Find flights
When to book
FAQs

Cheap flights from Tucson to London Heathrow Airport from £232

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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
17 Apr — 24 Apr1
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 18 March 2026.

Mon 5/1006:30
TUS
-
LHR
1 stop21h 05m
United Airlines
Tue 6/1016:25
LHR
-
TUS
2 stops39h 10m
United Airlines
Deal found 13/3£540
Fri 21/815:25
TUS
-
LHR
1 stop32h 00m
United Airlines
Mon 24/807:25
LHR
-
TUS
2 stops19h 00m
United Airlines
Deal found 13/3£568
Mon 9/1113:00
TUS
-
LHR
2 stops25h 40m
Scandinavian Airlines
Fri 13/1106:40
LHR
-
TUS
2 stops22h 27m
Scandinavian Airlines
Deal found 17/3£569
Mon 19/1012:00
TUS
-
LHR
2 stops22h 30m
Scandinavian Airlines
Mon 26/1006:40
LHR
-
TUS
2 stops21h 27m
Scandinavian Airlines
Deal found 18/3£579
Wed 9/915:40
TUS
-
LHR
1 stop14h 45m
Iberia
Wed 23/910:50
LHR
-
TUS
2 stops19h 55m
Iberia
Deal found 13/3£581
Tue 6/1006:00
TUS
-
LHR
1 stop21h 20m
Delta
Thu 15/1006:30
LHR
-
TUS
2 stops17h 47m
Delta
Deal found 15/3£584
Mon 9/1113:50
TUS
-
LHR
1 stop15h 10m
United Airlines
Fri 13/1109:00
LHR
-
TUS
2 stops20h 40m
United Airlines
Deal found 15/3£584
Wed 9/905:40
TUS
-
LHR
2 stops16h 50m
Multiple Airlines
Wed 23/906:55
LHR
-
TUS
2 stops18h 09m
Multiple Airlines
Deal found 13/3£587

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 18 March 2026.

Round-trip from

£568

One-way from

£232

Popular in

June

Cheapest in

January

Average price

£544
United Airlines
  • United Airlines
  • 21/8-24/8
  • 3 total stops
  • 51h 00m total
  • Tucson to London
Search Deals
British Airways
  • British Airways
  • 9/8
  • 1 total stop
  • 14h 31m total
  • Tucson to London
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£143 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 18 March 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 27/4

12:00-11:35

1 stop15h 35m

London Heathrow

Mon 4/5

16:25-18:54

2 stops34h 29m

£637

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 12/9

12:40-07:15

1 stop34h 35m

London Heathrow

Sun 27/9

13:25-21:37

1 stop16h 12m

£647

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 11/9

12:00-14:35

2 stops18h 35m

London Heathrow

Sun 27/9

13:25-21:37

1 stop16h 12m

£684

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 17/5

19:15-11:10

1 stop31h 55m

London Heathrow

Tue 26/5

07:25-20:12

2 stops20h 47m

£730

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 15/7

10:55-11:35

1 stop16h 40m

London Heathrow

Wed 22/7

14:05-22:11

2 stops40h 06m

£787
Fastest return journey

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 26/5

07:10-07:10

2 stops16h 00m

London Heathrow

Tue 2/6

11:30-21:43

2 stops18h 13m

£827
Cheapest one-way

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 8/8

15:28-11:10

1 stop35h 42m

£241

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 8/4

06:00-10:25

2 stops20h 25m

£395
Fastest single journey

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 8/4

11:10-10:00

1 stop14h 50m

£395

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 8/4

06:02-06:20

1 stop16h 18m

£404

Flights are sorted by cheapest return flights first.

Deals found on 17/3

Showing 1-10 of 14 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?

Use this chart to determine the optimal time to book a return flight from Tucson to Heathrow. Price data was last updated on 13 March 2026.

The best time to book flights from Tucson to London Heathrow Airport is 30 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 £317). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £605). 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 35m. 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, January is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of £317). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £605). 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
Wembley
Croydon
Northampton
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Swindon
Bedford

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.