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Cheap flights from Tucson to London Heathrow Airport from £164

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
23 Feb — 2 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 24 January 2026.

Sun 3/506:30
TUS
-
LHR
1 stop21h 05m
United Airlines
Mon 4/516:25
LHR
-
TUS
2 stops33h 04m
United Airlines
Deal found 22/1£390
Mon 27/406:02
TUS
-
LHR
1 stop20h 53m
British Airways
Tue 12/506:15
LHR
-
TUS
2 stops25h 44m
British Airways
Deal found 22/1£436
Tue 4/816:02
TUS
-
LHR
1 stop14h 23m
Iberia
Thu 27/810:50
LHR
-
TUS
2 stops20h 51m
Iberia
Deal found 21/1£437
Tue 17/216:42
TUS
-
LHR
1 stop12h 33m
British Airways
Tue 24/214:45
LHR
-
TUS
1 stop15h 22m
British Airways
Deal found 22/1£443
Wed 12/813:30
TUS
-
LHR
1 stop16h 55m
Iberia
Wed 26/820:00
LHR
-
TUS
2 stops35h 41m
Iberia
Deal found 22/1£445
Tue 10/212:58
TUS
-
LHR
1 stop16h 07m
Finnair
Fri 27/210:35
LHR
-
TUS
1 stop15h 11m
Finnair
Deal found 22/1£446
Sun 22/306:00
TUS
-
LHR
1 stop23h 15m
British Airways
Tue 7/416:25
LHR
-
TUS
1 stop24h 34m
British Airways
Deal found 22/1£454
Tue 4/815:05
TUS
-
LHR
1 stop16h 00m
British Airways
Thu 27/808:55
LHR
-
TUS
1 stop18h 36m
British Airways
Deal found 21/1£455
Wed 12/815:32
TUS
-
LHR
1 stop14h 53m
British Airways
Wed 26/808:55
LHR
-
TUS
1 stop18h 36m
British Airways
Deal found 22/1£456
Tue 10/307:29
TUS
-
LHR
2 stops16h 41m
Multiple Airlines
Tue 17/306:35
LHR
-
TUS
2 stops21h 14m
Multiple Airlines
Deal found 24/1£458
Thu 5/307:06
TUS
-
LHR
1 stop18h 29m
British Airways
Wed 11/306:15
LHR
-
TUS
2 stops20h 41m
British Airways
Deal found 24/1£461

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 24 January 2026.

Round-trip from

£390

One-way from

£164

Popular in

June

Cheapest in

November

Average price

£610
United Airlines
  • United Airlines
  • 3/5-4/5
  • 3 total stops
  • 54h 09m total
  • Tucson to London
Search Deals
Iberia
  • Iberia
  • 3/5
  • 1 total stop
  • 14h 34m total
  • Tucson to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£134 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 24 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 3/5

06:30-11:35

1 stop21h 05m

London Heathrow

Mon 4/5

16:25-17:29

2 stops33h 04m

£390

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 5/3

10:45-09:40

1 stop15h 55m

London Heathrow

Wed 11/3

06:35-20:49

2 stops21h 14m

£462

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 5/3

12:02-10:55

1 stop15h 53m

London Heathrow

Wed 18/3

06:30-21:05

2 stops21h 35m

£462

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 19/2

16:06-11:40

1 stop12h 34m

London Heathrow

Thu 26/2

06:30-23:01

2 stops23h 31m

£462

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 5/3

07:14-08:45

2 stops18h 31m

London Heathrow

Wed 11/3

06:30-16:24

2 stops16h 54m

£466

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 8/3

06:30-07:10

2 stops17h 40m

London Heathrow

Sun 15/3

09:30-22:56

2 stops20h 26m

£473

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 19/2

12:57-11:40

1 stop15h 43m

London Heathrow

Thu 26/2

08:20-18:46

1 stop17h 26m

£475

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 27/4

11:23-12:15

2 stops16h 52m

London Heathrow

Tue 12/5

11:30-21:47

2 stops18h 17m

£481

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 3/5

15:51-14:25

1 stop14h 34m

£164

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 3/5

06:30-10:00

2 stops43h 30m

£176

Flights are sorted by cheapest return flights first.

Deals found on 22/1

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 16 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 £588). 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 15h 53m. Fly via 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 £588). 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
Luton
Croydon
Northampton
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Colchester
Watford
Swindon
Crawley
Bedford
Kingston upon Thames
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.

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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