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Cheap flights from San Antonio to Washington, D.C. from $80

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 3/31. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
6:00 pm - 11:22 am
SAT
-
BWI
16h 22m
1 stop
Frontier Logo
5:49 pm - 9:24 am
BWI
-
SAT
40h 35m
2 stops
$204Frontier
Mon, Apr 13 - Wed, Apr 15
Multiple Airlines Logo
10:22 am - 8:31 pm
SAT
-
BWI
9h 09m
2 stops
Multiple Airlines Logo
9:26 pm - 5:05 pm
BWI
-
SAT
20h 39m
1 stop
$222Multiple Airlines
Thu, Apr 2 - Thu, Apr 9
Frontier Logo
6:00 pm - 11:22 am
SAT
-
BWI
16h 22m
1 stop
Frontier Logo
10:00 pm - 9:24 am
BWI
-
SAT
12h 24m
1 stop
$224Frontier
Mon, Apr 13 - Thu, Apr 16
Frontier Logo
10:23 am - 8:55 pm
SAT
-
BWI
9h 32m
1 stop
Frontier Logo
9:38 am - 5:35 pm
BWI
-
SAT
8h 57m
1 stop
$230Frontier
Fri, Apr 17 - Sat, Apr 18
Multiple Airlines Logo
10:22 am - 6:45 pm
SAT
-
BWI
7h 23m
1 stop
Multiple Airlines Logo
9:26 pm - 5:05 pm
BWI
-
SAT
20h 39m
1 stop
$236Multiple Airlines
Thu, Apr 2 - Thu, Apr 2
Multiple Airlines Logo
10:22 am - 12:44 am
SAT
-
BWI
13h 22m
2 stops
Multiple Airlines Logo
9:48 pm - 9:27 am
BWI
-
SAT
12h 39m
1 stop
$239Multiple Airlines
Wed, Apr 8 - Sun, Apr 12
Multiple Airlines Logo
10:22 am - 6:45 pm
SAT
-
BWI
7h 23m
1 stop
Multiple Airlines Logo
10:00 pm - 9:24 am
BWI
-
SAT
12h 24m
1 stop
$244Multiple Airlines
Thu, Apr 9 - Thu, Apr 16
Multiple Airlines Logo
10:22 am - 3:57 pm
SAT
-
BWI
28h 35m
1 stop
Multiple Airlines Logo
8:44 pm - 9:27 am
BWI
-
SAT
13h 43m
1 stop
$255Multiple Airlines
Tue, Apr 7 - Fri, Apr 10
Multiple Airlines Logo
10:22 am - 6:45 pm
SAT
-
BWI
7h 23m
1 stop
Multiple Airlines Logo
8:44 pm - 9:27 am
BWI
-
SAT
13h 43m
1 stop
$259Multiple Airlines
Thu, Apr 9 - Fri, Apr 10
Frontier Logo
6:00 pm - 12:44 am
SAT
-
BWI
5h 44m
1 stop
Frontier Logo
11:30 am - 5:05 pm
BWI
-
SAT
6h 35m
1 stop
$261Frontier
Fri, Apr 10 - Mon, Apr 13

Frontier flights from San Antonio to Baltimore

Our best Frontier deals on San Antonio to Baltimore flight tickets
Frontier
Apr 13
SAT6:00 pmSan Antonio
16h 22m
1 stop
BWI11:22 amBaltimore/Washington
Apr 15
BWI5:49 pmBaltimore/Washington
40h 35m
2 stops
SAT9:24 amSan Antonio
$204
Frontier
Apr 13
SAT6:00 pmSan Antonio
16h 22m
1 stop
BWI11:22 amBaltimore/Washington
Apr 16
BWI10:00 pmBaltimore/Washington
12h 24m
1 stop
SAT9:24 amSan Antonio
$224
Frontier
Apr 17
SAT10:23 amSan Antonio
9h 32m
1 stop
BWI8:55 pmBaltimore/Washington
Apr 18
BWI9:38 amBaltimore/Washington
8h 57m
1 stop
SAT5:35 pmSan Antonio
$230

Spirit Airlines flights from San Antonio to Baltimore

Our best Spirit Airlines deals on San Antonio to Baltimore flight tickets
Spirit Airlines
Apr 7
SAT10:22 amSan Antonio
21h 52m
1 stop
BWI9:14 amBaltimore/Washington
Apr 11
BWI4:05 pmBaltimore/Washington
18h 22m
1 stop
SAT9:27 amSan Antonio
$265
Spirit Airlines
Apr 14
SAT10:22 amSan Antonio
21h 53m
1 stop
BWI9:15 amBaltimore/Washington
Apr 22
BWI10:10 amBaltimore/Washington
14h 41m
1 stop
SAT11:51 pmSan Antonio
$266
Spirit Airlines
Apr 23
SAT6:00 amSan Antonio
15h 20m
1 stop
BWI10:20 pmBaltimore/Washington
Apr 26
BWI5:30 amBaltimore/Washington
19h 21m
1 stop
SAT11:51 pmSan Antonio
$286

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 March 23, 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 4/13

6:00 pm-11:22 am

1 stop16h 22m

Baltimore/Washington

Wed 4/15

5:49 pm-9:24 am

2 stops40h 35m

$204

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Thu 4/2

10:22 am-8:31 pm

2 stops9h 09m

Baltimore/Washington

Thu 4/9

9:26 pm-5:05 pm

1 stop20h 39m

$222

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Mon 4/13

6:00 pm-11:22 am

1 stop16h 22m

Baltimore/Washington

Thu 4/16

10:00 pm-9:24 am

1 stop12h 24m

$224

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 4/17

10:23 am-8:55 pm

1 stop9h 32m

Baltimore/Washington

Sat 4/18

9:38 am-5:35 pm

1 stop8h 57m

$230

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Thu 4/2

10:22 am-6:45 pm

1 stop7h 23m

Baltimore/Washington

Thu 4/2

9:26 pm-5:05 pm

1 stop20h 39m

$236

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Wed 4/8

10:22 am-12:44 am

2 stops13h 22m

Baltimore/Washington

Sun 4/12

9:48 pm-9:27 am

1 stop12h 39m

$239

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Thu 4/9

10:22 am-6:45 pm

1 stop7h 23m

Baltimore/Washington

Thu 4/16

10:00 pm-9:24 am

1 stop12h 24m

$244

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Tue 4/7

10:22 am-3:57 pm

1 stop28h 35m

Baltimore/Washington

Fri 4/10

8:44 pm-9:27 am

1 stop13h 43m

$255

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Thu 4/9

10:22 am-6:45 pm

1 stop7h 23m

Baltimore/Washington

Fri 4/10

8:44 pm-9:27 am

1 stop13h 43m

$259
Quickest round-trip

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 4/10

6:00 pm-12:44 am

1 stop5h 44m

Baltimore/Washington

Mon 4/13

11:30 am-5:05 pm

1 stop6h 35m

$261

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 cheapest month to fly to Baltimore?

If you’re not able to fly to Baltimore in August, then May is your next best option. Flight prices from San Antonio to Baltimore during May average around $366.

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 Monday. Travelers who choose to depart for Baltimore on a Monday will often find tickets for as low as $385. If your travel schedule is flexible, try to avoid departing on a Sunday 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 $194 when looking at flights departing in the evening. Flights in the afternoon are often more expensive with an average ticket price of $454.

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 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 $409 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 $251 on momondo.

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

There is only 1 cabin class available to choose from on San Antonio to Baltimore/Washington 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 March 2026, prices for San Antonio to Baltimore flights are approximately 4% 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

$191

Fastest flight time

3h 05m

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 $191. The best round-trip flight deal from San Antonio to Baltimore found on momondo in the last 72 hours is $433.
The fastest flight from San Antonio to Baltimore takes 3h 05m
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

  • 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 05m.

  • 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
5.7
3,020 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $81Free CancellationRating
6.3
8,538 reviews
Search Spirit Airlines flights
DeltaPriceFrom $178Free CancellationRating
7.9
8,317 reviews
Search Delta flights
American AirlinesPriceFrom $218Free CancellationRating
7.1
11,486 reviews
Search American Airlines flights
United AirlinesPriceFrom $226Free CancellationRating
7.4
9,462 reviews
Search United Airlines flights
SouthwestPriceFrom $297Free CancellationRating
8.0
4,324 reviews
Search Southwest flights

  • Southwest Flights From San Antonio to Baltimore

    Across 12 Southwest flights from San Antonio to Baltimore this week, the average price was $498, with the best Southwest deals starting from $297 round-trip. 4,324 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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