How long is the flight from State of Washington to Idaho?

Flight times from State of Washington to Idaho vary, but if you’re flying out of Spokane and flying into Boise (one of the most popular routes), then the duration is 1h 06m on average. Another popular route from State of Washington to Idaho is flying from Seattle to Boise, which will take roughly 1h 25m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Idaho?

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Idaho from State of Washington according to our data. Alaska Airlines is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 3 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

How many flights depart from State of Washington to Idaho on average per week?

As of March 2026, 749 flights take off from State of Washington and land in Idaho each week. The most common flight departure day for this route is Mon, with 17% of weekly flights taking off on this day.

What is the cheapest airline that flies from Washington to Idaho?

Southwest, Delta, and Frontier are the most popular carriers operating from Washington to Idaho

How many flights depart from State of Washington to Idaho on average per day?

107 flights are operational daily from State of Washington to Idaho as of March 2026. The most popular departure time for this route is 1:00PM, with 38% of flights per day taking off in the afternoon.

When did momondo last update prices for flights from Washington to Idaho?

Prices for flights from Washington to Idaho are refreshed on a daily basis.

How many operators does momondo search for flights from Washington to Idaho?

The number of operators available for flights from Washington to Idaho is 5 as of March 2026.

How old do you have to be to fly from Washington to Idaho?

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 Washington to Idaho.

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

The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$76 Cheap Flights from Washington to Idaho in 2026

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Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:31 pm - 2:39 pm

SEA

GEG

1h 08mnonstop

5:00 am - 6:16 am

GEG

SEA

1h 16mnonstop

$105Alaska Airlines

Sat, Apr 18 - Sun, Apr 19

1:31 pm - 2:39 pm

SEA

GEG

1h 08mnonstop

5:00 am - 6:16 am

GEG

SEA

1h 16mnonstop

$110Hawaiian Airlines

Sat, Apr 18 - Sun, Apr 19

5:42 pm - 6:57 pm

SEA

GEG

1h 15mnonstop

9:30 am - 10:57 am

GEG

SEA

1h 27mnonstop

$119Delta

Sat, Apr 18 - Sat, Apr 25

9:24 pm - 11:59 pm

SEA

BOI

1h 35mnonstop

6:00 am - 6:40 am

BOI

SEA

1h 40mnonstop

$119Alaska Airlines

Thu, Apr 23 - Sat, Apr 25

9:40 pm - 12:17 am

SEA

BOI

1h 37mnonstop

8:59 am - 9:53 am

BOI

SEA

1h 54mnonstop

$148Delta

Thu, Apr 16 - Sat, Apr 18

7:20 am - 1:25 pm

SEA

BOI

5h 05m

1 stop

5:40 pm - 12:40 am

BOI

SEA

8h 00m

1 stop

$151Southwest

Thu, Apr 23 - Thu, Apr 23

11:05 am - 9:50 pm

SEA

BOI

9h 45m

1 stop

6:30 am - 10:45 am

BOI

SEA

5h 15m

1 stop

$156Southwest

Thu, Apr 30 - Sun, May 3

2:48 pm - 5:10 pm

PDX

BOI

1h 22mnonstop

5:50 am - 6:19 am

BOI

PDX

1h 29mnonstop

$168Hawaiian Airlines

Thu, Apr 16 - Sun, Apr 19

5:00 am - 1:21 pm

SEA

JAC

7h 21m

1 stop

4:15 pm - 10:33 pm

JAC

SEA

7h 18m

1 stop

$301United Airlines

Mon, Apr 20 - Thu, Apr 23

12:54 pm - 8:53 pm

SEA

JAC

6h 59m

1 stop

4:15 pm - 9:06 pm

JAC

SEA

5h 51m

1 stop

$307United Airlines

Sat, Apr 18 - Sat, Apr 25

Delta flights from State of Washington to Idaho

Our best Delta deals on State of Washington to Idaho flight tickets

Delta

May 1

SEA9:28 amSeattle/Tacoma Intl

1h 17m

GEG10:45 amSpokane

May 8

GEG4:15 pmSpokane

1h 25m

SEA5:40 pmSeattle/Tacoma Intl

$119

Delta

Apr 16

SEA9:40 pmSeattle/Tacoma Intl

1h 37m

BOI12:17 amBoise Air Term. Gowen Fld

Apr 23

BOI3:44 pmBoise Air Term. Gowen Fld

1h 48m

SEA4:32 pmSeattle/Tacoma Intl

$148

Delta

Apr 17

SEA5:42 pmSeattle/Tacoma Intl

1h 15m

GEG6:57 pmSpokane

Apr 19

GEG7:15 amSpokane

1h 28m

SEA8:43 amSeattle/Tacoma Intl

$158

Southwest flights from State of Washington to Idaho

Our best Southwest deals on State of Washington to Idaho flight tickets

Southwest

Apr 23

SEA7:20 amSeattle/Tacoma Intl

5h 05m

1 stop

BOI1:25 pmBoise Air Term. Gowen Fld

Apr 23

BOI5:40 pmBoise Air Term. Gowen Fld

8h 00m

1 stop

SEA12:40 amSeattle/Tacoma Intl

$151

Southwest

Apr 30

SEA11:05 amSeattle/Tacoma Intl

9h 45m

1 stop

BOI9:50 pmBoise Air Term. Gowen Fld

May 3

BOI6:30 amBoise Air Term. Gowen Fld

5h 15m

1 stop

SEA10:45 amSeattle/Tacoma Intl

$156

Southwest

Apr 21

GEG10:55 amSpokane

4h 30m

1 stop

BOI4:25 pmBoise Air Term. Gowen Fld

Apr 28

BOI5:00 pmBoise Air Term. Gowen Fld

6h 45m

1 stop

GEG10:45 pmSpokane

$162

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleSpokane

SEA - GEG

SEAGEG

Seattle/Tacoma Intl

Sat 4/18

1:31 pm-2:39 pm

Nonstop1h 08m

Spokane

Sun 4/19

5:00 am-6:16 am

Nonstop1h 16m

$105

SeattleSpokane

SEA - GEG

SEAGEG

Seattle/Tacoma Intl

Sat 4/18

1:31 pm-2:39 pm

Nonstop1h 08m

Spokane

Sun 4/19

5:00 am-6:16 am

Nonstop1h 16m

$110

SeattleSpokane

SEA - GEG

SEAGEG

Seattle/Tacoma Intl

Sat 4/18

5:42 pm-6:57 pm

Nonstop1h 15m

Spokane

Sat 4/25

9:30 am-10:57 am

Nonstop1h 27m

$119

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Thu 4/23

9:24 pm-11:59 pm

Nonstop1h 35m

Boise Air Term. Gowen Fld

Sat 4/25

6:00 am-6:40 am

Nonstop1h 40m

$119

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Thu 4/16

9:40 pm-12:17 am

Nonstop1h 37m

Boise Air Term. Gowen Fld

Sat 4/18

8:59 am-9:53 am

Nonstop1h 54m

$148

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Thu 4/23

7:20 am-1:25 pm

1 stop5h 05m

Boise Air Term. Gowen Fld

Thu 4/23

5:40 pm-12:40 am

1 stop8h 00m

$151

SeattleBoise

SEA - BOI

SEABOI

Seattle/Tacoma Intl

Thu 4/30

11:05 am-9:50 pm

1 stop9h 45m

Boise Air Term. Gowen Fld

Sun 5/3

6:30 am-10:45 am

1 stop5h 15m

$156

PortlandBoise

PDX - BOI

PDXBOI

Portland

Thu 4/16

2:48 pm-5:10 pm

Nonstop1h 22m

Boise Air Term. Gowen Fld

Sun 4/19

5:50 am-6:19 am

Nonstop1h 29m

$168

SeattleJackson

SEA - JAC

SEAJAC

Seattle/Tacoma Intl

Mon 4/20

5:00 am-1:21 pm

1 stop7h 21m

Jackson Hole

Thu 4/23

4:15 pm-10:33 pm

1 stop7h 18m

$301

SeattleJackson

SEA - JAC

SEAJAC

Seattle/Tacoma Intl

Sat 4/18

12:54 pm-8:53 pm

1 stop6h 59m

Jackson Hole

Sat 4/25

4:15 pm-9:06 pm

1 stop5h 51m

$307

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington 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

Prices

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Other information

What is the cheapest month to fly to Idaho?

In general, January is the cheapest month to fly from State of Washington to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $99. If you don’t want to visit Idaho in January, then you should wait until April to fly from State of Washington, when ticket prices are also cheap, with an average price of $168.

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

Our data shows that Saturday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $196. On the other hand, Sunday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $294.

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 State of Washington to Idaho at noon for as low as $197. 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 evening is when there is more demand to fly to Idaho, so prices are often more expensive at around $213 per ticket.

What is the cheapest Washington to Idaho flight route?

Fly from Seattle/Tacoma Intl to Boise Air Term. Gowen Fld for the best Washington - 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 State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Idaho for around $195 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Idaho from State of Washington for as low as $159 on momondo.

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

There are 4 cabin classes available to choose from on Washington 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 State of Washington to Idaho flights?

You could potentially save up to 15% on your flight if you consider stops on a State of Washington to Idaho flight.

Cheap State of Washington to Idaho flight deals and tips

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

Best Price Found	$118
Fastest flight time	0h 59m
Direct flights	Every day
Airports in Idaho	27 airports

The best one-way flight to Idaho from State of Washington in the past 72 hours is $118. The best round-trip flight deal from State of Washington to Idaho found on momondo in the last 72 hours is $114.

The fastest flight from State of Washington to Idaho takes 0h 59m

Direct flights go from State of Washington to Idaho every day.

There are 27 airports in Idaho. From State of Washington there are direct flights to Spokane (GEG), Boise Air Term. Gowen Fld (BOI).

Search flight deals

When did momondo last update prices for flights from Washington to Idaho?
Prices for flights from Washington to Idaho are refreshed on a daily basis.
How many operators does momondo search for flights from Washington to Idaho?
The number of operators available for flights from Washington to Idaho is 5 as of March 2026.
How old do you have to be to fly from Washington to Idaho?
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 Washington to Idaho.
What documentation or ID do you need to fly to Idaho?
The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from State of Washington to Idaho?
Based on momondo bookings for flights between State of Washington and Idaho, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 27.33% of the total bookings. Other popular models include Embraer 175 with 24.32%, Embraer 175 (Enhanced Winglets) with 9.16%, and Boeing 737-900 Passenger/BBJ3 (winglets) with 7.51%.

Best airlines flying from State of Washington to Idaho

Compare and see reviews for airlines that fly from State of Washington to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $79	Free Cancellation	Rating 7.9 8,322 reviews	Search Delta flights
Alaska Airlines	PriceFrom $111	Free Cancellation	Rating 7.9 12,101 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $127	Free Cancellation	Rating 7.8 2,840 reviews	Search Hawaiian Airlines flights

Why use momondo?

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

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

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

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

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

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

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

Yes. momondo can track prices for Washington to Idaho flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Washington to Idaho from $76

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Idaho departing on 5/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from State of Washington to Idaho

What is the cheapest month to fly to Idaho?

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

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

What is the cheapest Washington to Idaho flight route?

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

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

Can stopping save me money on State of Washington to Idaho flights?

What is the cheapest airline that flies from Washington to Idaho?

What airlines fly to Idaho?

How many flights depart from State of Washington to Idaho on average per day?

How many flights depart from State of Washington to Idaho on average per week?

How long is the flight from State of Washington to Idaho?

Cheap State of Washington to Idaho flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Idaho

Best airlines flying from State of Washington to Idaho

Compare and see reviews for airlines that fly from State of Washington to Idaho with momondo

Why use momondo?

An easier way to manage your Idaho 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.

Find better results for your trip to Idaho

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