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Cheap flights from Tucson to London Heathrow Airport from £269

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 22/2. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
6 Feb — 13 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 7 January 2026.

Round-trip from

£427

One-way from

£269

Popular in

June

Cheapest in

November

Average price

£616
Iberia
  • Iberia
  • 18/1-3/2
  • 3 total stops
  • 49h 40m total
  • Tucson to London
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British Airways
  • British Airways
  • 22/2
  • 1 total stop
  • 16h 44m total
  • Tucson to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£134 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£19 potential savings vs. average return price).
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Average for round-trip flights in January 2026
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Find 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 7 January 2026.

Sun 18/109:00TUS - LHR
1 stop16h 35mIberia
Tue 3/220:50LHR - TUS
2 stops33h 05mIberia
Deal found 6/1£427
Tue 17/207:06TUS - LHR
1 stop16h 44mBritish Airways
Tue 24/206:05LHR - TUS
2 stops21h 51mBritish Airways
Deal found 6/1£428
Mon 9/306:00TUS - LHR
2 stops24h 30mBritish Airways
Mon 16/319:15LHR - TUS
2 stops29h 31mBritish Airways
Deal found 6/1£432
Mon 2/306:00TUS - LHR
2 stops22h 35mBritish Airways
Wed 11/306:15LHR - TUS
2 stops20h 41mBritish Airways
Deal found 5/1£433
Tue 10/210:49TUS - LHR
1 stop13h 01mBritish Airways
Wed 18/208:20LHR - TUS
1 stop19h 36mBritish Airways
Deal found 6/1£435
Sat 14/216:42TUS - LHR
1 stop31h 08mBritish Airways
Mon 23/219:15LHR - TUS
2 stops30h 31mBritish Airways
Deal found 6/1£438
Wed 29/412:10TUS - LHR
1 stop18h 15mBritish Airways
Wed 6/519:30LHR - TUS
2 stops31h 08mBritish Airways
Deal found 6/1£439
Tue 10/209:00TUS - LHR
2 stops17h 15mIberia
Wed 18/217:25LHR - TUS
2 stops23h 22mIberia
Deal found 6/1£440
Sun 18/113:42TUS - LHR
1 stop12h 18mVirgin Atlantic
Tue 3/210:45LHR - TUS
1 stop18h 52mVirgin Atlantic
Deal found 6/1£441
Sun 22/305:00TUS - LHR
1 stop18h 50mBritish Airways
Tue 7/417:20LHR - TUS
2 stops33h 18mBritish Airways
Deal found 6/1£445
Thu 19/206:00TUS - LHR
1 stop19h 15mBritish Airways
Thu 26/207:30LHR - TUS
2 stops20h 26mBritish Airways
Deal found 6/1£447

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 7 January 2026.
Use the filters below to find and compare flights from Tucson to London Heathrow Airport that are best for you.

Fly from

Tucson

Fly to

Heathrow

Route

Depart

Return

Price

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 17/2

07:14-06:55

2 stops16h 41m

London Heathrow

Tue 24/2

09:00-22:05

2 stops20h 05m

£449

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 16/3

15:42-12:15

1 stop13h 33m

London Heathrow

Tue 31/3

12:55-19:56

1 stop15h 01m

£450

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 14/2

17:59-20:10

2 stops19h 11m

London Heathrow

Mon 23/2

08:40-23:01

2 stops21h 21m

£452

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 18/3

15:24-11:40

1 stop13h 16m

London Heathrow

Tue 31/3

09:40-21:41

2 stops20h 01m

£453

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 25/3

17:00-16:50

1 stop16h 50m

London Heathrow

Thu 9/4

08:55-21:05

2 stops20h 10m

£457

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 24/3

15:24-11:40

1 stop13h 16m

London Heathrow

Wed 8/4

06:30-15:57

2 stops17h 27m

£457

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 17/3

06:25-06:55

2 stops17h 30m

London Heathrow

Thu 2/4

06:30-15:57

2 stops17h 27m

£461

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 21/3

15:24-07:50

1 stop33h 26m

London Heathrow

Wed 8/4

08:40-21:55

2 stops21h 15m

£461

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 16/3

16:53-13:15

1 stop13h 22m

London Heathrow

Fri 3/4

10:05-16:17

1 stop14h 12m

£462

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 22/3

06:00-06:50

1 stop17h 50m

London Heathrow

Fri 10/4

16:25-22:55

1 stop14h 30m

£462

Flights are sorted by cheapest return flights first.

Deals found on 6/1

Showing 1-10 of 20 results
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?

Use this chart to determine the optimal time to book a return flight from Tucson to Heathrow. Price data was last updated on 2 January 2026.

The best time to book flights from Tucson to London Heathrow Airport is 6 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, February is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of £220). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £593). 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.

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 13h 33m. Fly via Delta or British Airways 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, February is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of £220). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of £593). 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
Luton
Croydon
Northampton
Slough
Hounslow
Gatwick
Ilford
Wembley
Brentford
Hayes
Colchester
Watford
Crawley
Swindon
Kingston upon Thames
Bedford
Chelmsford
Eastbourne
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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