Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Idaho to Washington from $65

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 7/11. 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

Discover deals from 900+ travel sites with momondo.

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 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.
Allegiant Air Logo
4:45 pm - 5:22 pmIDA-PDX
1h 37mnonstop
Allegiant Air Logo
1:04 pm - 3:40 pmPDX-IDA
1h 36mnonstop
$107Allegiant Air
Find Deal
Fri, Jun 13 - Fri, Jun 27
Allegiant Air Logo
4:50 pm - 5:29 pmIDA-PDX
1h 39mnonstop
Allegiant Air Logo
1:21 pm - 4:00 pmPDX-IDA
1h 39mnonstop
$130Allegiant Air
Find Deal
Fri, May 23 - Mon, May 26
Alaska Airlines Logo
5:49 pm - 7:00 pmGEG-SEA
1h 11mnonstop
Alaska Airlines Logo
9:26 pm - 10:25 pmSEA-GEG
0h 59mnonstop
$131Alaska Airlines
Find Deal
Wed, Jun 4 - Wed, Jun 4
Delta Logo
4:59 pm - 5:35 pmBOI-SEA
1h 36mnonstop
Delta Logo
4:33 pm - 7:06 pmSEA-BOI
1h 33mnonstop
$137Delta
Find Deal
Wed, May 28 - Tue, Jun 10
Delta Logo
9:05 am - 10:29 amGEG-SEA
1h 24mnonstop
Delta Logo
1:32 pm - 2:50 pmSEA-GEG
1h 18mnonstop
$137Delta
Find Deal
Thu, May 29 - Fri, May 30
Alaska Airlines Logo
4:35 pm - 5:00 pmBOI-SEA
1h 25mnonstop
Alaska Airlines Logo
9:25 pm - 11:45 pmSEA-BOI
1h 20mnonstop
$147Alaska Airlines
Find Deal
Tue, May 27 - Mon, Jun 9
Hawaiian Airlines Logo
8:46 pm - 9:22 pmBOI-SEA
1h 36mnonstop
Hawaiian Airlines Logo
8:30 pm - 10:58 pmSEA-BOI
1h 28mnonstop
$166Hawaiian Airlines
Find Deal
Sat, Jun 14 - Sat, Jun 21
Spirit Airlines Logo
12:16 pm - 12:10 amBOI-SEA
12h 54m1 stop
Spirit Airlines Logo
3:20 pm - 11:21 amSEA-BOI
19h 01m1 stop
$173Spirit Airlines
Find Deal
Fri, May 30 - Sun, Jun 1
Hawaiian Airlines Logo
9:20 pm - 9:28 pmBOI-GEG
1h 08mnonstop
Hawaiian Airlines Logo
7:53 pm - 9:58 pmGEG-BOI
1h 05mnonstop
$177Hawaiian Airlines
Find Deal
Wed, May 28 - Wed, Jun 4
Spirit Airlines Logo
12:16 pm - 12:10 amBOI-SEA
12h 54m1 stop
Spirit Airlines Logo
3:20 pm - 11:21 amSEA-BOI
19h 01m1 stop
$225Spirit Airlines
Find Deal
Fri, May 16 - Thu, Jun 5

Alaska Airlines flights from Idaho to State of Washington

Our best Alaska Airlines deals on Idaho to State of Washington flight tickets
Alaska Airlines
Jun 4
GEG5:49 pmSpokane
1h 11m
SEA7:00 pmSeattle/Tacoma Intl
Jun 4
SEA9:26 pmSeattle/Tacoma Intl
0h 59m
GEG10:25 pmSpokane
Alaska Airlines
May 27
BOI4:35 pmBoise Air Term. Gowen Fld
1h 25m
SEA5:00 pmSeattle/Tacoma Intl
Jun 9
SEA9:25 pmSeattle/Tacoma Intl
1h 20m
BOI11:45 pmBoise Air Term. Gowen Fld
Alaska Airlines
May 31
BOI4:01 pmBoise Air Term. Gowen Fld
1h 19m
PDX4:20 pmPortland
Jun 1
PDX9:49 pmPortland
1h 10m
BOI11:59 pmBoise Air Term. Gowen Fld

Delta flights from Idaho to State of Washington

Our best Delta deals on Idaho to State of Washington flight tickets
Delta
May 28
BOI4:59 pmBoise Air Term. Gowen Fld
1h 36m
SEA5:35 pmSeattle/Tacoma Intl
Jun 10
SEA4:33 pmSeattle/Tacoma Intl
1h 33m
BOI7:06 pmBoise Air Term. Gowen Fld
Delta
May 29
BOI7:49 pmBoise Air Term. Gowen Fld
1h 48m
SEA8:37 pmSeattle/Tacoma Intl
Jun 5
SEA4:40 pmSeattle/Tacoma Intl
1h 29m
BOI7:09 pmBoise Air Term. Gowen Fld
Delta
May 31
BOI4:59 pmBoise Air Term. Gowen Fld
6h 21m
1 stop
PDX10:20 pmPortland
Jun 1
PDX3:30 pmPortland
5h 59m
1 stop
BOI10:29 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 February 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 Friday. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $446. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Idaho to State of Washington for around $539.

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 $449. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $505 on average. Flights to State of Washington from Idaho at noon 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 Spokane 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 $207 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

$65

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 $65. The best round-trip flight deal from Idaho to State of Washington found on momondo in the last 72 hours is $107.
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
DeltaPriceFrom $95Free CancellationRating
8.0
7,934 reviews
Search Delta flights
Spirit AirlinesPriceFrom $98Free CancellationRating
6.3
7,962 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $129Free CancellationRating
8.0
9,968 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $137Free CancellationRating
7.9
2,408 reviews
Search Hawaiian 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.


An easier way to manage your State of Washington 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
Tue 5/6
Tue 5/13

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo