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Find Washington D.C. to San Antonio flights starting at CAD 87.

Book one-way or return flights from Washington D.C. to San Antonio from as little as CAD 87. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Washington D.C. to San Antonio? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Washington D.C. to San Antonio. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Find Cheapest Airlines Flying from Washington D.C. to San Antonio

View airlines operating flights from Washington D.C. to San Antonio. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From CAD 87
American Airlines
From CAD 138
Delta Air Lines
From CAD 157
Sun Country Airlines
From CAD 174
Jetblue Airways
From CAD 176
United Airlines
From CAD 193
Southwest Airlines
From CAD 227
Alaska Airlines
From CAD 294
ANA airlines

Find more flights and airlines

Alternative Routes for Washington D.C. to San Antonio Flights

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Washington D.C. to San Antonio.

  • Cheapest
    Frontier Airlines
    DCA
    07:00
    29h 22m
    1 transfer
    SAT
    11:22
    Ronald Reagan Washington National Airport - San Antonio International Airport
    Tue, May 7Frontier Airlines
    CAD 87
  • American Airlines
    IAD
    17:17
    7h 37m
    1 transfer
    SAT
    23:54
    Dulles International Airport - San Antonio International Airport
    Tue, May 7American Airlines
    CAD 139
  • American Airlines
    IAD
    17:17
    7h 37m
    1 transfer
    SAT
    23:54
    Dulles International Airport - San Antonio International Airport
    Tue, May 7American Airlines
    CAD 139
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from Washington D.C. (WAS) to San Antonio (SAT) the cheapest?

    Airlines adjust prices for flights from Washington D.C. to San Antonio based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much are flights from Washington D.C. (WAS) to San Antonio (SAT) cost?

    According to Trip.com's data, the lowest price is around CAD 541.
  • How long is the flight from Washington D.C. (WAS) to San Antonio (SAT)?

    It takes about 4 hours 59 minutes to fly from Washington D.C. (WAS) to San Antonio (SAT).
  • What is the transportation method from the main airport to downtown in San Antonio?

    • The distance from San Antonio International Airport to downtown is about 12km, by taxi about 30 minutes.
  • What are the most popular airlines that fly from Washington D.C. (WAS) to San Antonio (SAT)?

    Airlines with flights from Washington D.C. (WAS) to San Antonio (SAT): Southwest Airlines, United Airlines, Lufthansa, Brussels Airlines and Air Canada.
  • What's the most popular airline for direct flights from Washington D.C. (WAS) to San Antonio (SAT)?

    United Airlines operates 1 direct flights from Washington D.C. (WAS) to San Antonio (SAT).
  • How many airports in San Antonio (SAT)?

How to find a cheap flight from Washington D.C. to San Antonio

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Washington D.C. to San Antonio. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information for Washington D.C. to San Antonio Flights

Cheapest direct flight price

CAD 87

Cheapest return ticket price

CAD 340

Cheapest month

April

Peak season for travel

October

Flight distance

2,220.49km

Average flight time

4 hours 59 minutes

Popular airline

United Airlines