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Washington, D.C.

Find cheap United Airlines flights to Washington, D.C.

RDU — WAS
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find United Airlines flight deals to Washington, D.C.

Cheapest United Airlines flights from USA to Washington, D.C.
Explore the most affordable United Airlines flight options available from USA to Washington, D.C.. Find the lowest fares with prices last updated on July 27, 2026.

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 8/177:00 am
ORD
-
BWI
Nonstop2h 09m
United Airlines
Wed 8/1910:25 am
BWI
-
ORD
Nonstop2h 20m
United Airlines
Deal found 7/27$191
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/177:00 am
ORD
-
BWI
Nonstop2h 09m
United Airlines
Mon 8/175:40 pm
BWI
-
ORD
Nonstop2h 20m
United Airlines
Deal found 7/22$192
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/1810:49 am
ORD
-
BWI
Nonstop2h 09m
United Airlines
Fri 8/211:00 pm
BWI
-
ORD
Nonstop2h 20m
United Airlines
Deal found 7/24$249

Flights to Washington, D.C. with United Airlines at a glance

Find detailed information about United Airlines flights from USA to Washington, D.C.. Explore the options provided by United Airlines to plan your journey from USA to Washington, D.C.. Data last updated July 27, 2026.

Popular in

June

Cheapest in

October

Average price

$365

Round-trip from

$182

One-way from

$104

Good round-trip deal

$226 or less

Good one-way deal

$164 or less
Highest demand for flights to Washington, D.C. with United Airlines; 13% potential price increase.
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Best time to find cheap flights to Washington, D.C. with United Airlines; 2% potential price drop.
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Average price for flights to Washington, D.C. with United Airlines (round-trip).
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United Airlines
  • United Airlines
  • 9/3-9/6
  • Nonstop
  • 4h 30m total
  • USA to Washington, D.C.
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United Airlines
  • United Airlines
  • 8/17
  • Nonstop
  • 2h 09m total
  • USA to Washington, D.C.
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Price to beat on a round-trip flight from the United States to Washington, D.C. with United Airlines.
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Price to beat on a one-way flight from the United States to Washington, D.C. with United Airlines.
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Cheapflights Insights

Find cheap United Airlines flights to Washington, D.C.

How long is the flight to Washington, D.C. with United Airlines?

On average, United Airlines flights from the United States to Washington, D.C. take 2 hours 58 minutes. Flights to Washington, D.C. from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.

United Airlines weekly flight availability to Washington, D.C.

The most flights to Washington, D.C. operated by United Airlines are scheduled on a Sunday (301 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (243 on average).

When is the best time to book a flight to Washington, D.C. with United Airlines?

The best time to book a flight to Washington, D.C. with United Airlines is 43 days before departure. On average, fares are higher if you book on the same day as departure.

When is the cheapest time to fly to Washington, D.C. with United Airlines?

Users looking for the cheapest United Airlines fares to Washington, D.C. should consider flying on Friday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Sunday at noon, when prices are usually at their highest.

FAQs about flights to Washington, D.C. with United Airlines

  • Which airport do United Airlines flights arrive at when travelling to Washington, D.C.?

    United Airlines flights tend to land at either Washington, D.C. Dulles Intl Airport or Washington, D.C. Reagan-National Airport.

  • Is United Airlines the cheapest airline for a flight to Washington, D.C.?

    Flight prices will depend on many factors like date, time and cabin class so it is worth comparing flights before booking. Based on Cheapflights data the cheapest average return price for flights to Washington, D.C. tends to be with Avelo Airlines.

  • Are there alternative airlines other than United Airlines that fly to Washington, D.C.?

    American Airlines, Frontier and Delta all fly to Washington, D.C. and offer an alternative to United Airlines.

  • How much is a flight to Washington, D.C. with United Airlines?

    The average price for a return flight with United Airlines is $451; with a one-way flight around $313.

See more FAQs

Reviews of United Airlines

See what Cheapflights users have to say about their United Airlines experience.
United Airlines
7.4
Good
10,000 reviews
Overview

Crew

8.1

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Popular United Airlines flights

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Airports serving Washington, D.C.

Book a flight to or from one of these Washington, D.C. airports.
Flights to Reagan-National
Flights to Dulles Intl
Flights from Reagan-National
Flights from Dulles Intl