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Cheap flights from Tucson to London Heathrow Airport from £341

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
20 Apr — 27 Apr1
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 15 April 2025.

Round-trip from

£508

One-way from

£341

Popular in

June

Cheapest in

February

Average price

£597
Lufthansa
  • Lufthansa
  • 7/5-21/5
  • 4 total stops
  • 37h 11m total
  • Tucson to London
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KLM
  • KLM
  • 11/5
  • 1 total stop
  • 14h 00m total
  • Tucson to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£147 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease (£31 potential savings vs. average return price).
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Average for round-trip flights in April 2025
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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 15 April 2025.

Wed 7/507:00TUS - LHR
2 stops19h 00mMultiple Airlines
Wed 21/506:55LHR - TUS
2 stops18h 11mMultiple Airlines
Deal found 14/4£508
Tue 6/509:23TUS - LHR
1 stop21h 02mIberia
Tue 13/511:30LHR - TUS
2 stops19h 25mIberia
Deal found 14/4£518
Tue 2/913:42TUS - LHR
1 stop14h 38mUnited Airlines
Fri 12/914:05LHR - TUS
2 stops30h 11mUnited Airlines
Deal found 15/4£520
Mon 11/816:30TUS - LHR
2 stops30h 00mAir Canada
Thu 21/817:40LHR - TUS
2 stops29h 00mAir Canada
Deal found 15/4£528
Mon 10/1112:43TUS - LHR
1 stop14h 17mBritish Airways
Mon 17/1115:45LHR - TUS
1 stop14h 38mBritish Airways
Deal found 15/4£552
Wed 21/516:30TUS - LHR
1 stop16h 45mDelta
Wed 4/608:40LHR - TUS
2 stops19h 51mDelta
Deal found 15/4£598
Wed 21/511:48TUS - LHR
1 stop18h 47mVirgin Atlantic
Wed 4/609:20LHR - TUS
1 stop20h 01mVirgin Atlantic
Deal found 14/4£608
Tue 15/412:30TUS - LHR
1 stop15h 45mFinnair
Tue 29/414:45LHR - TUS
1 stop14h 41mFinnair
Deal found 15/4£719
Sun 1/606:00TUS - LHR
1 stop16h 45mKLM
Wed 18/611:00LHR - TUS
1 stop18h 39mKLM
Deal found 15/4£788
Fri 6/612:20TUS - LHR
1 stop15h 55mAmerican Airlines
Fri 20/611:40LHR - TUS
1 stop16h 09mAmerican Airlines
Deal found 15/4£840
Sun 8/611:55TUS - LHR
2 stops44h 05mScandinavian Airlines
Wed 25/619:30LHR - TUS
2 stops34h 22mScandinavian Airlines
Deal found 15/4£847
Sun 11/512:37TUS - LHR
2 stops17h 18mAer Lingus
Fri 16/508:50LHR - TUS
2 stops22h 33mAer Lingus
Deal found 15/4£881

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 15 April 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 7/5

07:00-10:00

2 stops19h 00m

London Heathrow

Wed 21/5

06:55-17:06

2 stops18h 11m

£508

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 6/5

09:23-14:25

1 stop21h 02m

London Heathrow

Tue 13/5

11:30-22:55

2 stops19h 25m

£518

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 2/9

13:42-12:20

1 stop14h 38m

London Heathrow

Fri 12/9

14:05-12:16

2 stops30h 11m

£520

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 11/8

16:30-06:30

2 stops30h 00m

London Heathrow

Thu 21/8

17:40-14:40

2 stops29h 00m

£528

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 30/7

13:29-12:30

1 stop15h 01m

London Heathrow

Sat 16/8

08:20-14:56

1 stop14h 36m

£595

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 21/5

16:30-17:15

1 stop16h 45m

London Heathrow

Wed 4/6

08:40-20:31

2 stops19h 51m

£598

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 21/5

11:48-14:35

1 stop18h 47m

London Heathrow

Wed 4/6

09:20-21:21

1 stop20h 01m

£608

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 1/6

06:00-06:45

1 stop16h 45m

London Heathrow

Wed 18/6

11:00-21:39

1 stop18h 39m

£788

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 4/7

07:03-12:15

1 stop21h 12m

London Heathrow

Wed 6/8

12:00-22:46

1 stop18h 46m

£822

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 6/6

12:20-12:15

1 stop15h 55m

London Heathrow

Fri 20/6

11:40-19:49

1 stop16h 09m

£840

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 22 results
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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 11 April 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 15 April 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.
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,658 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Food

7.3

Boarding

8.2

Crew

8.5

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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, Iberia (£518), United Airlines (£520), and Air Canada (£528) offers the cheapest pricing from Tucson to London Heathrow Airport. Users have found that Iberia is 24% 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 KLM, which is currently one of the cheapest options available, starting at £341. Air Canada flights start at £346 while deals on Aer Lingus start at £348 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

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