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Dulles Intl

$92+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$221
(Delta)

One-way from

$92
(Southwest)

Popular in

March

Cheapest in

July

Average price

$357
From Spokane to Washington, D.C. Dulles Intl
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One-way flight from Spokane to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 18% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/11. 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 11/61:10 pmGEG - IAD
1 stop7h 23mDelta
Mon 11/107:15 amIAD - GEG
1 stop10h 39mDelta
Deal found 9/11$221
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 11/12:17 pmGEG - IAD
1 stop6h 22mDelta
Wed 11/57:35 amIAD - GEG
1 stop8h 00mDelta
Deal found 9/10$227
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 11/11:10 pmGEG - IAD
1 stop7h 23mDelta
Mon 11/37:35 amIAD - GEG
1 stop8h 00mDelta
Deal found 9/10$235
This Delta deal was found by Cheapflights users on 9/10. 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.
Sat 11/19:45 amGEG - IAD
2 stops10h 54mDelta
Thu 11/66:18 amIAD - GEG
1 stop9h 47mDelta
Deal found 9/10$240
This Delta deal was found by Cheapflights users on 9/11. 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 10/171:15 pmGEG - IAD
1 stop8h 25mDelta
Tue 10/217:35 amIAD - GEG
1 stop8h 00mDelta
Deal found 9/11$249
This Delta deal was found by Cheapflights users on 9/9. 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 10/277:23 pmGEG - IAD
2 stops13h 06mDelta
Thu 10/306:05 amIAD - GEG
2 stops9h 30mDelta
Deal found 9/9$259
This KAYAK deal was found by Cheapflights users on 9/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/277:39 pmGEG - IAD
1 stop7h 44mAlaska Airlines
Wed 11/55:40 pmIAD - GEG
1 stop9h 16mAlaska Airlines
Deal found 9/10$261
This Delta deal was found by Cheapflights users on 9/10. 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 10/312:17 pmGEG - IAD
1 stop6h 22mDelta
Mon 11/36:15 amIAD - GEG
1 stop8h 46mDelta
Deal found 9/10$263

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 September 11, 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

Spokane

Fly to

Dulles Intl

Route

Depart

Return

Price

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Tue 3/3

12:40 pm-12:07 am

1 stop8h 27m

Washington, D.C. Dulles Intl

Wed 3/4

6:15 am-1:14 pm

1 stop9h 59m

$221

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Sat 11/1

2:17 pm-11:39 pm

1 stop6h 22m

Washington, D.C. Dulles Intl

Tue 11/4

6:15 am-12:01 pm

1 stop8h 46m

$227

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Sat 11/1

1:10 pm-11:33 pm

1 stop7h 23m

Washington, D.C. Dulles Intl

Mon 11/3

7:35 am-12:35 pm

1 stop8h 00m

$235

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Sat 11/1

9:45 am-11:39 pm

2 stops10h 54m

Washington, D.C. Dulles Intl

Thu 11/6

6:18 am-1:05 pm

1 stop9h 47m

$240

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Mon 10/27

12:45 pm-12:56 am

1 stop9h 11m

Washington, D.C. Dulles Intl

Thu 10/30

6:30 am-11:31 am

1 stop8h 01m

$249

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Fri 10/17

1:15 pm-12:40 am

1 stop8h 25m

Washington, D.C. Dulles Intl

Tue 10/21

7:35 am-12:35 pm

1 stop8h 00m

$249

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Mon 10/27

12:51 pm-12:12 am

1 stop8h 21m

Washington, D.C. Dulles Intl

Thu 10/30

6:05 am-12:35 pm

2 stops9h 30m

$254

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Fri 10/31

1:15 pm-12:40 am

1 stop8h 25m

Washington, D.C. Dulles Intl

Tue 11/4

7:35 am-12:35 pm

1 stop8h 00m

$255

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Wed 11/19

6:05 am-3:45 pm

1 stop6h 40m

$92

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Tue 11/18

12:40 pm-10:10 pm

1 stop6h 30m

$92

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 19 results
1
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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, August is the cheapest month in which you can book a flight from Spokane to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Spokane to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

What is the cheapest time of day to fly from GEG to IAD?

Find hourly flight availability from Spokane to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

It’s typically best to fly out from Spokane to Washington, D.C. Dulles Intl Airport in the afternoon. Doing so could potentially save you 22% on the flight price compared to flying in the morning, which is usually more expensive.

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

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 September 11, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, and United 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
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,960 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,937 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 8h 27m. Delta provides one of the quickest options available for as low as $221. 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 $283. 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 $296, respectively. Delta is 33% 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, August is the cheapest month in which you can book a flight from Spokane to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Spokane to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Spokane to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$283Average$464FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$296Average$491FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$296Average$401FlexibilityNo cancel feeOn-time69%

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