How do I get Price Alerts for flights from Belfast to San Antonio?

Search flight deals from Belfast to San Antonio . While viewing offers you’ll have the option to create a Price Alert.

How can I save money on flights from Belfast to San Antonio with momondo?

Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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

Prices for flights from Belfast to San Antonio Airport are refreshed on a daily basis.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to San Antonio Airport.

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

The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£1,041 Cheap Flights from Belfast to San Antonio in 2026

Find the cheapest flights from Belfast to San Antonio

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

11:40 - 23:58BHD Belfast City-SAT San Antonio

18h 18m2 stops London Heathrow Chicago O'Hare Intl

19:04 - 10:50SAT San Antonio-BHD Belfast City

33h 46m2 stops Dallas/Fort Worth London Heathrow

£1,041British Airways

Wed, 20 Jan - Sun, 24 Jan

09:15 - 21:09BHD Belfast City-SAT San Antonio

17h 54m2 stops London Heathrow Dallas/Fort Worth

19:04 - 10:40SAT San Antonio-BHD Belfast City

33h 36m2 stops Dallas/Fort Worth London Heathrow

£1,043British Airways

Wed, 20 Jan - Sun, 24 Jan

11:25 - 23:58BHD Belfast City-SAT San Antonio

18h 33m2 stops London Heathrow Chicago O'Hare Intl

19:04 - 10:40SAT San Antonio-BHD Belfast City

33h 36m2 stops Dallas/Fort Worth London Heathrow

£1,043British Airways

Wed, 20 Jan - Sun, 24 Jan

11:40 - 23:58BHD Belfast City-SAT San Antonio

18h 18m2 stops London Heathrow Chicago O'Hare Intl

19:04 - 10:50SAT San Antonio-BHD Belfast City

33h 46m2 stops Dallas/Fort Worth London Heathrow

£1,043British Airways

Wed, 20 Jan - Sun, 24 Jan

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British Airways flights from Belfast to San Antonio

Our best British Airways deals on Belfast to San Antonio flight tickets

British Airways

20 Jan

BHD11:40Belfast City

18h 18m

2 stops

SAT23:58San Antonio

24 Jan

SAT19:04San Antonio

33h 46m

2 stops

BHD10:50Belfast City

£1,041

British Airways

20 Jan

BHD09:15Belfast City

17h 54m

2 stops

SAT21:09San Antonio

24 Jan

SAT19:04San Antonio

33h 36m

2 stops

BHD10:40Belfast City

£1,043

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BelfastSan Antonio

BHD Belfast City - SAT San Antonio

BHDSAT

Belfast City

Wed 20/1

11:40-23:58

2 stops18h 18m

San Antonio

Sun 24/1

19:04-10:50

2 stops33h 46m

£1,041

Fastest return journey

BelfastSan Antonio

BHD Belfast City - SAT San Antonio

BHDSAT

Belfast City

Wed 20/1

09:15-21:09

2 stops17h 54m

San Antonio

Sun 24/1

19:04-10:40

2 stops33h 36m

£1,043

BelfastSan Antonio

BHD Belfast City - SAT San Antonio

BHDSAT

Belfast City

Wed 20/1

11:25-23:58

2 stops18h 33m

San Antonio

Sun 24/1

19:04-10:40

2 stops33h 36m

£1,043

BelfastSan Antonio

BHD Belfast City - SAT San Antonio

BHDSAT

Belfast City

Wed 20/1

11:40-23:58

2 stops18h 18m

San Antonio

Sun 24/1

19:04-10:50

2 stops33h 46m

£1,043

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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	18h 18m
Direct flights	None

The fastest flight from Belfast to San Antonio takes 18h 18m

There are no direct flights from Belfast to San Antonio. There are no popular flight routes from Belfast to San Antonio.

Search flight deals

Frequently asked questions about flying from Belfast to San Antonio

How far is Belfast to San Antonio by plane?
Belfast and San Antonio are 4681.2 mi apart from one another. A reasonable flight in good conditions will take 18h 18m.
When did momondo last update prices for flights from Belfast to San Antonio Airport?
Prices for flights from Belfast to San Antonio Airport are refreshed on a daily basis.
How old do you have to be to fly from Belfast to San Antonio Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Belfast to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Belfast to San Antonio

How do I get Price Alerts for flights from Belfast to San Antonio?
Search flight deals from Belfast to San Antonio. While viewing offers you’ll have the option to create a Price Alert.
How can I save money on flights from Belfast to San Antonio with momondo?
Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

New Braunfels

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Belfast to San Antonio. momondo saves you time and could save you money on your trip.

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 helps you find the best flight between Belfast and San Antonio 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 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.