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Reagan-National

Find cheap Southwest flights to Washington, D.C. Reagan-National Airport

CMH — DCA
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find Southwest flight deals to Washington, D.C. Reagan-National Airport

Cheapest Southwest flights from USA to Reagan-National
Explore the most affordable Southwest flight options available from USA to Reagan-National. Find the lowest fares with prices last updated on July 27, 2026.

This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/157:40 am
ATL
-
DCA
Nonstop1h 45m
Southwest
Mon 8/176:35 pm
DCA
-
ATL
Nonstop1h 55m
Southwest
Deal found 7/24$169
This Southwest deal was found by Cheapflights users on 7/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/227:40 am
ATL
-
DCA
Nonstop1h 45m
Southwest
Fri 9/117:55 am
DCA
-
ATL
Nonstop1h 50m
Southwest
Deal found 7/23$174
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:10 pm
ATL
-
DCA
1 stop6h 30m
Southwest
Tue 8/256:40 pm
DCA
-
ATL
Nonstop1h 55m
Southwest
Deal found 7/27$179

Flights to Washington, D.C. Reagan-National Airport with Southwest at a glance

Find detailed information about Southwest flights from USA to Reagan-National. Explore the options provided by Southwest to plan your journey from USA to Reagan-National. Data last updated July 27, 2026.

Popular in

June

Cheapest in

September

Average price

$361

Round-trip from

$169

One-way from

$85

Good one-way deal

$139 or less
Highest demand for flights to Washington, D.C. Reagan-National Airport with Southwest; 13% potential price increase.
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Best time to find cheap flights to Washington, D.C. Reagan-National Airport with Southwest; 1% potential price drop.
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Average price for flights to Washington, D.C. Reagan-National Airport with Southwest (round-trip).
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Southwest
  • Southwest
  • 9/8-9/15
  • Nonstop
  • 3h 35m total
  • USA to Washington, D.C.
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Southwest
  • Southwest
  • 9/9
  • Nonstop
  • 1h 55m total
  • USA to Washington, D.C.
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Price to beat on a one-way flight from the United States to Washington, D.C. Reagan-National Airport with Southwest.
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Cheapflights Insights

Find cheap Southwest flights to Washington, D.C. Reagan-National Airport

How long is the flight to Washington, D.C. Reagan-National Airport with Southwest?

On average, Southwest flights from the United States to Washington, D.C. Reagan-National Airport take 3 hours 46 minutes. Flights to Washington, D.C. Reagan-National 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.

Southwest weekly flight availability to Washington, D.C. Reagan-National Airport

The most flights to Washington, D.C. Reagan-National Airport operated by Southwest are scheduled on a Monday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (37 on average).

When is the best time to book a flight to Washington, D.C. Reagan-National Airport with Southwest?

The best time to book a flight to Washington, D.C. Reagan-National Airport with Southwest is 87 days before departure. On average, fares are higher if you book 1 day before departure.

When is the cheapest time to fly to Washington, D.C. Reagan-National Airport with Southwest?

Users looking for the cheapest Southwest fares to Washington, D.C. Reagan-National Airport should consider flying on Saturday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Monday afternoons, when prices are usually at their highest.

FAQs about flights to Washington, D.C. Reagan-National Airport with Southwest

  • Which airport do Southwest flights arrive at when travelling to Washington, D.C. Reagan-National Airport?

    Southwest flights on this route tend to land at Washington, D.C. Reagan-National Airport.

  • Is Southwest the cheapest airline for a flight to Washington, D.C. Reagan-National 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. Reagan-National Airport tends to be with Spirit Airlines.

  • Are there alternative airlines other than Southwest that fly to Washington, D.C. Reagan-National Airport?

    American Airlines, Delta and United Airlines all fly to Washington, D.C. Reagan-National Airport and offer an alternative to Southwest.

  • How much is a flight to Washington, D.C. Reagan-National Airport with Southwest?

    The average price for a return flight with Southwest is $440; with a one-way flight around $244.

See more FAQs

Reviews of Southwest

See what Cheapflights users have to say about their Southwest experience.
Southwest
8.0
Very good
4,229 reviews
Overview

Food

7.0

Boarding

8.1

Crew

8.6

Entertainment

7.5

Comfort

8.0

Popular Southwest flights

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