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Dulles Intl

$148+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
GEG — IAD
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
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 July 28, 2025.

Round-trip from

$296
(Hawaiian Airlines)

One-way from

$148
(Alaska Airlines)

Popular in

March

Cheapest in

July

Average price

$296
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 July 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 July 28, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 7/26. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:51 pmGEG - IAD
1 stop7h 42mHawaiian Airlines
Mon 9/159:00 amIAD - GEG
1 stop10h 51mHawaiian Airlines
Deal found 7/26$296
This Delta deal was found by Cheapflights users on 7/28. 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 8/2210:54 pmGEG - IAD
1 stop9h 29mDelta
Mon 8/257:35 amIAD - GEG
1 stop8h 06mDelta
Deal found 7/28$297
This Southwest deal was found by Cheapflights users on 7/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/225:45 amGEG - IAD
1 stop9h 30mSouthwest
Mon 8/256:50 pmIAD - GEG
1 stop7h 10mSouthwest
Deal found 7/26$330
This American Airlines deal was found by Cheapflights users on 7/27. 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 8/226:00 amGEG - IAD
1 stop10h 00mAmerican Airlines
Mon 8/256:27 amIAD - GEG
1 stop8h 12mAmerican Airlines
Deal found 7/27$382
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2212:39 pmGEG - IAD
2 stops15h 53mAlaska Airlines
Mon 8/257:00 amIAD - GEG
1 stop8h 43mAlaska Airlines
Deal found 7/27$415
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2811:53 amGEG - IAD
3 stops25h 22mMultiple Airlines
Mon 9/111:24 amIAD - GEG
1 stop7h 14mMultiple Airlines
Deal found 7/28$465
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:25 pmGEG - IAD
1 stop7h 59mUnited Airlines
Fri 8/156:35 amIAD - GEG
1 stop7h 21mUnited Airlines
Deal found 7/27$585

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 28, 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

Fri 9/12

8:51 pm-7:33 am

1 stop7h 42m

Washington, D.C. Dulles Intl

Mon 9/15

9:00 am-4:51 pm

1 stop10h 51m

$296

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Fri 8/22

10:54 pm-11:23 am

1 stop9h 29m

Washington, D.C. Dulles Intl

Mon 8/25

7:35 am-12:41 pm

1 stop8h 06m

$297

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Fri 8/22

5:45 am-6:15 pm

1 stop9h 30m

Washington, D.C. Dulles Intl

Mon 8/25

6:50 pm-11:00 pm

1 stop7h 10m

$330

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Fri 8/22

6:00 am-7:00 pm

1 stop10h 00m

Washington, D.C. Dulles Intl

Mon 8/25

6:27 am-11:39 am

1 stop8h 12m

$382

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Fri 8/22

12:39 pm-7:32 am

2 stops15h 53m

Washington, D.C. Dulles Intl

Mon 8/25

7:00 am-12:43 pm

1 stop8h 43m

$415

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Thu 8/28

11:53 am-4:15 pm

3 stops25h 22m

Washington, D.C. Dulles Intl

Mon 9/1

11:24 am-3:38 pm

1 stop7h 14m

$465

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Mon 8/11

6:25 pm-5:24 am

1 stop7h 59m

Washington, D.C. Dulles Intl

Fri 8/15

6:35 am-10:56 am

1 stop7h 21m

$585

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Fri 9/19

8:51 pm-7:33 am

1 stop7h 42m

$148

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Fri 10/31

12:51 pm-11:18 pm

1 stop7h 27m

$149

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Thu 11/13

5:25 am-11:30 pm

2 stops15h 05m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 16 results
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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 $309). 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 July 28, 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.

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 28, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta 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

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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
7,975 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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.
Hawaiian Airlines
7.8
Good
2,604 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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
8,892 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

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.

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

    Flying on Hawaiian Airlines is currently your cheapest option to Washington, D.C. Dulles Intl Airport, with prices starting at $296. Additional round-trip tickets that might be worth considering are offered by Delta and Southwest, with the lowest prices starting at $297 and $330, respectively. Hawaiian Airlines is 30% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Spokane to Washington, D.C. Dulles Intl Airport one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $148. Users have also found prices from $149 and $159 on Delta and Southwest, respectively.

  • 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 $309). 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
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Easton
Towson
Linthicum Heights
Fairfax
Manassas
Falls Church
Waldorf
Laurel
Rockville
Oxon Hill
Springfield
National Harbor
Dundalk

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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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$174Average$481FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$296Average$396FlexibilityNo cancel feeOn-time69%
DeltaCheapest$296Average$453FlexibilityNo cancel feeOn-timeN/A

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