$154 Cheap Delta flights Redmond (RDM) to Washington (IAD)

View $154 flight on Sun, Jan 11, 2026Opens in a new window

$154 Cheap Delta flights Redmond (RDM) to Washington (IAD)

Prices were available within the past 7 days and start at $154 for one-way flights and $227 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jan 6 - Mon, Jan 12
RDM
Redmond
IAD
Washington
$227 Roundtrip, found 3 days ago
$227
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Jan 6 from Redmond to Washington, returning Mon, Jan 12, priced at $227 found 3 days ago
Delta
Mon, Mar 16 - Sat, Mar 21
RDM
Redmond
IAD
Washington
$287 Roundtrip, found 2 days ago
$287
Roundtrip
found 2 days ago
Select Delta flight, departing Mon, Mar 16 from Redmond to Washington, returning Sat, Mar 21, priced at $287 found 2 days ago
Delta
Fri, Mar 13 - Tue, Mar 17
RDM
Redmond
IAD
Washington
$291 Roundtrip, found 4 days ago
$291
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Mar 13 from Redmond to Washington, returning Tue, Mar 17, priced at $291 found 4 days ago
Delta
Fri, Jan 16 - Sun, Jan 18
RDM
Redmond
IAD
Washington
$312 Roundtrip, found 11 hours ago
$312
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Jan 16 from Redmond to Washington, returning Sun, Jan 18, priced at $312 found 11 hours ago
Delta
Wed, Mar 18 - Wed, Mar 25
RDM
Redmond
IAD
Washington
$316 Roundtrip, found 9 hours ago
$316
Roundtrip
found 9 hours ago
Select Delta flight, departing Wed, Mar 18 from Redmond to Washington, returning Wed, Mar 25, priced at $316 found 9 hours ago
Delta
Thu, Jan 15 - Mon, Jan 19
RDM
Redmond
IAD
Washington
$323 Roundtrip, found 4 days ago
$323
Roundtrip
found 4 days ago
Select Delta flight, departing Thu, Jan 15 from Redmond to Washington, returning Mon, Jan 19, priced at $323 found 4 days ago
Delta
Sun, Mar 8 - Mon, Mar 23
RDM
Redmond
IAD
Washington
$326 Roundtrip, found 4 days ago
$326
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Mar 8 from Redmond to Washington, returning Mon, Mar 23, priced at $326 found 4 days ago
Delta
Fri, Jan 16 - Sun, Jan 18
RDM
Redmond
IAD
Washington
$348 Roundtrip, found 11 hours ago
$348
Roundtrip
found 11 hours ago
Select Delta flight, departing Fri, Jan 16 from Redmond to Washington, returning Sun, Jan 18, priced at $348 found 11 hours ago
Delta
Tue, Mar 31 - Sat, Apr 18
RDM
Redmond
IAD
Washington
$355 Roundtrip, found 4 days ago
$355
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Mar 31 from Redmond to Washington, returning Sat, Apr 18, priced at $355 found 4 days ago
Delta
Sun, Jan 18 - Mon, Jan 19
RDM
Redmond
IAD
Washington
$367 Roundtrip, found 5 days ago
$367
Roundtrip
found 5 days ago
Select Delta flight, departing Sun, Jan 18 from Redmond to Washington, returning Mon, Jan 19, priced at $367 found 5 days ago
Flights from Redmond (RDM) to Washington (IAD)
Origin airport
Robert's Field
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, United
Popular airline
Alaska Airlines
Distance
2260 mi

Frequently asked questions

How much is a Delta Air Lines flight from Robert's Field Airport (RDM) to Washington Dulles Intl. Airport (IAD)?
You can discover cheap return Delta Air Lines flights from $227 from RDM to IAD by sorting your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $154 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from RDM to IAD with Delta Air Lines?
January is one of the cheapest months to jet away to Washington with Delta Air Lines. You could also find fantastic deals on return and one-way tickets in February.
What is the cheapest time to book flights from Robert's Field Airport (RDM) to Washington Dulles Intl. Airport (IAD) with Delta Air Lines?
To find cheap Delta Air Lines fares from Robert's Field Airport (RDM) to Washington Dulles Intl. Airport (IAD), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the overall cost. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Robert's Field Airport (RDM) to Washington Dulles Intl. Airport (IAD)?
Fill in your dates, click search and select "Nonstop" on Expedia to find any direct flights from RDM to IAD with Delta Air Lines or another airline.
What is the earliest Delta Air Lines flight from RDM to IAD?
To find the earliest departures from RDM to IAD with Delta Air Lines, filter your search by "Early Morning" and "Morning." Choosing an early flight generally means you'll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Washington?
Board a Delta Air Lines flight from Robert's Field Airport (RDM) to Washington, and you'll likely land at Washington Dulles Intl. Airport (IAD). This is the airline's primary hub here.
Why fly with Delta Air Lines from RDM to IAD?
Offering a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a favorite for many travelers heading from RDM to IAD. Plus, if you're a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Robert's Field Airport (RDM) to Washington Dulles Intl. Airport (IAD)?
Changes are generally free within 24 hours of booking, but your airline may charge you after that time. For further information about modifying your flights, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to make changes without additional costs, apply the "Changes included" and "No cancel fee" filters when planning your trip.

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*Available to One Key members.