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Cheap flights from Tucson to London Heathrow Airport from £256

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Tucson to London Heathrow are usually found in November or February, booked 7 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Tucson to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Tucson to Heathrow
Explore the most affordable flight options available from Tucson to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Sat 20/1217:47TUS - LHR
2 stops31h 43mMultiple Airlines
Fri 9/112:05LHR - TUS
1 stop16h 48mMultiple Airlines
Deal found 11/12£884
Thu 18/1217:45TUS - LHR
2 stops30h 45mUnited Airlines
Thu 25/1206:35LHR - TUS
2 stops22h 23mUnited Airlines
Deal found 10/12£955
Thu 18/1206:00TUS - LHR
1 stop22h 40mKLM
Thu 25/1212:30LHR - TUS
1 stop16h 50mKLM
Deal found 10/12£1,155
Sat 20/1210:40TUS - LHR
1 stop16h 00mLufthansa
Fri 9/112:05LHR - TUS
1 stop16h 48mLufthansa
Deal found 11/12£1,156
Sat 20/1206:40TUS - LHR
1 stop20h 00mUnited Airlines
Sat 27/1212:05LHR - TUS
1 stop17h 03mUnited Airlines
Deal found 10/12£1,193
Thu 25/1210:40TUS - LHR
1 stop16h 00mMultiple Airlines
Sun 4/114:30LHR - TUS
2 stops52h 12mMultiple Airlines
Deal found 11/12£1,196
Thu 25/1217:45TUS - LHR
2 stops35h 05mAir Canada
Sun 4/114:30LHR - TUS
2 stops52h 12mAir Canada
Deal found 11/12£1,200
Wed 24/1207:02TUS - LHR
1 stop21h 58mUnited Airlines
Sat 27/1206:35LHR - TUS
2 stops22h 23mUnited Airlines
Deal found 10/12£1,314

Find flight deals from Tucson to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Tucson (TUS) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 December 2025.

Round-trip from

£423

One-way from

£256

Popular in

June

Cheapest in

November

Average price

£755
Lufthansa
  • Lufthansa
  • 15/1-21/1
  • 3 total stops
  • 32h 22m total
  • Tucson to London
Search Deals
Scandinavian Airlines
  • Scandinavian Airlines
  • 15/1
  • 2 total stops
  • 26h 35m total
  • Tucson to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£139 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Tucson to Heathrow 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 12 December 2025.
Use the filters below to find and compare flights from Tucson to London Heathrow Airport that are best for you.

Fly from

Tucson

Fly to

Heathrow

Route

Depart

Return

Price

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 19/2

14:42-09:40

1 stop11h 58m

London Heathrow

Thu 26/2

06:35-21:49

2 stops22h 14m

£445

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 24/1

13:25-10:15

1 stop13h 50m

London Heathrow

Sat 31/1

10:00-21:58

1 stop18h 58m

£453

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 14/2

07:02-07:25

1 stop17h 23m

London Heathrow

Mon 23/2

07:30-21:31

2 stops21h 01m

£453

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 17/2

08:00-06:50

1 stop15h 50m

London Heathrow

Wed 25/2

19:40-09:47

2 stops21h 07m

£469

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 19/2

12:04-18:30

2 stops23h 26m

London Heathrow

Thu 26/2

10:20-22:05

2 stops18h 45m

£471

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 25/1

07:00-08:45

2 stops18h 45m

London Heathrow

Sun 1/2

06:30-23:01

2 stops23h 31m

£473

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 14/2

07:00-09:05

2 stops19h 05m

London Heathrow

Mon 23/2

06:30-23:01

2 stops23h 31m

£473

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 15/1

12:05-21:40

2 stops26h 35m

£256

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 15/1

16:29-12:50

3 stops37h 21m

£268

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 15/1

13:40-12:00

1 stop15h 20m

£285

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 15 results
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Best time to book a flight from Tucson to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Tucson 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 Tucson to London Heathrow Airport

How far ahead should I book a flight from Tucson to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Tucson to Heathrow. Price data was last updated on 5 December 2025.

The best time to book flights from Tucson to London Heathrow Airport is 6 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Tucson to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of £223). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £599). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Tucson to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Tucson to Heathrow. 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 from for flights from Tucson to London Heathrow?

    Most people fly from Tucson (TUS) if they book a flight from Tucson to London Heathrow. On average, Tucson has 0 outbound flights to London Heathrow per day from 0 airlines. Tucson is conveniently located just 7.5 mi from Tucson’s city center.

  • How long is the flight from Tucson to London Heathrow Airport?

    There are many flights that can get you from Tucson to London Heathrow Airport in 11h 58m. Fly via Lufthansa to get the fastest option. Airlines will cover a distance of 5291 mi.

  • Can I find deals for flights from Tucson to Heathrow that include hotel bookings?

    Yes. In addition to deals on Tucson to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Tucson to Heathrow?

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

  • Can I find deals for business class flights from Tucson to Heathrow?

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

  • What is the cheapest month to book a flight from Tucson to London Heathrow Airport?

    Currently, February is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of £223). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £599). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Northampton
Hounslow
Luton
Gatwick
Wembley
Ilford
Brentford
Colchester
Watford
Hayes
Crawley
Winchester
Swindon
Deal
Bedford
Romford
Chichester

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How does Cheapflights help users find flights from Tucson to Heathrow?

When you search for this flight from Tucson to Heathrow, 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 Tucson to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Tucson by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Tucson to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Tucson to Heathrow flexibly with Cheapflights today.

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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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