3h 49mSEA-IDA
$148
5/29Wed
1 stopDelta
5h 58mSEA-IDA
$188
5/29Wed
nonstopAlaska Airlines
1h 42mSEA-IDA
$209
6/2Sun
1 stopDelta
5h 58mSEA-IDA
$269
5/29Wed
2 stopsUnited Airlines
24h 45mSEA-IDA
$273
5/29Wed
1 stopAmerican Airlines
5h 35mSEA-IDA
$282
5/29Wed
2 stopsAmerican Airlines
25h 55mSEA-IDA
$333
5/29Wed
3 stopsUnited Airlines
19h 56mSEA-IDA
$348

Search by stops

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Last minute flights from Seattle to Idaho Falls

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Seattle to Idaho Falls that are departing in the next 10 days.
5/10Fri
multi-stopDelta
5h 58mSEA-IDA
5/17Fri
multi-stopDelta
4h 21mIDA-SEA
$581
5/10Fri
nonstopAlaska Airlines
1h 41mSEA-IDA
5/17Fri
nonstopAlaska Airlines
1h 56mIDA-SEA
$592
5/8Wed
nonstopAlaska Airlines
1h 41mSEA-IDA
5/10Fri
nonstopAlaska Airlines
1h 54mIDA-SEA
$597
5/10Fri
multi-stopDelta
5h 58mSEA-IDA
5/12Sun
multi-stopDelta
5h 59mIDA-SEA
$616
5/10Fri
multi-stopDelta
5h 58mSEA-IDA
5/17Fri
multi-stopDelta
6h 12mIDA-SEA
$875
5/10Fri
multi-stopDelta
5h 58mSEA-IDA
5/12Sun
multi-stopDelta
6h 12mIDA-SEA
$975
5/10Fri
multi-stopUnited Airlines
13h 29mSEA-IDA
5/17Fri
multi-stopUnited Airlines
9h 23mIDA-SEA
$1,104
5/10Fri
multi-stopAmerican Airlines
22h 07mSEA-IDA
5/12Sun
multi-stopAmerican Airlines
24h 47mIDA-SEA
$1,292
5/9Thu
multi-stopAmerican Airlines
10h 29mSEA-IDA
5/17Fri
multi-stopAmerican Airlines
9h 45mIDA-SEA
$1,445
5/9Thu
multi-stopAmerican Airlines
10h 29mSEA-IDA
5/17Fri
multi-stopAmerican Airlines
5h 52mIDA-SEA
$1,513

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Seattle - Idaho Falls Flights

Departure:

Seattle (SEA)United States

Destination:

Idaho Falls (IDA)United States

Return flight deals:

Idaho Falls - Seattle

Cabin classes:

$656
$123