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Dulles Intl

$164+ Cheap flights from Spokane (GEG) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — IAD
Aug 23 — Aug 301
Sun 8/23
Sun 8/30
1 adult, Economy
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Cheap flight deals from Spokane to Dulles Intl

Cheapest flights from Spokane to Dulles Intl
Explore the most affordable flight options available from Spokane to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 24, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:12 am
GEG
-
IAD
1 stop18h 52m
Multiple Airlines
Sat 8/298:59 am
IAD
-
GEG
1 stop27h 23m
Multiple Airlines
Deal found 7/18$290
This Trip.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:21 pm
GEG
-
IAD
1 stop9h 19m
Alaska Airlines
Sat 9/197:00 am
IAD
-
GEG
1 stop8h 39m
Alaska Airlines
Deal found 7/20$318
This American Airlines deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:40 am
GEG
-
IAD
1 stop9h 47m
American Airlines
Sat 8/292:53 pm
IAD
-
GEG
1 stop8h 49m
American Airlines
Deal found 7/21$327
This Delta deal was found by Cheapflights users on 7/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:56 pm
GEG
-
IAD
1 stop7h 24m
Delta
Tue 8/256:49 pm
IAD
-
GEG
1 stop7h 20m
Delta
Deal found 7/19$328
This Priceline deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:17 pm
GEG
-
IAD
1 stop8h 42m
Alaska Airlines
Mon 9/217:00 am
IAD
-
GEG
1 stop8h 42m
Alaska Airlines
Deal found 7/21$329
This Delta deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:45 am
GEG
-
IAD
1 stop8h 24m
Delta
Wed 9/26:00 pm
IAD
-
GEG
1 stop8h 09m
Delta
Deal found 7/18$332
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2010:56 pm
GEG
-
IAD
1 stop7h 24m
Delta
Sun 8/236:00 am
IAD
-
GEG
1 stop9h 57m
Delta
Deal found 7/20$337
This Delta deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2410:56 pm
GEG
-
IAD
1 stop7h 24m
Delta
Mon 8/317:10 am
IAD
-
GEG
1 stop7h 58m
Delta
Deal found 7/21$339
This Delta deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:36 pm
GEG
-
IAD
1 stop8h 58m
Delta
Sun 8/236:00 am
IAD
-
GEG
1 stop9h 57m
Delta
Deal found 7/20$341
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/285:40 am
GEG
-
IAD
1 stop9h 47m
American Airlines
Wed 9/22:53 pm
IAD
-
GEG
1 stop8h 49m
American Airlines
Deal found 7/22$342

Find flight deals from Spokane to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Spokane (GEG) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$290
(Kiwi.com)

One-way from

$164
(Alaska Airlines)

Popular in

December

Cheapest in

May

Average price

$359
Provider with most accurate pricing for Spokane-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Spokane-Washington, D.C. Dulles Intl flights.
Search Deals
From Spokane to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Spokane to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($84 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Spokane to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated July 24, 2026.
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

Cheapest round-trip

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Sat 11/14

12:50 pm-1:17 am

1 stop9h 27m

Washington, D.C. Dulles Intl

Wed 11/18

6:05 am-12:18 pm

1 stop9h 13m

$327

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Wed 9/9

5:21 pm-5:40 am

1 stop9h 19m

Washington, D.C. Dulles Intl

Sat 9/19

7:00 am-12:39 pm

1 stop8h 39m

$337
Quickest round-trip

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Mon 8/24

10:56 pm-9:20 am

1 stop7h 24m

Washington, D.C. Dulles Intl

Mon 8/31

7:10 am-12:08 pm

1 stop7h 58m

$339

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Fri 8/21

12:36 pm-12:34 am

1 stop8h 58m

Washington, D.C. Dulles Intl

Sun 8/23

6:00 am-12:57 pm

1 stop9h 57m

$341

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Sun 9/27

10:50 pm-9:09 am

1 stop7h 19m

Washington, D.C. Dulles Intl

Tue 9/29

6:10 am-12:58 pm

1 stop9h 48m

$346

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Sat 11/14

4:37 pm-5:51 am

1 stop10h 14m

Washington, D.C. Dulles Intl

Tue 11/17

5:14 pm-11:59 pm

1 stop9h 45m

$359

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Sat 10/10

12:42 pm-11:59 pm

1 stop8h 17m

Washington, D.C. Dulles Intl

Sun 10/18

7:02 am-2:40 pm

1 stop10h 38m

$359

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Sun 11/22

12:40 pm-12:20 am

1 stop8h 40m

Washington, D.C. Dulles Intl

Tue 12/1

7:05 am-2:45 pm

1 stop10h 40m

$378

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Thu 9/24

12:17 pm-11:59 pm

1 stop8h 42m

Washington, D.C. Dulles Intl

Sun 9/27

7:00 am-12:39 pm

1 stop8h 39m

$391
Cheapest one-way

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Sat 10/10

6:03 am-4:30 pm

1 stop7h 27m

$164

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Spokane to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Spokane to Dulles Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Spokane-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Spokane-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Spokane-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Spokane-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Spokane-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Spokane to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Spokane with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Spokane to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Spokane to Washington, D.C. Dulles Intl Airport?

Currently, May is the cheapest month in which you can book a flight from Spokane to Washington, D.C. Dulles Intl Airport (average of $296). Flying from Spokane to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $922). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Spokane to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Spokane to Washington, D.C. Dulles Intl Airport flights typically cost between $356 and $596 in September.
The cheapest round-trip price found within the last 5 days was $318 on Alaska Airlines (Sep 9-Sep 19).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated July 24, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Delta, andUnited Airlines from Spokane to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,702 reviews

Overall

7.9

Food

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Alaska Airlines
7.9
Good
12,702 reviews
Alaska Airlines
7.9
Good
12,702 reviews

Overall

7.9

Food

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
Delta
7.8
Good
8,484 reviews
Alaska Airlines
7.9
Good
12,702 reviews

Overall

7.9

Food

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.
United Airlines
7.4
Good
10,024 reviews
Alaska Airlines
7.9
Good
12,702 reviews

Overall

7.9

Food

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2026

SEA - RNO

There was a delay and my husband needs a wheelchair and we were moved from 1 gate to another.

Related info for your journey

Find useful and relevant information for your journey from Spokane to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Spokane to Washington, D.C. Dulles Intl?

    For a flight from Spokane to Washington, D.C. Dulles Intl, you will be flying from Spokane. Spokane (GEG) is just 5.6 mi from the center of the city. Spokane is the only Spokane airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 3 airlines have flights to Washington, D.C. Dulles Intl from Spokane on a regular basis.

  • How long is the flight from Spokane to Washington, D.C. Dulles Intl Airport?

    A quick flight from Spokane to Washington, D.C. Dulles Intl Airport can take about 7h 24m. United Airlines provides one of the quickest options available for as low as $339. The distance between Spokane and Washington, D.C. Dulles Intl Airport is about 2076 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Spokane to Washington, D.C. Dulles Intl Airport round-trip?

    Flying on Delta is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $164. Additional round-trip tickets that might be worth considering are offered by Alaska Airlines and United Airlines, with the lowest prices starting at $296 and $300, respectively. Delta is 66% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Spokane to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Spokane to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Spokane to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Spokane to Dulles Intl.

  • Can I find deals for business class flights from Spokane to Dulles Intl?

    Yes. Cheapflights offers flight deals from Spokane to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Spokane to Washington, D.C. Dulles Intl Airport?

    Currently, May is the cheapest month in which you can book a flight from Spokane to Washington, D.C. Dulles Intl Airport (average of $296). Flying from Spokane to Washington, D.C. Dulles Intl Airport in December is currently the most expensive (average of $922). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Sterling
Clinton
Hunt Valley
Cordova

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Top 3 airlines flying from Spokane to Dulles Intl

Discover the top 3 airlines that operate flights from Spokane to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$164Average$405FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$296Average$549FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$300Average$416FlexibilityNo cancel feeOn-time69%

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