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Cheap flights from Tucson to London Heathrow Airport from £240

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 30/12. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
13 Sep — 20 Sep1
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 14 August 2026.

Wed 28/1009:37 -
1 stop15h 38m
Tue 3/1107:30 -
2 stops23h 54m
Deal found 13/8£647
Tue 8/1206:00 -
1 stop20h 00m
Tue 12/106:30 -
2 stops17h 47m
Deal found 9/8£650
Wed 9/1208:02 -
1 stop19h 23m
Wed 16/1208:20 -
1 stop21h 06m
Deal found 13/8£651
Mon 7/1220:18 -
2 stops32h 32m
Wed 13/113:25 -
2 stops33h 50m
Deal found 9/8£654
Wed 9/1217:55 -
1 stop15h 35m
Wed 16/1206:20 -
2 stops23h 19m
Deal found 13/8£655
Tue 8/1210:35 -
2 stops17h 45m
Fri 15/114:30 -
2 stops34h 45m
Deal found 9/8£660
Mon 7/1208:10 -
1 stop21h 10m
Wed 13/114:45 -
1 stop28h 26m
Deal found 9/8£662
Wed 28/1009:37 -
1 stop14h 13m
Wed 4/1119:40 -
2 stops21h 14m
Deal found 10/8£666
Wed 30/906:35 -
1 stop19h 40m
Fri 9/1011:45 -
2 stops17h 52m
Deal found 10/8£670

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 14 August 2026.

Round-trip from

£603

One-way from

£240

Popular in

June

Cheapest in

January

Average price

£781
United Airlines
  • United Airlines
  • 8/2-10/2
  • 3 total stops
  • 78h 06m total
  • Tucson to London
Search Deals
Iberia
  • Iberia
  • 30/12
  • 1 total stop
  • 16h 23m total
  • Tucson to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£159 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 14 August 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 Tucson - LHR London Heathrow

TUSLHR

Tucson

Mon 8/2

12:19-05:55

1 stop34h 36m

London Heathrow

Wed 10/2

12:05-00:35

2 stops43h 30m

£603

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Tue 8/12

08:00-09:25

2 stops18h 25m

London Heathrow

Tue 12/1

08:40-22:56

2 stops21h 16m

£653

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Tue 8/12

14:06-12:20

1 stop15h 14m

London Heathrow

Thu 14/1

14:45-12:11

1 stop28h 26m

£662

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Wed 30/9

06:35-10:20

2 stops19h 45m

London Heathrow

Fri 9/10

06:15-16:00

2 stops17h 45m

£679

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Fri 11/12

14:06-12:20

1 stop15h 14m

London Heathrow

Fri 15/1

14:45-12:11

1 stop28h 26m

£699
Fastest return journey

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Mon 26/10

11:09-07:40

1 stop13h 31m

London Heathrow

Sun 8/11

09:00-21:59

2 stops19h 59m

£707

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Fri 16/10

06:40-10:15

1 stop19h 35m

London Heathrow

Fri 23/10

08:40-21:55

2 stops21h 15m

£707

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Fri 30/10

06:00-09:00

1 stop20h 00m

London Heathrow

Fri 6/11

10:00-22:55

2 stops19h 55m

£707

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Thu 24/9

12:29-14:55

1 stop18h 26m

London Heathrow

Thu 1/10

08:40-20:50

2 stops20h 10m

£707

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Tue 15/9

16:42-15:00

1 stop14h 18m

London Heathrow

Mon 21/9

09:55-21:26

2 stops19h 31m

£731

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 19 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 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 £487). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £1,066). 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?

Airfare is below average for this route at the moment.

Tucson to London Heathrow Airport flights typically cost between £559 and £838 in February.
The cheapest return price found within the last 5 days was £552 on United Airlines (8 Feb–10 Feb).

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 14m. Fly via United Airlines, Delta, or Alaska Airlines 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 £487). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £1,066). 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
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Southend-on-Sea
Swindon
Enfield
Kingston upon Thames
Southall
Poole

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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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