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Cheap flights from San Antonio to Brussels from $518

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 9/18. 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 Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:24 pm - 1:15 pmSAT  San Antonio-BRU Brussels Bruxelles-National
17h 51m2 stops Washington, D.C. Dulles Intl London Heathrow
United Airlines Logo
10:10 am - 10:53 pmBRU  Brussels Bruxelles-National-SAT San Antonio
19h 43m1 stop Chicago O'Hare Intl
$747United Airlines
Mon, Nov 23 - Fri, Nov 27
United Airlines Logo
7:00 am - 7:15 amSAT  San Antonio-BRU Brussels Bruxelles-National
17h 15m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
10:10 am - 10:53 pmBRU  Brussels Bruxelles-National-SAT San Antonio
19h 43m1 stop Chicago O'Hare Intl
$750United Airlines
Mon, Nov 23 - Fri, Nov 27
United Airlines Logo
2:20 pm - 1:15 pmSAT  San Antonio-BRU Brussels Bruxelles-National
15h 55m2 stops Houston George Bush Intcntl London Heathrow
United Airlines Logo
10:10 am - 8:53 pmBRU  Brussels Bruxelles-National-SAT San Antonio
17h 43m2 stops Chicago O'Hare Intl Denver Intl
$751United Airlines
Mon, Nov 23 - Fri, Nov 27
Air Canada Logo
9:35 am - 1:15 pmSAT  San Antonio-BRU Brussels Bruxelles-National
20h 40m3 stops Houston George Bush Intcntl Montreal Pierre Elliott Trudeau Intl London Heathrow
Air Canada Logo
2:25 pm - 1:16 pmBRU  Brussels Bruxelles-National-SAT San Antonio
29h 51m3 stops Frankfurt am Main Toronto Pearson Intl Houston George Bush Intcntl
$765Air Canada
Mon, Nov 23 - Fri, Nov 27
Multiple Airlines Logo
6:40 am - 7:50 amSAT  San Antonio-BRU Brussels Bruxelles-National
18h 10m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
2:25 pm - 1:16 pmBRU  Brussels Bruxelles-National-SAT San Antonio
29h 51m3 stops Frankfurt am Main Toronto Pearson Intl Houston George Bush Intcntl
$768Multiple Airlines
Mon, Nov 23 - Fri, Nov 27
Air Canada Logo
7:00 am - 7:10 amSAT  San Antonio-BRU Brussels Bruxelles-National
17h 10m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
9:10 am - 10:50 pmBRU  Brussels Bruxelles-National-SAT San Antonio
20h 40m2 stops Montreal Pierre Elliott Trudeau Intl Chicago O'Hare Intl
$788Air Canada
Mon, Sep 21 - Tue, Sep 29
Air Canada Logo
6:30 am - 7:10 amSAT  San Antonio-BRU Brussels Bruxelles-National
17h 40m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
9:10 am - 8:38 pmBRU  Brussels Bruxelles-National-SAT San Antonio
42h 28m2 stops Montreal Pierre Elliott Trudeau Intl Washington, D.C. Dulles Intl
$790Air Canada
Mon, Sep 21 - Tue, Sep 29
United Airlines Logo
12:10 pm - 7:25 amSAT  San Antonio-BRU Brussels Bruxelles-National
12h 15m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
9:55 am - 12:11 pmBRU  Brussels Bruxelles-National-SAT San Antonio
33h 16m2 stops Toronto Pearson Intl Chicago O'Hare Intl
$792United Airlines
Mon, Sep 21 - Tue, Sep 29
Multiple Airlines Logo
7:00 am - 7:10 amSAT  San Antonio-BRU Brussels Bruxelles-National
17h 10m2 stops Washington, D.C. Dulles Intl Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
12:00 pm - 8:38 pmBRU  Brussels Bruxelles-National-SAT San Antonio
15h 38m1 stop Washington, D.C. Dulles Intl
$794Multiple Airlines
Mon, Sep 21 - Tue, Sep 29
Brussels Airlines Logo
12:10 pm - 7:25 amSAT  San Antonio-BRU Brussels Bruxelles-National
12h 15m1 stop Washington, D.C. Dulles Intl
Brussels Airlines Logo
12:00 pm - 8:38 pmBRU  Brussels Bruxelles-National-SAT San Antonio
15h 38m1 stop Washington, D.C. Dulles Intl
$795Brussels Airlines
Mon, Sep 21 - Tue, Sep 29

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Air Canada flights from San Antonio to Brussels

Our best Air Canada deals on San Antonio to Brussels flight tickets
Air Canada
Sep 21
SAT7:00 amSan Antonio
17h 10m
2 stops
BRU7:10 amBrussels Bruxelles-National
Sep 29
BRU9:10 amBrussels Bruxelles-National
20h 40m
2 stops
SAT10:50 pmSan Antonio
$788
Air Canada
Sep 21
SAT6:30 amSan Antonio
17h 40m
2 stops
BRU7:10 amBrussels Bruxelles-National
Sep 29
BRU9:10 amBrussels Bruxelles-National
42h 28m
2 stops
SAT8:38 pmSan Antonio
$790
Air Canada
Sep 21
SAT6:30 amSan Antonio
17h 40m
2 stops
BRU7:10 amBrussels Bruxelles-National
Sep 29
BRU9:55 amBrussels Bruxelles-National
40h 33m
2 stops
SAT7:28 pmSan Antonio
$795

United Airlines flights from San Antonio to Brussels

Our best United Airlines deals on San Antonio to Brussels flight tickets
United Airlines
Sep 21
SAT12:10 pmSan Antonio
12h 15m
1 stop
BRU7:25 amBrussels Bruxelles-National
Sep 29
BRU9:55 amBrussels Bruxelles-National
33h 16m
2 stops
SAT12:11 pmSan Antonio
$792
United Airlines
Oct 19
SAT9:00 amSan Antonio
28h 00m
2 stops
BRU8:00 pmBrussels Bruxelles-National
Oct 26
BRU1:45 pmBrussels Bruxelles-National
39h 08m
2 stops
SAT10:53 pmSan Antonio
$822
United Airlines
Oct 19
SAT7:00 amSan Antonio
17h 15m
1 stop
BRU7:15 amBrussels Bruxelles-National
Oct 26
BRU1:45 pmBrussels Bruxelles-National
39h 08m
2 stops
SAT10:53 pmSan Antonio
$826

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 August 5, 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

Cheapest round-trip

San AntonioBrussels

SAT San Antonio - BRU Brussels Bruxelles-National

SATBRU

San Antonio

Mon 11/23

12:24 pm-1:15 pm

2 stops17h 51m

Brussels Bruxelles-National

Fri 11/27

10:10 am-10:53 pm

1 stop19h 43m

$747

San AntonioBrussels

SAT San Antonio - BRU Brussels Bruxelles-National

SATBRU

San Antonio

Mon 11/23

7:00 am-7:15 am

1 stop17h 15m

Brussels Bruxelles-National

Fri 11/27

10:10 am-10:53 pm

1 stop19h 43m

$750

San AntonioBrussels

SAT San Antonio - BRU Brussels Bruxelles-National

SATBRU

San Antonio

Mon 11/23

2:20 pm-1:15 pm

2 stops15h 55m

Brussels Bruxelles-National

Fri 11/27

10:10 am-8:53 pm

2 stops17h 43m

$751

San AntonioBrussels

SAT San Antonio - BRU Brussels Bruxelles-National

SATBRU

San Antonio

Mon 11/23

9:35 am-1:15 pm

3 stops20h 40m

Brussels Bruxelles-National

Fri 11/27

2:25 pm-1:16 pm

3 stops29h 51m

$765

San AntonioBrussels

SAT San Antonio - BRU Brussels Bruxelles-National

SATBRU

San Antonio

Mon 11/23

6:40 am-7:50 am

2 stops18h 10m

Brussels Bruxelles-National

Fri 11/27

2:25 pm-1:16 pm

3 stops29h 51m

$768

San AntonioBrussels

SAT San Antonio - BRU Brussels Bruxelles-National

SATBRU

San Antonio

Mon 9/21

7:00 am-7:10 am

2 stops17h 10m

Brussels Bruxelles-National

Tue 9/29

9:10 am-10:50 pm

2 stops20h 40m

$788

San AntonioBrussels

SAT San Antonio - BRU Brussels Bruxelles-National

SATBRU

San Antonio

Mon 9/21

6:30 am-7:10 am

2 stops17h 40m

Brussels Bruxelles-National

Tue 9/29

9:10 am-8:38 pm

2 stops42h 28m

$790

San AntonioBrussels

SAT San Antonio - BRU Brussels Bruxelles-National

SATBRU

San Antonio

Mon 9/21

12:10 pm-7:25 am

1 stop12h 15m

Brussels Bruxelles-National

Tue 9/29

9:55 am-12:11 pm

2 stops33h 16m

$792

San AntonioBrussels

SAT San Antonio - BRU Brussels Bruxelles-National

SATBRU

San Antonio

Mon 9/21

7:00 am-7:10 am

2 stops17h 10m

Brussels Bruxelles-National

Tue 9/29

12:00 pm-8:38 pm

1 stop15h 38m

$794
Quickest round-trip

San AntonioBrussels

SAT San Antonio - BRU Brussels Bruxelles-National

SATBRU

San Antonio

Mon 9/21

12:10 pm-7:25 am

1 stop12h 15m

Brussels Bruxelles-National

Tue 9/29

12:00 pm-8:38 pm

1 stop15h 38m

$795

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 54% of people opting to fly with this airline when traveling to Brussels. Keep in mind that there are 5 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

17h 10m

Direct flights

None
The fastest flight from San Antonio to Brussels takes 17h 10m
There are no direct flights from San Antonio to Brussels. There are no popular flight routes from San Antonio to Brussels.
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Frequently asked questions about flying from San Antonio to Brussels

  • 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 17h 10m, 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 $556Free CancellationRating
7.4
10,058 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