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Cheap flights from Tucson to London Heathrow Airport from £346

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 20/9. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
8 Sep — 15 Sep1
1 adult

Cheapflights Tip: The best prices from Tucson to London Heathrow are usually found in February or October, booked 6 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap 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 3 September 2025.

Round-trip from

£435

One-way from

£346

Popular in

June

Cheapest in

February

Average price

£591
Delta
  • Delta
  • 23/9-2/10
  • 3 total stops
  • 39h 26m total
  • Tucson to London
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United Airlines
  • United Airlines
  • 20/9
  • 2 total stops
  • 29h 50m total
  • Tucson to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£112 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Find flight deals from Tucson to Heathrow

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 3 September 2025.

Tue 23/911:55TUS - LHR
1 stop21h 20mDelta
Thu 2/1011:30LHR - TUS
2 stops18h 06mDelta
Deal found 2/9£435
Wed 8/1012:02TUS - LHR
1 stop13h 58mDelta
Thu 16/1006:30LHR - TUS
2 stops22h 05mDelta
Deal found 3/9£435
Tue 23/911:15TUS - LHR
1 stop14h 35mKLM
Thu 2/1013:05LHR - TUS
1 stop16h 31mKLM
Deal found 2/9£440
Fri 17/1012:02TUS - LHR
1 stop13h 58mDelta
Fri 24/1006:30LHR - TUS
2 stops22h 05mDelta
Deal found 2/9£473
Tue 7/1016:30TUS - LHR
1 stop14h 05mVirgin Atlantic
Sun 12/1009:55LHR - TUS
1 stop18h 40mVirgin Atlantic
Deal found 2/9£477
Tue 23/906:00TUS - LHR
2 stops19h 35mAir Canada
Thu 2/1017:40LHR - TUS
2 stops34h 45mAir Canada
Deal found 2/9£517
Tue 11/1112:41TUS - LHR
2 stops21h 59mScandinavian Airlines
Fri 14/1106:40LHR - TUS
2 stops22h 16mScandinavian Airlines
Deal found 1/9£527
Sat 8/1113:02TUS - LHR
2 stops22h 28mScandinavian Airlines
Sat 15/1117:00LHR - TUS
2 stops35h 56mScandinavian Airlines
Deal found 1/9£536
Tue 21/1006:00TUS - LHR
2 stops19h 35mAir Canada
Tue 28/1014:30LHR - TUS
2 stops31h 52mAir Canada
Deal found 1/9£542

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 3 September 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

Tue 23/9

11:55-17:15

1 stop21h 20m

London Heathrow

Thu 2/10

11:30-21:36

2 stops18h 06m

£435

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 8/10

12:02-10:00

1 stop13h 58m

London Heathrow

Thu 16/10

06:30-20:35

2 stops22h 05m

£435

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 23/9

11:15-09:50

1 stop14h 35m

London Heathrow

Thu 2/10

13:05-21:36

1 stop16h 31m

£440

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 17/10

12:02-10:00

1 stop13h 58m

London Heathrow

Fri 24/10

06:30-20:35

2 stops22h 05m

£473

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 7/10

16:30-14:35

1 stop14h 05m

London Heathrow

Sun 12/10

09:55-20:35

1 stop18h 40m

£477

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 17/10

07:00-10:00

1 stop19h 00m

London Heathrow

Fri 24/10

09:55-20:35

1 stop18h 40m

£477

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 23/9

06:00-09:35

2 stops19h 35m

London Heathrow

Thu 2/10

17:40-20:25

2 stops34h 45m

£517

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 11/11

12:41-17:40

2 stops21h 59m

London Heathrow

Fri 14/11

06:40-21:56

2 stops22h 16m

£527

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 20/9

16:30-06:20

2 stops29h 50m

£346

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 9/10

07:15-10:25

1 stop19h 10m

£386

Flights are sorted by cheapest return flights first.

Deals found on 3/9

Showing 1-10 of 11 results
1
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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 29 August 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, January is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of £112). Flying from Tucson to London Heathrow Airport in August is currently the most expensive (average of £164). 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 14h 35m. Fly via Delta or KLM to get the fastest option. Airlines will cover a distance of 5291 mi. This flight may include one or multiple stops.

  • 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, January is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of £112). Flying from Tucson to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Hounslow
Gatwick
Slough
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Ipswich
Watford
Folkestone
Chichester
Winchester
Swindon
Dartford
Eastbourne

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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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