Cheap flights from Tucson to London Heathrow Airport from £222

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Tucson to London Heathrow are usually found in February or October, booked 7 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

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 18 September 2025.

Round-trip from

£429

One-way from

£222

Popular in

June

Cheapest in

February

Average price

£582
Delta
  • Delta
  • 19/11-27/11
  • 3 total stops
  • 43h 29m total
  • Tucson to London
29/9
  • 29/9
  • 3 total stops
  • 43h 04m total
  • Tucson to London
Highest demand for flights based on searches. 20% potential increase in price (£129 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£22 potential savings vs. average return price).
Average for round-trip flights in September 2025

Find flight deals from Tucson to Heathrow

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 September 2025.

Tue 23/911:55TUS - LHR
1 stop18h 40mDelta
Thu 2/1006:15LHR - TUS
2 stops22h 18mDelta
Deal found 15/9£428
Wed 19/1112:41TUS - LHR
1 stop15h 14mDelta
Thu 27/1114:45LHR - TUS
2 stops28h 15mDelta
Deal found 17/9£429
Tue 7/1013:17TUS - LHR
1 stop16h 13mDelta
Tue 21/1008:40LHR - TUS
2 stops19h 55mDelta
Deal found 17/9£429
Tue 23/911:15TUS - LHR
1 stop14h 35mKLM
Thu 2/1013:05LHR - TUS
1 stop16h 31mKLM
Deal found 15/9£434
Wed 24/912:57TUS - LHR
1 stop16h 33mKLM
Tue 7/1010:55LHR - TUS
1 stop18h 30mKLM
Deal found 17/9£434
Wed 24/905:55TUS - LHR
2 stops16h 50mVirgin Atlantic
Tue 7/1009:55LHR - TUS
1 stop18h 40mVirgin Atlantic
Deal found 17/9£437
Fri 31/1013:15TUS - LHR
1 stop14h 15mVirgin Atlantic
Fri 7/1108:55LHR - TUS
2 stops21h 35mVirgin Atlantic
Deal found 16/9£465
Thu 16/1007:00TUS - LHR
1 stop19h 00mDelta
Thu 23/1006:30LHR - TUS
2 stops22h 55mDelta
Deal found 16/9£466
Thu 2/1013:35TUS - LHR
1 stop16h 40mKLM
Tue 7/1010:55LHR - TUS
1 stop18h 30mKLM
Deal found 16/9£470
Thu 2/1006:00TUS - LHR
2 stops16h 20mVirgin Atlantic
Tue 7/1010:55LHR - TUS
1 stop18h 30mVirgin Atlantic
Deal found 16/9£474

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 September 2025.
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

Wed 19/11

12:41-10:55

1 stop15h 14m

London Heathrow

Thu 27/11

14:45-12:00

2 stops28h 15m

£429

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 13/10

05:55-09:50

1 stop19h 55m

London Heathrow

Tue 28/10

08:40-22:30

2 stops20h 50m

£429

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 7/10

13:17-13:30

1 stop16h 13m

London Heathrow

Tue 21/10

08:40-20:35

2 stops19h 55m

£429

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 7/10

13:17-11:10

1 stop13h 53m

London Heathrow

Tue 21/10

10:55-21:25

1 stop18h 30m

£434

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 31/10

13:15-10:30

1 stop14h 15m

London Heathrow

Fri 7/11

08:55-23:30

2 stops21h 35m

£465

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 16/10

07:00-10:00

1 stop19h 00m

London Heathrow

Thu 23/10

06:30-21:25

2 stops22h 55m

£466

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 13/10

07:00-10:00

1 stop19h 00m

London Heathrow

Mon 20/10

17:25-12:35

1 stop27h 10m

£476

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 14/2

13:40-09:00

1 stop12h 20m

London Heathrow

Sat 21/2

10:45-17:29

1 stop13h 44m

£513

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 19/11

07:00-07:10

2 stops17h 10m

London Heathrow

Tue 25/11

07:30-18:10

2 stops17h 40m

£514

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 29/9

14:41-17:45

3 stops43h 04m

£222

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 20 results
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 12 September 2025.

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, January is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of £112). Flying from Tucson to London Heathrow Airport in August is currently the most expensive (average of £164). 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 14m. Fly via Delta to get the fastest option. Airlines will cover a distance of 5291 mi.

  • 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 £112). Flying from Tucson to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Croydon
Hounslow
Slough
Gatwick
Northampton
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Winchester
Chichester
Ipswich
Swindon
Dartford
Guildford
Brentford

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.