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Cheap flights from Tucson to London Heathrow Airport from £245

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
21 Jun — 28 Jun1
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 22 May 2026.

Tue 8/912:30
TUS
-
LHR
1 stop34h 55m
Lufthansa
Fri 11/907:25
LHR
-
TUS
2 stops21h 45m
Lufthansa
Deal found 20/5£600
Tue 8/912:00
TUS
-
LHR
2 stops44h 00m
Scandinavian Airlines
Fri 11/906:40
LHR
-
TUS
2 stops22h 57m
Scandinavian Airlines
Deal found 20/5£622
Tue 18/811:20
TUS
-
LHR
1 stop15h 40m
Delta
Thu 12/1108:40
LHR
-
TUS
2 stops21h 16m
Delta
Deal found 19/5£653
Tue 18/811:20
TUS
-
LHR
1 stop15h 40m
Delta
Tue 8/906:30
LHR
-
TUS
2 stops23h 42m
Delta
Deal found 18/5£655
Tue 18/811:20
TUS
-
LHR
1 stop15h 40m
KLM
Thu 12/1106:30
LHR
-
TUS
2 stops23h 26m
KLM
Deal found 18/5£655
Tue 18/809:15
TUS
-
LHR
2 stops22h 25m
Lufthansa
Tue 8/919:10
LHR
-
TUS
2 stops29h 53m
Lufthansa
Deal found 19/5£656
Wed 28/1006:00
TUS
-
LHR
2 stops17h 20m
Delta
Wed 4/1108:40
LHR
-
TUS
2 stops21h 16m
Delta
Deal found 21/5£658

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 22 May 2026.

Round-trip from

£600

One-way from

£245

Popular in

June

Cheapest in

January

Average price

£826
Lufthansa
  • Lufthansa
  • 8/9-11/9
  • 3 total stops
  • 56h 40m total
  • Tucson to London
Search Deals
British Airways
  • British Airways
  • 18/8
  • 1 total stop
  • 15h 10m total
  • Tucson to London
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£159 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 22 May 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

Tue 1/9

11:50-15:35

1 stop19h 45m

London Heathrow

Tue 15/9

06:30-16:17

2 stops17h 47m

£655

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 18/8

06:00-07:10

2 stops17h 10m

London Heathrow

Thu 12/11

08:40-22:56

2 stops21h 16m

£658

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 12/10

09:39-12:25

1 stop18h 46m

London Heathrow

Fri 16/10

14:05-12:23

2 stops30h 18m

£660

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 20/8

12:29-21:20

3 stops24h 51m

London Heathrow

Sun 30/8

06:40-20:59

3 stops22h 19m

£688

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 11/8

06:00-11:20

1 stop21h 20m

London Heathrow

Wed 19/8

06:30-21:49

2 stops23h 19m

£698

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 9/8

05:45-06:30

2 stops16h 45m

London Heathrow

Tue 18/8

06:55-17:03

2 stops18h 08m

£749

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 17/8

12:29-21:35

3 stops25h 06m

London Heathrow

Wed 26/8

07:05-20:59

3 stops21h 54m

£751
Fastest return journey

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 28/8

11:11-10:40

2 stops15h 29m

London Heathrow

Fri 11/9

11:25-17:03

1 stop13h 38m

£768

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 15/7

12:30-15:00

1 stop18h 30m

London Heathrow

Wed 22/7

06:15-16:06

2 stops17h 51m

£826

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 14/7

13:30-09:40

1 stop12h 10m

London Heathrow

Mon 3/8

14:05-22:11

2 stops40h 06m

£879

Flights are sorted by cheapest return flights first.

Deals found on 17/5

Showing 1-10 of 22 resultsSorted by cheapest first
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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 £1,048). 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 10m. Fly via KLM, Delta, or United 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 £489). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £1,048). 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
Croydon
Northampton
Wembley
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Romford
Kingston upon Thames
Eastbourne
Ipswich
Swindon
Guildford
Southall

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Why should you use Cheapflights to find cheap flight tickets from Tucson to Heathrow?

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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.

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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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