Find flights
When to book
Airlines
FAQs

Cheap flights from Tucson to London Heathrow Airport from £313

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
13 May — 20 May1
1 adult

Cheapflights Tip: The best prices from Tucson to London Heathrow are usually found in February or March, booked 6 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 8 May 2025.

Round-trip from

£469

One-way from

£351

Popular in

June

Cheapest in

February

Average price

£798
United Airlines
  • United Airlines
  • 2/8-2/9
  • 4 total stops
  • 62h 08m total
  • Tucson to London
Delta
  • Delta
  • 25/7
  • 2 total stops
  • 17h 20m total
  • Tucson to London
Highest demand for flights based on searches. 21% potential increase in price (£134 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£23 potential savings vs. average return price).
Average for round-trip flights in May 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 8 May 2025.

Sat 2/816:30TUS - LHR
2 stops33h 30mUnited Airlines
Tue 2/914:05LHR - TUS
2 stops28h 38mUnited Airlines
Deal found 7/5£469
Tue 2/906:00TUS - LHR
2 stops16h 30mMultiple Airlines
Fri 12/908:40LHR - TUS
2 stops19h 38mMultiple Airlines
Deal found 7/5£472
Mon 11/813:30TUS - LHR
1 stop16h 45mDelta
Thu 21/806:15LHR - TUS
2 stops18h 14mDelta
Deal found 7/5£480
Mon 11/812:40TUS - LHR
1 stop14h 30mKLM
Thu 21/809:20LHR - TUS
1 stop20h 17mKLM
Deal found 7/5£486
Tue 9/906:00TUS - LHR
2 stops16h 20mVirgin Atlantic
Tue 14/1010:55LHR - TUS
2 stops19h 17mVirgin Atlantic
Deal found 7/5£490
Tue 9/906:00TUS - LHR
3 stops16h 30mAir Canada
Tue 14/1008:30LHR - TUS
3 stops19h 53mAir Canada
Deal found 7/5£499
Fri 5/911:00TUS - LHR
1 stop12h 40mLufthansa
Mon 15/920:25LHR - TUS
2 stops31h 53mLufthansa
Deal found 7/5£552
Sun 8/613:38TUS - LHR
1 stop13h 12mIberia
Wed 25/608:20LHR - TUS
1 stop18h 34mIberia
Deal found 7/5£576
Mon 28/717:04TUS - LHR
1 stop13h 36mBritish Airways
Mon 4/819:30LHR - TUS
2 stops31h 41mBritish Airways
Deal found 7/5£613
Thu 12/610:33TUS - LHR
1 stop13h 27mFinnair
Thu 19/608:20LHR - TUS
1 stop18h 34mFinnair
Deal found 6/5£684
Thu 17/711:50TUS - LHR
3 stops21h 50mScandinavian Airlines
Tue 29/706:40LHR - TUS
2 stops21h 54mScandinavian Airlines
Deal found 7/5£1,060

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 8 May 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

Sat 2/8

16:30-10:00

2 stops33h 30m

London Heathrow

Tue 2/9

14:05-10:43

2 stops28h 38m

£469

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 2/9

06:00-07:15

1 stop17h 15m

London Heathrow

Fri 12/9

06:15-21:07

2 stops22h 52m

£480

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 1/9

11:30-09:50

1 stop14h 20m

London Heathrow

Wed 1/10

13:05-21:54

1 stop16h 49m

£486

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 9/9

06:00-06:20

2 stops16h 20m

London Heathrow

Tue 14/10

10:55-22:12

2 stops19h 17m

£490

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 9/9

06:00-06:30

2 stops16h 30m

London Heathrow

Tue 14/10

08:30-20:23

3 stops19h 53m

£494

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 9/9

06:00-06:30

3 stops16h 30m

London Heathrow

Tue 14/10

08:30-20:23

3 stops19h 53m

£499

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 11/8

17:11-12:50

1 stop11h 39m

London Heathrow

Thu 21/8

16:25-23:41

1 stop15h 16m

£538

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 11/8

15:46-12:30

1 stop12h 44m

London Heathrow

Thu 21/8

11:30-22:46

2 stops19h 16m

£544

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 3/6

11:31-16:05

1 stop20h 34m

London Heathrow

Tue 10/6

08:20-18:54

1 stop18h 34m

£631

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 6/6

10:33-08:00

1 stop13h 27m

London Heathrow

Fri 20/6

08:20-14:42

1 stop14h 22m

£688

Flights are sorted by cheapest return flights first.

Deals found on 7/5

Showing 1-10 of 17 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 2 May 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.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 8 May 2025.
Read through reviews of airlines operating flights from Tucson to London, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • What are the cheapest airlines flying from Tucson to London Heathrow Airport round-trip?

    According to our current data, United Airlines (£469), Delta (£480), and KLM (£486) offers the cheapest pricing from Tucson to London Heathrow Airport. Users have found that United Airlines is 30% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Tucson to London Heathrow Airport one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at £351. United Airlines flights start at £385 while deals on Air Canada start at £390 one-way.

  • 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 Tucson?

Book flights to Tucson if you plan to visit one of these locations
Deal
Hounslow
Milton Keynes
Luton
Gatwick
Slough
Croydon
Eastbourne
Wembley
Northampton
Crawley
Hayes
Southend-on-Sea
Ipswich
Watford
Ilford
Swindon
Folkestone
Maidstone
Winchester

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.