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Cheap flights from Tucson to London Heathrow Airport from £243

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
5 Mar — 12 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 3 February 2026.

Wed 22/409:38
TUS
-
LHR
2 stops22h 02m
Lufthansa
Tue 28/407:25
LHR
-
TUS
2 stops20h 53m
Lufthansa
Deal found 3/2£458
Thu 5/306:58
TUS
-
LHR
1 stop19h 42m
United Airlines
Wed 11/306:35
LHR
-
TUS
2 stops21h 14m
United Airlines
Deal found 2/2£464
Wed 8/413:29
TUS
-
LHR
2 stops21h 11m
Lufthansa
Wed 15/407:30
LHR
-
TUS
2 stops20h 48m
Lufthansa
Deal found 3/2£473
Wed 8/407:10
TUS
-
LHR
1 stop18h 50m
Virgin Atlantic
Wed 15/408:40
LHR
-
TUS
2 stops19h 53m
Virgin Atlantic
Deal found 3/2£475
Wed 22/417:37
TUS
-
LHR
1 stop13h 23m
Virgin Atlantic
Tue 28/406:30
LHR
-
TUS
2 stops18h 26m
Virgin Atlantic
Deal found 1/2£476
Wed 29/406:05
TUS
-
LHR
2 stops20h 15m
Delta
Wed 6/506:30
LHR
-
TUS
2 stops22h 03m
Delta
Deal found 3/2£479
Wed 22/409:38
TUS
-
LHR
2 stops22h 02m
Lufthansa
Mon 27/418:30
LHR
-
TUS
2 stops34h 52m
Lufthansa
Deal found 3/2£479
Mon 20/406:00
TUS
-
LHR
2 stops20h 00m
Multiple Airlines
Mon 27/417:50
LHR
-
TUS
2 stops34h 28m
Multiple Airlines
Deal found 1/2£480
Tue 21/413:29
TUS
-
LHR
1 stop12h 11m
United Airlines
Mon 27/409:00
LHR
-
TUS
2 stops55h 59m
United Airlines
Deal found 1/2£484
Thu 19/311:46
TUS
-
LHR
1 stop22h 04m
Virgin Atlantic
Thu 26/311:20
LHR
-
TUS
1 stop16h 45m
Virgin Atlantic
Deal found 2/2£485
Tue 21/409:38
TUS
-
LHR
2 stops23h 02m
Lufthansa
Mon 27/419:30
LHR
-
TUS
2 stops33h 52m
Lufthansa
Deal found 3/2£487

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 3 February 2026.

Round-trip from

£458

One-way from

£243

Popular in

June

Cheapest in

November

Average price

£541
Lufthansa
  • Lufthansa
  • 22/4-28/4
  • 4 total stops
  • 42h 55m total
  • Tucson to London
Search Deals
Aer Lingus
  • Aer Lingus
  • 29/4
  • 2 total stops
  • 18h 05m total
  • Tucson to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£126 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£18 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 3 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

Wed 22/4

09:38-15:40

2 stops22h 02m

London Heathrow

Tue 28/4

07:25-20:18

2 stops20h 53m

£458

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 5/3

06:58-09:40

1 stop19h 42m

London Heathrow

Wed 11/3

06:35-20:49

2 stops21h 14m

£464

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 29/4

17:37-15:00

1 stop13h 23m

London Heathrow

Wed 6/5

06:30-16:56

2 stops18h 26m

£475

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 8/4

07:10-10:00

1 stop18h 50m

London Heathrow

Wed 15/4

08:40-20:33

2 stops19h 53m

£475

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 22/4

17:37-15:00

1 stop13h 23m

London Heathrow

Tue 28/4

06:30-16:56

2 stops18h 26m

£476

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 22/4

09:38-15:40

2 stops22h 02m

London Heathrow

Mon 27/4

18:30-21:22

2 stops34h 52m

£479

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 21/4

16:25-06:30

2 stops30h 05m

London Heathrow

Mon 27/4

16:25-20:18

2 stops35h 53m

£480

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 21/4

13:29-09:40

1 stop12h 11m

London Heathrow

Mon 27/4

09:00-08:59

2 stops55h 59m

£484

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 5/3

12:34-14:00

1 stop18h 26m

London Heathrow

Wed 11/3

08:20-19:56

1 stop18h 36m

£485

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 19/3

11:46-16:50

1 stop22h 04m

London Heathrow

Thu 26/3

11:20-21:05

1 stop16h 45m

£485

Flights are sorted by cheapest return flights first.

Deals found on 2/2

Showing 1-10 of 19 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 30 January 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 £218). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £586). 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 13h 23m. Fly via Lufthansa, United Airlines, or Delta 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 £218). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £586). 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
Northampton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Swindon
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames

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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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