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$463+ Cheap flights from Tucson (TUS) to Heathrow (LHR)

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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 Tuesday or Friday and return on a Tuesday

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 June 12, 2025.

Round-trip from

$720
(Cheapflightsfares)

One-way from

$463
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$1,220
From Tucson to London Heathrow
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One-way flight from Tucson to London Heathrow
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Highest demand for flights based on searches. 18% potential increase in price ($200 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1112:18 pmTUS - LHR
1 stop14h 47mBritish Airways
Thu 8/214:25 pmLHR - TUS
1 stop15h 16mBritish Airways
Deal found 6/12$720
This Gotogate deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/36:26 amTUS - LHR
2 stops19h 34mAir Canada
Tue 8/198:30 amLHR - TUS
2 stops34h 06mAir Canada
Deal found 6/10$726
This Scandinavian Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1911:57 amTUS - LHR
2 stops25h 43mScandinavian Airlines
Mon 8/256:40 amLHR - TUS
2 stops23h 07mScandinavian Airlines
Deal found 6/10$729
This United Airlines deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/241:40 pmTUS - LHR
1 stop14h 40mUnited Airlines
Tue 9/3012:05 pmLHR - TUS
2 stops35h 00mUnited Airlines
Deal found 6/12$734
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/310:32 amTUS - LHR
1 stop13h 28mAmerican Airlines
Tue 8/198:20 amLHR - TUS
1 stop16h 45mAmerican Airlines
Deal found 6/10$744
This Ovago deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:30 pmTUS - LHR
1 stop12h 10mLufthansa
Tue 1/68:15 pmLHR - TUS
2 stops29h 00mLufthansa
Deal found 6/10$764
This Iberia deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/213:38 pmTUS - LHR
1 stop13h 07mIberia
Thu 8/74:25 pmLHR - TUS
1 stop15h 16mIberia
Deal found 6/10$781
This Booking.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/51:30 pmTUS - LHR
2 stops36h 05mMultiple Airlines
Mon 9/227:10 pmLHR - TUS
2 stops33h 08mMultiple Airlines
Deal found 6/12$789
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1410:59 amTUS - LHR
2 stops16h 26mDelta
Tue 7/2912:25 pmLHR - TUS
2 stops17h 09mDelta
Deal found 6/11$827
This Finnair deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/219:22 amTUS - LHR
1 stop15h 38mFinnair
Mon 7/289:15 amLHR - TUS
1 stop21h 29mFinnair
Deal found 6/11$847
This Netflights deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/266:00 amTUS - LHR
1 stop16h 45mVirgin Atlantic
Fri 7/251:35 pmLHR - TUS
1 stop14h 59mVirgin Atlantic
Deal found 6/11$916
This KLM deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/121:00 pmTUS - LHR
1 stop16h 30mKLM
Thu 6/1910:55 amLHR - TUS
1 stop18h 44mKLM
Deal found 6/11$952

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated June 12, 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

Mon 8/11

12:18 pm-11:05 am

1 stop14h 47m

London Heathrow

Thu 8/21

4:25 pm-11:41 pm

1 stop15h 16m

$720

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 8/3

6:26 am-10:00 am

2 stops19h 34m

London Heathrow

Tue 8/19

8:30 am-10:36 am

2 stops34h 06m

$726

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 8/19

11:57 am-9:40 pm

2 stops25h 43m

London Heathrow

Mon 8/25

6:40 am-9:47 pm

2 stops23h 07m

$729

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 9/24

1:40 pm-12:20 pm

1 stop14h 40m

London Heathrow

Tue 9/30

12:05 pm-3:05 pm

2 stops35h 00m

$734

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 8/3

10:32 am-8:00 am

1 stop13h 28m

London Heathrow

Tue 8/19

8:20 am-5:05 pm

1 stop16h 45m

$744

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 7/21

3:38 pm-12:45 pm

1 stop13h 07m

London Heathrow

Thu 8/7

4:25 pm-11:41 pm

1 stop15h 16m

$781

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 9/5

1:30 pm-9:35 am

2 stops36h 05m

London Heathrow

Mon 9/22

7:10 pm-8:18 pm

2 stops33h 08m

$789

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 7/14

10:59 am-11:25 am

2 stops16h 26m

London Heathrow

Tue 7/29

12:25 pm-9:34 pm

2 stops17h 09m

$827

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 7/21

9:22 am-9:00 am

1 stop15h 38m

London Heathrow

Mon 7/28

9:15 am-10:44 pm

1 stop21h 29m

$847

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 6/26

6:00 am-6:45 am

1 stop16h 45m

London Heathrow

Fri 7/25

1:35 pm-8:34 pm

1 stop14h 59m

$916

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 18 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 round-trip 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 round-trip flight from Tucson to Heathrow. Price data was last updated on June 9, 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, November is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of $661). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of $1,108). 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 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Heathrow Airport when rainfall is around 1.6 in.

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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Tucson to London, such as Delta, KLM and Finnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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!
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Overall

8.0

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

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?

    If you book a flight to London Heathrow from Tucson, you will be flying from Tucson, which is the city’s only airport. Tucson (TUS) is located 7.5 mi from the center of Tucson. There are 0 flights from Tucson to London Heathrow per day from 5 different airlines.

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

    Our cheapest airline available from Tucson to London Heathrow Airport is British Airways. Our recent data shows that you can find tickets from as low as $720 on this airline. Additional options worth looking into are Air Canada and Scandinavian Airlines, starting at $726 and $729 round-trip. These flights start at 19% lower than the current average price 3 months from now.

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

    $463 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Delta and Iberia, with prices starting from $518 and $587, respectively.

  • 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 vacation 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, November is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of $661). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of $1,108). 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

Traveling to a place near Tucson?

Book flights to Tucson if you plan to visit one of these locations
Hayes
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Gatwick
Orpington
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Folkestone
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Broadway
Sutton
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Chelmsford
Brentwood

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.

Top 5 airlines flying from Tucson to Heathrow

Discover the top 5 airlines that operate flights from Tucson to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$298Average$754FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$605Average$793FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$613Average$869FlexibilityNo cancel feeOn-time71%
DeltaCheapest$641Average$744FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$682Average$902FlexibilityNo cancel feeOn-time70%

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