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Cheap flights from Belfast to San Antonio from $608

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Belfast to San Antonio departing on 9/15. 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 Belfast to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
10:05 am - 7:41 pm
BHD
-
SAT
15h 36m
2 stops
British Airways Logo
8:13 am - 10:30 am
SAT
-
BHD
20h 17m
2 stops
$1,406British Airways
Wed, Sep 30 - Sun, Oct 4
British Airways Logo
11:35 am - 11:21 pm
BHD
-
SAT
17h 46m
2 stops
British Airways Logo
8:26 pm - 6:45 pm
SAT
-
BHD
16h 19m
2 stops
$1,419British Airways
Wed, Sep 30 - Sun, Oct 4
British Airways Logo
10:05 am - 10:55 pm
BHD
-
SAT
18h 50m
2 stops
British Airways Logo
11:03 am - 10:30 am
SAT
-
BHD
17h 27m
2 stops
$1,424British Airways
Wed, Sep 30 - Sun, Oct 4
British Airways Logo
10:05 am - 11:59 pm
BHD
-
SAT
19h 54m
2 stops
British Airways Logo
7:09 pm - 5:40 pm
SAT
-
BHD
16h 31m
2 stops
$1,425British Airways
Wed, Sep 30 - Sun, Oct 4
British Airways Logo
9:05 am - 8:51 pm
BHD
-
SAT
17h 46m
2 stops
British Airways Logo
3:00 pm - 2:15 pm
SAT
-
BHD
17h 15m
2 stops
$1,432British Airways
Thu, Nov 12 - Mon, Nov 16

British Airways flights from Belfast to San Antonio

Our best British Airways deals on Belfast to San Antonio flight tickets
British Airways
Sep 30
BHD10:05 amBelfast City
15h 36m
2 stops
SAT7:41 pmSan Antonio
Oct 4
SAT8:13 amSan Antonio
20h 17m
2 stops
BHD10:30 amBelfast City
$1,406
British Airways
Sep 30
BHD11:35 amBelfast City
17h 46m
2 stops
SAT11:21 pmSan Antonio
Oct 4
SAT8:26 pmSan Antonio
16h 19m
2 stops
BHD6:45 pmBelfast City
$1,419
British Airways
Sep 30
BHD10:05 amBelfast City
18h 50m
2 stops
SAT10:55 pmSan Antonio
Oct 4
SAT11:03 amSan Antonio
17h 27m
2 stops
BHD10:30 amBelfast City
$1,424

momondo Fare Finder

 
Customize your flight search to find flights from Belfast to San Antonio 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 May 16, 2026.
Use the filters below to find and compare flights from Belfast to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BelfastSan Antonio

BHD - SAT

BHDSAT

Belfast City

Wed 9/30

10:05 am-7:41 pm

2 stops15h 36m

San Antonio

Sun 10/4

8:13 am-10:30 am

2 stops20h 17m

$1,406
Quickest round-trip

BelfastSan Antonio

BHD - SAT

BHDSAT

Belfast City

Wed 9/30

11:35 am-11:21 pm

2 stops17h 46m

San Antonio

Sun 10/4

8:26 pm-6:45 pm

2 stops16h 19m

$1,419

BelfastSan Antonio

BHD - SAT

BHDSAT

Belfast City

Wed 9/30

10:05 am-10:55 pm

2 stops18h 50m

San Antonio

Sun 10/4

11:03 am-10:30 am

2 stops17h 27m

$1,424

BelfastSan Antonio

BHD - SAT

BHDSAT

Belfast City

Wed 9/30

10:05 am-11:59 pm

2 stops19h 54m

San Antonio

Sun 10/4

7:09 pm-5:40 pm

2 stops16h 31m

$1,425

BelfastSan Antonio

BHD - SAT

BHDSAT

Belfast City

Thu 11/12

9:05 am-8:51 pm

2 stops17h 46m

San Antonio

Mon 11/16

3:00 pm-2:15 pm

2 stops17h 15m

$1,432
Cheapest one-way

BelfastSan Antonio

BHD - SAT

BHDSAT

Belfast City

Tue 9/15

2:20 pm-6:54 pm

3 stops58h 34m

$608

BelfastSan Antonio

BFS - SAT

BFSSAT

Belfast Intl

Tue 6/30

11:30 pm-2:55 pm

3 stops45h 25m

$673

BelfastSan Antonio

BHD - SAT

BHDSAT

Belfast City

Tue 6/30

6:35 pm-11:10 am

3 stops46h 35m

$742

BelfastSan Antonio

BFS - SAT

BFSSAT

Belfast Intl

Tue 6/30

11:30 pm-9:13 pm

2 stops27h 43m

$763

BelfastSan Antonio

BHD - SAT

BHDSAT

Belfast City

Tue 9/15

7:30 pm-5:45 pm

2 stops28h 15m

$899

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to San Antonio from

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

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 Belfast to San Antonio?

British Airways is the most popular carrier operating from Belfast to San Antonio

Cheap Belfast to San Antonio flight deals and tips

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

Fastest flight time

17h 46m

Direct flights

None
The fastest flight from Belfast to San Antonio takes 17h 46m
There are no direct flights from Belfast to San Antonio. There are no popular flight routes from Belfast to San Antonio.
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Frequently asked questions about flying from Belfast to San Antonio

  • How far is Belfast to San Antonio by plane?

    The distance between Belfast and San Antonio is about 4681.2 mi. 17h 46m is a normal flight duration for this route.

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

    Prices for flights from Belfast to San Antonio Airport are updated daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Belfast to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The required travel and health documents for your San Antonio Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Antonio Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Pleasanton
Schertz

Why use momondo?

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

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 Belfast to San Antonio for you.

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

Yes. momondo enables you to select and highlight flights to San Antonio from Belfast with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Belfast to San Antonio.

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

Price alerts on flights to San Antonio from Belfast 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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