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Cheap flights from Spokane to Washington, D.C. from $138

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Spokane to Washington, D.C. departing on 11/18. 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 Spokane to Washington, D.C. (GEG-IAD)

Cheap round-trip flights

Hawaiian Airlines Logo
7:39 pm - 6:23 amGEG-IAD
7h 44m1 stop
Hawaiian Airlines Logo
5:40 pm - 11:56 pmIAD-GEG
9h 16m1 stop
$286Hawaiian Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
United Airlines Logo
1:47 pm - 11:15 pmGEG-IAD
6h 28m1 stop
United Airlines Logo
2:25 pm - 8:45 pmIAD-GEG
9h 20m1 stop
$287United Airlines
Find Deal
Wed, Oct 29 - Mon, Nov 3
Delta Logo
11:20 am - 11:39 pmGEG-IAD
9h 19m2 stops
Delta Logo
5:15 am - 11:01 amIAD-GEG
8h 46m1 stop
$292Delta
Find Deal
Wed, Oct 29 - Sun, Nov 2
Alaska Airlines Logo
8:59 pm - 4:40 pmGEG-IAD
16h 41m1 stop
Alaska Airlines Logo
5:40 pm - 11:56 pmIAD-GEG
9h 16m1 stop
$296Alaska Airlines
Find Deal
Fri, Nov 7 - Fri, Nov 14
Delta Logo
1:00 pm - 11:32 pmGEG-IAD
7h 32m1 stop
Delta Logo
7:35 am - 12:42 pmIAD-GEG
8h 07m1 stop
$297Delta
Find Deal
Fri, Sep 5 - Sun, Sep 14
Alaska Airlines Logo
7:34 pm - 7:33 amGEG-IAD
8h 59m1 stop
Alaska Airlines Logo
7:48 pm - 8:20 amIAD-GEG
15h 32m1 stop
$336Alaska Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
Southwest Logo
12:40 pm - 10:10 pmGEG-IAD
6h 30m1 stop
Southwest Logo
7:40 am - 10:00 pmIAD-GEG
17h 20m2 stops
$370Southwest
Find Deal
Thu, Dec 11 - Mon, Dec 15
Southwest Logo
6:25 am - 11:05 pmGEG-IAD
13h 40m2 stops
Southwest Logo
5:05 am - 9:20 amIAD-GEG
7h 15m1 stop
$382Southwest
Find Deal
Wed, Oct 29 - Sun, Nov 2
American Airlines Logo
6:00 am - 6:51 pmGEG-IAD
9h 51m2 stops
American Airlines Logo
11:47 am - 6:39 pmIAD-GEG
9h 52m1 stop
$421American Airlines
Find Deal
Wed, Sep 17 - Mon, Sep 22
American Airlines Logo
6:00 am - 4:50 pmGEG-IAD
7h 50m1 stop
American Airlines Logo
11:18 am - 6:39 pmIAD-GEG
10h 21m2 stops
$436American Airlines
Find Deal
Tue, Sep 9 - Tue, Sep 16

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

Our best Alaska Airlines deals on Spokane to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
Nov 7
GEG8:59 pmSpokane
16h 41m
1 stop
IAD4:40 pmWashington, D.C. Dulles Intl
Nov 14
IAD5:40 pmWashington, D.C. Dulles Intl
9h 16m
1 stop
GEG11:56 pmSpokane
$296
Find similar
Alaska Airlines
Oct 16
GEG7:34 pmSpokane
8h 59m
1 stop
IAD7:33 amWashington, D.C. Dulles Intl
Oct 20
IAD7:48 pmWashington, D.C. Dulles Intl
15h 32m
1 stop
GEG8:20 amSpokane
$336
Find similar
Alaska Airlines
Oct 15
GEG1:31 pmSpokane
7h 52m
1 stop
IAD12:23 amWashington, D.C. Dulles Intl
Oct 24
IAD7:48 pmWashington, D.C. Dulles Intl
18h 18m
1 stop
GEG11:06 amSpokane
$389
Find similar

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

Our best Southwest deals on Spokane to Washington, D.C. Dulles Intl Airport flight tickets
Southwest
Dec 11
GEG12:40 pmSpokane
6h 30m
1 stop
IAD10:10 pmWashington, D.C. Dulles Intl
Dec 15
IAD7:40 amWashington, D.C. Dulles Intl
17h 20m
2 stops
GEG10:00 pmSpokane
$370
Find similar
Southwest
Oct 29
GEG6:25 amSpokane
13h 40m
2 stops
IAD11:05 pmWashington, D.C. Dulles Intl
Nov 2
IAD5:05 amWashington, D.C. Dulles Intl
7h 15m
1 stop
GEG9:20 amSpokane
$382
Find similar
Southwest
Oct 15
GEG6:25 amSpokane
13h 40m
2 stops
IAD11:05 pmWashington, D.C. Dulles Intl
Oct 24
IAD7:45 pmWashington, D.C. Dulles Intl
7h 05m
1 stop
GEG11:50 pmSpokane
$401
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Spokane to Washington, D.C. Dulles Intl Airport 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 August 26, 2025.
Use the filters below to find and compare flights from Spokane to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Tue 11/11

7:39 pm-6:23 am

1 stop7h 44m

Washington, D.C. Dulles Intl

Tue 11/18

5:40 pm-11:56 pm

1 stop9h 16m

$286

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Wed 10/29

1:47 pm-11:15 pm

1 stop6h 28m

Washington, D.C. Dulles Intl

Mon 11/3

2:25 pm-8:45 pm

1 stop9h 20m

$287

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Wed 10/29

11:20 am-11:39 pm

2 stops9h 19m

Washington, D.C. Dulles Intl

Sun 11/2

5:15 am-11:01 am

1 stop8h 46m

$292

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Fri 11/7

8:59 pm-4:40 pm

1 stop16h 41m

Washington, D.C. Dulles Intl

Fri 11/14

5:40 pm-11:56 pm

1 stop9h 16m

$296

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Fri 9/5

1:00 pm-11:32 pm

1 stop7h 32m

Washington, D.C. Dulles Intl

Sun 9/14

7:35 am-12:42 pm

1 stop8h 07m

$297

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Thu 10/16

7:34 pm-7:33 am

1 stop8h 59m

Washington, D.C. Dulles Intl

Mon 10/20

7:48 pm-8:20 am

1 stop15h 32m

$336

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Thu 12/11

12:40 pm-10:10 pm

1 stop6h 30m

Washington, D.C. Dulles Intl

Mon 12/15

7:40 am-10:00 pm

2 stops17h 20m

$370

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Wed 10/29

6:25 am-11:05 pm

2 stops13h 40m

Washington, D.C. Dulles Intl

Sun 11/2

5:05 am-9:20 am

1 stop7h 15m

$382

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Wed 9/17

6:00 am-6:51 pm

2 stops9h 51m

Washington, D.C. Dulles Intl

Mon 9/22

11:47 am-6:39 pm

1 stop9h 52m

$421

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Tue 9/9

6:00 am-4:50 pm

1 stop7h 50m

Washington, D.C. Dulles Intl

Tue 9/16

11:18 am-6:39 pm

2 stops10h 21m

$436

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

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

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 Washington, D.C. Dulles Intl Airport?

In general, July is the cheapest month to fly from Spokane to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $291. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $323.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Wednesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $392. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Spokane to Washington, D.C. Dulles Intl Airport for around $607.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Spokane in the evening is the least expensive time of day to depart. momondo users have found prices as low as $407 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $517 on average. Flights to Washington, D.C. Dulles Intl Airport from Spokane in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

As of August 2025, prices for Spokane to Washington, D.C. Dulles Intl Airport flights are approximately 51% cheaper when compared to flights at the same time last year.

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

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

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

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

Direct flights

None
There are no direct flights from Spokane to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Spokane to Washington, D.C. Dulles Intl Airport.
Search flight deals

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

    A flight from Spokane to Washington, D.C. Dulles Intl will travel around 2071.3 mi. Flights usually cover this in 6h 28m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Spokane Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Compare and see reviews for airlines that fly from Spokane to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $283Free CancellationRating
7.9
7,979 reviews
Search Delta flights
Alaska AirlinesPriceFrom $296Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $296Free CancellationRating
7.4
8,943 reviews
Search United Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Silver Spring
Colonial Beach
Fredericksburg
Harpers Ferry
Towson
Manassas
Rockville
Gaithersburg
Reston
Fairfax
Glen Burnie

Why use momondo?

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

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

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

Yes. momondo allows you to filter the results for Spokane to Washington, D.C. flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Spokane.

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

Yes. momondo can track prices for Spokane to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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