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$399+ 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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
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

Cheap 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 December 8, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/6. 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.
Tue 12/161:43 pmTUS - LHR
1 stop13h 42mBritish Airways
Fri 12/263:00 pmLHR - TUS
1 stop15h 56mBritish Airways
Deal found 12/6$1,031
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/177:35 amTUS - LHR
1 stop16h 55mUnited Airlines
Sun 12/2112:05 pmLHR - TUS
1 stop17h 03mUnited Airlines
Deal found 12/7$1,091
This United Airlines deal was found by Cheapflights users on 12/7. 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 12/177:35 amTUS - LHR
1 stop16h 55mUnited Airlines
Thu 12/257:40 amLHR - TUS
2 stops21h 18mUnited Airlines
Deal found 12/7$1,096
This Virgin Atlantic deal was found by Cheapflights users on 12/7. 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.
Wed 12/175:50 pmTUS - LHR
1 stop16h 00mVirgin Atlantic
Sun 12/2111:40 amLHR - TUS
2 stops18h 40mVirgin Atlantic
Deal found 12/7$1,194
This Delta deal was found by Cheapflights users on 12/6. 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 12/166:00 amTUS - LHR
2 stops19h 45mDelta
Fri 12/268:40 amLHR - TUS
2 stops20h 40mDelta
Deal found 12/6$1,372
This Expedia deal was found by Cheapflights users on 12/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/212:40 pmTUS - LHR
1 stop12h 00mMultiple Airlines
Mon 1/55:20 pmLHR - TUS
2 stops34h 32mMultiple Airlines
Deal found 12/6$1,657
This United Airlines deal was found by Cheapflights users on 12/6. 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.
Sun 12/212:40 pmTUS - LHR
1 stop12h 00mUnited Airlines
Mon 1/510:00 amLHR - TUS
1 stop19h 08mUnited Airlines
Deal found 12/6$1,891
This Finnair deal was found by Cheapflights users on 12/8. 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.
Fri 12/1912:29 pmTUS - LHR
1 stop13h 06mMultiple Airlines
Sat 1/38:20 amLHR - TUS
1 stop14h 36mMultiple Airlines
Deal found 12/8$2,291

Find 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 December 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$597
(Cheapflightsfares)

One-way from

$399
(United Airlines)

Popular in

June

Cheapest in

November

Average price

$1,011
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. 22% potential increase in price ($249 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 8, 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

Thu 2/19

2:42 pm-9:40 am

1 stop11h 58m

London Heathrow

Thu 2/26

8:30 am-9:41 pm

2 stops20h 11m

$607

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 2/14

7:02 am-12:00 pm

1 stop21h 58m

London Heathrow

Mon 2/23

6:30 am-9:31 pm

2 stops22h 01m

$607

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 2/19

7:15 am-7:55 am

1 stop17h 40m

London Heathrow

Thu 2/26

12:05 pm-10:59 pm

2 stops41h 54m

$627

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 1/21

5:35 pm-9:40 am

1 stop33h 05m

London Heathrow

Wed 1/28

6:35 am-10:00 am

2 stops34h 25m

$628

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 1/20

8:15 am-10:10 am

2 stops18h 55m

London Heathrow

Tue 1/27

6:30 am-6:07 pm

2 stops18h 37m

$630

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 2/19

12:04 pm-5:40 pm

2 stops22h 36m

London Heathrow

Thu 2/26

6:40 am-11:01 pm

2 stops23h 21m

$631

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 2/14

7:15 am-9:00 am

2 stops18h 45m

London Heathrow

Mon 2/23

6:30 am-11:01 pm

2 stops23h 31m

$633

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 2/22

1:05 pm-10:15 am

1 stop14h 10m

$399

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 2/22

6:30 am-11:20 am

2 stops21h 50m

$405

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 2/22

1:05 pm-10:20 pm

2 stops26h 15m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

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 December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Tucson-London Heathrow Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 5, 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 June is currently the most expensive (average of $802). 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 December 8, 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
8,011 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,011 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Scandinavian Airlines
7.4
Good
1,597 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,078 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,042 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,564 reviews
Delta
7.9
Good
8,011 reviews

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 11h 58m. 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 Delta and United Airlines, starting at $608 and $656 round-trip. These flights start at 66% 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 June is currently the most expensive (average of $802). 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
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Wembley

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 December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$298Average$747FlexibilityNo cancel feeOn-time77%
DeltaCheapest$608Average$744FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$656Average$1,001FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$677Average$811FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$700Average$878FlexibilityNo cancel feeOn-time71%

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