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$374+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
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Cheapflights Tip: The best prices from Tucson to London Heathrow are usually found in November or February, booked 7 days in advance, depart on a Tuesday or Friday and return on a Tuesday

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 October 20, 2025.

This KLM deal was found by Cheapflights users on 10/18. 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.
Wed 10/2211:15 amTUS - LHR
1 stop14h 35mMultiple Airlines
Wed 11/56:20 amLHR - TUS
2 stops17h 47mMultiple Airlines
Deal found 10/18$593
This Delta deal was found by Cheapflights users on 10/18. 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 10/226:00 amTUS - LHR
2 stops18h 55mDelta
Wed 11/56:20 amLHR - TUS
2 stops17h 47mDelta
Deal found 10/18$597
This KLM deal was found by Cheapflights users on 10/18. 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.
Wed 10/2211:15 amTUS - LHR
1 stop14h 35mKLM
Wed 11/512:30 pmLHR - TUS
1 stop18h 00mKLM
Deal found 10/18$601
This Delta deal was found by Cheapflights users on 10/18. 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 10/296:00 amTUS - LHR
1 stop17h 25mDelta
Sat 11/811:30 amLHR - TUS
2 stops19h 00mDelta
Deal found 10/18$642
This KLM deal was found by Cheapflights users on 10/20. 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.
Wed 10/2911:15 amTUS - LHR
1 stop15h 45mMultiple Airlines
Sat 11/811:30 amLHR - TUS
2 stops19h 00mMultiple Airlines
Deal found 10/20$643
This KLM deal was found by Cheapflights users on 10/20. 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.
Wed 10/291:17 pmTUS - LHR
1 stop15h 23mKLM
Sat 11/812:30 pmLHR - TUS
1 stop18h 00mKLM
Deal found 10/20$651
This Netflights deal was found by Cheapflights users on 10/20. 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 12/106:45 amTUS - LHR
1 stop20h 15mVirgin Atlantic
Mon 12/298:55 amLHR - TUS
1 stop20h 25mVirgin Atlantic
Deal found 10/20$778
This KLM deal was found by Cheapflights users on 10/20. 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.
Wed 12/1012:32 pmTUS - LHR
2 stops16h 08mMultiple Airlines
Mon 12/296:30 amLHR - TUS
2 stops17h 48mMultiple Airlines
Deal found 10/20$815
This FlightHub deal was found by Cheapflights users on 10/19. 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.
Wed 11/267:00 amTUS - LHR
2 stops17h 10mAir Canada
Sun 11/303:00 pmLHR - TUS
2 stops37h 44mAir Canada
Deal found 10/19$818

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 October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$601
(Delta)

One-way from

$374
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$777
Provider with most accurate pricing for Tucson-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Tucson-London Heathrow flights.
Search Deals
From Tucson to London Heathrow
Search Deals
One-way flight from Tucson to London Heathrow
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($221 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 20, 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

Tue 1/6

2:30 pm-12:50 pm

1 stop15h 20m

London Heathrow

Wed 1/14

6:20 am-8:56 pm

2 stops21h 36m

$601

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 1/6

7:00 am-7:50 am

1 stop17h 50m

London Heathrow

Wed 1/14

10:45 am-5:29 pm

1 stop13h 44m

$609

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 2/14

1:40 pm-9:35 pm

3 stops24h 55m

London Heathrow

Sat 2/21

6:40 am-10:04 pm

2 stops22h 24m

$636

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 1/8

1:40 pm-9:00 am

1 stop12h 20m

London Heathrow

Fri 1/23

12:30 pm-11:07 pm

1 stop17h 37m

$659

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 2/14

5:40 pm-7:10 am

2 stops30h 30m

London Heathrow

Mon 2/23

1:25 pm-12:48 pm

2 stops30h 23m

$661

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 1/6

10:41 am-11:20 am

3 stops17h 39m

London Heathrow

Wed 1/14

11:10 am-9:26 pm

2 stops17h 16m

$675

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 11/9

6:00 am-12:50 pm

2 stops23h 50m

$374

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 12/2

10:20 am-7:10 am

2 stops37h 50m

$393

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 11/9

7:00 am-9:40 am

1 stop19h 40m

$399

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 12/2

7:43 am-7:30 am

1 stop16h 47m

$399

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

Compare providers for flights from Tucson to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Tucson to Heathrow in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Tucson-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Tucson-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Tucson-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Tucson-London Heathrow Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Tucson-London Heathrow Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 17, 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, February is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of $298). Flying from Tucson to London Heathrow Airport in December is currently the most expensive (average of $927). 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 October 20, 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
7.9
Good
7,976 reviews

Crew

8.5

Overall

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,976 reviews
Delta
7.9
Good
7,976 reviews

Crew

8.5

Overall

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Scandinavian Airlines
7.4
Good
1,533 reviews
Delta
7.9
Good
7,976 reviews

Crew

8.5

Overall

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,993 reviews
Delta
7.9
Good
7,976 reviews

Crew

8.5

Overall

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,026 reviews
Delta
7.9
Good
7,976 reviews

Crew

8.5

Overall

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,461 reviews
Delta
7.9
Good
7,976 reviews

Crew

8.5

Overall

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 15h 20m. 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 British Airways and United Airlines, starting at $678 and $698 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, February is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of $298). Flying from Tucson to London Heathrow Airport in December is currently the most expensive (average of $927). 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
Ilford
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley

Browse thousands of different options on Cheapflights for your next trip

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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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$298Average$754FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$678Average$885FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$698Average$929FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$705Average$927FlexibilityNo cancel feeOn-time71%
DeltaCheapest$744Average$744FlexibilityNo cancel feeOn-timeN/A

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