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Cheap flights from San Antonio to Washington, D.C. from $69

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 11/10. 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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Frontier Logo
5:46 pm - 12:24 amSAT-BWI
5h 38m1 stop
Frontier Logo
5:45 am - 4:51 pmBWI-SAT
12h 06m1 stop
$154Frontier
Find Deal
Fri, Dec 12 - Sun, Dec 14
American Airlines Logo
7:00 am - 1:56 pmSAT-BWI
5h 56m1 stop
American Airlines Logo
2:46 pm - 9:58 pmBWI-SAT
8h 12m1 stop
$159American Airlines
Find Deal
Fri, Jan 9 - Mon, Jan 12
Spirit Airlines Logo
7:37 pm - 8:31 pmSAT-BWI
23h 54m2 stops
Spirit Airlines Logo
6:20 am - 6:32 pmBWI-SAT
13h 12m1 stop
$169Spirit Airlines
Find Deal
Wed, Nov 5 - Sun, Nov 9
Multiple Airlines Logo
5:35 pm - 12:13 amSAT-BWI
5h 38m1 stop
Multiple Airlines Logo
6:20 am - 6:32 pmBWI-SAT
13h 12m1 stop
$174Multiple Airlines
Find Deal
Mon, Nov 3 - Tue, Nov 4
Spirit Airlines Logo
6:00 am - 8:32 pmSAT-BWI
13h 32m1 stop
Spirit Airlines Logo
3:31 pm - 10:27 pmBWI-SAT
7h 56m1 stop
$175Spirit Airlines
Find Deal
Thu, Jan 8 - Mon, Jan 12
Multiple Airlines Logo
5:35 pm - 12:13 amSAT-BWI
5h 38m1 stop
Multiple Airlines Logo
2:00 pm - 6:32 pmBWI-SAT
29h 32m2 stops
$177Multiple Airlines
Find Deal
Mon, Nov 3 - Tue, Nov 4
Spirit Airlines Logo
7:37 pm - 10:38 amSAT-BWI
14h 01m1 stop
Spirit Airlines Logo
6:20 am - 6:32 pmBWI-SAT
13h 12m1 stop
$179Spirit Airlines
Find Deal
Wed, Nov 5 - Sun, Nov 9
Frontier Logo
5:35 pm - 12:13 amSAT-BWI
5h 38m1 stop
Frontier Logo
9:13 am - 4:40 pmBWI-SAT
8h 27m1 stop
$182Frontier
Find Deal
Mon, Nov 10 - Fri, Nov 14
Multiple Airlines Logo
5:35 pm - 12:13 amSAT-BWI
5h 38m1 stop
Multiple Airlines Logo
11:43 am - 6:32 pmBWI-SAT
7h 49m1 stop
$183Multiple Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17
Multiple Airlines Logo
7:37 pm - 3:47 pmSAT-BWI
19h 10m1 stop
Multiple Airlines Logo
10:00 am - 6:32 pmBWI-SAT
33h 32m2 stops
$185Multiple Airlines
Find Deal
Fri, Nov 7 - Tue, Nov 11

Frontier flights from San Antonio to Baltimore

Our best Frontier deals on San Antonio to Baltimore flight tickets
Frontier
Dec 12
SAT5:46 pmSan Antonio
5h 38m
1 stop
BWI12:24 amBaltimore/Washington
Dec 14
BWI5:45 amBaltimore/Washington
12h 06m
1 stop
SAT4:51 pmSan Antonio
$154
Find similar
Frontier
Nov 10
SAT5:35 pmSan Antonio
5h 38m
1 stop
BWI12:13 amBaltimore/Washington
Nov 14
BWI9:13 amBaltimore/Washington
8h 27m
1 stop
SAT4:40 pmSan Antonio
$182
Find similar
Frontier
Oct 31
SAT5:35 pmSan Antonio
5h 43m
1 stop
BWI12:18 amBaltimore/Washington
Nov 3
BWI9:13 amBaltimore/Washington
8h 27m
1 stop
SAT4:40 pmSan Antonio
$194
Find similar

Spirit Airlines flights from San Antonio to Baltimore

Our best Spirit Airlines deals on San Antonio to Baltimore flight tickets
Spirit Airlines
Nov 5
SAT7:37 pmSan Antonio
23h 54m
2 stops
BWI8:31 pmBaltimore/Washington
Nov 9
BWI6:20 amBaltimore/Washington
13h 12m
1 stop
SAT6:32 pmSan Antonio
$169
Find similar
Spirit Airlines
Jan 8
SAT6:00 amSan Antonio
13h 32m
1 stop
BWI8:32 pmBaltimore/Washington
Jan 12
BWI3:31 pmBaltimore/Washington
7h 56m
1 stop
SAT10:27 pmSan Antonio
$175
Find similar
Spirit Airlines
Nov 5
SAT7:37 pmSan Antonio
14h 01m
1 stop
BWI10:38 amBaltimore/Washington
Nov 9
BWI6:20 amBaltimore/Washington
13h 12m
1 stop
SAT6:32 pmSan Antonio
$179
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 October 22, 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 12/12

5:46 pm-12:24 am

1 stop5h 38m

Baltimore/Washington

Sun 12/14

5:45 am-4:51 pm

1 stop12h 06m

$154

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 1/9

7:00 am-1:56 pm

1 stop5h 56m

Baltimore/Washington

Mon 1/12

2:46 pm-9:58 pm

1 stop8h 12m

$159

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Wed 11/5

7:37 pm-8:31 pm

2 stops23h 54m

Baltimore/Washington

Sun 11/9

6:20 am-6:32 pm

1 stop13h 12m

$169

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Mon 11/3

5:35 pm-12:13 am

1 stop5h 38m

Baltimore/Washington

Tue 11/4

6:20 am-6:32 pm

1 stop13h 12m

$174

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Thu 1/8

6:00 am-8:32 pm

1 stop13h 32m

Baltimore/Washington

Mon 1/12

3:31 pm-10:27 pm

1 stop7h 56m

$175

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Mon 11/3

5:35 pm-12:13 am

1 stop5h 38m

Baltimore/Washington

Tue 11/4

2:00 pm-6:32 pm

2 stops29h 32m

$177

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Wed 11/5

7:37 pm-10:38 am

1 stop14h 01m

Baltimore/Washington

Sun 11/9

6:20 am-6:32 pm

1 stop13h 12m

$179

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Mon 11/10

5:35 pm-12:13 am

1 stop5h 38m

Baltimore/Washington

Fri 11/14

9:13 am-4:40 pm

1 stop8h 27m

$182

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 11/14

5:35 pm-12:13 am

1 stop5h 38m

Baltimore/Washington

Mon 11/17

11:43 am-6:32 pm

1 stop7h 49m

$183

San AntonioBaltimore

SAT - BWI

SATBWI

San Antonio

Fri 11/7

7:37 pm-3:47 pm

1 stop19h 10m

Baltimore/Washington

Tue 11/11

10:00 am-6:32 pm

2 stops33h 32m

$185

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 February is your next best option. Flight prices from San Antonio to Baltimore during February average around $371.

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 $408. 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 $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 $408 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 $243 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 October 2025, prices for San Antonio to Baltimore flights are approximately 183% 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

$159

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 $159. The best round-trip flight deal from San Antonio to Baltimore found on momondo in the last 72 hours is $355.
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 38m.

  • 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 $78Free CancellationRating
5.8
3,130 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $107Free CancellationRating
6.3
8,097 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $215Free CancellationRating
7.2
11,028 reviews
Search American Airlines flights
DeltaPriceFrom $220Free CancellationRating
7.9
7,980 reviews
Search Delta flights
United AirlinesPriceFrom $249Free CancellationRating
7.4
8,988 reviews
Search United Airlines flights
SouthwestPriceFrom $291Free CancellationRating
8.0
4,237 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 $501, with the best Southwest deals starting from $291 round-trip. 4,237 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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