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Cheap flights from San Antonio to Washington, D.C. from $106

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Washington, D.C. departing on 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from San Antonio to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:51 am - 8:54 am
SAT
-
BWI
22h 03m
1 stop
Frontier Logo
9:38 pm - 3:41 pm
BWI
-
SAT
19h 03m
1 stop
$304Frontier
Mon, Aug 10 - Fri, Aug 14
Frontier Logo
9:51 am - 12:23 am
SAT
-
BWI
13h 32m
1 stop
Frontier Logo
6:25 am - 8:56 am
BWI
-
SAT
27h 31m
1 stop
$310Frontier
Fri, Aug 7 - Sun, Aug 9
American Airlines Logo
7:00 am - 3:14 pm
SAT
-
BWI
7h 14m
1 stop
American Airlines Logo
6:00 am - 11:32 am
BWI
-
SAT
6h 32m
1 stop
$313American Airlines
Thu, Aug 13 - Mon, Aug 17
American Airlines Logo
6:12 am - 1:04 pm
SAT
-
BWI
5h 52m
1 stop
American Airlines Logo
11:59 am - 7:26 pm
BWI
-
SAT
8h 27m
1 stop
$318American Airlines
Thu, Aug 13 - Mon, Aug 17
Frontier Logo
4:26 pm - 12:23 am
SAT
-
BWI
6h 57m
1 stop
Frontier Logo
9:28 pm - 8:56 am
BWI
-
SAT
12h 28m
1 stop
$324Frontier
Sat, Jul 11 - Sun, Jul 19
Multiple Airlines Logo
4:26 pm - 12:23 am
SAT
-
BWI
6h 57m
1 stop
Multiple Airlines Logo
9:42 am - 4:58 pm
BWI
-
SAT
8h 16m
2 stops
$325Multiple Airlines
Sat, Aug 15 - Sat, Aug 22
Multiple Airlines Logo
4:53 pm - 10:45 am
SAT
-
BWI
16h 52m
2 stops
Multiple Airlines Logo
6:25 am - 8:56 am
BWI
-
SAT
27h 31m
1 stop
$326Multiple Airlines
Wed, Jul 29 - Sun, Aug 2
Frontier Logo
9:51 am - 8:54 am
SAT
-
BWI
22h 03m
1 stop
Frontier Logo
9:28 pm - 8:56 am
BWI
-
SAT
12h 28m
1 stop
$329Frontier
Mon, Jul 20 - Thu, Jul 23
Frontier Logo
9:57 am - 6:32 pm
SAT
-
BWI
7h 35m
1 stop
Frontier Logo
9:52 pm - 9:02 am
BWI
-
SAT
12h 10m
1 stop
$330Frontier
Fri, Sep 18 - Sun, Sep 20
Frontier Logo
9:51 am - 12:23 am
SAT
-
BWI
13h 32m
1 stop
Frontier Logo
9:28 pm - 8:56 am
BWI
-
SAT
12h 28m
1 stop
$339Frontier
Mon, Jul 20 - Thu, Jul 23

American Airlines flights from San Antonio to Baltimore

Our best American Airlines deals on San Antonio to Baltimore flight tickets
American Airlines
Aug 13
SAT7:00 amSan Antonio
7h 14m
1 stop
BWI3:14 pmBaltimore/Washington
Aug 17
BWI6:00 amBaltimore/Washington
6h 32m
1 stop
SAT11:32 amSan Antonio
$313
American Airlines
Aug 13
SAT6:12 amSan Antonio
5h 52m
1 stop
BWI1:04 pmBaltimore/Washington
Aug 17
BWI11:59 amBaltimore/Washington
8h 27m
1 stop
SAT7:26 pmSan Antonio
$318
American Airlines
Jun 30
SAT5:01 amSan Antonio
8h 07m
1 stop
BWI2:08 pmBaltimore/Washington
Sep 1
BWI4:25 pmBaltimore/Washington
5h 50m
1 stop
SAT9:15 pmSan Antonio
$342

Frontier flights from San Antonio to Baltimore

Our best Frontier deals on San Antonio to Baltimore flight tickets
Frontier
Aug 10
SAT9:51 amSan Antonio
22h 03m
1 stop
BWI8:54 amBaltimore/Washington
Aug 14
BWI9:38 pmBaltimore/Washington
19h 03m
1 stop
SAT3:41 pmSan Antonio
$304
Frontier
Aug 7
SAT9:51 amSan Antonio
13h 32m
1 stop
BWI12:23 amBaltimore/Washington
Aug 9
BWI6:25 amBaltimore/Washington
27h 31m
1 stop
SAT8:56 amSan Antonio
$310
Frontier
Jul 11
SAT4:26 pmSan Antonio
6h 57m
1 stop
BWI12:23 amBaltimore/Washington
Jul 19
BWI9:28 pmBaltimore/Washington
12h 28m
1 stop
SAT8:56 amSan Antonio
$324

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Baltimore 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, momondo users made 832,500 searches. Data last updated June 4, 2026.
Use the filters below to find and compare flights from San Antonio to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Mon 8/10

9:51 am-8:54 am

1 stop22h 03m

Baltimore/Washington

Fri 8/14

9:38 pm-3:41 pm

1 stop19h 03m

$304

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 8/7

9:51 am-12:23 am

1 stop13h 32m

Baltimore/Washington

Sun 8/9

6:25 am-8:56 am

1 stop27h 31m

$310
Quickest round-trip

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Thu 8/13

7:00 am-3:14 pm

1 stop7h 14m

Baltimore/Washington

Mon 8/17

6:00 am-11:32 am

1 stop6h 32m

$313

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Thu 8/13

6:12 am-1:04 pm

1 stop5h 52m

Baltimore/Washington

Mon 8/17

11:59 am-7:26 pm

1 stop8h 27m

$318

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Sat 7/11

4:26 pm-12:23 am

1 stop6h 57m

Baltimore/Washington

Sun 7/19

9:28 pm-8:56 am

1 stop12h 28m

$324

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Sat 8/15

4:26 pm-12:23 am

1 stop6h 57m

Baltimore/Washington

Sat 8/22

9:42 am-4:58 pm

2 stops8h 16m

$325

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Wed 7/29

4:53 pm-10:45 am

2 stops16h 52m

Baltimore/Washington

Sun 8/2

6:25 am-8:56 am

1 stop27h 31m

$326

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Mon 7/20

9:51 am-8:54 am

1 stop22h 03m

Baltimore/Washington

Thu 7/23

9:28 pm-8:56 am

1 stop12h 28m

$329

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 9/18

9:57 am-6:32 pm

1 stop7h 35m

Baltimore/Washington

Sun 9/20

9:52 pm-9:02 am

1 stop12h 10m

$330

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Mon 7/20

9:51 am-12:23 am

1 stop13h 32m

Baltimore/Washington

Thu 7/23

9:28 pm-8:56 am

1 stop12h 28m

$339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from San Antonio to Baltimore

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 typical price of a round-trip flight between San Antonio and Baltimore?

What is the cheapest month to fly to Baltimore?

If you’re not able to fly to Baltimore in August, then October is your next best option. Flight prices from San Antonio to Baltimore during October average around $376.

What is the cheapest day to depart on your flight to Baltimore?

The cheapest day to depart from San Antonio to Baltimore is on a Thursday. Travelers who choose to depart for Baltimore on a Thursday will often find tickets for as low as $438. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $501. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

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

Flying to Baltimore from San Antonio in the evening is the least expensive time of day to depart. momondo users have found prices as low as $208 when looking at flights departing in the evening. Flights at noon are often more expensive with an average ticket price of $528.

What is the cheapest San Antonio to Baltimore/Washington flight route?

Fly from San Antonio to Baltimore/Washington for the best San Antonio - Baltimore/Washington flight prices

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

You are more likely to see cheaper flights to Baltimore from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $436 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from San Antonio for as low as $253 on momondo.

What cabin class options are available on San Antonio to Baltimore flights?

There is only 1 cabin class available to choose from on San Antonio to Baltimore flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Antonio to Baltimore flights?

No. A direct flight is the cheapest option for a flight between San Antonio to Baltimore.

How have San Antonio to Baltimore flight prices changed over time?

As of June 2026, prices for San Antonio to Baltimore flights are approximately 44% cheaper when compared to flights at the same time last year.

When to book flights from San Antonio to Baltimore

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

Cheap San Antonio to Baltimore (SAT to BWI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Baltimore

Best Price Found

$233

Fastest flight time

3h 10m

Direct flights

Every day

Airports in Baltimore

1 airport
The best one-way flight to Baltimore from San Antonio in the past 72 hours is $233. The best round-trip flight deal from San Antonio to Baltimore found on momondo in the last 72 hours is $416.
The fastest flight from San Antonio to Baltimore takes 3h 10m
Direct flights go from San Antonio to Baltimore every day.
There is 1 airport in Baltimore. From San Antonio there are direct flights to Baltimore/Washington (BWI).
Search flight deals

Frequently asked questions about flying from San Antonio to Baltimore

  • How far is San Antonio to Baltimore/Washington by plane?

    San Antonio and Baltimore/Washington are 1415.7 mi apart from one another. A reasonable flight in good conditions will take 3h 10m.

  • When did momondo last update prices for flights from San Antonio Airport to Baltimore/Washington Airport?

    Prices for flights from San Antonio Airport to Baltimore/Washington Airport refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to Baltimore/Washington Airport?

  • How old do you have to be to fly from San Antonio Airport to Baltimore/Washington 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 San Antonio Airport to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The travel and health documents you'll need for your trip to Baltimore/Washington Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Baltimore/Washington Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Antonio to Baltimore?

  • What is the most popular airline from San Antonio to Baltimore?

Best airlines flying from San Antonio to Baltimore

Compare and see reviews for airlines that fly from San Antonio to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $72Free CancellationRating
5.6
2,914 reviews
Search Frontier flights
DeltaPriceFrom $178Free CancellationRating
7.8
8,395 reviews
Search Delta flights
American AirlinesPriceFrom $218Free CancellationRating
7.1
11,641 reviews
Search American Airlines flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
9,774 reviews
Search United Airlines flights
SouthwestPriceFrom $297Free CancellationRating
8.0
4,256 reviews
Search Southwest flights

  • Southwest Flights From San Antonio to Baltimore

    Across 4 Southwest flights from San Antonio to Baltimore this week, the average price was $521, with the best Southwest deals starting from $297 round-trip. 4,256 users have rated Southwest on momondo, with an average score of 8.0/10.

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Baltimore?

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 Baltimore from San Antonio.

Can I find flights from San Antonio to Baltimore with flexible booking policies on momondo?

momondo does allow users to show only those flights to Baltimore from San Antonio which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from San Antonio to Baltimore?

momondo helps you find the best flight between San Antonio and Baltimore by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of San Antonio to Baltimore flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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