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Cheap flights from Tucson to London Heathrow Airport from £246

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
2 Aug — 9 Aug1
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 July 2026.

Wed 28/1012:00
TUS
-
LHR
1 stop13h 15m
Iberia
Wed 4/1119:40
LHR
-
TUS
2 stops20h 59m
Iberia
Deal found 1/7£652
Sat 10/1013:27
TUS
-
LHR
1 stop32h 58m
Delta
Wed 14/1008:40
LHR
-
TUS
2 stops20h 57m
Delta
Deal found 29/6£653
Sun 8/1108:16
TUS
-
LHR
1 stop16h 39m
United Airlines
Thu 12/1106:50
LHR
-
TUS
2 stops23h 16m
United Airlines
Deal found 30/6£655
Wed 30/906:06
TUS
-
LHR
1 stop17h 39m
United Airlines
Fri 9/1007:25
LHR
-
TUS
2 stops17h 21m
United Airlines
Deal found 1/7£656
Sun 11/1007:05
TUS
-
LHR
2 stops19h 15m
Delta
Thu 15/1006:30
LHR
-
TUS
2 stops23h 07m
Delta
Deal found 29/6£658
Wed 28/1006:00
TUS
-
LHR
2 stops18h 05m
Delta
Wed 4/1106:30
LHR
-
TUS
2 stops23h 25m
Delta
Deal found 3/7£659
Sun 8/1107:01
TUS
-
LHR
1 stop22h 19m
Alaska Airlines
Thu 12/1114:45
LHR
-
TUS
1 stop15h 03m
Alaska Airlines
Deal found 30/6£663
Wed 28/1007:22
TUS
-
LHR
1 stop21h 58m
Alaska Airlines
Wed 4/1114:45
LHR
-
TUS
1 stop15h 03m
Alaska Airlines
Deal found 3/7£664
Sun 11/1007:22
TUS
-
LHR
1 stop23h 43m
Alaska Airlines
Wed 14/1017:00
LHR
-
TUS
1 stop29h 56m
Alaska Airlines
Deal found 29/6£667

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 July 2026.

Round-trip from

£652

One-way from

£246

Popular in

June

Cheapest in

January

Average price

£940
Iberia
  • Iberia
  • 28/10-4/11
  • 3 total stops
  • 34h 14m total
  • Tucson to London
Search Deals
British Airways
  • British Airways
  • 1/11
  • 1 total stop
  • 22h 29m total
  • Tucson to London
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£169 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 July 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

Wed 30/9

06:06-07:45

1 stop17h 39m

London Heathrow

Fri 9/10

07:25-16:46

2 stops17h 21m

£655

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 8/11

08:16-07:55

1 stop16h 39m

London Heathrow

Thu 12/11

06:50-23:06

2 stops23h 16m

£655

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 19/10

07:22-15:05

1 stop23h 43m

London Heathrow

Thu 29/10

14:45-14:56

1 stop31h 11m

£668
Fastest return journey

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 30/9

12:09-14:25

1 stop18h 16m

London Heathrow

Fri 9/10

08:55-15:08

1 stop14h 13m

£675

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 26/10

05:30-07:10

2 stops18h 40m

London Heathrow

Sun 8/11

06:50-23:06

2 stops23h 16m

£695

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 12/10

06:29-10:20

2 stops19h 51m

London Heathrow

Sun 18/10

06:30-20:58

2 stops22h 28m

£697

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 26/10

07:22-12:20

1 stop21h 58m

London Heathrow

Sun 8/11

14:45-13:08

1 stop29h 23m

£705
Cheapest one-way

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 1/11

06:30-09:20

2 stops19h 50m

£251

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 18/8

16:47-15:00

1 stop14h 13m

£347

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 9/8

10:55-11:35

1 stop16h 40m

£347

Flights are sorted by cheapest return flights first.

Deals found on 2/7

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 64 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 £493). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £1,079). 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 17h 39m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 5291 mi.

  • 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 £493). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £1,079). 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
Luton
Wembley
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Northampton
Watford
Kingston upon Thames
Swindon
Eastbourne
Poole
Southall
Aylesbury
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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