HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
District of Columbia

$65+ Cheap flights from San Antonio (SAT) to District of Columbia

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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — IAD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to District of Columbia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from San Antonio to District of Columbia

Cheapest flights from San Antonio to District of Columbia
Explore the most affordable flight options available from San Antonio to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2512:12 pmSAT - IAD
Nonstop3h 11mUnited Airlines
Fri 11/288:15 amIAD - SAT
Nonstop3h 51mUnited Airlines
Deal found 10/29$249
This American Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:48 amSAT - DCA
Nonstop3h 12mAmerican Airlines
Sat 12/67:44 pmDCA - SAT
Nonstop3h 51mAmerican Airlines
Deal found 10/28$249
This Booking.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2611:05 amSAT - DCA
1 stop28h 52mFrontier
Wed 12/36:00 pmDCA - SAT
1 stop21h 11mFrontier
Deal found 10/29$250
This Kiwi.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:37 pmSAT - IAD
2 stops19h 57mMultiple Airlines
Mon 11/178:37 pmIAD - SAT
1 stop14h 26mMultiple Airlines
Deal found 10/29$254
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/207:38 pmSAT - IAD
1 stop11h 12mMultiple Airlines
Wed 11/268:44 amIAD - SAT
1 stop11h 37mMultiple Airlines
Deal found 10/28$255
This Booking.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:25 pmSAT - DCA
1 stop15h 37mFrontier
Sun 11/232:00 pmDCA - SAT
1 stop11h 20mFrontier
Deal found 10/29$256
This Trip.com deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/178:25 pmSAT - DCA
1 stop19h 34mFrontier
Fri 11/216:00 pmDCA - SAT
1 stop7h 20mFrontier
Deal found 10/29$257
This United Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:20 amSAT - IAD
Nonstop3h 11mUnited Airlines
Sun 12/710:07 amIAD - SAT
1 stop7h 47mUnited Airlines
Deal found 10/29$259
This Booking.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/83:12 pmSAT - DCA
1 stop29h 47mFrontier
Mon 11/108:15 amDCA - SAT
1 stop12h 15mFrontier
Deal found 10/28$261
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/810:58 amSAT - IAD
1 stop7h 53mMultiple Airlines
Tue 11/118:40 amIAD - SAT
2 stops34h 52mMultiple Airlines
Deal found 10/28$262
This American Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/136:47 amSAT - DCA
Nonstop3h 12mAmerican Airlines
Wed 12/177:44 pmDCA - SAT
Nonstop3h 51mAmerican Airlines
Deal found 10/29$263
This Southwest deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:50 amSAT - DCA
1 stop6h 50mSouthwest
Tue 12/92:40 pmDCA - SAT
1 stop5h 15mSouthwest
Deal found 10/29$264

Cheap flight deals from San Antonio to District of Columbia

Keep the following information in mind while searching for San Antonio to District of Columbia flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(United Airlines)

One-way from

$65
(Priceline)

Popular in

December

Cheapest in

June

Average price

$348

Good round-trip deal

$315 or less

Good one-way deal

$238 or less
Provider with most accurate pricing for San Antonio-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Washington, D.C. (WAS) flights.
Search Deals
From San Antonio to District of Columbia
Search Deals
One-way flight from San Antonio to District of Columbia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($47 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from San Antonio to District of Columbia.
Search Deals
Price to beat on a one-way flight from San Antonio to District of Columbia.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to District of Columbia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from San Antonio to District of Columbia that are best for you.

Fly from

San Antonio

Fly to

District of Columbia

Route

Depart

Return

Price

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Sat 12/6

7:20 am-11:31 am

Nonstop3h 11m

Washington, D.C. Dulles Intl

Sat 12/13

5:25 pm-8:15 pm

Nonstop3h 50m

$249

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Thu 11/27

12:12 pm-4:23 pm

Nonstop3h 11m

Washington, D.C. Dulles Intl

Thu 12/4

8:20 am-11:11 am

Nonstop3h 51m

$249

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Tue 11/25

12:12 pm-4:23 pm

Nonstop3h 11m

Washington, D.C. Dulles Intl

Fri 11/28

8:15 am-11:06 am

Nonstop3h 51m

$249

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Tue 11/18

7:07 am-11:19 am

Nonstop3h 12m

Washington, D.C. Dulles Intl

Sat 11/22

2:25 pm-10:29 pm

1 stop9h 04m

$259

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Thu 11/27

12:12 pm-4:23 pm

Nonstop3h 11m

Washington, D.C. Dulles Intl

Sun 12/7

6:00 am-10:51 am

1 stop5h 51m

$259

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Wed 11/26

12:12 pm-4:23 pm

Nonstop3h 11m

Washington, D.C. Dulles Intl

Sun 12/7

6:00 am-10:51 am

1 stop5h 51m

$259

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Mon 11/24

4:24 pm-10:12 pm

1 stop4h 48m

Washington, D.C. Dulles Intl

Thu 11/27

8:15 am-11:06 am

Nonstop3h 51m

$259

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Sat 12/6

7:20 am-11:31 am

Nonstop3h 11m

Washington, D.C. Dulles Intl

Sun 12/7

10:07 am-4:54 pm

1 stop7h 47m

$259

San AntonioWashington, D.C.

SAT - DCA

SATDCA

San Antonio

Thu 1/29

10:15 am-4:00 pm

1 stop4h 45m

Washington, D.C. Reagan-National

Mon 2/2

2:45 pm-7:05 pm

1 stop5h 20m

$260

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Thu 12/4

12:10 pm-7:19 pm

1 stop6h 09m

Washington, D.C. Dulles Intl

Sat 12/6

12:30 pm-6:26 pm

1 stop6h 56m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 44 results
1
2
3
...
5

Best time to book a flight from San Antonio to District of Columbia

Have a flexible travel schedule? Discover the best time to fly to District of Columbia 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 District of Columbia

What is the cheapest month to book a flight from San Antonio to District of Columbia?

Currently, April is the cheapest month in which you can book a flight from San Antonio to District of Columbia (average of $82). Flying from San Antonio to District of Columbia in March is currently the most expensive (average of $170). 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 DC?

Find hourly flight availability from San Antonio to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from San Antonio to District of Columbia in the evening. By choosing this option you can save up to 44% on the cost of your flight, compared to a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from San Antonio to District of Columbia. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their San Antonio to District of Columbia flight should consider departing on Wednesday evenings when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated October 30, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from San Antonio to District of Columbia. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,993 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,998 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,030 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,115 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Crew

8.6

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from San Antonio to District of Columbia. 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 District of Columbia?

    If you book a flight to District of Columbia from San Antonio, you will be flying from San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio.

  • How long is the flight from San Antonio to District of Columbia?

    Airlines like United Airlines, Southwest, and Delta fly from San Antonio to District of Columbia in about 3h 11m. The time it takes to get you to your destination can typically vary by up to 2h 33m. Airlines will cover a distance of 1360 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from San Antonio to District of Columbia one-way?

    $78 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $135 and $135, respectively.

  • What are the most reliable airlines from San Antonio to District of Columbia?

    The top 3 most reliable airlines when flying from San Antonio to District of Columbia are Mesa Airlines (100%), United Airlines (97%) and Brussels Airlines (97%).

  • What are the cheapest flights from San Antonio to District of Columbia?

    On average you can expect to pay $801 for a flight from San Antonio to District of Columbia. The cheapest flight overall is $139 while the most popular route, (San Antonio - Washington, D.C. Dulles Intl) is currently priced at $177.

  • Can I find deals for flights from San Antonio to District of Columbia that include hotel bookings?

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

  • How can I find direct flights from San Antonio to District of Columbia?

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

  • Can I find deals for business class flights from San Antonio to District of Columbia?

    Yes. Cheapflights offers flight deals from San Antonio to District of Columbia 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 District of Columbia?

    Currently, April is the cheapest month in which you can book a flight from San Antonio to District of Columbia (average of $82). Flying from San Antonio to District of Columbia in March is currently the most expensive (average of $170). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Antonio to District of Columbia

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to Las Vegas flights
Dallas/Fort Worth to Newark flights
Hobby to Newark flights
Dallas/Fort Worth to Los Angeles flights
Hobby to LaGuardia flights
Dallas/Fort Worth to Denver flights
Dallas/Fort Worth to Orlando flights
Hobby to John F Kennedy Intl flights
Dallas/Fort Worth to O'Hare Intl flights
Dallas/Fort Worth to Seattle flights
Austin to John F Kennedy Intl flights
Dallas/Fort Worth to Baltimore flights
Hobby to Las Vegas flights
Dallas/Fort Worth to Dulles Intl flights
George Bush Intcntl to Newark flights
Dallas/Fort Worth to San Francisco flights
Hobby to Denver flights
Dallas/Fort Worth to Miami flights
Dallas/Fort Worth to Sky Harbor Intl flights
George Bush Intcntl to John F Kennedy Intl flights
George Bush Intcntl to LaGuardia flights
Dallas/Fort Worth to Fort Lauderdale flights
Austin to Newark flights
George Bush Intcntl to Las Vegas flights
Hobby to Seattle flights
Dallas/Fort Worth to Boston flights
Dallas/Fort Worth to Atlanta flights
Dallas/Fort Worth to Ontario flights
Austin to Las Vegas flights
George Bush Intcntl to Denver flights
Dallas/Fort Worth to Reagan-National flights
Dallas/Fort Worth to Santa Ana flights
Hobby to Los Angeles flights
Hobby to Orlando flights
George Bush Intcntl to Seattle flights
Austin to Los Angeles flights
Love Field to LaGuardia flights
Dallas/Fort Worth to Midway flights
Hobby to Dulles Intl flights
Love Field to Las Vegas flights
Austin to LaGuardia flights
Hobby to Midway flights
George Bush Intcntl to Los Angeles flights
Dallas/Fort Worth to Hobby flights
Dallas/Fort Worth to Minneapolis flights
Hobby to Atlanta flights
George Bush Intcntl to Orlando flights
Dallas/Fort Worth to Detroit flights

Top 6 airlines flying from San Antonio to District of Columbia

Discover the top 6 airlines that operate flights from San Antonio to District of Columbia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$216FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$107Average$238FlexibilityNo cancel feeOn-time65%
DeltaCheapest$177Average$347FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$194Average$409FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$208Average$378FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$238Average$393FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2025 Cheapflights