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Cheap flights from Tucson to London Heathrow Airport from £291

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
20 Mar — 27 Mar1
1 adult
1 adult, Economy, 0 bags

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 18 February 2026.

Wed 22/406:30
TUS
-
LHR
2 stops26h 10m
Lufthansa
Tue 28/407:25
LHR
-
TUS
2 stops17h 49m
Lufthansa
Deal found 17/2£469
Tue 31/312:40
TUS
-
LHR
1 stop14h 40m
KLM
Tue 7/406:30
LHR
-
TUS
2 stops17h 54m
KLM
Deal found 14/2£471
Mon 16/313:33
TUS
-
LHR
1 stop13h 07m
United Airlines
Mon 23/313:25
LHR
-
TUS
2 stops39h 34m
United Airlines
Deal found 16/2£472
Thu 19/306:30
TUS
-
LHR
1 stop20h 45m
United Airlines
Tue 24/313:25
LHR
-
TUS
2 stops39h 34m
United Airlines
Deal found 13/2£473
Tue 31/306:00
TUS
-
LHR
2 stops20h 00m
Multiple Airlines
Tue 7/407:25
LHR
-
TUS
2 stops20h 53m
Multiple Airlines
Deal found 14/2£474
Tue 21/412:28
TUS
-
LHR
1 stop14h 02m
Iberia
Wed 29/411:30
LHR
-
TUS
2 stops19h 25m
Iberia
Deal found 15/2£474
Tue 31/306:25
TUS
-
LHR
2 stops22h 10m
Virgin Atlantic
Tue 7/420:55
LHR
-
TUS
2 stops32h 46m
Virgin Atlantic
Deal found 14/2£476
Wed 22/406:00
TUS
-
LHR
1 stop17h 40m
British Airways
Tue 28/406:15
LHR
-
TUS
2 stops25h 44m
British Airways
Deal found 16/2£477
Wed 15/406:00
TUS
-
LHR
1 stop19h 40m
United Airlines
Tue 28/407:25
LHR
-
TUS
2 stops17h 49m
United Airlines
Deal found 16/2£478
Wed 22/407:15
TUS
-
LHR
2 stops15h 15m
Multiple Airlines
Tue 28/407:25
LHR
-
TUS
2 stops17h 49m
Multiple Airlines
Deal found 15/2£480
Wed 15/411:15
TUS
-
LHR
2 stops17h 50m
Delta
Wed 29/406:30
LHR
-
TUS
2 stops23h 01m
Delta
Deal found 14/2£481

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 18 February 2026.

Round-trip from

£469

One-way from

£291

Popular in

June

Cheapest in

January

Average price

£534
Lufthansa
  • Lufthansa
  • 22/4-28/4
  • 4 total stops
  • 47h 33m total
  • Tucson to London
Search Deals
United Airlines
  • United Airlines
  • 8/4
  • 1 total stop
  • 16h 02m total
  • Tucson to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£131 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 18 February 2026.
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 19/3

06:30-10:15

1 stop20h 45m

London Heathrow

Tue 24/3

13:25-21:59

2 stops39h 34m

£473

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 31/3

06:00-10:00

2 stops20h 00m

London Heathrow

Tue 7/4

07:25-20:18

2 stops20h 53m

£474

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 21/4

12:28-10:30

1 stop14h 02m

London Heathrow

Wed 29/4

11:30-22:55

2 stops19h 25m

£474

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 21/4

07:15-08:35

2 stops17h 20m

London Heathrow

Wed 29/4

07:25-17:14

2 stops17h 49m

£477

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 1/4

13:30-15:35

1 stop18h 05m

London Heathrow

Wed 8/4

06:30-15:57

2 stops17h 27m

£478

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 14/4

08:50-07:25

1 stop14h 35m

London Heathrow

Wed 29/4

06:55-17:14

2 stops18h 19m

£478

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 14/4

07:30-06:45

1 stop15h 15m

London Heathrow

Tue 28/4

06:55-17:14

2 stops18h 19m

£478

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 31/3

16:25-12:20

1 stop11h 55m

London Heathrow

Tue 7/4

07:25-08:57

2 stops33h 32m

£478

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 19/4

07:15-12:20

1 stop21h 05m

London Heathrow

Tue 28/4

07:25-17:14

2 stops17h 49m

£478

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 16/3

06:03-07:25

1 stop18h 22m

London Heathrow

Mon 23/3

10:05-22:56

1 stop19h 51m

£487

Flights are sorted by cheapest return flights first.

Deals found on 17/2

Showing 1-10 of 20 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 13 February 2026.

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 £220). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £590). 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.

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 02m. Fly via United Airlines or Iberia 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, February is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of £220). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £590). 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
Luton
Wembley
Northampton
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
Guildford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Ipswich
Swindon

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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.

Can Cheapflights notify me if prices for flights from Tucson to Heathrow 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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