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Cheap flights from Tucson to London Heathrow Airport from £248

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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

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 16 January 2026.

Round-trip from

£430

One-way from

£248

Popular in

June

Cheapest in

November

Average price

£621
Virgin Atlantic
  • Virgin Atlantic
  • 25/1-10/2
  • 2 total stops
  • 31h 20m total
  • Tucson to London
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Aer Lingus
  • Aer Lingus
  • 7/4
  • 2 total stops
  • 23h 55m total
  • Tucson to London
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Highest demand for flights based on searches. 22% potential increase in price (£138 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Find 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 16 January 2026.

Sun 25/116:12
TUS
-
LHR
1 stop12h 28m
Virgin Atlantic
Tue 10/210:45
LHR
-
TUS
1 stop18h 52m
Virgin Atlantic
Deal found 15/1£430
Sun 1/212:54
TUS
-
LHR
1 stop15h 46m
Iberia
Mon 9/220:50
LHR
-
TUS
2 stops33h 05m
Iberia
Deal found 14/1£431
Sun 1/307:14
TUS
-
LHR
1 stop26h 36m
Virgin Atlantic
Sun 8/306:30
LHR
-
TUS
2 stops22h 11m
Virgin Atlantic
Deal found 15/1£439
Sun 25/116:12
TUS
-
LHR
1 stop12h 28m
Delta
Tue 10/209:00
LHR
-
TUS
2 stops20h 07m
Delta
Deal found 15/1£442
Sun 25/113:42
TUS
-
LHR
1 stop12h 18m
KLM
Tue 10/220:25
LHR
-
TUS
2 stops27h 50m
KLM
Deal found 15/1£443
Sun 25/112:58
TUS
-
LHR
1 stop16h 07m
Finnair
Tue 10/208:20
LHR
-
TUS
1 stop16h 53m
Finnair
Deal found 15/1£447
Mon 23/316:53
TUS
-
LHR
1 stop13h 22m
British Airways
Tue 14/419:25
LHR
-
TUS
2 stops31h 13m
British Airways
Deal found 14/1£449
Tue 20/107:00
TUS
-
LHR
1 stop17h 50m
KLM
Tue 27/120:25
LHR
-
TUS
2 stops27h 50m
KLM
Deal found 13/1£450
Thu 19/210:30
TUS
-
LHR
1 stop13h 20m
British Airways
Thu 26/207:30
LHR
-
TUS
2 stops20h 26m
British Airways
Deal found 14/1£450
Wed 11/212:54
TUS
-
LHR
1 stop16h 21m
British Airways
Wed 18/214:45
LHR
-
TUS
1 stop15h 22m
British Airways
Deal found 14/1£451
Wed 11/207:00
TUS
-
LHR
2 stops18h 45m
Delta
Wed 18/206:20
LHR
-
TUS
2 stops23h 10m
Delta
Deal found 14/1£452

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 16 January 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

Sun 25/1

16:12-07:50

1 stop32h 38m

London Heathrow

Tue 10/2

09:00-22:07

2 stops20h 07m

£442

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 25/1

12:58-12:05

1 stop16h 07m

London Heathrow

Tue 10/2

08:20-18:13

1 stop16h 53m

£447

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 25/1

13:42-09:00

1 stop12h 18m

London Heathrow

Tue 10/2

17:20-22:07

1 stop35h 47m

£447

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 11/2

07:00-06:25

1 stop16h 25m

London Heathrow

Wed 18/2

06:20-19:58

2 stops20h 38m

£449

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 10/3

06:25-07:50

1 stop18h 25m

London Heathrow

Wed 25/3

10:45-21:05

2 stops17h 20m

£457

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 22/3

15:24-11:40

1 stop13h 16m

London Heathrow

Tue 7/4

06:30-15:57

2 stops17h 27m

£461

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 25/3

17:00-16:50

1 stop16h 50m

London Heathrow

Thu 9/4

06:30-16:24

2 stops17h 54m

£461

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 22/3

13:30-10:30

1 stop14h 00m

London Heathrow

Tue 7/4

08:40-21:05

2 stops20h 25m

£461

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 22/3

16:53-13:15

1 stop13h 22m

London Heathrow

Tue 7/4

14:25-20:50

1 stop14h 25m

£462

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 5/5

16:57-20:10

2 stops19h 13m

London Heathrow

Tue 19/5

09:55-21:47

2 stops19h 52m

£464

Flights are sorted by cheapest return flights first.

Deals found on 15/1

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 9 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 £222). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £598). 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 12h 18m. Fly via Delta, Finnair, 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, February is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of £222). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £598). 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
Slough
Gatwick
Hounslow
Wembley
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Kingston upon Thames
Swindon
Bedford
Chelmsford
Eastbourne
Romford

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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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