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Dulles Intl

$129+ Cheap flights from Redmond (RDM) 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — IAD
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from Redmond to Dulles Intl

Cheapest flights from Redmond to Dulles Intl
Explore the most affordable flight options available from Redmond to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This SmartFares deal was found by Cheapflights users on 1/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:26 pm
RDM
-
IAD
1 stop7h 14m
Alaska Airlines
Thu 3/127:05 am
IAD
-
RDM
1 stop7h 50m
Alaska Airlines
Deal found 1/18$298
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/57:26 pm
RDM
-
IAD
1 stop7h 14m
Alaska Airlines
Wed 3/117:05 am
IAD
-
RDM
1 stop17h 27m
Alaska Airlines
Deal found 1/19$317
This United Airlines deal was found by Cheapflights users on 1/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:02 pm
RDM
-
IAD
1 stop9h 29m
United Airlines
Thu 2/264:10 pm
IAD
-
RDM
1 stop9h 35m
United Airlines
Deal found 1/19$333
This Delta deal was found by Cheapflights users on 1/19. 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.
Tue 2/2412:25 pm
RDM
-
IAD
1 stop8h 21m
Delta
Thu 2/2612:24 pm
IAD
-
RDM
2 stops13h 21m
Delta
Deal found 1/19$338
This Alaska Airlines deal was found by Cheapflights users on 1/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:31 pm
RDM
-
IAD
1 stop7h 28m
Alaska Airlines
Tue 6/96:00 am
IAD
-
RDM
1 stop9h 37m
Alaska Airlines
Deal found 1/18$373
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/96:18 pm
RDM
-
IAD
1 stop19h 08m
Alaska Airlines
Sat 2/147:05 am
IAD
-
RDM
1 stop17h 27m
Alaska Airlines
Deal found 1/19$377
This Delta deal was found by Cheapflights users on 1/19. 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 3/511:23 am
RDM
-
IAD
1 stop8h 47m
Delta
Wed 3/111:19 pm
IAD
-
RDM
2 stops12h 36m
Delta
Deal found 1/19$378
This Alaska Airlines deal was found by Cheapflights users on 1/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/281:31 pm
RDM
-
IAD
1 stop7h 28m
Alaska Airlines
Tue 6/96:00 am
IAD
-
RDM
1 stop9h 37m
Alaska Airlines
Deal found 1/18$391
This United Airlines deal was found by Cheapflights users on 1/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/276:51 pm
RDM
-
IAD
1 stop9h 14m
United Airlines
Mon 6/85:15 pm
IAD
-
RDM
1 stop7h 05m
United Airlines
Deal found 1/18$406
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/125:10 am
RDM
-
IAD
1 stop8h 37m
United Airlines
Sun 2/152:36 pm
IAD
-
RDM
1 stop11h 09m
United Airlines
Deal found 1/20$409

Find flight deals from Redmond to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Redmond (RDM) 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 January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$298
(SmartFares)

One-way from

$129
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$390
Provider with most accurate pricing for Bend/Redmond-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bend/Redmond-Washington, D.C. Dulles Intl flights.
Search Deals
From Bend/Redmond to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Bend/Redmond to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Redmond 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 January 20, 2026.
Use the filters below to find and compare flights from Redmond to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Redmond

Fly to

Dulles Intl

Route

Depart

Return

Price

RedmondWashington, D.C.

RDM - IAD

RDMIAD

Bend/Redmond

Tue 2/24

12:25 pm-11:46 pm

1 stop8h 21m

Washington, D.C. Dulles Intl

Thu 2/26

12:24 pm-10:45 pm

2 stops13h 21m

$338

RedmondWashington, D.C.

RDM - IAD

RDMIAD

Bend/Redmond

Thu 3/5

11:23 am-11:10 pm

1 stop8h 47m

Washington, D.C. Dulles Intl

Wed 3/11

1:19 pm-10:55 pm

2 stops12h 36m

$378

RedmondWashington, D.C.

RDM - IAD

RDMIAD

Bend/Redmond

Wed 5/27

6:51 pm-7:05 am

1 stop9h 14m

Washington, D.C. Dulles Intl

Mon 6/8

5:15 pm-9:20 pm

1 stop7h 05m

$406

RedmondWashington, D.C.

RDM - IAD

RDMIAD

Bend/Redmond

Thu 2/12

5:10 am-4:47 pm

1 stop8h 37m

Washington, D.C. Dulles Intl

Sun 2/15

2:36 pm-10:45 pm

1 stop11h 09m

$409

RedmondWashington, D.C.

RDM - IAD

RDMIAD

Bend/Redmond

Thu 5/28

5:20 pm-9:10 am

2 stops12h 50m

Washington, D.C. Dulles Intl

Tue 6/9

7:10 am-12:11 pm

1 stop8h 01m

$414

RedmondWashington, D.C.

RDM - IAD

RDMIAD

Bend/Redmond

Tue 5/26

5:20 pm-11:55 pm

1 stop27h 35m

Washington, D.C. Dulles Intl

Tue 6/9

7:10 am-12:11 pm

1 stop8h 01m

$416

RedmondWashington, D.C.

RDM - IAD

RDMIAD

Bend/Redmond

Fri 5/22

5:27 pm-11:59 pm

1 stop27h 32m

Washington, D.C. Dulles Intl

Wed 5/27

6:00 am-9:13 am

1 stop30h 13m

$423

RedmondWashington, D.C.

RDM - IAD

RDMIAD

Bend/Redmond

Mon 2/9

6:18 pm-5:04 pm

2 stops19h 46m

Washington, D.C. Dulles Intl

Sat 2/14

7:05 am-9:32 pm

1 stop17h 27m

$425

RedmondWashington, D.C.

RDM - IAD

RDMIAD

Bend/Redmond

Thu 5/28

7:27 pm-7:34 am

1 stop9h 07m

Washington, D.C. Dulles Intl

Sun 6/7

5:33 pm-12:16 am

1 stop9h 43m

$454

RedmondWashington, D.C.

RDM - IAD

RDMIAD

Bend/Redmond

Tue 6/2

12:30 pm-11:55 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

Tue 6/23

7:10 am-12:11 pm

1 stop8h 01m

$464

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 22 results
1
2
3
  • Most accurate provider: When it comes to deals on Redmond-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 Redmond-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Redmond-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 Redmond-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 Redmond-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 Redmond to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Redmond 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 Redmond to Washington, D.C. Dulles Intl Airport

How much does it cost to fly round-trip from Redmond 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 January 20, 2026.
Read through reviews of airlines operating flights from Redmond to Washington, D.C. Dulles Intl Airport, such as Alaska Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,764 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,764 reviews
Alaska Airlines
8.0
Very good
11,764 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,188 reviews
Alaska Airlines
8.0
Very good
11,764 reviews

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Redmond 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 Redmond to Washington, D.C. Dulles Intl?

    Bend/Redmond (RDM), located 1.8 mi from the city center, is the airport you fly out of when you book flights from Redmond to Washington, D.C. Dulles Intl. 2 airlines have flights from Bend/Redmond to Washington, D.C. Dulles Intl on a regular basis. Booking flights from Bend/Redmond to Washington, D.C. Dulles Intl should not be difficult; the airport handles an average of 0 outbound flights to Washington, D.C. Dulles Intl per day.

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

    For as low as $338, Delta can have you in Washington, D.C. Dulles Intl Airport from Redmond in 8h 21m. The distance between Redmond and Washington, D.C. Dulles Intl Airport is about 2259 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Currently priced at $353, Alaska Airlines will fly you from Redmond to Washington, D.C. Dulles Intl Airport and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $388. Alaska Airlines is priced at 33% lower than the current average price of a flight leaving 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Redmond 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.

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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Herndon
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Redmond to Dulles Intl

Discover the top 2 airlines that operate flights from Redmond 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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$353Average$588FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$388Average$585FlexibilityNo cancel feeOn-time69%

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