Find flights
When to book
FAQs

Cheap flights from Tucson to London Heathrow Airport from £455

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
19 Dec — 26 Dec1
1 adult
1 adult, Economy, 0 bags

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

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 19 November 2025.

Wed 3/1212:32TUS - LHR
1 stop15h 23mVirgin Atlantic
Sun 7/1208:40LHR - TUS
2 stops44h 15mVirgin Atlantic
Deal found 17/11£509
Wed 3/1206:00TUS - LHR
2 stops18h 05mDelta
Sun 7/1206:30LHR - TUS
2 stops24h 15mDelta
Deal found 18/11£626
Mon 15/1217:50TUS - LHR
1 stop16h 00mVirgin Atlantic
Mon 22/1211:20LHR - TUS
1 stop19h 00mVirgin Atlantic
Deal found 16/11£641
Wed 3/1206:00TUS - LHR
1 stop20h 00mKLM
Sun 7/1208:55LHR - TUS
1 stop21h 50mKLM
Deal found 18/11£644
Wed 3/1210:40TUS - LHR
2 stops14h 15mUnited Airlines
Sun 7/1207:40LHR - TUS
2 stops17h 25mUnited Airlines
Deal found 18/11£648
Wed 3/1207:00TUS - LHR
3 stops17h 10mMultiple Airlines
Sun 7/1218:00LHR - TUS
2 stops26h 31mMultiple Airlines
Deal found 18/11£654
Mon 15/1212:00TUS - LHR
1 stop15h 15mLufthansa
Mon 22/1210:05LHR - TUS
1 stop17h 04mLufthansa
Deal found 16/11£677
Mon 29/1217:45TUS - LHR
1 stop32h 55mUnited Airlines
Mon 5/113:25LHR - TUS
2 stops53h 51mUnited Airlines
Deal found 19/11£719
Wed 3/1212:32TUS - LHR
2 stops22h 08mScandinavian Airlines
Sun 7/1219:30LHR - TUS
2 stops33h 25mScandinavian Airlines
Deal found 17/11£772
Mon 29/1217:45TUS - LHR
2 stops30h 25mAir Canada
Mon 5/113:25LHR - TUS
2 stops35h 42mAir Canada
Deal found 19/11£815

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 19 November 2025.

Round-trip from

£426

Popular in

December

Cheapest in

November

Average price

£542
Lufthansa
  • Lufthansa
  • 15/1-21/1
  • 3 total stops
  • 32h 22m total
  • Tucson to London
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£46 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 November 2025
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 19 November 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

Tue 10/2

12:05-21:40

2 stops26h 35m

London Heathrow

Tue 17/2

10:20-22:07

2 stops18h 47m

£455

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 19/2

12:04-17:40

2 stops22h 36m

London Heathrow

Thu 26/2

06:40-23:03

2 stops23h 23m

£455

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 19/2

14:42-09:40

1 stop11h 58m

London Heathrow

Thu 26/2

12:05-22:59

2 stops41h 54m

£476

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 19/2

18:00-16:50

1 stop15h 50m

London Heathrow

Thu 26/2

08:40-23:03

2 stops21h 23m

£477

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 14/2

07:00-10:15

2 stops20h 15m

London Heathrow

Mon 23/2

06:30-22:07

2 stops22h 37m

£480

Flights are sorted by cheapest return flights first.

Deals found on 17/11

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 14 November 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, February is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of £227). Flying from Tucson to London Heathrow Airport in May is currently the most expensive (average of £620). 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 26h 35m. Fly via Scandinavian Airlines 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, February is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of £227). Flying from Tucson to London Heathrow Airport in May is currently the most expensive (average of £620). 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
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

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.