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Cheap flights from Belfast to San Antonio from £668

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
BHD — SAT
5 Jul — 12 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Belfast to San Antonio

Enter your travel dates to find the best prices.

One-way flights from Belfast to San Antonio
Search for one-way flight options from Belfast to San Antonio. Find affordable one-way fares based on user searches. Data last updated 5 June 2026.

Tue 15/906:30
BHD
-
SAT
2 stops21h 29m
British Airways
Deal found 1/6£668
Tue 15/920:25
BHD
-
SAT
2 stops27h 23m
Multiple Airlines
Deal found 5/6£677
Tue 15/920:25
BHD
-
SAT
3 stops51h 19m
Aer Lingus
Deal found 1/6£756

Cheapflights Fare Finder

 
Customise 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, Cheapflights users made 858,174 searches. Data last updated 5 June 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 one-way
Fastest single journey

BelfastSan Antonio

BHD - SAT

BHDSAT

Belfast City

Tue 15/9

06:30-21:59

2 stops21h 29m

£668

BelfastSan Antonio

BHD - SAT

BHDSAT

Belfast City

Tue 15/9

20:25-17:44

3 stops51h 19m

£756

Flights are sorted by cheapest return flights first.

Deals found on 1/6

Sorted by cheapest first

Best time to book a flight from Belfast to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Belfast with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Belfast to San Antonio
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Belfast to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Antonio from Belfast?

    Most people fly into San Antonio (SAT) if they book a flight to San Antonio from Belfast. On average, San Antonio has 0 inbound flights from Belfast per day from 0 airlines. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

  • Can I find deals for flights from Belfast to San Antonio that include hotel bookings?

    Yes. In addition to deals on Belfast to San Antonio flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Belfast to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Belfast to San Antonio.

  • Can I find deals for business class flights from Belfast to San Antonio?

    Yes. Cheapflights offers flight deals from Belfast to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Alternative routes for Belfast to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Belfast to San Antonio?

When you search for this flight from Belfast to San Antonio, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Belfast to San Antonio?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Belfast to San Antonio for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Belfast to San Antonio with no change fees?

Certainly. Search results for flights to San Antonio from Belfast shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Belfast to San Antonio become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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