Cheap flights from Idaho (ID) to Washington (WA)

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How to find the cheapest flight from
Idaho to Washington

All the information you need to plan the best null to SEA flight in 2021: compare Idaho to Washington flight prices with the expected peak season, weather and rainfall in Washington.
When is the cheapest time to fly from Idaho to State of Washington (ID - WA)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to State of Washington as you normally would.

What is the cheapest month to fly from Idaho to State of Washington?

Our data shows that April tends to be the cheapest month to fly to State of Washington from Idaho. Users have commonly found prices around $114 for the month, but tickets can be as low as $92. Due to multiple factors, prepare for potentially higher prices in November.

Cheap flights from Idaho to Washington in November, December 2021

The best prices found for Idaho to Washington flights for November, December
12 Dec - 13 Dec
$137pp
GEG
Spokane
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
GEG
Spokane
12 Dec - 31 Dec
$137pp
BOI
Boise Air Term. Gowen Fld
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
BOI
Boise Air Term. Gowen Fld
23 Dec - 26 Dec
$138pp
BOI
Boise Air Term. Gowen Fld
Alaska Airlines
Non-Stop
PUW
Pullman Moscow Regional
PUW
Pullman Moscow Regional
Alaska Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld

Idaho to Washington 2022 flight deals

Cheap flights to Washington from Idaho found for next year
12 Dec - 31 Dec
$137pp
BOI
Boise Air Term. Gowen Fld
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
BOI
Boise Air Term. Gowen Fld
12 Dec - 13 Dec
$137pp
GEG
Spokane
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
GEG
Spokane
23 Dec - 26 Dec
$138pp
BOI
Boise Air Term. Gowen Fld
Alaska Airlines
Non-Stop
PUW
Pullman Moscow Regional
PUW
Pullman Moscow Regional
Alaska Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld

Non-stop flights to Washington from Idaho

Save time with Idaho to Washington direct flight deals
7 Jan - 10 Jan
$108pp
GEG
Spokane
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
GEG
Spokane
29 Jan - 29 Jan
$132pp
BOI
Boise Air Term. Gowen Fld
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld
10 Jan - 10 Jan
$132pp
GEG
Spokane
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
GEG
Spokane

Last minute flights from Idaho to Washington

Late deals on round-trip flights to Washington from Idaho, departing today and this week
1 Dec - 3 Dec
$198pp
BOI
Boise Air Term. Gowen Fld
Alaska Airlines
Non-Stop
PUW
Pullman Moscow Regional
PUW
Pullman Moscow Regional
Alaska Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld
1 Dec - 2 Dec
$199pp
BOI
Boise Air Term. Gowen Fld
Alaska Airlines
Non-Stop
PUW
Pullman Moscow Regional
PUW
Pullman Moscow Regional
Alaska Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld
1 Dec - 5 Dec
$208pp
BOI
Boise Air Term. Gowen Fld
Alaska Airlines
Non-Stop
PUW
Pullman Moscow Regional
PUW
Pullman Moscow Regional
Alaska Airlines
Non-Stop
BOI
Boise Air Term. Gowen Fld

One-way flights to Washington from Idaho

The cheapest one-way flights from Idaho to Washington
2:41 pm - 4:11 am
Frontier
1 Stop
13h 30m
GEG - SEA
Frontier
$83
Kiwi.com
10:00 am - 11:15 am
Delta
Nonstop
1h 15m
GEG - SEA
Delta
$99
Delta
12:01 pm - 1:22 pm
Multiple Airlines
1 Stop
26h 21m
BOI - SEA
Multiple Airlines
$114
Gotogate

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Idaho</span> to <span class="emphasized">Washington</span> flights.

Flight FAQs

From Idaho to Washington

Which airlines flying from Idaho to Washington have flexible cancellations due to COVID-19?

Alaska Airlines, Delta, and Train are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Idaho to State of Washington for under $200 on Cheapflights?

Yes, there are multiple flights from Idaho to State of Washington for under $200. The cheapest flight booked recently is on Alaska Airlines for just $108, but on average you can expect to pay $140.

Are there nonstop flights from Idaho to State of Washington for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Idaho to State of Washington under $200. A good price for a nonstop flight from Idaho to State of Washington is less than $149.

Are there last-minute flights available from Idaho to State of Washington for under $200?

There are currently 20+ open flights from Idaho to State of Washington within the next 7 days for less than $200.

What days are nonstop flights available from Idaho to State of Washington?

Nonstop flights are available for this route on the following days: Sunday, Monday, Wednesday, Thursday, Friday, Saturday.

How popular is this Idaho to State of Washington flight route?

The Idaho to Washington flight path was viewed by 88 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

21 flight departures from Idaho to State of Washington per day on average.
Early Morning (Midnight to 6am) - 5% of flight departures
Morning (6am - Noon) - 48% of flight departures
Afternoon (Noon - 6pm) - 10% of flight departures
Evening (6pm - Midnight) - 38% of flight departures

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

A quick flight from Idaho to State of Washington can take about 1h 19m. Alaska Airlines provides one of the quickest options available for as low as $108. Idaho and State of Washington are separated by a distance of 400 mi. Generally, flights for this route are nonstop.

What are the cheapest airlines to fly from Idaho to State of Washington one-way?

The cheapest airlines for a one-way flight from Idaho to State of Washington are Alaska Airlines ($69), Delta ($69), and Frontier ($76).

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Car Rentals in Washington

COVID Restrictions

View COVID Travel Restrictions for Washington (WA)

Do I need a COVID test to fly to Washington from Idaho?

Information is based on travel restrictions for travel to Washington within the United States

Most visitors from Idaho need to provide a negative COVID-19 test result and/or quarantine to enter Washington.

COVID-19 testing requirements
Visitors from Idaho must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Washington.

Quarantine requirements
Visitors from Idaho are not required to quarantine after entering Washington.

Do I need a test to fly back to Idaho from Washington?

Returning to Idaho from Washington

COVID-19 testing requirements
Visitors from Washington must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Idaho.

Quarantine requirements
Visitors from Washington are not required to quarantine after entering Idaho.

Hide COVID Travel Restrictions for Washington (WA)

Destination points for flights from Idaho to Washington

Select to see more specific information for flights from Idaho to all places in Washington.

Destination information for Washington

Things to know before you go - useful duration and weather info for your trip from Idaho to Washington.
Flight duration from Idaho to Washington
1h 27m

Airports servicing

Idaho Falls (IDA)
Lewiston (LWS)
Pocatello (PIH)
Hailey Sun Valley-Friedman (SUN)
Twin Falls (TWF)

Airports servicing

Seattle King County/Boeing (BFI)
Bellingham (BLI)
Deer Harbor (DHB)
Wenatchee (EAT)
Eastsound Orcas Island (ESD)
Friday Harbor SPB (FBS)
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