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Cheap Flights from Washington Ronald Reagan to San Antonio International

Compare Washington Ronald Reagan to San Antonio International flight deals

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Flight deals from Washington Ronald Reagan to San Antonio International

Looking for a cheap last-minute deal or the best return flight from Washington Ronald Reagan to San Antonio International? Find the lowest prices on one-way and return tickets right here.
San Antonio.Rs21,159 per passenger.Departing Wed, 12 Nov.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Washington Ronald Reagan on Wed, 12 Nov, arriving in San Antonio International.Price includes taxes and charges.From Rs21,159, select.
San Antonio.Rs22,425 per passenger.Departing Tue, 28 Oct.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Washington Ronald Reagan on Tue, 28 Oct, arriving in San Antonio International.Price includes taxes and charges.From Rs22,425, select.
San Antonio.Rs36,109 per passenger.Departing Wed, 3 Dec.One-way flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Wed, 3 Dec, arriving in San Antonio International.Price includes taxes and charges.From Rs36,109, select.
San Antonio.Rs37,797 per passenger.Departing Mon, 6 Apr.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Washington Ronald Reagan on Mon, 6 Apr, arriving in San Antonio International.Price includes taxes and charges.From Rs37,797, select.
San Antonio.Rs37,801 per passenger.Departing Sat, 3 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from Washington Ronald Reagan on Sat, 3 Jan, arriving in San Antonio International.Price includes taxes and charges.From Rs37,801, select.
San Antonio.Rs42,255 per passenger.Departing Fri, 26 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Washington Ronald Reagan on Fri, 26 Sep, arriving in San Antonio International.Price includes taxes and charges.From Rs42,255, select.
San Antonio.Rs71,408 per passenger.Departing Wed, 3 Dec.One-way flight with American Airlines.Outbound direct flight with American Airlines departs from Washington Ronald Reagan on Wed, 3 Dec, arriving in San Antonio International.Price includes taxes and charges.From Rs71,408, select.
San Antonio.Rs71,408 per passenger.Departing Mon, 6 Oct.One-way flight with American Airlines.Outbound direct flight with American Airlines departs from Washington Ronald Reagan on Mon, 6 Oct, arriving in San Antonio International.Price includes taxes and charges.From Rs71,408, select.

Find the cheapest month to fly from Washington Ronald Reagan to San Antonio International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Ronald Reagan to San Antonio International flights are currently cheapest in November.
Sep
from Rs42,255
Oct
from Rs22,425
Nov
from Rs21,159
Dec
from Rs36,109
Jan
from Rs37,801
Feb
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Mar
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Apr
from Rs37,797
May
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Jun
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Jul
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Aug
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Direct flights from Washington Ronald Reagan to San Antonio International

Washington Ronald Reagan to San Antonio International: Alternative routes

Compare routes from Washington Ronald Reagan to San Antonio below. You may find an airport to fly into that's cheaper, faster, or easier than San Antonio International.

Washington D.C. to San Antonio: Flight information

The things to know before you go.
Cheapest flight foundRs21,159
Cheapest month to flyNovember
Average flight time3 hrs, 44 mins
Most popular airlineAmerican Airlines
Average flights per week9

Finding cheap flights from Washington Ronald Reagan to San Antonio International: Frequently asked questions

The best price we found for a return flight from Washington Ronald Reagan to San Antonio International is Rs43,577. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 44 minutes is the average flight time from Washington Ronald Reagan to San Antonio International.
American Airlines flies direct from Washington Ronald Reagan to San Antonio International.
As of September 2025, there are 8 flights per week flying from Washington Ronald Reagan to San Antonio International.
The cheapest month to fly from Washington Ronald Reagan to San Antonio International is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Ronald Reagan Airport to San Antonio International Airport on Tuesday, 4 November 2025.
Yes – the average flight time is 3 hours and 44 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Antonio International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Antonio is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Southwest Airlines and American Airlines offer the cheapest flight tickets to San Antonio International.

Travelling from Ronald Reagan National Airport (DCA) to San Antonio International Airport (SAT): what you need to know

  • San Antonio is one hour behind Washington DC and follows the UTC-5 timezone.

  • To ensure you get on your DCA to SAT flight, leave enough time for things like check-in and baggage drop. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • During popular months like February, you'll want to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during peak periods in general.

  • We make it easy to book a flight with a stopover. To see your options for tickets from Ronald Reagan National Airport to San Antonio International Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to tour your chosen city. Stopovers between DCA and SAT include:

    • Nashville International Airport

    • Hartsfield-Jackson Atlanta International Airport

    • Charlotte Douglas International Airport

How to find the cheapest flights from Ronald Reagan National Airport (DCA) to San Antonio International Airport (SAT)

  • At the moment, Rs21,159 is the cheapest price we've found for a one-way Ronald Reagan National Airport to San Antonio International Airport flight. The best price for a return plane ticket is Rs43,577. Remember that fares can change due to availability when booking.

  • To find cheap tickets from DCA to SAT, book in advance. Airlines usually offer lower prices when flights are first made available.

  • The 'Whole month' search tool shows you the cheapest flights from Ronald Reagan National Airport to San Antonio International Airport across each month. It's a good way to find a bargain if your travel dates are flexible.

  • Finding cheap flights from DCA to SAT is a cinch with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when a lower fare pops up.

  • Choose your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to find the best deals on flights from Ronald Reagan National Airport to San Antonio International Airport.

Handy information about Ronald Reagan National Airport (DCA)

  • DCA is located at 1 Aviation Circle.

  • 76.44% of flights leaving from Ronald Reagan National Airport land at their destination on schedule.

  • To reach Ronald Reagan National Airport from central Washington DC, it takes around 15 minutes by car. This depends on traffic though. It's approximately 8 kilometres from the airport to the city centre.

  • Expect a trip time of around 45 minutes on public transport.

  • Looking for a convenient hotel near DCA? If you've booked an early flight from Ronald Reagan National Airport to San Antonio International Airport, these accommodation options will have you moments from check-in:

Arriving at San Antonio International Airport (SAT)

Getting from San Antonio International Airport (SAT) to central San Antonio

  • SAT is located at 9800 Airport Boulevard.

  • From San Antonio International Airport, San Antonio is approximately 19 kilometres away. It takes around 20 minutes to get to the centre driving.

  • It'll take around 1 hour 30 minutes if you're travelling by public transport.

When to fly to San Antonio International Airport (SAT)

  • July is the most popular month for flights from Ronald Reagan National Airport to San Antonio International Airport. To steer clear of the crowds, head to San Antonio in April.

  • Book your flight from Ronald Reagan National Airport to San Antonio International Airport for August if you'd like to explore San Antonio during its warmest month. You can expect temperatures of between 23ºC and 40ºC.

  • January has average temperatures of between 3ºC and 20ºC. Look for cheap tickets from DCA to SAT sometime then if you'd rather travel in cooler conditions.

Explore more of United States

  • Houston is just one of the many places in United States waiting to be explored once you've taken in the sights of San Antonio. Around 306 kilometres away to the east, popular attractions include The Houston Museum of Natural Science, The Museum of Fine Arts, Houston, Beck Building and Hermann Park.

  • Around 402 kilometres north-east of San Antonio, Dallas is another favourite stop in United States. Experience major highlights starting with Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art.

More travel options

Plan the rest of your trip from Washington D.C. to San Antonio

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.