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$257+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 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 September 15, 2025.

Round-trip from

$584
(Delta)

One-way from

$257
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$794
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. 21% potential increase in price ($242 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This Delta deal was found by Cheapflights users on 9/14. 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.
Tue 9/231:35 pmTUS - LHR
1 stop16h 40mDelta
Thu 10/26:15 amLHR - TUS
2 stops22h 18mDelta
Deal found 9/14$584
This Delta deal was found by Cheapflights users on 9/14. 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.
Wed 10/297:00 amTUS - LHR
2 stops18h 45mDelta
Wed 11/58:55 amLHR - TUS
2 stops21h 35mDelta
Deal found 9/14$588
This KLM deal was found by Cheapflights users on 9/14. 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.
Tue 9/2312:57 pmTUS - LHR
1 stop16h 33mKLM
Thu 10/210:55 amLHR - TUS
1 stop18h 34mKLM
Deal found 9/14$592
This Scandinavian Airlines deal was found by Cheapflights users on 9/14. 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.
Sat 11/151:48 pmTUS - LHR
2 stops20h 52mScandinavian Airlines
Sat 11/226:40 amLHR - TUS
2 stops22h 16mScandinavian Airlines
Deal found 9/14$604
This Scandinavian Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 11/1212:41 pmTUS - LHR
2 stops22h 49mScandinavian Airlines
Thu 11/207:05 amLHR - TUS
3 stops21h 51mScandinavian Airlines
Deal found 9/14$608
This Delta deal was found by Cheapflights users on 9/14. 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.
Sun 9/211:35 pmTUS - LHR
2 stops16h 15mDelta
Tue 10/76:30 amLHR - TUS
2 stops22h 05mDelta
Deal found 9/14$617
This Virgin Atlantic deal was found by Cheapflights users on 9/15. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:15 pmTUS - LHR
1 stop16h 35mVirgin Atlantic
Thu 11/611:30 amLHR - TUS
2 stops19h 00mVirgin Atlantic
Deal found 9/15$674
This Virgin Atlantic deal was found by Cheapflights users on 9/14. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/512:57 pmTUS - LHR
1 stop16h 33mVirgin Atlantic
Sun 10/126:30 pmLHR - TUS
1 stop26h 05mVirgin Atlantic
Deal found 9/14$689

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 September 15, 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 10/29

6:00 am-7:50 am

1 stop18h 50m

London Heathrow

Wed 11/5

9:00 am-11:30 pm

2 stops21h 30m

$584

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 11/12

12:23 pm-10:00 am

1 stop14h 37m

London Heathrow

Thu 11/20

6:20 am-11:59 pm

2 stops24h 39m

$584

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 10/29

1:17 pm-9:00 am

1 stop12h 43m

London Heathrow

Wed 11/5

12:30 pm-11:30 pm

1 stop18h 00m

$592

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 11/12

6:45 am-10:00 am

1 stop20h 15m

London Heathrow

Thu 11/20

12:30 pm-11:59 pm

1 stop18h 29m

$592

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 11/15

1:48 pm-5:40 pm

2 stops20h 52m

London Heathrow

Sat 11/22

6:40 am-9:56 pm

2 stops22h 16m

$604

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 2/14

1:40 pm-6:30 pm

2 stops21h 50m

London Heathrow

Sat 2/21

10:20 am-10:04 pm

2 stops18h 44m

$604

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 11/12

12:41 pm-6:30 pm

2 stops22h 49m

London Heathrow

Thu 11/20

7:05 am-9:56 pm

3 stops21h 51m

$608

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 10/30

1:15 pm-12:50 pm

1 stop16h 35m

London Heathrow

Thu 11/6

11:30 am-11:30 pm

2 stops19h 00m

$674

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 11/10

2:20 pm-5:30 pm

3 stops44h 10m

$257

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 10/10

12:24 pm-5:45 pm

3 stops45h 21m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 16 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 September 12, 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 $1,097). 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 to fly round-trip from Tucson to London Heathrow Airport?

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 September 15, 2025.
Get a feel of what it's like to fly with Delta, Scandinavian Airlines, and United Airlines from Tucson to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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!
Scandinavian Airlines
7.4
Good
1,484 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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!
British Airways
6.7
Okay
7,361 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

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.

  • How long is the flight from Tucson to London Heathrow Airport?

    Departing from Tucson to London Heathrow Airport will take you 12h 43m. Airlines will cover a distance of 5291 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 Scandinavian Airlines. Our recent data shows that you can find tickets from as low as $298 on this airline. Additional options worth looking into are United Airlines and British Airways, starting at $650 and $678 round-trip. These flights start at 67% lower than the current average price 3 months from now.

  • 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 $1,097). 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Wembley
Folkestone
Chichester

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$298Average$754FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$650Average$951FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$678Average$882FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$707Average$887FlexibilityNo cancel feeOn-time71%
DeltaCheapest$744Average$744FlexibilityNo cancel feeOn-timeN/A

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