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Cheap flights from Tucson to London Heathrow Airport from £247

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
5 Jul — 12 Jul1
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 5 June 2026.

Tue 8/912:30
TUS
-
LHR
1 stop34h 55m
Lufthansa
Fri 11/907:25
LHR
-
TUS
2 stops19h 24m
Lufthansa
Deal found 3/6£563
Wed 16/912:27
TUS
-
LHR
1 stop14h 23m
Iberia
Wed 14/1011:30
LHR
-
TUS
2 stops19h 35m
Iberia
Deal found 3/6£651
Tue 3/1113:00
TUS
-
LHR
2 stops21h 40m
Scandinavian Airlines
Tue 17/1110:20
LHR
-
TUS
2 stops18h 47m
Scandinavian Airlines
Deal found 5/6£651
Wed 30/909:39
TUS
-
LHR
1 stop16h 01m
Lufthansa
Fri 9/1006:55
LHR
-
TUS
2 stops17h 47m
Lufthansa
Deal found 1/6£654
Tue 15/906:29
TUS
-
LHR
1 stop19h 46m
Delta
Wed 14/1008:40
LHR
-
TUS
2 stops20h 27m
Delta
Deal found 3/6£654
Tue 8/907:10
TUS
-
LHR
2 stops21h 55m
Delta
Fri 11/908:40
LHR
-
TUS
2 stops20h 57m
Delta
Deal found 3/6£657
Sat 19/913:44
TUS
-
LHR
1 stop33h 31m
Delta
Wed 14/1008:40
LHR
-
TUS
2 stops20h 27m
Delta
Deal found 3/6£659
Wed 28/1012:00
TUS
-
LHR
1 stop15h 55m
Delta
Wed 4/1106:20
LHR
-
TUS
2 stops18h 06m
Delta
Deal found 3/6£660

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 5 June 2026.

Round-trip from

£563

One-way from

£247

Popular in

June

Cheapest in

January

Average price

£1,073
Lufthansa
  • Lufthansa
  • 8/9-11/9
  • 3 total stops
  • 54h 19m total
  • Tucson to London
Search Deals
British Airways
  • British Airways
  • 23/9
  • 1 total stop
  • 15h 20m total
  • Tucson to London
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£180 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£28 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 5 June 2026.
Use the filters below to find and compare flights from Tucson to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 20/7

06:00-06:25

1 stop16h 25m

London Heathrow

Thu 20/8

06:30-15:51

2 stops17h 21m

£699

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 19/7

13:49-11:20

1 stop13h 31m

London Heathrow

Tue 18/8

06:30-15:51

2 stops17h 21m

£747

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 24/9

06:29-10:20

2 stops19h 51m

London Heathrow

Sun 4/10

09:20-21:39

2 stops20h 19m

£754

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 15/7

12:30-13:05

2 stops16h 35m

London Heathrow

Fri 24/7

06:30-20:59

2 stops22h 29m

£823
Fastest return journey

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 15/7

05:45-06:30

2 stops16h 45m

London Heathrow

Wed 22/7

14:50-20:12

1 stop13h 22m

£843

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 2/7

06:37-06:45

2 stops40h 08m

London Heathrow

Fri 24/7

08:00-20:12

2 stops20h 12m

£899

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 7/10

12:00-18:30

2 stops22h 30m

London Heathrow

Mon 19/10

07:05-21:07

3 stops22h 02m

£1,079

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 16/6

11:53-15:35

1 stop19h 42m

London Heathrow

Fri 26/6

06:30-15:50

2 stops17h 20m

£1,123

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 16/6

06:00-06:20

2 stops16h 20m

London Heathrow

Thu 25/6

09:55-21:42

2 stops19h 47m

£1,126

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 24/9

12:29-21:20

3 stops24h 51m

London Heathrow

Sun 4/10

06:40-20:56

3 stops22h 16m

£1,165

Flights are sorted by cheapest return flights first.

Deals found on 4/6

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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?

The best time to book flights from Tucson to London Heathrow Airport is 90 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, January is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of £489). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £1,073). 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 16h 25m. Fly via KLM 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, January is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of £489). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £1,073). 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
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Northampton
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Swindon
Ipswich
Romford
Guildford
Poole

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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.

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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