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Cheap flights from Seattle to Idaho from $68

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 departing on 1/29. 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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Hawaiian Airlines Logo
11:15 pm - 12:23 am
SEA
-
GEG
1h 08mnonstop
Hawaiian Airlines Logo
5:45 am - 7:06 am
GEG
-
SEA
1h 21mnonstop
$89Hawaiian Airlines
Thu, Jan 22 - Sun, Jan 25
Hawaiian Airlines Logo
8:17 pm - 9:25 pm
SEA
-
GEG
1h 08mnonstop
Hawaiian Airlines Logo
5:45 am - 7:06 am
GEG
-
SEA
1h 21mnonstop
$90Hawaiian Airlines
Thu, Jan 22 - Sun, Jan 25
Alaska Airlines Logo
9:52 pm - 11:04 pm
SEA
-
GEG
1h 12mnonstop
Alaska Airlines Logo
5:45 am - 7:06 am
GEG
-
SEA
1h 21mnonstop
$98Alaska Airlines
Fri, Jan 23 - Sun, Jan 25
Alaska Airlines Logo
12:43 pm - 3:10 pm
SEA
-
BOI
1h 27mnonstop
Alaska Airlines Logo
1:55 pm - 2:39 pm
BOI
-
SEA
1h 44mnonstop
$99Alaska Airlines
Wed, Jan 28 - Wed, Feb 4
Alaska Airlines Logo
11:30 am - 12:44 pm
SEA
-
GEG
1h 14mnonstop
Alaska Airlines Logo
7:30 am - 8:53 am
GEG
-
SEA
1h 23mnonstop
$99Alaska Airlines
Fri, Feb 6 - Sun, Feb 8
Delta Logo
10:20 am - 12:55 pm
SEA
-
BOI
1h 35mnonstop
Delta Logo
10:39 am - 11:35 am
BOI
-
SEA
1h 56mnonstop
$139Delta
Sun, Feb 1 - Thu, Feb 5
Delta Logo
10:55 am - 1:30 pm
SEA
-
SUN
1h 35mnonstop
Delta Logo
12:40 pm - 6:30 pm
SUN
-
SEA
6h 50m1 stop
$149Delta
Fri, Mar 13 - Tue, Mar 17
Southwest Logo
6:05 am - 3:20 pm
SEA
-
BOI
8h 15m1 stop
Southwest Logo
5:35 am - 11:55 am
BOI
-
SEA
7h 20m1 stop
$151Southwest
Wed, Jan 28 - Sat, Jan 31
Multiple Airlines Logo
9:23 pm - 3:31 pm
SEA
-
IDA
17h 08m1 stop
Multiple Airlines Logo
4:20 pm - 6:18 pm
IDA
-
SEA
26h 58m2 stops
$218Multiple Airlines
Thu, Feb 19 - Mon, Mar 2
Multiple Airlines Logo
9:23 pm - 3:31 pm
SEA
-
IDA
17h 08m1 stop
Multiple Airlines Logo
4:20 pm - 6:18 pm
IDA
-
SEA
26h 58m2 stops
$239Multiple Airlines
Thu, Feb 19 - Mon, Mar 2

Delta flights from Seattle to Idaho

Our best Delta deals on Seattle to Idaho flight tickets
Delta
Jan 30
SEA7:21 amSeattle/Tacoma Intl
1h 19m
GEG8:40 amSpokane
Feb 6
GEG7:30 pmSpokane
1h 20m
SEA8:50 pmSeattle/Tacoma Intl
$99
Find similar
Delta
Feb 13
SEA7:30 pmSeattle/Tacoma Intl
1h 26m
BOI9:56 pmBoise Air Term. Gowen Fld
Feb 20
BOI5:15 pmBoise Air Term. Gowen Fld
1h 51m
SEA6:06 pmSeattle/Tacoma Intl
$119
Find similar
Delta
Mar 13
SEA10:55 pmSeattle/Tacoma Intl
1h 07m
GEG12:02 amSpokane
Mar 15
GEG6:15 amSpokane
1h 23m
SEA7:38 amSeattle/Tacoma Intl
$129
Find similar

Hawaiian Airlines flights from Seattle to Idaho

Our best Hawaiian Airlines deals on Seattle to Idaho flight tickets
Hawaiian Airlines
Jan 22
SEA11:15 pmSeattle/Tacoma Intl
1h 08m
GEG12:23 amSpokane
Jan 25
GEG5:45 amSpokane
1h 21m
SEA7:06 amSeattle/Tacoma Intl
$89
Find similar
Hawaiian Airlines
Jan 22
SEA7:50 pmSeattle/Tacoma Intl
3h 02m
1 stop
GEG10:52 pmSpokane
Jan 25
GEG6:00 amSpokane
8h 39m
1 stop
SEA2:39 pmSeattle/Tacoma Intl
$223
Find similar
Hawaiian Airlines
Jan 18
SEA9:59 amSeattle/Tacoma Intl
5h 08m
1 stop
BOI4:07 pmBoise Air Term. Gowen Fld
Jan 24
BOI5:55 pmBoise Air Term. Gowen Fld
1h 38m
SEA6:33 pmSeattle/Tacoma Intl
$248
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Idaho 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 January 2, 2026.
Use the filters below to find and compare flights from Seattle to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSpokane

SEA - GEG

SEAGEG

Seattle/Tacoma Intl

Thu 1/22

11:15 pm-12:23 am

Nonstop1h 08m

Spokane

Sun 1/25

5:45 am-7:06 am

Nonstop1h 21m

$89

SeattleSpokane

SEA - GEG

SEAGEG

Seattle/Tacoma Intl

Thu 1/22

8:17 pm-9:25 pm

Nonstop1h 08m

Spokane

Sun 1/25

5:45 am-7:06 am

Nonstop1h 21m

$90

SeattleSpokane

SEA - GEG

SEAGEG

Seattle/Tacoma Intl

Fri 1/23

9:52 pm-11:04 pm

Nonstop1h 12m

Spokane

Sun 1/25

5:45 am-7:06 am

Nonstop1h 21m

$98

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 1/28

12:43 pm-3:10 pm

Nonstop1h 27m

Boise Air Term. Gowen Fld

Wed 2/4

1:55 pm-2:39 pm

Nonstop1h 44m

$99

SeattleSpokane

SEA - GEG

SEAGEG

Seattle/Tacoma Intl

Fri 2/6

11:30 am-12:44 pm

Nonstop1h 14m

Spokane

Sun 2/8

7:30 am-8:53 am

Nonstop1h 23m

$99

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Sun 2/1

10:20 am-12:55 pm

Nonstop1h 35m

Boise Air Term. Gowen Fld

Thu 2/5

10:39 am-11:35 am

Nonstop1h 56m

$139

SeattleHailey

SEA - SUN

SEASUN

Seattle/Tacoma Intl

Fri 3/13

10:55 am-1:30 pm

Nonstop1h 35m

Hailey Sun Valley-Friedman

Tue 3/17

12:40 pm-6:30 pm

1 stop6h 50m

$149

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Wed 1/28

6:05 am-3:20 pm

1 stop8h 15m

Boise Air Term. Gowen Fld

Sat 1/31

5:35 am-11:55 am

1 stop7h 20m

$151

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

Thu 2/19

9:23 pm-3:31 pm

1 stop17h 08m

Idaho Falls Fanning Field

Mon 3/2

4:20 pm-6:18 pm

2 stops26h 58m

$218

SeattleIdaho Falls

SEA - IDA

SEAIDA

Seattle/Tacoma Intl

Thu 2/19

9:23 pm-3:31 pm

1 stop17h 08m

Idaho Falls Fanning Field

Mon 3/2

4:20 pm-6:18 pm

2 stops26h 58m

$239

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho from

How to get the cheapest flight ticket from Seattle to Idaho

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?

In general, January is the cheapest month to fly from Seattle to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $157. If you don’t want to visit Idaho in January, then you should wait until April to fly from Seattle, when ticket prices are also cheap, with an average price of $197.

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

Our data shows that Thursday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $197. On the other hand, Sunday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $293.

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

According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from Seattle to Idaho at noon for as low as $206. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Idaho, so prices are often more expensive at around $209 per ticket.

What is the cheapest Seattle/Tacoma Intl to Idaho flight route?

Fly from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld for the best Seattle/Tacoma Intl - Idaho flight prices

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

You are more likely to see cheaper flights to Idaho from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $206 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from Seattle for as low as $164 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Idaho flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Idaho 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 Seattle to Idaho flights?

You could potentially save up to 2% on your flight if you consider stops on a Seattle to Idaho flight.

Cheap Seattle to Idaho flight deals and tips

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

Best Price Found

$69

Fastest flight time

1h 04m

Direct flights

Every day

Airports in Idaho

27 airports
The best one-way flight to Idaho from Seattle in the past 72 hours is $69. The best round-trip flight deal from Seattle to Idaho found on momondo in the last 72 hours is $119.
The fastest flight from Seattle to Idaho takes 1h 04m
Direct flights go from Seattle to Idaho every day.
There are 27 airports in Idaho. From Seattle there are direct flights to Spokane (GEG), Lewiston Nez Perce Rgnl (LWS), Boise Air Term. Gowen Fld (BOI).
Search flight deals

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

    Prices for flights from Seattle/Tacoma Intl Airport to Idaho are updated daily.

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

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

    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 Seattle/Tacoma Intl Airport to Idaho.

  • What documentation or ID do you need to fly to Idaho?

    The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Seattle to Idaho

Compare and see reviews for airlines that fly from Seattle to Idaho with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $99Free CancellationRating
7.9
8,017 reviews
Search Delta flights
Alaska AirlinesPriceFrom $114Free CancellationRating
8.0
11,597 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $117Free CancellationRating
7.8
2,823 reviews
Search Hawaiian Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Idaho from Seattle.

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

Flights from Seattle to Idaho with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Idaho from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Seattle to Idaho 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 and let you know when they change.

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Find better results for your trip to Idaho

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