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Dulles Intl

Find cheap Delta flights to Washington, D.C. Dulles Intl Airport

RDU — IAD
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find Delta flight deals to Washington, D.C. Dulles Intl Airport

Cheapest Delta flights from USA to Dulles Intl
Explore the most affordable Delta flight options available from USA to Dulles Intl. Find the lowest fares with prices last updated on July 27, 2026.

This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:45 pm
ATL
-
IAD
Nonstop1h 49m
Delta
Mon 8/173:03 pm
IAD
-
ATL
Nonstop1h 51m
Delta
Deal found 7/22$169
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1510:45 pm
ATL
-
IAD
Nonstop1h 49m
Delta
Mon 8/173:03 pm
IAD
-
ATL
Nonstop1h 51m
Delta
Deal found 7/24$179
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2711:22 am
ORD
-
IAD
1 stop4h 16m
Delta
Mon 8/315:25 pm
IAD
-
ORD
1 stop4h 05m
Delta
Deal found 7/27$197

Flights to Washington, D.C. Dulles Intl Airport with Delta at a glance

Find detailed information about Delta flights from USA to Dulles Intl. Explore the options provided by Delta to plan your journey from USA to Dulles Intl. Data last updated July 27, 2026.

Popular in

June

Cheapest in

February

Average price

$300

Round-trip from

$169

One-way from

$85

Good round-trip deal

$206 or less

Good one-way deal

$123 or less
Highest demand for flights to Washington, D.C. Dulles Intl Airport with Delta; 12% potential price increase.
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Best time to find cheap flights to Washington, D.C. Dulles Intl Airport with Delta; 2% potential price drop.
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Average price for flights to Washington, D.C. Dulles Intl Airport with Delta (round-trip).
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Delta
  • Delta
  • 11/4-11/7
  • Nonstop
  • 3h 39m total
  • USA to Washington, D.C.
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Delta
  • Delta
  • 12/10
  • Nonstop
  • 1h 40m 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. Dulles Intl Airport with Delta.
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Price to beat on a one-way flight from the United States to Washington, D.C. Dulles Intl Airport with Delta.
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Cheapflights Insights

Find cheap Delta flights to Washington, D.C. Dulles Intl Airport

How long is the flight to Washington, D.C. Dulles Intl Airport with Delta?

On average, Delta flights from the United States to Washington, D.C. Dulles Intl Airport take 2 hours 46 minutes. Flights to Washington, D.C. Dulles Intl Airport from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.

Delta weekly flight availability to Washington, D.C. Dulles Intl Airport

The most flights to Washington, D.C. Dulles Intl Airport operated by Delta are scheduled on a Sunday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

When is the best time to book a flight to Washington, D.C. Dulles Intl Airport with Delta?

The best time to book a flight to Washington, D.C. Dulles Intl Airport with Delta is 73 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. Dulles Intl Airport with Delta?

Users looking for the cheapest Delta fares to Washington, D.C. Dulles Intl Airport should consider flying on Saturday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Tuesday at noon, when prices are usually at their highest.

FAQs about flights to Washington, D.C. Dulles Intl Airport with Delta

  • Which airport do Delta flights arrive at when travelling to Washington, D.C. Dulles Intl Airport?

    Delta flights on this route tend to land at Washington, D.C. Dulles Intl Airport.

  • Is Delta the cheapest airline for a flight to Washington, D.C. Dulles Intl Airport?

    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. Dulles Intl Airport tends to be with Avelo Airlines.

  • Are there alternative airlines other than Delta that fly to Washington, D.C. Dulles Intl Airport?

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

  • How much is a flight to Washington, D.C. Dulles Intl Airport with Delta?

    The average price for a return flight with Delta is $411; with a one-way flight around $288.

See more FAQs

Reviews of Delta

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Delta
7.8
Good
8,483 reviews
Overview

Food

7.2

Entertainment

7.8

Comfort

7.8

Boarding

8.1

Crew

8.5

Popular Delta flights

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Other airports near Dulles Intl

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