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$395+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 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 August 14, 2025.

Round-trip from

$582
(Delta)

One-way from

$395
(Trip.com)

Popular in

June

Cheapest in

February

Average price

$799
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 August 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 August 14, 2025.

This Netflights deal was found by Cheapflights users on 8/14. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:00 pmTUS - LHR
1 stop20h 50mVirgin Atlantic
Wed 12/178:55 amLHR - TUS
1 stop20h 59mVirgin Atlantic
Deal found 8/14$609
This United Airlines deal was found by Cheapflights users on 8/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:00 amTUS - LHR
2 stops15h 40mUnited Airlines
Wed 12/176:35 amLHR - TUS
2 stops34h 24mUnited Airlines
Deal found 8/14$631
This Delta deal was found by Cheapflights users on 8/14. 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 9/2312:57 pmTUS - LHR
1 stop14h 13mDelta
Thu 10/26:15 amLHR - TUS
2 stops22h 18mDelta
Deal found 8/14$632
This Delta deal was found by Cheapflights users on 8/13. 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 9/211:57 amTUS - LHR
1 stop14h 18mDelta
Fri 9/126:30 amLHR - TUS
2 stops23h 06mDelta
Deal found 8/13$633
This FlightHub deal was found by Cheapflights users on 8/13. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:00 amTUS - LHR
2 stops16h 30mAir Canada
Thu 10/23:50 pmLHR - TUS
2 stops33h 18mAir Canada
Deal found 8/13$634
This Delta deal was found by Cheapflights users on 8/14. 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.
Mon 9/84:55 pmTUS - LHR
2 stops19h 05mDelta
Wed 9/179:00 amLHR - TUS
2 stops20h 36mDelta
Deal found 8/14$636
This KLM deal was found by Cheapflights users on 8/14. 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 9/231:35 pmTUS - LHR
1 stop16h 40mKLM
Thu 10/21:05 pmLHR - TUS
1 stop16h 31mKLM
Deal found 8/14$640
This United Airlines deal was found by Cheapflights users on 8/13. 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.
Tue 11/47:00 amTUS - LHR
2 stops17h 10mUnited Airlines
Mon 11/101:50 pmLHR - TUS
2 stops51h 09mUnited Airlines
Deal found 8/13$646
This deal was found by Cheapflights users on 8/13. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:57 amTUS - LHR
1 stop16h 38mUnited Airlines
Wed 10/1510:00 amLHR - TUS
1 stop18h 32mUnited Airlines
Deal found 8/13$650
This Netflights deal was found by Cheapflights users on 8/13. 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.
Fri 9/1911:55 amTUS - LHR
1 stop14h 05mMultiple Airlines
Fri 9/269:55 amLHR - TUS
1 stop18h 38mMultiple Airlines
Deal found 8/13$657

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 August 14, 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 12/3

1:00 pm-4:50 pm

1 stop20h 50m

London Heathrow

Wed 12/17

8:55 am-10:54 pm

1 stop20h 59m

$609

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 12/3

8:00 am-11:15 am

1 stop20h 15m

London Heathrow

Wed 12/17

6:35 am-9:59 am

2 stops34h 24m

$631

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 9/23

4:30 pm-2:35 pm

1 stop14h 05m

London Heathrow

Thu 10/2

9:00 am-8:33 pm

2 stops19h 33m

$632

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 9/2

7:00 am-2:35 pm

1 stop23h 35m

London Heathrow

Fri 9/12

6:15 am-9:36 pm

2 stops23h 21m

$632

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 9/8

12:54 pm-1:30 pm

1 stop16h 36m

London Heathrow

Wed 9/17

6:15 am-9:36 pm

2 stops23h 21m

$632

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 10/22

12:02 pm-10:00 am

1 stop13h 58m

London Heathrow

Wed 10/29

6:20 am-9:25 pm

2 stops22h 05m

$632

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 9/10

11:57 am-5:15 pm

1 stop21h 18m

London Heathrow

Thu 9/18

8:40 am-8:33 pm

2 stops19h 53m

$633

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 12/2

7:00 am-7:10 am

2 stops17h 10m

$395

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 9/26

12:17 pm-12:45 pm

3 stops40h 28m

$402

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 9/20

4:30 pm-6:20 am

2 stops29h 50m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 12 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 August 8, 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.

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 August 14, 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
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

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!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

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!
Scandinavian Airlines
7.4
Good
1,468 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

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!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

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!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

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!
British Airways
6.7
Okay
7,266 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

8.0

Entertainment

7.9

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?

    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 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 $637 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
Thornton Heath
Harrow
Canterbury
Dartford
Dover
Stratford-upon-Avon
Orpington
Watford
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Chelmsford
Southend-on-Sea
Folkestone
Chichester
Swindon

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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$298Average$754FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$637Average$783FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$678Average$895FlexibilityNo cancel feeOn-time70%
DeltaCheapest$696Average$744FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$707Average$895FlexibilityNo cancel feeOn-time71%

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