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Cheap Flights from Tucson (TUS) to London (LHR)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Tucson International to London Heathrow flight deals

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

      Book the best London Heathrow fare with no extra fees

      Flight deals from Tucson International to London Heathrow

      Looking for a cheap last-minute deal or the best return flight from Tucson International Airport to London Heathrow Airport? If you want to travel next month, return fares start from $1,257. Find the lowest prices on one-way and return tickets right here.
      London.$1,039 per passenger.Departing Sun, 20 Sep, returning Tue, 6 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Tucson International on Sun, 20 Sep, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Tue, 6 Oct, arriving in Tucson International.Price includes taxes and charges.From $1,039, select.
      London.$1,216 per passenger.Departing Wed, 2 Dec, returning Wed, 9 Dec.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Tucson International on Wed, 2 Dec, arriving in London Heathrow.Inbound indirect flight with Iberia, departs from London Heathrow on Wed, 9 Dec, arriving in Tucson International.Price includes taxes and charges.From $1,216, select.
      London.$1,217 per passenger.Departing Tue, 9 Feb, returning Thu, 18 Feb.Return flight with KLM.Outbound indirect flight with KLM, departs from Tucson International on Tue, 9 Feb, arriving in London Heathrow.Inbound indirect flight with KLM, departs from London Heathrow on Thu, 18 Feb, arriving in Tucson International.Price includes taxes and charges.From $1,217, select.
      London.$1,218 per passenger.Departing Wed, 6 Jan, returning Wed, 13 Jan.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Tucson International on Wed, 6 Jan, arriving in London Heathrow.Inbound indirect flight with Iberia, departs from London Heathrow on Wed, 13 Jan, arriving in Tucson International.Price includes taxes and charges.From $1,218, select.
      London.$1,219 per passenger.Departing Mon, 11 Jan, returning Thu, 25 Feb.Return flight with Iberia.Outbound indirect flight with Iberia, departs from Tucson International on Mon, 11 Jan, arriving in London Heathrow.Inbound indirect flight with Iberia, departs from London Heathrow on Thu, 25 Feb, arriving in Tucson International.Price includes taxes and charges.From $1,219, select.
      London.$1,228 per passenger.Departing Wed, 21 Apr, returning Fri, 30 Apr.Return flight with KLM.Outbound indirect flight with KLM, departs from Tucson International on Wed, 21 Apr, arriving in London Heathrow.Inbound indirect flight with KLM, departs from London Heathrow on Fri, 30 Apr, arriving in Tucson International.Price includes taxes and charges.From $1,228, select.
      London.$1,254 per passenger.Departing Wed, 21 Oct, returning Wed, 4 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Tucson International on Wed, 21 Oct, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Wed, 4 Nov, arriving in Tucson International.Price includes taxes and charges.From $1,254, select.
      London.$1,256 per passenger.Departing Wed, 4 Nov, returning Tue, 10 Nov.Return flight with Delta.Outbound indirect flight with Delta, departs from Tucson International on Wed, 4 Nov, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Tue, 10 Nov, arriving in Tucson International.Price includes taxes and charges.From $1,256, select.
      London.$1,257 per passenger.Departing Sun, 4 Oct, returning Tue, 20 Oct.Return flight with Delta.Outbound indirect flight with Delta, departs from Tucson International on Sun, 4 Oct, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Tue, 20 Oct, arriving in Tucson International.Price includes taxes and charges.From $1,257, select.
      London.$1,307 per passenger.Departing Wed, 16 Dec, returning Fri, 15 Jan.Return flight with Delta.Outbound indirect flight with Delta, departs from Tucson International on Wed, 16 Dec, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Fri, 15 Jan, arriving in Tucson International.Price includes taxes and charges.From $1,307, select.
      London.$1,471 per passenger.Departing Tue, 15 Sep, returning Tue, 22 Sep.Return flight with Air France and KLM.Outbound indirect flight with Air France, departs from Tucson International on Tue, 15 Sep, arriving in London Heathrow.Inbound indirect flight with KLM, departs from London Heathrow on Tue, 22 Sep, arriving in Tucson International.Price includes taxes and charges.From $1,471, select.
      London.$1,658 per passenger.Departing Tue, 8 Jun, returning Tue, 27 Jul.Return flight with United.Outbound indirect flight with United, departs from Tucson International on Tue, 8 Jun, arriving in London Heathrow.Inbound indirect flight with United, departs from London Heathrow on Tue, 27 Jul, arriving in Tucson International.Price includes taxes and charges.From $1,658, select.
      London.$7,595 per passenger.Departing Sat, 1 May, returning Sun, 2 May.Return flight with Delta.Outbound indirect flight with Delta, departs from Tucson International on Sat, 1 May, arriving in London Heathrow.Inbound indirect flight with Delta, departs from London Heathrow on Sun, 2 May, arriving in Tucson International.Price includes taxes and charges.From $7,595, select.

      Find the cheapest month to fly from Tucson International to London Heathrow

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Tucson International to London Heathrow flights are currently cheapest in December.
      Sep
      from $1,471
      Oct
      from $1,257
      Nov
      from $1,256
      Dec
      from $1,216
      Jan
      from $1,218
      Feb
      from $1,217
      Mar
      Find prices
      Apr
      from $1,228
      May
      from $7,595
      Jun
      Find prices
      Jul
      Find prices
      Aug
      Find prices

      Tucson International to London Heathrow: Alternative routes

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

      London City

      12km from central London
      Closest
      from $1,122
      Search flights

      London Heathrow

      23km from central London
      Cheapest
      from $1,039
      Search flights

      London Gatwick

      40km from central London
      from $1,257
      Search flights

      London Luton

      45km from central London
      Search flights

      London Stansted

      49km from central London
      Search flights

      London Southend

      57km from central London
      Search flights

      Tucson to London: Flight information

      The things to know before you go.
      Cheapest flight found$1,039
      Cheapest month to flySeptember

      Finding cheap flights from Tucson International to London Heathrow: Frequently asked questions

      The best price we found for a return flight from Tucson International to London Heathrow is $1,039. 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 Tucson International to London Heathrow. But we found flights with one or more stops from $1,039.
      As of September 2026, there are no flights flying from Tucson International to London Heathrow.
      The cheapest month to fly from Tucson International to London Heathrow is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Tucson International Airport to London Heathrow Airport on Sunday, 20 September 2026.
      No airlines currently offer direct flights between Tucson International Airport and London Heathrow 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 Heathrow 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, Delta offers the cheapest flight tickets to London Heathrow.

      Travelling from Tucson International Airport (TUS) to London Heathrow Airport (LHR): what you need to know

      • The timezone in London is UTC+0, which is seven hours ahead of Tucson.

      • Give yourself plenty of time to make your TUS to LHR flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

      • Be prepared for bigger queues in popular months such as April. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a smart move.

      How to find the cheapest flights from Tucson International Airport (TUS) to London Heathrow Airport (LHR)

      • $458 is the best price for a one-way Tucson International Airport to London Heathrow Airport flight. A return flight starts from $1,039. These fares may change based on demand and availability.

      • To get your hands on cheap tickets from TUS to LHR, book early. Airlines generally offer the most competitive fares when flights are first made available.

      • The 'Whole month' search function shows you the cheapest flights from Tucson International Airport to London Heathrow Airport throughout the entire month. It's a good way to find a bargain if your trip dates aren't set in stone.

      • Spend less time searching for cheap flights from TUS to LHR by creating a Price Alert. We'll send you an email or notification on the app when a new discounted fare appears.

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

      Handy information about Tucson International Airport (TUS)

      • TUS's address is 7005 South Plumer Ave..

      • Tucson International Airport has an excellent on-time record, making delays less likely. Departures from TUS land on schedule 84% of the time.

      • Tucson International Airport is about 11 kilometres from central Tucson. If you're catching a taxi, ride-sharing or driving from the centre, it'll take you 15 minutes or so to arrive, depending on the traffic.

      • Planning to take public transport? Expect a journey time of around 40 minutes.

      • Get your travels off to a hassle-free start by staying near TUS. Whether you have an early flight from Tucson International Airport to London Heathrow Airport or just don't like being rushed, these stays are the answer:

      Arriving at London Heathrow Airport (LHR)

      Getting from London Heathrow Airport (LHR) to central London

      • From London Heathrow Airport, London is approximately 24 kilometres away. It takes around 45 minutes to reach the centre driving.

      • It takes roughly 25 minutes to get there by public transport.

      When to fly to London Heathrow Airport (LHR)

      • It's time to choose your dates for your flight from Tucson International Airport to London Heathrow Airport. July is the busiest month to head to London. If you want a quieter vibe, go in March.

      • Book your flight from Tucson International Airport to London Heathrow Airport for July if you want to go to London during its warmest month. You can expect temperatures of between 11ºC (52ºF) and 26ºC (79ºF).

      • Search for cheap tickets from TUS to LHR in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 0ºC (32ºF) and 9ºC (48ºF) on average.

      Explore more of the United Kingdom

      • You've done London, now it's time to explore other corners of the United Kingdom. Travel around 257 kilometres north-west to Manchester to check off its top sights. From Manchester United Museum & Stadium Tour to The Homes of Football and Museum of Science and Industry, you've got a jam-packed schedule ahead.

      • If you're eager to discover another well-known destination in the United Kingdom, consider Birmingham, roughly 161 kilometres north-west of London. Birmingham Museum & Art Gallery, Birmingham Hippodrome Theatre and Bournville Experience are key highlights.

      Plan smart, explore more

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      Plan the rest of your trip from Tucson to London

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