$166+ Cheap flights from Redmond (RDM) to Dulles Intl (IAD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/16. Fares are subject to change and may not be available on all flights or dates of travel.
RDM — IAD
Nov 8 — Nov 151
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Redmond to Dulles Intl
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One-way
Cheapest flights from Redmond to Dulles IntlExplore 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 October 9, 2026.
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 October 9, 2026.
This Delta deal was found by Cheapflights users on 10/7. 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 12/101:23 pm -
1 stop8h 08m
Wed 12/167:00 am -
1 stop8h 43m
Deal found 10/7![Delta logo]()
$423
This Delta deal was found by Cheapflights users on 10/8. 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 11/77:33 pm -
2 stops12h 48m
Tue 11/107:00 am -
2 stops14h 47m
Deal found 10/8![Delta logo]()
$433
This deal was found by Cheapflights users on 10/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:25 pm -
1 stop8h 10m
Wed 11/117:00 am -
1 stop8h 40m
Deal found 10/4![Delta logo]()
$443
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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.
Tue 11/35:41 pm -
1 stop9h 03m
Wed 11/117:46 am -
1 stop12h 15m
Deal found 10/6![Alaska Airlines logo]()
$453
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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.
Sat 11/75:41 pm -
1 stop9h 03m
Tue 11/107:46 am -
1 stop19h 03m
Deal found 10/8![Alaska Airlines logo]()
$463
This deal was found by Cheapflights users on 10/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:25 pm -
1 stop8h 10m
Tue 11/107:00 am -
1 stop7h 39m
Deal found 10/4![Delta logo]()
$471
This Delta deal was found by Cheapflights users on 10/8. 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 11/512:25 pm -
2 stops9h 17m
Sat 11/712:20 pm -
2 stops13h 46m
Deal found 10/8![Delta logo]()
$476
This Delta deal was found by Cheapflights users on 10/5. 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 11/36:10 am -
2 stops15h 32m
Wed 11/117:00 am -
1 stop8h 40m
Deal found 10/5![Delta logo]()
$481
Best flights from Redmond to Dulles IntlDiscover carefully curated flight deals from Redmond to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
Discover carefully curated flight deals from Redmond to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
This Delta deal was found by Cheapflights users on 10/8. 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 11/121:20 pm -
1 stop8h 00m
Sun 11/157:00 am -
1 stop8h 39m
Deal found 10/8![Delta logo]()
$423
This Delta deal was found by Cheapflights users on 10/6. 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 12/101:23 pm -
1 stop8h 08m
Wed 12/167:00 am -
1 stop8h 43m
Deal found 10/6![Delta logo]()
$423
This Delta deal was found by Cheapflights users on 10/6. 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.
Wed 11/47:33 pm -
2 stops13h 01m
Wed 11/1112:35 pm -
2 stops13h 22m
Deal found 10/6![Delta logo]()
$433
This Delta deal was found by Cheapflights users on 10/8. 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 11/77:33 pm -
2 stops12h 48m
Tue 11/107:00 am -
2 stops14h 47m
Deal found 10/8![Delta logo]()
$433
Last-minute flights from Redmond to Dulles IntlDiscover last-minute flight deals from Redmond to Dulles Intl. Data last updated October 9, 2026 and is based on user searches.
Discover last-minute flight deals from Redmond to Dulles Intl. Data last updated October 9, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/8. 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 11/37:33 pm -
2 stops13h 01m
Wed 11/117:00 am -
1 stop8h 40m
Deal found 10/8![Delta logo]()
$428
This Alaska Airlines deal was found by Cheapflights users on 10/6. 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.
Tue 11/35:41 pm -
1 stop9h 03m
Wed 11/117:46 am -
1 stop12h 15m
Deal found 10/6![Alaska Airlines logo]()
$453
This deal was found by Cheapflights users on 10/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:25 pm -
1 stop8h 10m
Tue 11/107:00 am -
1 stop7h 39m
Deal found 10/4![Delta logo]()
$471
This deal was found by Cheapflights users on 10/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/412:25 pm -
1 stop8h 10m
Wed 11/117:00 am -
1 stop8h 40m
Deal found 10/4![Delta logo]()
$443
This Delta deal was found by Cheapflights users on 10/8. 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 11/512:25 pm -
2 stops9h 17m
Sat 11/712:20 pm -
2 stops13h 46m
Deal found 10/8![Delta logo]()
$476
This Delta deal was found by Cheapflights users on 10/8. 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 11/77:33 pm -
2 stops12h 48m
Tue 11/107:00 am -
2 stops14h 47m
Deal found 10/8![Delta logo]()
$433
This Alaska Airlines deal was found by Cheapflights users on 10/8. 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.
Sat 11/75:41 pm -
1 stop9h 03m
Tue 11/107:46 am -
1 stop19h 03m
Deal found 10/8![Alaska Airlines logo]()
$463
This Delta deal was found by Cheapflights users on 10/8. 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 11/121:20 pm -
1 stop8h 00m
Sun 11/157:00 am -
1 stop8h 39m
Deal found 10/8![Delta logo]()
$423
One-way flights from Redmond to Dulles IntlSearch for one-way flight options from Redmond to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
Search for one-way flight options from Redmond to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Mon 11/1612:20 pm -
3 stops49h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Mon 10/2612:20 pm -
2 stops20h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 10/7. 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.
Fri 10/3012:20 pm -
2 stops20h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Multiple Airlines logo]()
$198
This United Airlines deal was found by Cheapflights users on 10/4. 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 1/57:00 am -
1 stop10h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![United Airlines logo]()
$222
This Delta deal was found by Cheapflights users on 10/8. 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 11/161:20 pm -
1 stop8h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Delta logo]()
$232
This Delta deal was found by Cheapflights users on 10/7. 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.
Wed 10/286:10 am -
1 stop13h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Delta logo]()
$237
This Delta deal was found by Cheapflights users on 10/6. 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 12/41:23 pm -
1 stop8h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/6![Delta logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 10/8. 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.
Mon 12/2112:20 pm -
1 stop16h 07m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/8![Multiple Airlines logo]()
$267
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 October 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $423 (Delta) |
One-way from | $166 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $639 |
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 7,457,451 searches. Data last updated October 9, 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
Fly to
Route
Depart
Return
Cheapest round-trip
RedmondWashington, D.C.
RDM Bend/Redmond - IAD Washington, D.C. Dulles Intl
RDMIAD
Bend/Redmond
Thu 11/26
6:20 am-7:54 pm
1 stop10h 34m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$232
RedmondWashington, D.C.
RDM Bend/Redmond - IAD Washington, D.C. Dulles Intl
RDMIAD
Bend/Redmond
Mon 11/16
1:20 pm-12:20 am
1 stop8h 00m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$232
RedmondWashington, D.C.
RDM Bend/Redmond - IAD Washington, D.C. Dulles Intl
RDMIAD
Bend/Redmond
Mon 11/16
2:05 pm-12:59 am
1 stop7h 54m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$255
RedmondWashington, D.C.
RDM Bend/Redmond - IAD Washington, D.C. Dulles Intl
RDMIAD
Bend/Redmond
Fri 1/8
12:35 pm-11:46 pm
1 stop8h 11m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$255
RedmondWashington, D.C.
RDM Bend/Redmond - IAD Washington, D.C. Dulles Intl
RDMIAD
Bend/Redmond
Mon 1/11
12:30 pm-11:51 pm
1 stop8h 21m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$255
RedmondWashington, D.C.
RDM Bend/Redmond - IAD Washington, D.C. Dulles Intl
RDMIAD
Bend/Redmond
Fri 12/4
1:23 pm-12:31 am
1 stop8h 08m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$255
Quickest round-trip
RedmondWashington, D.C.
RDM Bend/Redmond - IAD Washington, D.C. Dulles Intl
RDMIAD
Bend/Redmond
Sat 10/24
1:35 pm-11:59 pm
1 stop7h 24m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$273
RedmondWashington, D.C.
RDM Bend/Redmond - IAD Washington, D.C. Dulles Intl
RDMIAD
Bend/Redmond
Wed 10/21
7:33 pm-11:50 am
2 stops13h 17m
Washington, D.C. Dulles Intl
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$278
RedmondWashington, D.C.
RDM Bend/Redmond - IAD Washington, D.C. Dulles Intl
RDMIAD
Bend/Redmond
Thu 11/12
1:20 pm-12:20 am
1 stop8h 00m
Washington, D.C. Dulles Intl
Sun 11/15
7:00 am-12:39 pm
1 stop8h 39m
$423
RedmondWashington, D.C.
RDM Bend/Redmond - IAD Washington, D.C. Dulles Intl
RDMIAD
Bend/Redmond
Thu 12/10
1:23 pm-12:31 am
1 stop8h 08m
Washington, D.C. Dulles Intl
Wed 12/16
7:00 am-12:43 pm
1 stop8h 43m
$423
Showing 1-10 of 12 resultsSorted by cheapest first
- 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.
RDM-IAD
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.
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 October 9, 2026.
Read through reviews of airlines operating flights from Redmond to Washington, D.C. Dulles Intl Airport, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.1
Overall
7.4
Entertainment
7.1
Boarding
7.7
Food
6.7
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
Crew
8.1
Overall
7.4
Entertainment
7.1
Boarding
7.7
Food
6.7
Comfort
7.3
Reviews
1 / 20
10.0
ExcellentDane,Jan 2026
TYS - IAD
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.
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 locationsAlexandria
Arlington
Woodbridge
Chantilly
Owings Mills
Lanham
Herndon
Tysons
Reston
Hyattsville
Rockville
Springfield
Fredericksburg
Falls Church
Sterling
Laurel
Oxon Hill
Towson
Clinton
Hunt Valley
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Other flights to Dulles Intl
Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 9, 2026.
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Redmond and Dulles Intl flights
Browse other Redmond and Dulles Intl flight options. Last updated on October 9, 2026.
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Browse through other flights departing from Redmond. Flights are based on user searches made on Cheapflights and were last updated on October 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Redmond to Dulles Intl
Discover the top airline 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 7,457,451 searches. Data last updated October 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$406 | Average$639 | FlexibilityNo cancel fee | On-time69% |