Cheap Flights from San Antonio to District of Columbia from $304 Return

Flight deals from San Antonio to District of Columbia

Looking for cheap tickets from San Antonio to District of Columbia, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Washington D.C..$304 per passenger.Departing Wed, 25 Feb, returning Sat, 28 Feb.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from San Antonio International on Wed, 25 Feb, arriving in Washington Ronald Reagan.Inbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Sat, 28 Feb, arriving in San Antonio International.Price includes taxes and charges.From $304, select.

Washington D.C..$431 per passenger.Departing Thu, 5 Feb, returning Sat, 7 Feb.Return flight with United.Outbound direct flight with United departs from San Antonio International on Thu, 5 Feb, arriving in Washington Dulles.Inbound direct flight with United departs from Washington Dulles on Sat, 7 Feb, arriving in San Antonio International.Price includes taxes and charges.From $431, select.

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Flying from San Antonio to District of Columbia

Arm yourself with these facts on the fly.

Cheapest flight found	$304
Cheapest month to fly	February
Average flight time	3 hrs, 17 mins
Cheapest airport to fly from	San Antonio International
Most popular airline	Southwest Airlines

How to find cheap flights from San Antonio to District of Columbia

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from San Antonio to District of Columbia. Other savvy travellers recently found return flights from $304 and one-way tickets from $121 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from San Antonio International into Washington Ronald Reagan

At the moment, the lowest priced flight tickets to District of Columbia are from San Antonio International Airport to Washington Ronald Reagan Airport.

Fly in February

We crunched the flight calendar and found the cheapest time to fly from San Antonio to District of Columbia is currently February.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from San Antonio to anywhere you choose in District of Columbia.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from San Antonio to District of Columbia go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the District of Columbia to District of Columbia flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average San Antonio to District of Columbia flight price?

We looked at all of the upcoming return flights from San Antonio to District of Columbia we could find over the next 12 months. It looks like $304 is the best price. This is good, compared to the average District of Columbia ticket price of $368.

What is the cheapest month to fly from San Antonio to District of Columbia?

The cheapest month to fly from San Antonio to Washington Dulles Airport is currently February. The cheapest month to fly from San Antonio to Washington Ronald Reagan Airport is usually February

Which upcoming date is cheapest to fly from San Antonio to District of Columbia on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from San Antonio to District of Columbia on Wednesday, 25 February 2026.

Are there any direct flights from San Antonio to District of Columbia?

San Antonio International Airport offers direct flights to District of Columbia.

If I'm flying from San Antonio, where in District of Columbia is cheapest to fly into?

If you're flying from San Antonio, the cheapest city in District of Columbia to fly into is Washington D.C.. The cheapest airport serving Washington D.C. at the moment is Washington Ronald Reagan.