What are the cheapest airlines flying from San Antonio to Washington, D.C. Dulles Intl Airport round-trip?

Currently priced at $234, Southwest will fly you from San Antonio to Washington, D.C. Dulles Intl Airport and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $235 and $237, respectively. Users have found that Southwest is 39% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from San Antonio to Washington, D.C. Dulles Intl Airport one-way?

One-way options have recently been found by users for as low as $95 on United Airlines. Other airlines that offer cheap prices include Southwest from $101 and Delta from $119 one-way.

What is the cheapest day to fly from San Antonio to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their San Antonio to Washington, D.C. Dulles Intl Airport flight should consider departing on Saturday at noon when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the cheapest flights from San Antonio to Washington, D.C. Dulles Intl Airport?

While on average a flight from San Antonio to Washington, D.C. Dulles Intl Airport is generally $1,499, our data shows the cheapest flight currently is $162. When looking at the most popular route, (San Antonio - Washington, D.C. Dulles Intl), you can expect to pay $155 for that flight.

What are the most reliable airlines from San Antonio to Washington, D.C. Dulles Intl Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Antonio to Washington, D.C. Dulles Intl Airport on time: Air Canada (84%), Brussels Airlines (84%), United Airlines (80%).

What are the most popular airlines that fly from San Antonio to Washington, D.C. Dulles Intl Airport?

The most popular airlines flying from San Antonio to Washington, D.C. Dulles Intl Airport are American Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from San Antonio to Washington, D.C. Dulles Intl Airport?

Travelers have found that booking a Thursday departure is the best way to save up to 72% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from San Antonio to Washington, D.C. Dulles Intl Airport?

June is one of the best times of the year to fly to Washington, D.C. Dulles Intl Airport from San Antonio. Prices for June average $333 per person but you can even find prices for as low as $110. The most expensive prices can be found in the month of November. Opting for a June flight can save you 19% on your journey compared to booking in November

What airport do you fly from for flights from San Antonio to Washington, D.C. Dulles Intl?

For a flight from San Antonio to Washington, D.C. Dulles Intl, you will be flying from San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city. San Antonio is the only San Antonio airport and it handles 5 outbound flights to Washington, D.C. Dulles Intl per day. 4 airlines have flights to Washington, D.C. Dulles Intl from San Antonio on a regular basis.

Can I find deals for flights from San Antonio to Dulles Intl that include hotel bookings?

Yes. In addition to deals on San Antonio to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from San Antonio to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Dulles Intl.

Can I find deals for business class flights from San Antonio to Dulles Intl?

Yes. Cheapflights offers flight deals from San Antonio to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$95+ Flights from San Antonio to Washington, D.C. Dulles Intl Airport

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Cheapflights Tip: The best prices from San Antonio to Washington, D.C. Dulles Intl are usually found in February or April, booked 83 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from San Antonio to Dulles Intl

Round-trip from	$234 (Southwest)
One-way from	$95 (United Airlines)
Popular in	March
Cheapest in	February
Average price	$352
Good round-trip deal	$426 or less
Good one-way deal	$240 or less

From San Antonio to Washington, D.C. Dulles Intl

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One-way flight from San Antonio to Washington, D.C. Dulles Intl

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High demand for flights, 4% potential price rise

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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from San Antonio to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from San Antonio to Washington, D.C. Dulles Intl.

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Find flight deals from San Antonio to Dulles Intl

Cheapest flights from San Antonio to Dulles Intl
Explore the most affordable flight options available from San Antonio to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.

Sat 8/165:35 amSAT - IAD

1 stop8h 25mSouthwest

Mon 8/184:30 pmIAD - SAT

1 stop7h 45mSouthwest

Deal found 7/9

$234

Wed 8/65:10 pmSAT - IAD

1 stop16h 48mAmerican Airlines

Wed 8/1311:51 amIAD - SAT

1 stop11h 21mAmerican Airlines

Deal found 7/9

$235

Sun 8/106:11 pmSAT - IAD

1 stop5h 23mDelta

Thu 8/146:00 amIAD - SAT

1 stop7h 24mDelta

Deal found 7/10

$237

Sat 8/2312:00 pmSAT - IAD

Nonstop3h 20mUnited Airlines

Mon 8/255:55 pmIAD - SAT

Nonstop3h 38mUnited Airlines

Deal found 7/10

$240

Thu 8/77:10 amSAT - IAD

2 stops25h 13mMultiple Airlines

Sun 8/1011:58 amIAD - SAT

1 stop5h 35mMultiple Airlines

Deal found 7/9

$265

Sun 8/108:14 pmSAT - IAD

2 stops16h 35mFrontier

Fri 8/156:10 amIAD - SAT

1 stop11h 42mFrontier

Deal found 7/10

$301

Best flights from San Antonio to Dulles Intl
Discover carefully curated flight deals from San Antonio to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 11, 2025.

Sat 8/165:35 amSAT - IAD

1 stop8h 25mSouthwest

Mon 8/184:30 pmIAD - SAT

1 stop7h 45mSouthwest

Deal found 7/9

$234

Wed 8/65:10 pmSAT - IAD

1 stop16h 48mAmerican Airlines

Wed 8/1311:51 amIAD - SAT

1 stop11h 21mAmerican Airlines

Deal found 7/9

$235

Sun 8/106:11 pmSAT - IAD

1 stop5h 23mDelta

Fri 8/157:22 amIAD - SAT

1 stop6h 02mDelta

Deal found 7/10

$237

Sat 8/2312:00 pmSAT - IAD

Nonstop3h 20mUnited Airlines

Mon 8/255:55 pmIAD - SAT

Nonstop3h 38mUnited Airlines

Deal found 7/10

$240

Thu 8/77:10 amSAT - IAD

2 stops25h 13mMultiple Airlines

Sun 8/1011:58 amIAD - SAT

1 stop5h 35mMultiple Airlines

Deal found 7/9

$265

Sun 8/108:14 pmSAT - IAD

2 stops16h 35mFrontier

Fri 8/156:10 amIAD - SAT

1 stop11h 42mFrontier

Deal found 7/10

$301

Last-minute flights from San Antonio to Dulles Intl
Discover last-minute flight deals from San Antonio to Dulles Intl. Data last updated July 11, 2025 and is based on user searches.

Tue 7/153:06 pmSAT - IAD

1 stop14h 28mFrontier

Mon 7/216:10 amIAD - SAT

1 stop11h 42mFrontier

Deal found 7/8

$305

Wed 7/1611:00 amSAT - IAD

1 stop10h 45mSouthwest

Fri 7/185:15 amIAD - SAT

1 stop8h 15mSouthwest

Deal found 7/9

$404

Wed 7/165:00 amSAT - IAD

1 stop4h 59mAmerican Airlines

Wed 7/236:35 amIAD - SAT

1 stop5h 09mAmerican Airlines

Deal found 7/10

$409

Thu 7/176:35 pmSAT - IAD

1 stop16h 54mMultiple Airlines

Sun 7/2011:58 amIAD - SAT

2 stops13h 36mMultiple Airlines

Deal found 7/8

$563

Sat 7/196:30 amSAT - IAD

1 stop5h 41mDelta

Thu 8/216:00 amIAD - SAT

1 stop6h 00mDelta

Deal found 7/10

$318

Sat 7/197:00 amSAT - IAD

Nonstop3h 24mUnited Airlines

Sat 8/25:55 pmIAD - SAT

Nonstop3h 32mUnited Airlines

Deal found 7/8

$385

Wed 8/65:10 pmSAT - IAD

1 stop16h 48mAmerican Airlines

Wed 8/1311:51 amIAD - SAT

1 stop11h 21mAmerican Airlines

Deal found 7/9

$235

Thu 8/77:10 amSAT - IAD

2 stops25h 13mMultiple Airlines

Sun 8/1011:58 amIAD - SAT

1 stop5h 35mMultiple Airlines

Deal found 7/9

$265

Sun 8/106:11 pmSAT - IAD

1 stop5h 23mDelta

Fri 8/157:22 amIAD - SAT

1 stop6h 02mDelta

Deal found 7/10

$237

Sun 8/108:14 pmSAT - IAD

2 stops16h 35mFrontier

Fri 8/156:10 amIAD - SAT

1 stop11h 42mFrontier

Deal found 7/10

$301

Sat 8/165:35 amSAT - IAD

1 stop8h 25mSouthwest

Mon 8/184:30 pmIAD - SAT

1 stop7h 45mSouthwest

Deal found 7/9

$234

Sat 8/2312:00 pmSAT - IAD

Nonstop3h 20mUnited Airlines

Mon 8/255:55 pmIAD - SAT

Nonstop3h 38mUnited Airlines

Deal found 7/10

$240

One-way flights from San Antonio to Dulles Intl
Search for one-way flight options from San Antonio to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated July 11, 2025.

Sat 8/307:00 amSAT - IAD

Nonstop3h 19mUnited Airlines

Deal found 7/9

$95

Thu 9/115:35 amSAT - IAD

2 stops11h 40mSouthwest

Deal found 7/8

$101

Fri 8/154:36 pmSAT - IAD

1 stop5h 19mDelta

Deal found 7/10

$119

Mon 9/110:08 amSAT - IAD

1 stop11h 35mAmerican Airlines

Deal found 7/9

$123

Fri 8/110:16 amSAT - IAD

1 stop25h 36mFrontier

Deal found 7/8

$128

Thu 9/47:08 pmSAT - IAD

2 stops19h 45mMultiple Airlines

Deal found 7/9

$140

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Antonio to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Sat 8/16

5:35 am-3:00 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

Mon 8/18

4:30 pm-11:15 pm

1 stop7h 45m

$234

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Wed 8/6

5:10 pm-10:58 am

1 stop16h 48m

Washington, D.C. Dulles Intl

Wed 8/13

11:51 am-10:12 pm

1 stop11h 21m

$235

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Sun 8/10

6:11 pm-12:34 am

1 stop5h 23m

Washington, D.C. Dulles Intl

Fri 8/15

7:22 am-12:24 pm

1 stop6h 02m

$237

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Sat 8/23

12:00 pm-4:20 pm

Nonstop3h 20m

Washington, D.C. Dulles Intl

Mon 8/25

5:55 pm-8:33 pm

Nonstop3h 38m

$240

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Thu 8/7

7:10 am-9:23 am

2 stops25h 13m

Washington, D.C. Dulles Intl

Sun 8/10

11:58 am-4:33 pm

1 stop5h 35m

$265

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Sun 8/10

8:14 pm-1:49 pm

2 stops16h 35m

Washington, D.C. Dulles Intl

Fri 8/15

6:10 am-4:52 pm

1 stop11h 42m

$301

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Sat 8/30

7:00 am-11:19 am

Nonstop3h 19m

$95

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Thu 9/11

5:35 am-6:15 pm

2 stops11h 40m

$101

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Fri 8/15

4:36 pm-10:55 pm

1 stop5h 19m

$119

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Mon 9/1

10:08 am-10:43 pm

1 stop11h 35m

$123

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 12 results

The best insider tips for San Antonio to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your San Antonio to Washington, D.C. Dulles Intl Airport trip

Airports

SAT

For longer trips, economy lots with shuttle service offer better value than the new parking garage at SAT.

IAD

The Washington Metro Silver line reaches IAD in under 40 minutes, offering a cheap way to get to the airport.

Our travel experts

Ramsey Qubein

Expert on SAT and IAD

Best time to book a flight from San Antonio to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from San Antonio with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from San Antonio to Washington, D.C. Dulles Intl Airport?

The best time to book flights from San Antonio to Washington, D.C. Dulles Intl Airport is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Antonio to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from San Antonio to Washington, D.C. Dulles Intl Airport (average of $309). Flying from San Antonio to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAT to IAD?

One of the essential ways to save on airfare from San Antonio to Washington, D.C. Dulles Intl Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 71% on airfare.

Weekly flight availability from San Antonio to Washington, D.C. Dulles Intl Airport

The most flights from SAT to IAD are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from San Antonio to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from San Antonio to Washington, D.C. Dulles Intl Airport, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Southwest

8.0

Very good

4,250 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Delta

8.0

Very good

7,951 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

United Airlines

7.4

Good

8,846 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Frontier

5.9

Fair

3,271 reviews

Southwest

8.0

Very good

4,250 reviews

Reviews

1 / 20

8.0

Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

What airport do you fly from for flights from San Antonio to Washington, D.C. Dulles Intl?
For a flight from San Antonio to Washington, D.C. Dulles Intl, you will be flying from San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city. San Antonio is the only San Antonio airport and it handles 5 outbound flights to Washington, D.C. Dulles Intl per day. 4 airlines have flights to Washington, D.C. Dulles Intl from San Antonio on a regular basis.
What are the cheapest airlines flying from San Antonio to Washington, D.C. Dulles Intl Airport round-trip?
Currently priced at $234, Southwest will fly you from San Antonio to Washington, D.C. Dulles Intl Airport and back. In addition to Southwest, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $235 and $237, respectively. Users have found that Southwest is 39% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from San Antonio to Washington, D.C. Dulles Intl Airport one-way?
One-way options have recently been found by users for as low as $95 on United Airlines. Other airlines that offer cheap prices include Southwest from $101 and Delta from $119 one-way.
What are the most reliable airlines from San Antonio to Washington, D.C. Dulles Intl Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from San Antonio to Washington, D.C. Dulles Intl Airport on time: Air Canada (84%), Brussels Airlines (84%), United Airlines (80%).
What are the cheapest flights from San Antonio to Washington, D.C. Dulles Intl Airport?
While on average a flight from San Antonio to Washington, D.C. Dulles Intl Airport is generally $1,499, our data shows the cheapest flight currently is $162. When looking at the most popular route, (San Antonio - Washington, D.C. Dulles Intl), you can expect to pay $155 for that flight.
Can I find deals for flights from San Antonio to Dulles Intl that include hotel bookings?
Yes. In addition to deals on San Antonio to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Antonio to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Dulles Intl.
Can I find deals for business class flights from San Antonio to Dulles Intl?
Yes. Cheapflights offers flight deals from San Antonio to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San Antonio to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from San Antonio to Washington, D.C. Dulles Intl Airport (average of $309). Flying from San Antonio to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 4 airlines flying from San Antonio to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$204	Average$353	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$218	Average$333	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$239	Average$400	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$248	Average$319	FlexibilityNo cancel fee	On-timeN/A

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$95+ Cheap flights from San Antonio (SAT) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Antonio to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from San Antonio to Washington, D.C. Dulles Intl are usually found in February or April, booked 83 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from San Antonio to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from San Antonio to Dulles Intl

Cheapest flights from San Antonio to Dulles IntlExplore the most affordable flight options available from San Antonio to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.

Explore the most affordable flight options available from San Antonio to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Antonio to Washington, D.C. Dulles Intl Airport that are best for you.

The best insider tips for San Antonio to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your San Antonio to Washington, D.C. Dulles Intl Airport trip

Airports

SAT

IAD

Our travel experts

Best time to book a flight from San Antonio to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from San Antonio with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Antonio to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from San Antonio to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Dulles Intl. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from San Antonio to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to fly from SAT to IAD?

Find hourly flight availability from San Antonio to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 11, 2025.

Weekly flight availability from San Antonio to Washington, D.C. Dulles Intl Airport

How much does it cost to fly round-trip from San Antonio to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from San Antonio to Washington, D.C. Dulles Intl Airport, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from San Antonio to Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from San Antonio to Washington, D.C. Dulles Intl Airport round-trip?

What are the cheapest airlines to fly from San Antonio to Washington, D.C. Dulles Intl Airport one-way?

What are the most reliable airlines from San Antonio to Washington, D.C. Dulles Intl Airport?

What are the cheapest flights from San Antonio to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from San Antonio to Dulles Intl that include hotel bookings?

How can I find direct flights from San Antonio to Dulles Intl?

Can I find deals for business class flights from San Antonio to Dulles Intl?

What is the cheapest month to book a flight from San Antonio to Washington, D.C. Dulles Intl Airport?

Traveling to a place near San Antonio?

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Alternative routes for San Antonio to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from San Antonio to Dulles Intl

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Cheapest flights from San Antonio to Dulles Intl
Explore the most affordable flight options available from San Antonio to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2025.