$99 Cheap United flights Washington (IAD) to Raleigh (RDU)

View $99 flight on Mon, May 4, 2026Opens in a new window

$99 Cheap United flights Washington (IAD) to Raleigh (RDU)

Prices were available within the past 7 days and start at $99 for one-way flights and $144 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Jan 10 - Wed, Jan 14
IAD
Washington
RDU
Raleigh
$144 Roundtrip, found 2 hours ago
$144
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Jan 10 from Washington to Raleigh, returning Wed, Jan 14, priced at $144 found 2 hours ago
United
Wed, Feb 25 - Thu, Mar 5
IAD
Washington
RDU
Raleigh
$159 Roundtrip, found 5 days ago
$159
Roundtrip
found 5 days ago
Select United flight, departing Wed, Feb 25 from Washington to Raleigh, returning Thu, Mar 5, priced at $159 found 5 days ago
United
Thu, Feb 5 - Mon, Feb 9
IAD
Washington
RDU
Raleigh
$169 Roundtrip, found 11 hours ago
$169
Roundtrip
found 11 hours ago
Select United flight, departing Thu, Feb 5 from Washington to Raleigh, returning Mon, Feb 9, priced at $169 found 11 hours ago
United
Wed, Jan 7 - Wed, Jan 14
IAD
Washington
RDU
Raleigh
$169 Roundtrip, found 4 days ago
$169
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jan 7 from Washington to Raleigh, returning Wed, Jan 14, priced at $169 found 4 days ago
United
Sat, Jan 10 - Wed, Jan 14
IAD
Washington
RDU
Raleigh
$171 Roundtrip, found 2 hours ago
$171
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Jan 10 from Washington to Raleigh, returning Wed, Jan 14, priced at $171 found 2 hours ago
United
Thu, Jan 15 - Sat, Jan 17
IAD
Washington
RDU
Raleigh
$171 Roundtrip, found 1 hour ago
$171
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Jan 15 from Washington to Raleigh, returning Sat, Jan 17, priced at $171 found 1 hour ago
United
Fri, Jan 9 - Sat, Jan 10
IAD
Washington
RDU
Raleigh
$174 Roundtrip, found 4 days ago
$174
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jan 9 from Washington to Raleigh, returning Sat, Jan 10, priced at $174 found 4 days ago
United
Fri, Jan 16 - Mon, Jan 19
IAD
Washington
RDU
Raleigh
$175 Roundtrip, found 2 hours ago
$175
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Jan 16 from Washington to Raleigh, returning Mon, Jan 19, priced at $175 found 2 hours ago
United
Wed, Apr 29 - Tue, May 5
IAD
Washington
RDU
Raleigh
$179 Roundtrip, found 3 hours ago
$179
Roundtrip
found 3 hours ago
Select United flight, departing Wed, Apr 29 from Washington to Raleigh, returning Tue, May 5, priced at $179 found 3 hours ago
Flights from Washington (IAD) to Raleigh (RDU)
Origin airport
Washington Dulles Intl.
Destination airport
Raleigh - Durham Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Popular airline
Frontier Airlines
Distance
224 mi
Average flight time
1 hour 12 mins

Frequently asked questions

How much is a United Airlines flight from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU)?
You'll find cheap return United Airlines flights from $144 from IAD to RDU by organizing your results from "Price (lowest to highest)" on Expedia. Or search for bargains from $99 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 IAD to RDU with United Airlines?
January is one of the least expensive months to jet off to Raleigh with United Airlines. You could also find great prices on one-way and round-trip fares in December.
What is the cheapest time to book flights from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU) with United Airlines?
Look for affordable United Airlines flights from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU) one to three months before your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the ideal day to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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 United Airlines fly nonstop from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU)?
Jet off on one of United Airlines's 28 weekly direct flights from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU). To see your choices, enter your destination, origin and dates and hit search. Then apply the "Nonstop" and "Airline" filters.
How long does it take to fly from IAD to RDU with United Airlines?
It takes around 1h 14m to travel nonstop from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU) with United Airlines.
Which day of the week has the most United Airlines flights from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU)?
Thursday has the most United Airlines flights from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU). With 4 daily departures, this is the best day of the week to find something that will work for your schedule.
What is the earliest United Airlines flight from IAD to RDU?
The first United Airlines flight from IAD to RDU departs at 8:28AM UTC-5, landing at 9:40AM UTC-5. If you prefer to jet off later, the last United Airlines flight leaves IAD at 10:30PM UTC-5 and touches down at RDU at 11:44PM UTC-5. Flying before noon is often a smart option as morning and mid-morning flights are less likely to experience 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 United Airlines fly into in Raleigh?
Catch a United Airlines flight from Washington Dulles Intl. Airport (IAD) to Raleigh, and you'll likely arrive at Raleigh - Durham Intl. Airport (RDU). This is the airline's primary hub in this city.
Why fly with United Airlines from IAD to RDU?
A rewarding loyalty program and the opportunity to collect points through United Mileage Plus are the start of the reasons to jet off from IAD to RDU with United Airlines. Plus, when you sign up to Expedia's free One Key™ program, you can receive OneKeyCash™* on top of United Airlines's loyalty program earnings. It's yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU)?
For the Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU) route, United Airlines typically flies Embraer 175 and Boeing 737 MAX 9 planes. Don't forget that last-minute changes are possible for operational purposes, so your flight may be on a different aircraft.
Can I change or cancel my United Airlines flight from Washington Dulles Intl. Airport (IAD) to Raleigh - Durham Intl. Airport (RDU)?
It's generally possible to cancel or modify your flight, although additional fees may apply if you made your booking over 24 hours ago. Need flexible options? Make use of Expedia's "Changes included" or "No cancel fee" filter to find flights that won't charge you extra if you need to adjust your plans. To modify your booking, head to "Trips," select your flight and click on "Manage Booking" for more details.

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