Which airport do Southwest flights arrive at when travelling to Washington, D.C.?

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

Is Southwest 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 Southwest that fly to Washington, D.C.?

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

How much is a flight to Washington, D.C. with Southwest?

The average price for a return flight with Southwest is $438; with a one-way flight around $258.

$116+ Southwest Flights to Washington, D.C. on Cheapflights

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Find Southwest flight deals to Washington, D.C.

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

Sat 8/225:00 am

HOU

BWI

Nonstop3h 00m

Southwest

Mon 8/247:10 am

BWI

HOU

Nonstop3h 15m

Southwest

Deal found 7/22

$231

Thu 8/2010:00 am

HOU

BWI

1 stop4h 40m

Southwest

Mon 8/247:10 am

BWI

HOU

Nonstop3h 15m

Southwest

Deal found 7/22

$237

Wed 8/199:30 am

HOU

BWI

1 stop5h 00m

Southwest

Wed 8/265:40 pm

BWI

HOU

Nonstop3h 15m

Southwest

Deal found 7/22

$241

Flights to Washington, D.C. with Southwest at a glance

Popular in	June
Cheapest in	September
Average price	$353
Round-trip from	$231
One-way from	$116
Good one-way deal	$128 or less

Highest demand for flights to Washington, D.C. with Southwest; 13% potential price increase.

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Best time to find cheap flights to Washington, D.C. with Southwest; 2% potential price drop.

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Average price for flights to Washington, D.C. with Southwest (round-trip).

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Southwest
8/22-8/24
Nonstop
6h 15m total
USA to Washington, D.C.

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Southwest
8/22
Nonstop
3h 00m 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. with Southwest.

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Cheapflights Insights

Find cheap Southwest flights to Washington, D.C.

US0-WAS

HOU-BWI

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

On average, Southwest 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.

Southwest weekly flight availability to Washington, D.C.

The most flights to Washington, D.C. 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. with Southwest?

The best time to book a flight to Washington, D.C. with Southwest is 61 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. with Southwest?

Users looking for the cheapest Southwest fares to Washington, D.C. 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. with Southwest

Which airport do Southwest flights arrive at when travelling to Washington, D.C.?
Southwest flights tend to land at either Washington, D.C. Dulles Intl Airport or Washington, D.C. Reagan-National Airport.
Is Southwest 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 Southwest that fly to Washington, D.C.?
American Airlines, United Airlines and Frontier all fly to Washington, D.C. and offer an alternative to Southwest.
How much is a flight to Washington, D.C. with Southwest?
The average price for a return flight with Southwest is $438; with a one-way flight around $258.

See more FAQs

Reviews of Southwest

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Reviews

Southwest

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4,229 reviews

Find cheap Southwest flights to Washington, D.C.

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Find Southwest flight deals to Washington, D.C.

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

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

Best Southwest flights from USA to Washington, D.C.Discover carefully curated Southwest flight deals from USA to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.

Discover carefully curated Southwest flight deals from USA to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.

Direct Southwest flights from USA to Washington, D.C.Explore non-stop Southwest flight options from USA to Washington, D.C. based on user searches, and compare prices and availability for your desired travel dates. Data last updated July 27, 2026.

Explore non-stop Southwest flight options from USA to Washington, D.C. based on user searches, and compare prices and availability for your desired travel dates. Data last updated July 27, 2026.

Last-minute Southwest flights from USA to Washington, D.C.Discover last-minute Southwest flight deals from USA to Washington, D.C.. Data last updated July 27, 2026 and is based on user searches.

Discover last-minute Southwest flight deals from USA to Washington, D.C.. Data last updated July 27, 2026 and is based on user searches.

One-way Southwest flights to Washington, D.C.Search for one-way Southwest flight options to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.

Search for one-way Southwest flight options to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.

Flights to Washington, D.C. with Southwest at a glance

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Round-trip from

One-way from

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

On average, Southwest 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.

Southwest weekly flight availability to Washington, D.C.

The most flights to Washington, D.C. 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. with Southwest?

The best time to book a flight to Washington, D.C. with Southwest is 61 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. with Southwest?

Users looking for the cheapest Southwest fares to Washington, D.C. 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. with Southwest

Which airport do Southwest flights arrive at when travelling to Washington, D.C.?

Is Southwest the cheapest airline for a flight to Washington, D.C.?

Are there alternative airlines other than Southwest that fly to Washington, D.C.?

How much is a flight to Washington, D.C. with Southwest?

Reviews of Southwest

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

Best Southwest flights from USA to Washington, D.C.
Discover carefully curated Southwest flight deals from USA to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.

Direct Southwest flights from USA to Washington, D.C.
Explore non-stop Southwest flight options from USA to Washington, D.C. based on user searches, and compare prices and availability for your desired travel dates. Data last updated July 27, 2026.

Last-minute Southwest flights from USA to Washington, D.C.
Discover last-minute Southwest flight deals from USA to Washington, D.C.. Data last updated July 27, 2026 and is based on user searches.

One-way Southwest flights to Washington, D.C.
Search for one-way Southwest flight options to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.