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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 27/7. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
31 May — 7 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 1 May 2026.

Tue 8/913:29
TUS
-
LHR
2 stops36h 31m
United Airlines
Fri 11/907:30
LHR
-
TUS
2 stops21h 13m
United Airlines
Deal found 28/4£631
Tue 8/912:00
TUS
-
LHR
1 stop14h 15m
Delta
Fri 11/906:30
LHR
-
TUS
2 stops23h 07m
Delta
Deal found 28/4£650
Wed 28/1011:20
TUS
-
LHR
1 stop17h 40m
United Airlines
Wed 4/1111:10
LHR
-
TUS
2 stops20h 25m
United Airlines
Deal found 29/4£651
Tue 18/805:40
TUS
-
LHR
2 stops16h 50m
United Airlines
Thu 12/1106:35
LHR
-
TUS
2 stops19h 50m
United Airlines
Deal found 1/5£652
Fri 30/1006:00
TUS
-
LHR
3 stops29h 30m
Scandinavian Airlines
Fri 6/1106:40
LHR
-
TUS
2 stops23h 16m
Scandinavian Airlines
Deal found 29/4£655
Tue 15/905:40
TUS
-
LHR
2 stops20h 20m
Air Canada
Fri 18/914:05
LHR
-
TUS
2 stops30h 22m
Air Canada
Deal found 26/4£659
Tue 18/809:37
TUS
-
LHR
1 stop17h 18m
British Airways
Thu 12/1107:30
LHR
-
TUS
2 stops23h 26m
British Airways
Deal found 29/4£662
Tue 18/805:40
TUS
-
LHR
2 stops16h 50m
Air Canada
Thu 12/1115:00
LHR
-
TUS
2 stops34h 15m
Air Canada
Deal found 29/4£663

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 1 May 2026.

Round-trip from

£631

One-way from

£247

Popular in

June

Cheapest in

January

Average price

£811
United Airlines
  • United Airlines
  • 8/9-11/9
  • 4 total stops
  • 57h 44m total
  • Tucson to London
Search Deals
British Airways
  • British Airways
  • 27/7
  • 1 total stop
  • 15h 40m total
  • Tucson to London
Search Deals
Highest demand for flights based on searches. 24% potential increase in price (£151 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£22 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 1 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

Wed 28/10

07:30-07:55

1 stop17h 25m

London Heathrow

Wed 4/11

11:10-00:35

2 stops20h 25m

£650
Fastest return journey

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 26/8

13:29-12:35

1 stop15h 06m

London Heathrow

Fri 4/9

08:00-14:32

1 stop14h 32m

£672

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 15/10

06:00-06:25

1 stop16h 25m

London Heathrow

Sun 18/10

09:55-21:07

1 stop19h 12m

£737

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 7/7

16:47-17:35

1 stop16h 48m

London Heathrow

Wed 16/9

09:55-16:17

1 stop14h 22m

£763

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 29/8

13:29-12:25

1 stop14h 56m

London Heathrow

Sat 5/9

06:55-17:04

2 stops18h 09m

£779

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 8/7

16:47-17:35

1 stop16h 48m

London Heathrow

Wed 15/7

12:25-21:57

2 stops17h 32m

£839

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 15/7

06:20-08:50

2 stops18h 30m

London Heathrow

Wed 22/7

20:05-12:35

2 stops24h 30m

£839

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 15/7

06:37-07:45

1 stop17h 08m

London Heathrow

Wed 22/7

14:05-20:12

2 stops38h 07m

£910

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 8/7

05:45-12:35

1 stop22h 50m

London Heathrow

Tue 28/7

14:05-22:11

2 stops40h 06m

£910

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 3/7

16:47-15:00

1 stop14h 13m

London Heathrow

Sat 18/7

17:45-11:47

1 stop26h 02m

£968

Flights are sorted by cheapest return flights first.

Deals found on 27/4

Showing 1-10 of 17 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 £486). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £962). 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 United Airlines, 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 £486). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £962). 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
Hounslow
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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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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