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

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How to find the cheapest flight from
Idaho to Washington (WAS)

All the information you need to plan the best null to WAS flight in 2021: compare Idaho to Washington flight prices with the expected peak season, weather and rainfall in Washington.
How far in advance should I book a flight from Idaho to Washington?

To save up to 14% on this flight, we recommend booking at least 43 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Idaho to Washington from $262 1-2 weeks out and tickets from $293 for flights departing within the next 72 hours.

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

August can be a great time to fly to Washington from Idaho with a flight ticket averaging about $285. Cheapflights users have found deals in the month of August for as cheap as $90. The most expensive prices can be found in the month of June.

Cheap flights from Idaho to Washington in May, June 2021

The best prices found for Idaho to WAS flights for May, June
4 Jun - 6 Jun
$205pp
BOI
Boise Air Term. Gowen Fld
Major Airline
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Major Airline
 
1 STOP
BOI
Boise Air Term. Gowen Fld
1 Jun - 9 Jun
$215pp
BOI
Boise Air Term. Gowen Fld
American Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
American Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
5 Jun - 8 Jun
$215pp
BOI
Boise Air Term. Gowen Fld
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld

Idaho to Washington 2021 flight deals

Cheap flights to Washington from Idaho found for this year
4 Jun - 6 Jun
$205pp
BOI
Boise Air Term. Gowen Fld
Major Airline
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Major Airline
 
1 STOP
BOI
Boise Air Term. Gowen Fld
5 Jun - 8 Jun
$215pp
BOI
Boise Air Term. Gowen Fld
United Airlines
 
1 STOP
IAD
Washington Dulles Intl
IAD
Washington Dulles Intl
United Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
1 Jun - 8 Jun
$215pp
BOI
Boise Air Term. Gowen Fld
American Airlines
 
1 STOP
BWI
Baltimore/Washington
BWI
Baltimore/Washington
American Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld

Last minute flights from Idaho to Washington

Late deals on round-trip flights to Washington from Idaho, departing today and this week
20 May - 22 May
$262pp
GEG
Spokane
Frontier
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
Frontier
 
1 STOP
GEG
Spokane
21 May - 30 May
$343pp
BOI
Boise Air Term. Gowen Fld
American Airlines
 
1 STOP
DCA
Washington Reagan-National
DCA
Washington Reagan-National
American Airlines
 
1 STOP
BOI
Boise Air Term. Gowen Fld
19 May - 21 May
$345pp
GEG
Spokane
Multiple Airlines
   
2 STOPS
BWI
Baltimore/Washington
BWI
Baltimore/Washington
Multiple Airlines
   
2 STOPS
GEG
Spokane

One-way flights to Washington from Idaho

The cheapest one-way flights from Idaho to Washington
3:25 am - 2:04 pm
Delta
1 Stop
7h 39m
GEG - IAD
Delta
$128
Delta
5:00 am - 5:59 pm
Alaska Airlines
1 Stop
9h 59m
GEG - DCA
Alaska Airlines
10:55 am - 7:22 pm
United Airlines
1 Stop
6h 27m
BOI - IAD
United Airlines
$150
United

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

Are flight prices decreasing from Idaho to Washington due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Idaho and Washington for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

What safety measures are being taken by airlines flying from Idaho to Washington to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines is one of them. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Idaho to Washington. Policies will vary by airline.

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

Delta, United Airlines, and American Airlines 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 Washington for under $300 on Cheapflights?

Yes, there are multiple flights from Idaho to Washington for under $300. The cheapest flight booked recently is on Major Airline for just $205, but on average you can expect to pay $223.

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

There are no nonstop flights from Idaho to Washington, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Idaho to Washington for under $300?

There are currently 20+ open flights from Idaho to Washington within the next 7 days for less than $300.

What are the most popular airlines that fly from Idaho to Washington?

Consider American Airlines, Alaska Airlines or Delta when booking your flight. These represent the most popular airlines when flying from Idaho to Washington.

What are the most popular routes from Idaho to Washington?

The most popular route from Idaho to Washington is Boise Air Term. Gowen Fld - Washington Dulles Intl. You may also consider Boise Air Term. Gowen Fld - Baltimore/Washington or Spokane - Washington Dulles Intl.

What are the cheapest Flights from Idaho to Washington?

Looking at all options, your cheapest flight can be booked for $169. While the most popular route (Boise Air Term. Gowen Fld - Washington Dulles Intl) can be booked for $290 on average our data indicates $569 when flying from Idaho to Washington

How long is the flight from Idaho to Washington?

A quick flight from Idaho to Washington can take about 5h 59m. United Airlines provides one of the quickest options available for as low as $557. This flight may include one or multiple stops.

What are the cheapest airlines flying from Idaho to Washington round-trip?

Our cheapest airline available from Idaho to Washington is Major Airline. Our recent data shows that you can find tickets from as low as $205 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $215 and $215 round-trip.

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

The cheapest airlines for a one-way flight from Idaho to Washington are American Airlines ($108), United Airlines ($108), and Delta ($128).

Departure points for flights from Idaho to Washington

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

Destination information for Washington

Things to know before you go - useful duration and weather info for your trip from Idaho to Washington.
Average temperature for May in Washington
77.0 °F
Avg rainfall for May in Washington
4.1 ″

Airports servicing

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

Airports servicing Washington

Reagan National (DCA)

Top 5 airlines flying from Idaho to Washington

The chart below displays the airlines Cheapflights users traveling from Idaho to Washington choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$110 $200 No cancel fee 62%
Alaska Airlines
$172 $304 No cancel fee 75%
American Airlines
$138 $428 No cancel fee 71%
United Airlines
$173 $530 No cancel fee 69%
Delta
$169 $608 No cancel fee N/A
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