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Cheap flights from Idaho to Washington from $64

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Washington departing on 2/7. 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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Find the cheapest flights from Idaho to Washington

Cheap round-trip flights

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

Cheap last minute flights

Planning a quick getaway from Idaho to Washington? 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 Washington, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Idaho to Washington

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

All round-trip flight deals from Idaho to Washington

The cheapest plane tickets from Idaho to Washington found on KAYAK recently.
7:41 pm - 12:25 amBOI-SEA
5h 44m1 stop
5:15 am - 6:46 pmSEA-BOI
12h 31m1 stop
$130Spirit Airlines
Find Deal
Thu, Feb 27 - Tue, Mar 4
7:41 pm - 9:21 amBOI-PDX
14h 40m1 stop
8:28 pm - 6:46 pmPDX-BOI
21h 18m1 stop
$136Spirit Airlines
Find Deal
Tue, Feb 18 - Wed, Feb 19
7:30 pm - 8:18 pmBOI-SEA
1h 48mnonstop
7:20 am - 9:54 amSEA-BOI
1h 34mnonstop
$137Delta
Find Deal
Wed, Feb 5 - Tue, Feb 11
2:05 pm - 6:58 pmBOI-SEA
5h 53m1 stop
9:38 pm - 11:58 pmSEA-BOI
1h 20mnonstop
$141Alaska Airlines
Find Deal
Mon, Feb 10 - Mon, Feb 10
7:41 pm - 12:25 amBOI-SEA
5h 44m1 stop
11:25 am - 1:51 pmSEA-BOI
1h 26mnonstop
Thu, Feb 27 - Tue, Mar 4
2:15 pm - 5:29 pmBOI-SEA
4h 14m1 stop
9:38 pm - 11:58 pmSEA-BOI
1h 20mnonstop
$147Alaska Airlines
Find Deal
Tue, Feb 4 - Tue, Feb 11
7:41 pm - 12:25 amBOI-SEA
5h 44m1 stop
8:15 pm - 10:41 pmSEA-BOI
1h 26mnonstop
Fri, Feb 28 - Sun, Mar 16
7:30 pm - 8:18 pmBOI-SEA
1h 48mnonstop
1:45 pm - 4:16 pmSEA-BOI
1h 31mnonstop
$157Delta
Find Deal
Thu, Feb 6 - Tue, Feb 11
12:50 pm - 6:38 pmBOI-SEA
6h 48m1 stop
2:50 pm - 10:09 pmSEA-BOI
6h 19m1 stop
$187United Airlines
Find Deal
Sat, Mar 8 - Sat, Mar 15
6:43 pm - 12:51 amBOI-SEA
7h 08m1 stop
9:00 am - 4:38 pmSEA-BOI
6h 38m1 stop
$233United Airlines
Find Deal
Fri, Jun 27 - Tue, Jul 8
7:38 pm - 12:19 amBOI-SEA
5h 41m1 stop
$64Spirit Airlines
Find Deal
Fri, Feb 7
7:38 pm - 12:19 amBOI-SEA
5h 41m1 stop
$67Spirit Airlines
Find Deal
Thu, Feb 6
9:40 am - 10:19 amBOI-SEA
1h 39mnonstop
$69Alaska Airlines
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Tue, Apr 15
12:59 pm - 5:29 pmBOI-SEA
5h 30m1 stop
$78Alaska Airlines
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Wed, Feb 5
7:24 pm - 8:46 pmGEG-SEA
1h 22mnonstop
$79Delta
Find Deal
Tue, Mar 18
7:30 pm - 12:03 amBOI-GEG
5h 33m1 stop
$79Delta
Find Deal
Wed, Feb 12
12:41 pm - 6:29 pmBOI-SEA
6h 48m1 stop
$99United Airlines
Find Deal
Sun, Feb 16
6:58 pm - 12:55 amBOI-SEA
6h 57m1 stop
$119United Airlines
Find Deal
Fri, Feb 14
9:39 am - 12:19 amGEG-SEA
14h 40m1 stop
Thu, Jan 23
11:11 am - 12:19 amBOI-SEA
14h 08m3 stops
Thu, Feb 6
12:14 pm - 12:54 pmBOI-SEA
1h 40mnonstop
9:36 pm - 11:59 pmSEA-BOI
1h 23mnonstop
$307Alaska Airlines
Find Deal
Sun, Jan 19 - Sat, Feb 22
5:41 pm - 6:17 pmBOI-SEA
1h 36mnonstop
5:57 pm - 8:17 pmSEA-BOI
1h 20mnonstop
$312Alaska Airlines
Find Deal
Sun, Jan 19 - Sat, Feb 22
7:38 pm - 9:21 amBOI-PDX
14h 43m1 stop
5:30 pm - 9:49 amPDX-BOI
15h 19m1 stop
Sun, Jan 19 - Sat, Jan 25
1:20 pm - 4:45 pmBOI-PDX
4h 25m1 stop
1:10 pm - 10:45 pmPDX-BOI
8h 35m1 stop
$382Southwest
Find Deal
Tue, Jan 21 - Wed, Jan 22
5:05 pm - 8:25 pmBOI-PDX
4h 20m1 stop
11:55 am - 11:35 pmPDX-BOI
10h 40m2 stops
$387Southwest
Find Deal
Tue, Jan 21 - Wed, Jan 22
3:25 pm - 4:45 pmGEG-SEA
1h 20mnonstop
1:30 pm - 2:45 pmSEA-GEG
1h 15mnonstop
$407Delta
Find Deal
Sat, Jan 18 - Sat, Jan 25
6:57 pm - 12:50 amIDA-SEA
6h 53m1 stop
5:30 am - 12:30 pmSEA-IDA
6h 00m1 stop
$407Delta
Find Deal
Tue, Jan 21 - Thu, Feb 6
12:04 pm - 12:44 pmBOI-SEA
1h 40mnonstop
5:45 am - 6:43 pmSEA-BOI
11h 58m1 stop
Sat, Jan 18 - Mon, Jan 20
7:38 pm - 12:19 amBOI-SEA
5h 41m1 stop
5:45 am - 6:43 pmSEA-BOI
11h 58m1 stop
$434Spirit Airlines
Find Deal
Fri, Jan 17 - Mon, Jan 20
7:38 pm - 12:19 amBOI-SEA
5h 41m1 stop
7:10 am - 6:43 pmSEA-BOI
10h 33m1 stop
$445Spirit Airlines
Find Deal
Fri, Jan 17 - Sun, Jan 19
7:30 pm - 8:18 pmBOI-SEA
1h 48mnonstop
7:20 am - 9:54 amSEA-BOI
1h 34mnonstop
$137Delta
Find Deal
Wed, Feb 5 - Tue, Feb 11
7:00 am - 7:31 amBOI-PDX
1h 31mnonstop
10:55 am - 1:06 pmPDX-BOI
1h 11mnonstop
$151Alaska Airlines
Find Deal
Tue, Feb 11 - Tue, Feb 11
11:00 am - 11:39 amBOI-SEA
1h 39mnonstop
7:45 pm - 10:10 pmSEA-BOI
1h 25mnonstop
$157Alaska Airlines
Find Deal
Thu, Feb 6 - Wed, Feb 12
11:17 am - 12:37 pmGEG-SEA
1h 20mnonstop
10:55 pm - 12:05 amSEA-GEG
1h 10mnonstop
$157Delta
Find Deal
Tue, Apr 1 - Wed, Apr 2
2:00 pm - 2:24 pmBOI-PDX
1h 24mnonstop
12:30 pm - 2:43 pmPDX-BOI
1h 13mnonstop
$157Alaska Airlines
Find Deal
Tue, Mar 11 - Wed, Mar 12
5:45 am - 6:38 amBOI-SEA
1h 53mnonstop
7:40 pm - 10:11 pmSEA-BOI
1h 31mnonstop
$162Delta
Find Deal
Thu, Feb 13 - Tue, Feb 18
9:30 am - 10:15 amBOI-SEA
1h 45mnonstop
7:35 am - 9:57 amSEA-BOI
1h 22mnonstop
$167Alaska Airlines
Find Deal
Thu, Feb 6 - Wed, Feb 12
7:24 pm - 8:46 pmGEG-SEA
1h 22mnonstop
1:30 pm - 2:44 pmSEA-GEG
1h 14mnonstop
$167Delta
Find Deal
Thu, Mar 27 - Tue, Apr 1
7:55 pm - 8:17 pmBOI-PDX
1h 22mnonstop
10:55 am - 1:06 pmPDX-BOI
1h 11mnonstop
$167Alaska Airlines
Find Deal
Mon, Feb 10 - Wed, Feb 12
4:07 pm - 5:00 pmIDA-SEA
1h 53mnonstop
7:55 pm - 10:36 pmSEA-IDA
1h 41mnonstop
$167Alaska Airlines
Find Deal
Wed, Mar 12 - Sun, Mar 16

Alaska Airlines flights from Idaho to State of Washington

Our best Alaska Airlines deals on Idaho to State of Washington flight tickets
Alaska Airlines
Feb 10
BOI2:05 pmBoise Air Term. Gowen Fld
5h 53m
1 stop
SEA6:58 pmSeattle/Tacoma Intl
Feb 10
SEA9:38 pmSeattle/Tacoma Intl
1h 20m
BOI11:58 pmBoise Air Term. Gowen Fld
Alaska Airlines
Feb 4
BOI2:15 pmBoise Air Term. Gowen Fld
4h 14m
1 stop
SEA5:29 pmSeattle/Tacoma Intl
Feb 11
SEA9:38 pmSeattle/Tacoma Intl
1h 20m
BOI11:58 pmBoise Air Term. Gowen Fld
Alaska Airlines
Mar 12
IDA4:07 pmIdaho Falls Fanning Field
1h 53m
SEA5:00 pmSeattle/Tacoma Intl
Mar 16
SEA7:55 pmSeattle/Tacoma Intl
1h 41m
IDA10:36 pmIdaho Falls Fanning Field

United Airlines flights from Idaho to State of Washington

Our best United Airlines deals on Idaho to State of Washington flight tickets
United Airlines
Mar 8
BOI12:50 pmBoise Air Term. Gowen Fld
6h 48m
1 stop
SEA6:38 pmSeattle/Tacoma Intl
Mar 15
SEA2:50 pmSeattle/Tacoma Intl
6h 19m
1 stop
BOI10:09 pmBoise Air Term. Gowen Fld
United Airlines
Jun 27
BOI6:43 pmBoise Air Term. Gowen Fld
7h 08m
1 stop
SEA12:51 amSeattle/Tacoma Intl
Jul 8
SEA9:00 amSeattle/Tacoma Intl
6h 38m
1 stop
BOI4:38 pmBoise Air Term. Gowen Fld
United Airlines
Feb 27
BOI11:05 amBoise Air Term. Gowen Fld
5h 49m
1 stop
SEA3:54 pmSeattle/Tacoma Intl
Mar 1
SEA6:15 amSeattle/Tacoma Intl
5h 50m
1 stop
BOI1:05 pmBoise Air Term. Gowen Fld

See travel insights to Washington from

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

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 State of Washington?

The month of October is, on average, the cheapest month to fly to State of Washington from Idaho, with most prices found around $176. If you aren’t able to travel to State of Washington during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $177.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from Idaho to State of Washington is on a Wednesday. Travelers who choose to depart for State of Washington on a Wednesday will often find tickets for as low as $197. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Idaho to State of Washington for around $226.

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

The cheapest time of day to fly to State of Washington is in the evening when flights can be purchased for as low as $206. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $217 on average. Flights to State of Washington from Idaho in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Idaho to Washington flight route?

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

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from Idaho when booking 9 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $211 when searching 9 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Idaho for as low as $173 on momondo.

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

There are 4 cabin classes available to choose from on Idaho to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Idaho to State of Washington flight deals and tips

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

Best Price Found

$64

Fastest flight time

1h 01m

Direct flights

Every day

Airports in State of Washington

3 airports
The best one-way flight to State of Washington from Idaho in the past 72 hours is $64. The best round-trip flight deal from Idaho to State of Washington found on momondo in the last 72 hours is $130.
The fastest flight from Idaho to State of Washington takes 1h 01m
Direct flights go from Idaho to State of Washington every day.
There are 3 airports near State of Washington: Portland (PDX), Spokane (GEG), Seattle/Tacoma Intl (SEA)

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

    Prices for flights from Idaho to Washington are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Washington.

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

    The required travel and health documents for your Washington 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 Washington. 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 Idaho to State of Washington?


Best airlines flying from Idaho to State of Washington

Compare and see reviews for airlines that fly from Idaho to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $90Free CancellationRating
6.3
8,100 reviews
Search Spirit Airlines flights
DeltaPriceFrom $95Free CancellationRating
8.0
8,511 reviews
Search Delta flights
Alaska AirlinesPriceFrom $130Free CancellationRating
8.0
9,681 reviews
Search Alaska Airlines flights

Why use momondo?

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

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 Idaho to Washington for you.

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

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

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

Once you have performed a search for Idaho to Washington flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

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


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