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Cheap flights from San Antonio to Brussels from $321

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 Brussels departing on 3/21. 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
0 bags

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Find the cheapest flights from San Antonio to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:49 am - 9:00 am
SAT
-
BRU
19h 11m
1 stop
United Airlines Logo
9:25 am - 3:11 pm
BRU
-
SAT
36h 46m
2 stops
$489United Airlines
Sun, Apr 12 - Tue, Apr 21
United Airlines Logo
2:14 pm - 7:10 am
SAT
-
BRU
33h 56m
2 stops
United Airlines Logo
9:25 am - 3:11 pm
BRU
-
SAT
36h 46m
2 stops
$492United Airlines
Sun, Apr 12 - Tue, Apr 21
United Airlines Logo
2:14 pm - 1:15 pm
SAT
-
BRU
16h 01m
2 stops
United Airlines Logo
12:00 pm - 8:40 pm
BRU
-
SAT
15h 40m
1 stop
$505United Airlines
Wed, Apr 22 - Wed, Apr 29
KLM Logo
8:00 am - 7:40 am
SAT
-
BRU
16h 40m
1 stop
KLM Logo
9:45 am - 6:09 pm
BRU
-
SAT
15h 24m
1 stop
$509KLM
Sun, Apr 12 - Tue, Apr 21
United Airlines Logo
6:49 am - 1:15 pm
SAT
-
BRU
23h 26m
2 stops
United Airlines Logo
12:45 pm - 7:48 pm
BRU
-
SAT
38h 03m
2 stops
$670United Airlines
Sun, Apr 5 - Sun, Apr 12
United Airlines Logo
7:15 am - 7:15 am
SAT
-
BRU
17h 00m
1 stop
United Airlines Logo
12:45 pm - 7:48 pm
BRU
-
SAT
38h 03m
2 stops
$673United Airlines
Sun, Apr 5 - Sun, Apr 12
United Airlines Logo
2:14 pm - 1:15 pm
SAT
-
BRU
16h 01m
2 stops
United Airlines Logo
12:00 pm - 8:37 pm
BRU
-
SAT
15h 37m
1 stop
$725United Airlines
Wed, Apr 8 - Wed, Jun 24
KLM Logo
12:24 pm - 7:40 am
SAT
-
BRU
12h 16m
1 stop
KLM Logo
9:45 am - 5:13 pm
BRU
-
SAT
14h 28m
1 stop
$729KLM
Wed, Apr 8 - Wed, Jun 24
Multiple Airlines Logo
12:09 pm - 7:15 am
SAT
-
BRU
12h 06m
1 stop
Multiple Airlines Logo
9:25 am - 10:53 pm
BRU
-
SAT
20h 28m
2 stops
$736Multiple Airlines
Fri, Apr 3 - Fri, Apr 10
Air Canada Logo
9:40 am - 7:10 am
SAT
-
BRU
14h 30m
2 stops
Air Canada Logo
9:25 am - 10:53 pm
BRU
-
SAT
44h 28m
2 stops
$741Air Canada
Thu, Apr 2 - Thu, Apr 9

United Airlines flights from San Antonio to Brussels

Our best United Airlines deals on San Antonio to Brussels flight tickets
United Airlines
Apr 12
SAT6:49 amSan Antonio
19h 11m
1 stop
BRU9:00 amBrussels Bruxelles-National
Apr 21
BRU9:25 amBrussels Bruxelles-National
36h 46m
2 stops
SAT3:11 pmSan Antonio
$489
United Airlines
Apr 12
SAT2:14 pmSan Antonio
33h 56m
2 stops
BRU7:10 amBrussels Bruxelles-National
Apr 21
BRU9:25 amBrussels Bruxelles-National
36h 46m
2 stops
SAT3:11 pmSan Antonio
$492
United Airlines
Apr 22
SAT2:14 pmSan Antonio
16h 01m
2 stops
BRU1:15 pmBrussels Bruxelles-National
Apr 29
BRU12:00 pmBrussels Bruxelles-National
15h 40m
1 stop
SAT8:40 pmSan Antonio
$505

Air Canada flights from San Antonio to Brussels

Our best Air Canada deals on San Antonio to Brussels flight tickets
Air Canada
Apr 2
SAT9:40 amSan Antonio
14h 30m
2 stops
BRU7:10 amBrussels Bruxelles-National
Apr 9
BRU9:25 amBrussels Bruxelles-National
44h 28m
2 stops
SAT10:53 pmSan Antonio
$741
Air Canada
Feb 27
SAT7:20 pmSan Antonio
29h 30m
2 stops
BRU7:50 amBrussels Bruxelles-National
Mar 20
BRU10:00 amBrussels Bruxelles-National
28h 38m
2 stops
SAT8:38 amSan Antonio
$1,002
Air Canada
Feb 27
SAT7:40 amSan Antonio
17h 10m
3 stops
BRU7:50 amBrussels Bruxelles-National
Mar 20
BRU7:00 amBrussels Bruxelles-National
20h 25m
3 stops
SAT9:25 pmSan Antonio
$2,383

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Brussels 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 February 20, 2026.
Use the filters below to find and compare flights from San Antonio to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioBrussels

SAT - BRU

SATBRU

San Antonio

Sun 4/12

6:49 am-9:00 am

1 stop19h 11m

Brussels Bruxelles-National

Tue 4/21

9:25 am-3:11 pm

2 stops36h 46m

$489

San AntonioBrussels

SAT - BRU

SATBRU

San Antonio

Sun 4/12

2:14 pm-7:10 am

2 stops33h 56m

Brussels Bruxelles-National

Tue 4/21

9:25 am-3:11 pm

2 stops36h 46m

$492

San AntonioBrussels

SAT - BRU

SATBRU

San Antonio

Wed 4/22

2:14 pm-1:15 pm

2 stops16h 01m

Brussels Bruxelles-National

Wed 4/29

12:00 pm-8:40 pm

1 stop15h 40m

$505

San AntonioBrussels

SAT - BRU

SATBRU

San Antonio

Sun 4/12

8:00 am-7:40 am

1 stop16h 40m

Brussels Bruxelles-National

Tue 4/21

9:45 am-6:09 pm

1 stop15h 24m

$509

San AntonioBrussels

SAT - BRU

SATBRU

San Antonio

Sun 4/5

6:49 am-1:15 pm

2 stops23h 26m

Brussels Bruxelles-National

Sun 4/12

12:45 pm-7:48 pm

2 stops38h 03m

$670

San AntonioBrussels

SAT - BRU

SATBRU

San Antonio

Sun 4/5

7:15 am-7:15 am

1 stop17h 00m

Brussels Bruxelles-National

Sun 4/12

12:45 pm-7:48 pm

2 stops38h 03m

$673

San AntonioBrussels

SAT - BRU

SATBRU

San Antonio

Wed 4/8

2:14 pm-1:15 pm

2 stops16h 01m

Brussels Bruxelles-National

Wed 6/24

12:00 pm-8:37 pm

1 stop15h 37m

$725

San AntonioBrussels

SAT - BRU

SATBRU

San Antonio

Wed 4/8

12:24 pm-7:40 am

1 stop12h 16m

Brussels Bruxelles-National

Wed 6/24

9:45 am-5:13 pm

1 stop14h 28m

$729

San AntonioBrussels

SAT - BRU

SATBRU

San Antonio

Fri 4/3

12:09 pm-7:15 am

1 stop12h 06m

Brussels Bruxelles-National

Fri 4/10

9:25 am-10:53 pm

2 stops20h 28m

$736

San AntonioBrussels

SAT - BRU

SATBRU

San Antonio

Thu 4/2

9:40 am-7:10 am

2 stops14h 30m

Brussels Bruxelles-National

Thu 4/9

9:25 am-10:53 pm

2 stops44h 28m

$741

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Brussels from

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

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 airline that flies from San Antonio to Brussels?

United Airlines and Lufthansa are the most popular carriers operating from San Antonio to Brussels

What airlines fly to Brussels?

United Airlines, British Airways and Lufthansa are the top three most popular airlines that fly to Brussels from San Antonio according to our data. United Airlines is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Brussels. Keep in mind that there are 4 different airlines that fly to Brussels on a routine basis, so you have a few additional options to choose from.

Cheap San Antonio to Brussels flight deals and tips

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

Fastest flight time

16h 03m

Direct flights

None
The fastest flight from San Antonio to Brussels takes 16h 03m
There are no direct flights from San Antonio to Brussels. There are no popular flight routes from San Antonio to Brussels.
Search flight deals

  • How far is San Antonio to Brussels by plane?

    A flight from San Antonio to Brussels will travel around 5178.7 mi. Flights usually cover this in 16h 03m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Antonio Airport to Brussels?

    Prices for flights from San Antonio Airport to Brussels refresh daily.

  • How many operators does momondo search for flights from San Antonio Airport to Brussels?

  • How old do you have to be to fly from San Antonio Airport to Brussels?

    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 Brussels.

  • What documentation or ID do you need to fly to Brussels?

    The travel and health documents you'll need for your trip to Brussels 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 Brussels. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San Antonio to Brussels

Compare and see reviews for airlines that fly from San Antonio to Brussels with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $603Free CancellationRating
7.4
9,325 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to Brussels for you.

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

Flights from San Antonio to Brussels with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Brussels from San Antonio. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Brussels from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport