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Cheap Flights from San Antonio (SAT) to London (LGW)

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      Travellers and cabin class, 1 Adult, Economy

      Compare San Antonio International to London Gatwick flight deals

      Find the cheapest month or even day of the year to fly to London Gatwick

      Book the best London Gatwick fare with no extra fees

      Flight deals from San Antonio International to London Gatwick

      Looking for a cheap last-minute deal or the best return flight from San Antonio International Airport to London Gatwick Airport? If you want to travel next month, return fares start from $1,389. Find the lowest prices on one-way and return tickets right here.
      London.$1,326 per passenger.Departing Wed, 21 Oct, returning Thu, 22 Oct.Return flight with Frontier Airlines and Norse Atlantic Airways (UK).Outbound indirect flight with Frontier Airlines, departs from San Antonio International on Wed, 21 Oct, arriving in London Gatwick.Inbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Thu, 22 Oct, arriving in San Antonio International.Price includes taxes and charges.From $1,326, select.
      London.$1,338 per passenger.Departing Sat, 31 Oct, returning Wed, 18 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Sat, 31 Oct, arriving in London Gatwick.Inbound indirect flight with Delta, departs from London Gatwick on Wed, 18 Nov, arriving in San Antonio International.Price includes taxes and charges.From $1,338, select.
      London.$1,389 per passenger.Departing Thu, 5 Nov, returning Thu, 12 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Thu, 5 Nov, arriving in London Gatwick.Inbound indirect flight with Delta, departs from London Gatwick on Thu, 12 Nov, arriving in San Antonio International.Price includes taxes and charges.From $1,389, select.
      London.$1,497 per passenger.Departing Mon, 12 Oct, returning Tue, 23 Mar.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Mon, 12 Oct, arriving in London Gatwick.Inbound indirect flight with Delta, departs from London Gatwick on Tue, 23 Mar, arriving in San Antonio International.Price includes taxes and charges.From $1,497, select.
      London.$1,529 per passenger.Departing Fri, 25 Dec, returning Sun, 17 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Fri, 25 Dec, arriving in London Gatwick.Inbound indirect flight with Delta, departs from London Gatwick on Sun, 17 Jan, arriving in San Antonio International.Price includes taxes and charges.From $1,529, select.
      London.$1,622 per passenger.Departing Wed, 23 Dec, returning Wed, 30 Dec.Return flight with Frontier Airlines and Norse Atlantic Airways (UK).Outbound indirect flight with Frontier Airlines, departs from San Antonio International on Wed, 23 Dec, arriving in London Gatwick.Inbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Wed, 30 Dec, arriving in San Antonio International.Price includes taxes and charges.From $1,622, select.
      London.$1,767 per passenger.Departing Mon, 14 Jun, returning Sat, 19 Jun.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Mon, 14 Jun, arriving in London Gatwick.Inbound indirect flight with Delta, departs from London Gatwick on Sat, 19 Jun, arriving in San Antonio International.Price includes taxes and charges.From $1,767, select.
      London.$1,784 per passenger.Departing Fri, 23 Apr, returning Sun, 25 Apr.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Fri, 23 Apr, arriving in London Gatwick.Inbound indirect flight with Delta, departs from London Gatwick on Sun, 25 Apr, arriving in San Antonio International.Price includes taxes and charges.From $1,784, select.
      London.$1,852 per passenger.Departing Thu, 20 May, returning Sat, 29 May.Return flight with Condor.Outbound indirect flight with Condor, departs from San Antonio International on Thu, 20 May, arriving in London Gatwick.Inbound indirect flight with Condor, departs from London Gatwick on Sat, 29 May, arriving in San Antonio International.Price includes taxes and charges.From $1,852, select.
      London.$1,874 per passenger.Departing Mon, 5 Jul, returning Sat, 10 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Mon, 5 Jul, arriving in London Gatwick.Inbound indirect flight with Delta, departs from London Gatwick on Sat, 10 Jul, arriving in San Antonio International.Price includes taxes and charges.From $1,874, select.
      London.$1,928 per passenger.Departing Wed, 30 Jun, returning Thu, 8 Jul.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Wed, 30 Jun, arriving in London Gatwick.Inbound indirect flight with Delta, departs from London Gatwick on Thu, 8 Jul, arriving in San Antonio International.Price includes taxes and charges.From $1,928, select.
      London.$1,958 per passenger.Departing Mon, 31 May, returning Mon, 14 Jun.Return flight with Condor.Outbound indirect flight with Condor, departs from San Antonio International on Mon, 31 May, arriving in London Gatwick.Inbound indirect flight with Condor, departs from London Gatwick on Mon, 14 Jun, arriving in San Antonio International.Price includes taxes and charges.From $1,958, select.
      London.$2,136 per passenger.Departing Mon, 25 Jan, returning Mon, 8 Feb.Return flight with Delta.Outbound indirect flight with Delta, departs from San Antonio International on Mon, 25 Jan, arriving in London Gatwick.Inbound indirect flight with Delta, departs from London Gatwick on Mon, 8 Feb, arriving in San Antonio International.Price includes taxes and charges.From $2,136, select.
      London.$5,129 per passenger.Departing Mon, 2 Nov, returning Mon, 7 Dec.Return flight with Iberia.Outbound indirect flight with Iberia, departs from San Antonio International on Mon, 2 Nov, arriving in London Gatwick.Inbound indirect flight with Iberia, departs from London Gatwick on Mon, 7 Dec, arriving in San Antonio International.Price includes taxes and charges.From $5,129, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from San Antonio International to London Gatwick found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from San Antonio International to London Gatwick

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Antonio International to London Gatwick flights are currently cheapest in October.
      Oct
      from $1,326
      Nov
      from $1,389
      Dec
      from $1,622
      Jan
      Find prices
      Feb
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      Mar
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      Apr
      from $1,784
      May
      from $1,852
      Jun
      from $1,767
      Jul
      from $1,874
      Aug
      Find prices
      Sep
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      San Antonio International to London Gatwick: Alternative routes

      Compare routes from San Antonio International to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Gatwick.

      London City

      12km from central London
      Closest
      from $1,342
      Search flights

      London Heathrow

      23km from central London
      Cheapest
      from $1,164
      Search flights

      London Gatwick

      40km from central London
      from $1,326
      Search flights

      London Luton

      45km from central London
      from $2,125
      Search flights

      London Stansted

      49km from central London
      from $2,228
      Search flights

      London Southend

      57km from central London
      Search flights

      San Antonio to London: Flight information

      The things to know before you go.
      Cheapest flight found$1,326
      Cheapest month to flyOctober

      Finding cheap flights from San Antonio International to London Gatwick: Frequently asked questions

      The best price we found for a return flight from San Antonio International to London Gatwick is $1,326. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from San Antonio International to London Gatwick. But we found flights with one or more stops from $1,326.
      As of October 2026, there are no flights flying from San Antonio International to London Gatwick.
      The cheapest month to fly from San Antonio International to London Gatwick is usually October.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Antonio International Airport to London Gatwick Airport on Wednesday, 21 October 2026.
      No airlines currently offer direct flights between San Antonio International Airport and London Gatwick Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Gatwick but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Frontier Airlines offers the cheapest flight tickets to London Gatwick.

      Travelling from San Antonio International Airport (SAT) to London Gatwick Airport (LGW): what you need to know

      • The timezone in London is UTC+0, which is six hours ahead of San Antonio.

      • Arrive at the airport on time so you don't miss your SAT to LGW flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

      • You can expect longer lines in popular months such as July. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a smart move.

      • Think about adding a stopover when booking your ticket from San Antonio International Airport to London Gatwick Airport. Simply deselect 'Direct flights only' to break up your trip, or maybe even explore a new city along the way. Here are some options between SAT and LGW:

        • New York John F. Kennedy Airport

        • Orlando International Airport

        • Tampa International Airport

      How to find the cheapest flights from San Antonio International Airport (SAT) to London Gatwick Airport (LGW)

      • The lowest price we've seen for a one-way San Antonio International Airport to London Gatwick Airport flight is $475. A return fare right now is $1,326. Depending on the availability when you book, these fares can change.

      • To get your hands on cheap tickets from SAT to LGW, book in advance. Airlines generally offer their best fares when flights are first made available.

      • If you're flexible with your trip dates, use the 'Whole month' search tool. It'll give you the lowest price in every month when looking for a flight from San Antonio International Airport to London Gatwick Airport.

      • Save time searching for cheap flights from SAT to LGW by creating a Price Alert. You'll get an email or notification on the app when a new discounted fare appears.

      • Tailor your flights with filters. Select your arrival and departure times, airlines and total journey duration. You can also sort your results by 'Fastest,' 'Best' or 'Cheapest' flights from San Antonio International Airport to London Gatwick Airport.

      Handy information about San Antonio International Airport (SAT)

      • You'll find SAT at 9800 Airport Boulevard.

      • San Antonio International Airport has a strong on-time performance, so flight disruptions are less likely. Departures from SAT land at their destination as scheduled 82% of the time.

      • San Antonio International Airport is around 14 kilometres from central San Antonio. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.

      • You can expect a trip time of about 50 minutes when using public transport.

      • Get your travels off to a hassle-free start by staying near SAT. Whether you're boarding an early flight from San Antonio International Airport to London Gatwick Airport or want to avoid feeling rushed, these hotels are the answer:

      Arriving at London Gatwick Airport (LGW)

      • If you're coming in on a late San Antonio International Airport to London Gatwick Airport flight, few things top the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and relaxing shortly after at one of these options near LGW:

      • Fast-track your adventure by picking up a London Gatwick Airport rental car. Grab your wheels from Green Motion, U-Save or Drivalia and explore beyond London's usual tourist stops.

      • Lock in the best deal by reserving your vehicle from London Gatwick Airport about three weeks before your travel date.

      When to fly to London Gatwick Airport (LGW)

      • The quietest month for a flight from San Antonio International Airport to London Gatwick Airport is March, while August is the busiest. Choose the ideal time to visit London based on whether you prefer a faster pace or a more relaxed vibe.

      • When reserving your flight from San Antonio International Airport to London Gatwick Airport, think about the type of weather you like. July is the warmest month in London, with the temperature ranging from 11ºC (52ºF) to 26ºC (79ºF).

      • Look for cheap tickets from SAT to LGW in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

      Explore more of the United Kingdom

      • Manchester is just one of the many cities in the United Kingdom waiting to be discovered after you've seen London. Around 257 kilometres away to the north-west, popular attractions include Manchester United Museum & Stadium Tour, The Homes of Football and Museum of Science and Industry.

      • If you're interested in discovering another corner of the United Kingdom, consider Birmingham, about 161 kilometres north-west of London. Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience are among its highlights.

      Plan smart, explore more

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      Plan the rest of your trip from San Antonio to London

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.