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Cheap flights from San Antonio to Washington, D.C. from $71

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 9/20. 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 San Antonio to Washington, D.C. (SAT-BWI)

Cheap round-trip flights

Frontier Logo
5:35 pm - 12:13 amSAT-BWI
5h 38m1 stop
Frontier Logo
9:13 am - 4:40 pmBWI-SAT
8h 27m1 stop
$160Frontier
Find Deal
Fri, Nov 7 - Mon, Nov 10
Frontier Logo
5:40 pm - 12:17 amSAT-BWI
5h 37m1 stop
Frontier Logo
6:22 am - 4:30 pmBWI-SAT
11h 08m1 stop
$163Frontier
Find Deal
Mon, Sep 15 - Fri, Sep 19
Logo
5:40 pm - 12:17 amSAT-BWI
5h 37m1 stop
Logo
5:45 am - 7:32 pmBWI-SAT
14h 47m1 stop
$164
Find Deal
Mon, Sep 8 - Sat, Sep 13
Frontier Logo
11:33 am - 7:10 pmSAT-BWI
6h 37m1 stop
Frontier Logo
6:22 am - 4:30 pmBWI-SAT
11h 08m1 stop
$166Frontier
Find Deal
Thu, Sep 25 - Mon, Sep 29
Logo
8:37 pm - 7:01 amSAT-BWI
9h 24m1 stop
Logo
6:27 pm - 2:27 pmBWI-SAT
21h 00m1 stop
$168
Find Deal
Sat, Sep 20 - Fri, Sep 26
Spirit Airlines Logo
8:37 pm - 7:01 amSAT-BWI
9h 24m1 stop
Spirit Airlines Logo
5:45 am - 7:32 pmBWI-SAT
14h 47m1 stop
$169Spirit Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
Frontier Logo
8:26 pm - 5:44 pmSAT-BWI
20h 18m1 stop
Frontier Logo
6:05 am - 4:50 pmBWI-SAT
11h 45m1 stop
$171Frontier
Find Deal
Thu, Oct 23 - Mon, Oct 27
Spirit Airlines Logo
9:47 pm - 7:01 amSAT-BWI
32h 14m2 stops
Spirit Airlines Logo
5:45 am - 7:32 pmBWI-SAT
14h 47m1 stop
$198Spirit Airlines
Find Deal
Mon, Sep 8 - Sat, Sep 13
Spirit Airlines Logo
8:37 pm - 7:01 amSAT-BWI
9h 24m1 stop
Spirit Airlines Logo
5:45 am - 7:32 pmBWI-SAT
14h 47m1 stop
$201Spirit Airlines
Find Deal
Sat, Sep 13 - Sat, Sep 20
Spirit Airlines Logo
8:37 pm - 7:47 pmSAT-BWI
22h 10m3 stops
Spirit Airlines Logo
5:45 am - 7:32 pmBWI-SAT
14h 47m1 stop
$205Spirit Airlines
Find Deal
Mon, Sep 8 - Sat, Sep 13

Frontier flights from San Antonio to Baltimore

Our best Frontier deals on San Antonio to Baltimore flight tickets
Frontier
Nov 7
SAT5:35 pmSan Antonio
5h 38m
1 stop
BWI12:13 amBaltimore/Washington
Nov 10
BWI9:13 amBaltimore/Washington
8h 27m
1 stop
SAT4:40 pmSan Antonio
$160
Find similar
Frontier
Sep 15
SAT5:40 pmSan Antonio
5h 37m
1 stop
BWI12:17 amBaltimore/Washington
Sep 19
BWI6:22 amBaltimore/Washington
11h 08m
1 stop
SAT4:30 pmSan Antonio
$163
Find similar
Frontier
Sep 25
SAT11:33 amSan Antonio
6h 37m
1 stop
BWI7:10 pmBaltimore/Washington
Sep 29
BWI6:22 amBaltimore/Washington
11h 08m
1 stop
SAT4:30 pmSan Antonio
$166
Find similar

Spirit Airlines flights from San Antonio to Baltimore

Our best Spirit Airlines deals on San Antonio to Baltimore flight tickets
Spirit Airlines
Sep 13
SAT8:37 pmSan Antonio
9h 24m
1 stop
BWI7:01 amBaltimore/Washington
Sep 20
BWI5:45 amBaltimore/Washington
14h 47m
1 stop
SAT7:32 pmSan Antonio
$169
Find similar
Spirit Airlines
Sep 8
SAT9:47 pmSan Antonio
32h 14m
2 stops
BWI7:01 amBaltimore/Washington
Sep 13
BWI5:45 amBaltimore/Washington
14h 47m
1 stop
SAT7:32 pmSan Antonio
$198
Find similar
Spirit Airlines
Sep 13
SAT8:37 pmSan Antonio
9h 24m
1 stop
BWI7:01 amBaltimore/Washington
Sep 20
BWI5:45 amBaltimore/Washington
14h 47m
1 stop
SAT7:32 pmSan Antonio
$201
Find similar

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 August 20, 2025.
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

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 11/7

5:35 pm-12:13 am

1 stop5h 38m

Baltimore/Washington

Mon 11/10

9:13 am-4:40 pm

1 stop8h 27m

$160

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Mon 9/15

5:40 pm-12:17 am

1 stop5h 37m

Baltimore/Washington

Fri 9/19

6:22 am-4:30 pm

1 stop11h 08m

$163

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Mon 9/8

5:40 pm-12:17 am

1 stop5h 37m

Baltimore/Washington

Sat 9/13

5:45 am-7:32 pm

1 stop14h 47m

$164

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Thu 9/25

11:33 am-7:10 pm

1 stop6h 37m

Baltimore/Washington

Mon 9/29

6:22 am-4:30 pm

1 stop11h 08m

$166

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Sat 9/20

8:37 pm-7:01 am

1 stop9h 24m

Baltimore/Washington

Fri 9/26

6:27 pm-2:27 pm

1 stop21h 00m

$168

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Sat 9/13

8:37 pm-7:01 am

1 stop9h 24m

Baltimore/Washington

Sat 9/20

5:45 am-7:32 pm

1 stop14h 47m

$169

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Thu 10/23

8:26 pm-5:44 pm

1 stop20h 18m

Baltimore/Washington

Mon 10/27

6:05 am-4:50 pm

1 stop11h 45m

$171

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Mon 9/8

9:47 pm-7:01 am

2 stops32h 14m

Baltimore/Washington

Sat 9/13

5:45 am-7:32 pm

1 stop14h 47m

$198

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Sat 9/13

8:37 pm-7:01 am

1 stop9h 24m

Baltimore/Washington

Sat 9/20

5:45 am-7:32 pm

1 stop14h 47m

$201

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Mon 9/8

8:37 pm-7:47 pm

3 stops22h 10m

Baltimore/Washington

Sat 9/13

5:45 am-7:32 pm

1 stop14h 47m

$205

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 cheapest month to fly to Baltimore?

If you’re not able to fly to Baltimore in August, then January is your next best option. Flight prices from San Antonio to Baltimore during January average around $328.

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 $410. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $481. 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 $485.

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 $404 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 $237 on momondo.

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

There are 1 cabin classes 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 August 2025, prices for San Antonio to Baltimore flights are approximately 98% more expensive 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

$156

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 $156. The best round-trip flight deal from San Antonio to Baltimore found on momondo in the last 72 hours is $275.
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 near Baltimore: 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 5h 28m.

  • 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 $96Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $107Free CancellationRating
6.3
8,039 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $215Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $216Free CancellationRating
7.9
7,982 reviews
Search Delta flights
United AirlinesPriceFrom $239Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights
SouthwestPriceFrom $284Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

  • Southwest Flights From San Antonio to Baltimore

    Across 13 Southwest flights from San Antonio to Baltimore this week, the average price was $500, with the best Southwest deals starting from $284 round-trip. 4,246 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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