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Cheap flights from Washington, D.C. Dulles Intl Airport to Spokane from $158

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, D.C. Dulles Intl Airport to Spokane departing on 1/20. 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 Washington, D.C. Dulles Intl Airport to Spokane

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:04 pm - 12:23 am
IAD
-
GEG
9h 19m1 stop
Alaska Airlines Logo
12:10 pm - 4:26 pm
GEG
-
IAD
25h 16m1 stop
$287Alaska Airlines
Thu, Jan 8 - Mon, Jan 12
Alaska Airlines Logo
7:33 am - 12:48 pm
IAD
-
GEG
8h 15m1 stop
Alaska Airlines Logo
5:45 am - 4:26 pm
GEG
-
IAD
7h 41m1 stop
$296Alaska Airlines
Tue, Jan 6 - Tue, Jan 13
Alaska Airlines Logo
6:04 pm - 12:23 am
IAD
-
GEG
9h 19m1 stop
Alaska Airlines Logo
5:45 am - 4:26 pm
GEG
-
IAD
7h 41m1 stop
$316Alaska Airlines
Sat, Jan 24 - Wed, Jan 28
Delta Logo
7:00 am - 1:08 pm
IAD
-
GEG
9h 08m1 stop
Delta Logo
11:20 am - 11:10 pm
GEG
-
IAD
8h 50m1 stop
$317Delta
Sat, Feb 14 - Tue, Feb 17
Delta Logo
12:38 pm - 8:56 pm
IAD
-
GEG
11h 18m2 stops
Delta Logo
2:05 pm - 11:55 pm
GEG
-
IAD
6h 50m1 stop
$322Delta
Sat, Feb 14 - Tue, Feb 17
Alaska Airlines Logo
6:04 pm - 12:23 am
IAD
-
GEG
9h 19m1 stop
Alaska Airlines Logo
5:45 am - 4:26 pm
GEG
-
IAD
7h 41m1 stop
$336Alaska Airlines
Sun, Jan 25 - Sat, Jan 31
United Airlines Logo
6:20 am - 12:45 pm
IAD
-
GEG
9h 25m1 stop
United Airlines Logo
6:53 am - 8:54 pm
GEG
-
IAD
11h 01m1 stop
$340United Airlines
Thu, Jan 1 - Tue, Jan 6
Southwest Logo
4:30 pm - 10:30 pm
IAD
-
GEG
9h 00m1 stop
Southwest Logo
5:25 am - 5:25 pm
GEG
-
IAD
9h 00m1 stop
$348Southwest
Sat, Feb 28 - Sat, Mar 7
Alaska Airlines Logo
6:04 pm - 11:04 pm
IAD
-
GEG
8h 00m1 stop
Alaska Airlines Logo
5:45 am - 4:26 pm
GEG
-
IAD
7h 41m1 stop
$351Alaska Airlines
Thu, Jan 22 - Sat, Jan 24
United Airlines Logo
2:24 pm - 8:58 pm
IAD
-
GEG
9h 34m1 stop
United Airlines Logo
1:48 pm - 11:22 pm
GEG
-
IAD
6h 34m1 stop
$352United Airlines
Mon, Jan 5 - Sat, Jan 10

United Airlines flights from Washington, D.C. Dulles Intl Airport to Spokane

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Spokane flight tickets
United Airlines
Jan 1
IAD6:20 amWashington, D.C. Dulles Intl
9h 25m
1 stop
GEG12:45 pmSpokane
Jan 6
GEG6:53 amSpokane
11h 01m
1 stop
IAD8:54 pmWashington, D.C. Dulles Intl
$340
Find similar
United Airlines
Jan 2
IAD6:20 amWashington, D.C. Dulles Intl
9h 25m
1 stop
GEG12:45 pmSpokane
Jan 12
GEG1:48 pmSpokane
6h 34m
1 stop
IAD11:22 pmWashington, D.C. Dulles Intl
$386
Find similar
United Airlines
Jan 3
IAD2:24 pmWashington, D.C. Dulles Intl
9h 34m
1 stop
GEG8:58 pmSpokane
Jan 10
GEG11:25 amSpokane
6h 52m
1 stop
IAD9:17 pmWashington, D.C. Dulles Intl
$452
Find similar

Southwest flights from Washington, D.C. Dulles Intl Airport to Spokane

Our best Southwest deals on Washington, D.C. Dulles Intl Airport to Spokane flight tickets
Southwest
Feb 28
IAD4:30 pmWashington, D.C. Dulles Intl
9h 00m
1 stop
GEG10:30 pmSpokane
Mar 7
GEG5:25 amSpokane
9h 00m
1 stop
IAD5:25 pmWashington, D.C. Dulles Intl
$348
Find similar
Southwest
Feb 28
IAD5:05 amWashington, D.C. Dulles Intl
13h 25m
2 stops
GEG3:30 pmSpokane
Mar 7
GEG2:45 pmSpokane
6h 40m
1 stop
IAD12:25 amWashington, D.C. Dulles Intl
$353
Find similar
Southwest
Feb 28
IAD5:05 amWashington, D.C. Dulles Intl
13h 25m
2 stops
GEG3:30 pmSpokane
Mar 7
GEG5:55 amSpokane
15h 30m
2 stops
IAD12:25 amWashington, D.C. Dulles Intl
$377
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Spokane that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 8, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Spokane that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Thu 1/8

6:04 pm-12:23 am

1 stop9h 19m

Spokane

Mon 1/12

12:10 pm-4:26 pm

1 stop25h 16m

$287

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Tue 1/6

7:33 am-12:48 pm

1 stop8h 15m

Spokane

Tue 1/13

5:45 am-4:26 pm

1 stop7h 41m

$296

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Sat 1/24

6:04 pm-12:23 am

1 stop9h 19m

Spokane

Wed 1/28

5:45 am-4:26 pm

1 stop7h 41m

$316

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Sat 2/14

7:00 am-1:08 pm

1 stop9h 08m

Spokane

Tue 2/17

11:20 am-11:10 pm

1 stop8h 50m

$317

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Sat 2/14

12:38 pm-8:56 pm

2 stops11h 18m

Spokane

Tue 2/17

2:05 pm-11:55 pm

1 stop6h 50m

$322

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Sun 1/25

6:04 pm-12:23 am

1 stop9h 19m

Spokane

Sat 1/31

5:45 am-4:26 pm

1 stop7h 41m

$336

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Thu 1/1

6:20 am-12:45 pm

1 stop9h 25m

Spokane

Tue 1/6

6:53 am-8:54 pm

1 stop11h 01m

$340

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Sat 2/28

4:30 pm-10:30 pm

1 stop9h 00m

Spokane

Sat 3/7

5:25 am-5:25 pm

1 stop9h 00m

$348

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Thu 1/22

6:04 pm-11:04 pm

1 stop8h 00m

Spokane

Sat 1/24

5:45 am-4:26 pm

1 stop7h 41m

$351

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Mon 1/5

2:24 pm-8:58 pm

1 stop9h 34m

Spokane

Sat 1/10

1:48 pm-11:22 pm

1 stop6h 34m

$352

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Spokane from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Spokane

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 day to depart on your flight to Spokane?

The cheapest day to depart on your flight to Spokane is on a Tuesday when prices can be found for as low as $447. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $528.

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

According to our data, the cheapest time of day to fly to Spokane is in the afternoon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Spokane in the afternoon for as low as $484. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $512. Of course, these prices can vary depending on the time of year and what airport you fly to.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Spokane flights?

You could potentially save up to 47% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Spokane flight.

How have Washington, D.C. Dulles Intl Airport to Spokane flight prices changed over time?

As of December 2025, prices for Washington, D.C. Dulles Intl Airport to Spokane flights are approximately 59% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Spokane

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Spokane according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Spokane (IAD to GEG) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Spokane

Fastest flight time

7h 05m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Spokane takes 7h 05m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Spokane. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Spokane.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Spokane by plane?

    The distance between Washington, D.C. Dulles Intl and Spokane is about 2071.3 mi. 7h 05m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Spokane Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Spokane Airport refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Spokane Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Spokane Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Spokane Airport.

  • What documentation or ID do you need to fly to Spokane Airport?

    The required travel and health documents for your Spokane Airport 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 Spokane Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Spokane?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Spokane

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Spokane with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $260Free CancellationRating
8.0
11,417 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
9,084 reviews
Search United Airlines flights
DeltaPriceFrom $296Free CancellationRating
7.9
8,011 reviews
Search Delta flights
SouthwestPriceFrom $367Free CancellationRating
8.0
4,252 reviews
Search Southwest flights

Traveling to a place near Spokane?

Book flights to Spokane if you plan to visit one of these locations
Coeur d'Alene
Sandpoint
Spokane Valley
Bonners Ferry
Post Falls
Kellogg
Airway Heights
Ritzville

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Spokane?

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

Can I find flights from Washington, D.C. to Spokane with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Spokane on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Spokane?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Spokane.

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

Of course. momondo tracks the price of Washington, D.C. to Spokane flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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