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Cheap flights from Tucson to London Heathrow Airport from £166

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
13 Feb — 20 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 14 January 2026.

Round-trip from

£430

One-way from

£166

Popular in

June

Cheapest in

November

Average price

£619
British Airways
  • British Airways
  • 17/2-24/2
  • 3 total stops
  • 41h 26m total
  • Tucson to London
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British Airways
  • British Airways
  • 29/4
  • 1 total stop
  • 16h 00m total
  • Tucson to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£137 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).
Search Deals
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 14 January 2026.

Tue 17/206:00
TUS
-
LHR
1 stop21h 00m
British Airways
Tue 24/207:30
LHR
-
TUS
2 stops20h 26m
British Airways
Deal found 12/1£430
Wed 11/210:49
TUS
-
LHR
1 stop17h 51m
Iberia
Wed 18/219:05
LHR
-
TUS
2 stops21h 40m
Iberia
Deal found 12/1£432
Sun 1/209:00
TUS
-
LHR
1 stop20h 15m
British Airways
Mon 9/219:40
LHR
-
TUS
2 stops31h 48m
British Airways
Deal found 13/1£432
Wed 25/306:00
TUS
-
LHR
1 stop23h 15m
British Airways
Thu 9/410:50
LHR
-
TUS
2 stops20h 05m
British Airways
Deal found 12/1£435
Wed 25/305:00
TUS
-
LHR
1 stop20h 15m
British Airways
Mon 13/418:10
LHR
-
TUS
2 stops32h 28m
British Airways
Deal found 12/1£436
Sat 14/212:37
TUS
-
LHR
1 stop35h 13m
British Airways
Mon 23/216:55
LHR
-
TUS
2 stops32h 51m
British Airways
Deal found 12/1£439
Mon 19/117:55
TUS
-
LHR
1 stop33h 05m
Delta
Tue 3/209:00
LHR
-
TUS
2 stops20h 07m
Delta
Deal found 12/1£440
Tue 20/117:38
TUS
-
LHR
1 stop12h 37m
British Airways
Tue 27/112:35
LHR
-
TUS
1 stop14h 53m
British Airways
Deal found 13/1£441
Thu 26/217:35
TUS
-
LHR
1 stop16h 15m
Virgin Atlantic
Thu 5/308:55
LHR
-
TUS
1 stop21h 06m
Virgin Atlantic
Deal found 12/1£441
Tue 12/514:15
TUS
-
LHR
1 stop16h 50m
British Airways
Tue 19/506:15
LHR
-
TUS
2 stops25h 44m
British Airways
Deal found 11/1£442
Mon 7/912:18
TUS
-
LHR
1 stop14h 12m
Iberia
Tue 15/911:30
LHR
-
TUS
2 stops19h 15m
Iberia
Deal found 12/1£444
Tue 17/213:28
TUS
-
LHR
1 stop17h 32m
Finnair
Tue 24/208:20
LHR
-
TUS
1 stop17h 26m
Finnair
Deal found 12/1£444

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 14 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

Thu 26/2

07:06-08:15

1 stop18h 09m

London Heathrow

Thu 5/3

06:15-20:56

2 stops21h 41m

£449

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 22/3

16:53-13:15

1 stop13h 22m

London Heathrow

Tue 7/4

10:05-20:50

1 stop18h 45m

£449

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 11/2

08:00-09:20

2 stops18h 20m

London Heathrow

Wed 18/2

06:20-22:30

2 stops23h 10m

£450

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

£459

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 25/3

13:30-10:30

1 stop14h 00m

London Heathrow

Thu 9/4

08:40-21:05

2 stops20h 25m

£459

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 19/2

13:38-11:35

1 stop14h 57m

London Heathrow

Thu 26/2

08:20-15:52

1 stop14h 32m

£459

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 22/3

17:00-16:50

1 stop16h 50m

London Heathrow

Tue 7/4

08:40-21:05

2 stops20h 25m

£459

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 7/4

06:25-10:15

2 stops19h 50m

London Heathrow

Thu 16/4

08:40-21:32

2 stops20h 52m

£462

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 29/4

12:10-12:10

1 stop16h 00m

£166

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 29/4

11:23-13:05

2 stops17h 42m

£167

Flights are sorted by cheapest return flights first.

Deals found on 11/1

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 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 £221). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £596). 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 13h 16m. Fly via British Airways, 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, February is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of £221). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £596). 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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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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