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Cheap flights from Washington, D.C. Dulles Intl Airport to San Antonio from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to San Antonio departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to San Antonio

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. Dulles Intl Airport to San Antonio that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Washington, D.C. Dulles Intl Airport to San Antonio.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. Dulles Intl Airport to San Antonio? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Antonio, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Washington, D.C. Dulles Intl Airport to San Antonio

Find recent round-trip train or bus tickets from Washington, D.C. Dulles Intl Airport to San Antonio.

All round-trip flight deals from Washington, D.C. Dulles Intl Airport to San Antonio

The cheapest plane tickets from Washington, D.C. Dulles Intl Airport to San Antonio found on KAYAK recently.
6:03 pm - 7:14 pmIAD-SAT
26h 11m1 stop
11:05 am - 4:54 pmSAT-IAD
28h 49m1 stop
$140Frontier
Find Deal
vie., feb. 28 - lun., mar. 17
5:24 pm - 8:21 pmIAD-SAT
3h 57mnonstop
12:08 pm - 4:20 pmSAT-IAD
3h 12mnonstop
$179United Airlines
Find Deal
sáb., feb. 1 - mié., feb. 5
6:00 am - 11:28 amIAD-SAT
6h 28m1 stop
6:20 am - 1:47 pmSAT-IAD
6h 27m1 stop
$237Delta
Find Deal
sáb., feb. 1 - sáb., feb. 8
3:05 pm - 10:05 pmIAD-SAT
8h 00m1 stop
6:31 pm - 12:22 amSAT-IAD
4h 51m1 stop
$253Delta
Find Deal
mié., feb. 5 - lun., feb. 10
1:52 pm - 11:02 pmIAD-SAT
10h 10m2 stops
2:36 pm - 10:41 pmSAT-IAD
7h 05m1 stop
$314American Airlines
Find Deal
sáb., feb. 8 - lun., feb. 10
6:30 am - 3:38 pmIAD-SAT
10h 08m2 stops
6:03 am - 4:56 pmSAT-IAD
9h 53m2 stops
$319American Airlines
Find Deal
sáb., feb. 22 - mié., feb. 26
5:40 pm - 6:15 pmIAD-SAT
25h 35m3 stops
8:21 pm - 9:09 pmSAT-IAD
23h 48m3 stops
jue., ene. 30 - dom., feb. 2
11:10 am - 8:45 pmIAD-SAT
10h 35m1 stop
7:10 am - 4:45 pmSAT-IAD
8h 35m1 stop
$438Southwest
Find Deal
mar., mar. 4 - vie., mar. 7
11:10 am - 9:40 pmIAD-SAT
11h 30m2 stops
5:20 am - 2:50 pmSAT-IAD
8h 30m1 stop
$443Southwest
Find Deal
mié., mar. 5 - vie., mar. 7
12:55 pm - 10:03 amIAD-SAT
22h 08m3 stops
10:58 am - 4:15 pmSAT-IAD
28h 17m3 stops
vie., mar. 7 - dom., mar. 9
6:03 pm - 6:50 pmIAD-SAT
25h 47m1 stop
$65Frontier
Find Deal
mié., feb. 26
6:03 pm - 6:50 pmIAD-SAT
25h 47m1 stop
$66Frontier
Find Deal
mié., feb. 26
5:32 pm - 8:26 pmIAD-SAT
3h 54mnonstop
$90United Airlines
Find Deal
sáb., feb. 15
3:40 pm - 11:25 pmIAD-SAT
8h 45m1 stop
$100Southwest
Find Deal
mar., mar. 11
11:10 am - 8:45 pmIAD-SAT
10h 35m1 stop
$105Southwest
Find Deal
mar., mar. 4
5:35 pm - 12:27 amIAD-SAT
7h 52m1 stop
$119Delta
Find Deal
sáb., feb. 15
5:32 pm - 8:26 pmIAD-SAT
3h 54mnonstop
$123United Airlines
Find Deal
sáb., feb. 22
5:00 pm - 12:27 amIAD-SAT
8h 27m1 stop
$135Delta
Find Deal
dom., feb. 16
5:26 pm - 10:31 pmIAD-SAT
6h 05m1 stop
$180American Airlines
Find Deal
mar., feb. 18
1:48 pm - 11:07 pmIAD-SAT
10h 19m2 stops
$185American Airlines
Find Deal
mié., feb. 19
5:24 pm - 8:21 pmIAD-SAT
3h 57mnonstop
7:45 am - 11:55 amSAT-IAD
3h 10mnonstop
$439United Airlines
Find Deal
vie., ene. 17 - vie., ene. 24
5:24 pm - 8:21 pmIAD-SAT
3h 57mnonstop
2:27 pm - 8:40 pmSAT-IAD
5h 13m1 stop
$449United Airlines
Find Deal
vie., ene. 17 - vie., ene. 24
5:57 pm - 12:27 amIAD-SAT
7h 30m1 stop
4:50 pm - 11:16 pmSAT-IAD
5h 26m1 stop
$469Delta
Find Deal
sáb., ene. 18 - mar., ene. 21
7:15 am - 5:10 pmIAD-SAT
10h 55m1 stop
12:10 pm - 11:05 pmSAT-IAD
9h 55m1 stop
$529Southwest
Find Deal
sáb., ene. 18 - mar., ene. 21
5:00 am - 3:44 pmIAD-SAT
11h 44m2 stops
12:07 pm - 7:35 pmSAT-IAD
6h 28m1 stop
$534American Airlines
Find Deal
sáb., ene. 18 - mar., ene. 21
5:00 am - 1:46 pmIAD-SAT
9h 46m2 stops
9:10 am - 7:35 pmSAT-IAD
9h 25m2 stops
$539American Airlines
Find Deal
sáb., ene. 18 - mar., ene. 21
3:05 pm - 9:57 pmIAD-SAT
7h 52m1 stop
12:36 pm - 11:36 pmSAT-IAD
10h 00m1 stop
$699Delta
Find Deal
vie., ene. 17 - mar., ene. 21
8:25 am - 4:44 pmIAD-SAT
33h 19m3 stops
4:07 pm - 4:01 pmSAT-IAD
22h 54m3 stops
vie., ene. 17 - mié., ene. 22
12:55 pm - 4:44 pmIAD-SAT
28h 49m3 stops
8:21 pm - 4:15 pmSAT-IAD
42h 54m3 stops
vie., ene. 17 - vie., ene. 24
5:20 pm - 11:30 pmIAD-SAT
7h 10m1 stop
3:30 pm - 11:20 pmSAT-IAD
6h 50m1 stop
$770Southwest
Find Deal
vie., ene. 17 - lun., ene. 20
5:24 pm - 8:21 pmIAD-SAT
3h 57mnonstop
12:08 pm - 4:20 pmSAT-IAD
3h 12mnonstop
$179United Airlines
Find Deal
sáb., feb. 1 - mié., feb. 5
5:24 pm - 8:21 pmIAD-SAT
3h 57mnonstop
7:45 am - 11:55 amSAT-IAD
3h 10mnonstop
$214United Airlines
Find Deal
jue., feb. 6 - sáb., feb. 8
5:32 pm - 8:26 pmIAD-SAT
3h 54mnonstop
7:44 am - 11:55 amSAT-IAD
3h 11mnonstop
$234United Airlines
Find Deal
sáb., feb. 15 - vie., feb. 21
5:25 pm - 8:19 pmIAD-SAT
3h 54mnonstop
7:44 am - 11:55 amSAT-IAD
3h 11mnonstop
$248United Airlines
Find Deal
dom., feb. 16 - sáb., feb. 22
5:25 pm - 8:19 pmIAD-SAT
3h 54mnonstop
7:44 am - 11:55 amSAT-IAD
3h 11mnonstop
$249United Airlines
Find Deal
jue., feb. 27 - sáb., mar. 1
5:32 pm - 8:26 pmIAD-SAT
3h 54mnonstop
12:11 pm - 4:22 pmSAT-IAD
3h 11mnonstop
$259United Airlines
Find Deal
sáb., feb. 22 - mar., feb. 25
5:24 pm - 8:21 pmIAD-SAT
3h 57mnonstop
7:45 am - 11:55 amSAT-IAD
3h 10mnonstop
$260United Airlines
Find Deal
sáb., feb. 1 - sáb., feb. 8
5:24 pm - 8:21 pmIAD-SAT
3h 57mnonstop
12:11 pm - 4:22 pmSAT-IAD
3h 11mnonstop
$269United Airlines
Find Deal
dom., feb. 2 - vie., feb. 28
8:15 am - 11:09 amIAD-SAT
3h 54mnonstop
12:11 pm - 4:22 pmSAT-IAD
3h 11mnonstop
$276United Airlines
Find Deal
jue., mar. 13 - lun., mar. 17
8:15 am - 11:09 amIAD-SAT
3h 54mnonstop
7:44 am - 11:55 amSAT-IAD
3h 11mnonstop
$282United Airlines
Find Deal
vie., feb. 28 - dom., mar. 2

United Airlines flights from Washington, D.C. Dulles Intl Airport to San Antonio

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to San Antonio flight tickets
United Airlines
Feb 1
IAD5:24 pmWashington, D.C. Dulles Intl
3h 57m
SAT8:21 pmSan Antonio
Feb 5
SAT12:08 pmSan Antonio
3h 12m
IAD4:20 pmWashington, D.C. Dulles Intl
United Airlines
Feb 11
IAD8:15 amWashington, D.C. Dulles Intl
3h 57m
SAT11:12 amSan Antonio
Feb 12
SAT4:00 pmSan Antonio
5h 09m
1 stop
IAD10:09 pmWashington, D.C. Dulles Intl
United Airlines
Feb 6
IAD5:24 pmWashington, D.C. Dulles Intl
3h 57m
SAT8:21 pmSan Antonio
Feb 8
SAT7:45 amSan Antonio
3h 10m
IAD11:55 amWashington, D.C. Dulles Intl

American Airlines flights from Washington, D.C. Dulles Intl Airport to San Antonio

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to San Antonio flight tickets
American Airlines
Feb 8
IAD1:52 pmWashington, D.C. Dulles Intl
10h 10m
2 stops
SAT11:02 pmSan Antonio
Feb 10
SAT2:36 pmSan Antonio
7h 05m
1 stop
IAD10:41 pmWashington, D.C. Dulles Intl
American Airlines
Feb 22
IAD6:30 amWashington, D.C. Dulles Intl
10h 08m
2 stops
SAT3:38 pmSan Antonio
Feb 26
SAT6:03 amSan Antonio
9h 53m
2 stops
IAD4:56 pmWashington, D.C. Dulles Intl
American Airlines
Feb 21
IAD6:12 amWashington, D.C. Dulles Intl
8h 23m
1 stop
SAT1:35 pmSan Antonio
Feb 23
SAT6:00 amSan Antonio
9h 01m
2 stops
IAD4:01 pmWashington, D.C. Dulles Intl

See travel insights to San Antonio from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of January, then book flights to San Antonio from Washington, D.C. Dulles Intl Airport during August instead. Flights to San Antonio in August, while not as cheap as those in January, still average around $359.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $355. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $449.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to San Antonio in the evening for as low as $376. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the afternoon, with an average ticket price of $394. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Washington, D.C. Dulles Intl to San Antonio flight route?

Fly from Washington, D.C. Dulles Intl to San Antonio for the best Washington, D.C. Dulles Intl - San Antonio flight prices

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from Washington, D.C. Dulles Intl Airport when booking 24 weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $400 when searching 24 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Washington, D.C. Dulles Intl Airport for as low as $310 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to San Antonio flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Washington, D.C. Dulles Intl Airport to San Antonio flight prices changed over time?

As of January 2025, prices for Washington, D.C. Dulles Intl Airport to San Antonio flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to San Antonio (IAD to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to San Antonio

Best Price Found

$65

Fastest flight time

3h 21m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Washington, D.C. Dulles Intl Airport in the past 72 hours is $65. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to San Antonio found on momondo in the last 72 hours is $140.
The fastest flight from Washington, D.C. Dulles Intl Airport to San Antonio takes 3h 21m
Direct flights go from Washington, D.C. Dulles Intl Airport to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)

  • How far is Washington, D.C. Dulles Intl to San Antonio by plane?

    The distance between Washington, D.C. Dulles Intl and San Antonio is about 1365.3 mi. 3h 21m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to San Antonio Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to San Antonio Airport are updated daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to San Antonio Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to San Antonio?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to San Antonio?


Best airlines flying from Washington, D.C. Dulles Intl Airport to San Antonio

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $218Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $247Free CancellationRating
8.0
8,511 reviews
Search Delta flights
United AirlinesPriceFrom $253Free CancellationRating
7.4
8,965 reviews
Search United Airlines flights
  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to San Antonio

    United Airlines flies from Washington, D.C. Dulles Intl Airport to San Antonio around 11 times per week, with 8,965 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Washington, D.C. Dulles Intl Airport to San Antonio in the last 72 hours was $253 (round-trip), much lower than the average airfare cost of $423 for United Airlines flights on this route.


Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Schertz
Boerne
Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to San Antonio?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Antonio from Washington, D.C..

Can I find flights from Washington, D.C. to San Antonio with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to San Antonio flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to San Antonio?

Once all potential Washington, D.C. to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to San Antonio right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to San Antonio flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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