Heathrow

$464+ 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
Apr 27 — May 41
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Find cheap flights from Tucson to Heathrow with Cheapflights

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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 April 22, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$849
(United Airlines)

One-way from

$464
(StudentUniverse)

Popular in

June

Cheapest in

February

Average price

$789
Provider with most accurate pricing for Tucson-London Heathrow flight deals.
Provider most trusted by Cheapflights users for Tucson-London Heathrow flights.
From Tucson to London Heathrow
One-way flight from Tucson to London Heathrow
Highest demand for flights based on searches. 22% potential increase in price ($266 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($53 potential savings vs. average RT price).
Average for round-trip flights in April 2025

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 April 22, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/21. 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 8/113:46 pmTUS - LHR
1 stop14h 39mBritish Airways
Thu 8/2112:00 pmLHR - TUS
1 stop15h 06mBritish Airways
Deal found 4/21$755
This United Airlines deal was found by Cheapflights users on 4/21. 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 9/24:16 pmTUS - LHR
1 stop12h 04mUnited Airlines
Fri 9/122:05 pmLHR - TUS
2 stops30h 23mUnited Airlines
Deal found 4/21$764
This Justfly.com deal was found by Cheapflights users on 4/22. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/114:30 pmTUS - LHR
2 stops33h 30mAir Canada
Thu 8/219:30 amLHR - TUS
2 stops34h 58mAir Canada
Deal found 4/22$770
This Air Canada deal was found by Cheapflights users on 4/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:00 amTUS - LHR
3 stops16h 30mMultiple Airlines
Fri 9/129:30 amLHR - TUS
2 stops18h 48mMultiple Airlines
Deal found 4/21$793
This Delta deal was found by Cheapflights users on 4/21. 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 9/306:00 amTUS - LHR
1 stop23h 30mDelta
Sat 10/111:05 pmLHR - TUS
1 stop16h 49mDelta
Deal found 4/21$837
This Scandinavian Airlines deal was found by Cheapflights users on 4/21. 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.
Mon 8/1112:00 pmTUS - LHR
3 stops25h 35mScandinavian Airlines
Thu 8/216:40 amLHR - TUS
2 stops22h 28mScandinavian Airlines
Deal found 4/21$892
This Expedia deal was found by Cheapflights users on 4/21. 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.
Tue 7/11:30 pmTUS - LHR
1 stop13h 20mIberia
Tue 9/3011:30 amLHR - TUS
2 stops19h 17mIberia
Deal found 4/21$995
This KLM deal was found by Cheapflights users on 4/21. 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 5/81:10 pmTUS - LHR
1 stop16h 20mKLM
Fri 5/306:30 amLHR - TUS
2 stops17h 20mKLM
Deal found 4/21$996
This Virgin Atlantic deal was found by Cheapflights users on 4/21. 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.
Fri 5/95:50 amTUS - LHR
2 stops16h 55mVirgin Atlantic
Fri 5/308:40 amLHR - TUS
2 stops19h 51mVirgin Atlantic
Deal found 4/21$1,001

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 April 22, 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

3:46 pm-2:25 pm

1 stop14h 39m

London Heathrow

Thu 8/21

12:00 pm-7:06 pm

1 stop15h 06m

$755

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 9/2

4:16 pm-12:20 pm

1 stop12h 04m

London Heathrow

Fri 9/12

2:05 pm-12:28 pm

2 stops30h 23m

$764

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 8/11

4:30 pm-10:00 am

2 stops33h 30m

London Heathrow

Thu 8/21

9:30 am-12:28 pm

2 stops34h 58m

$770

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 9/2

6:00 am-6:30 am

3 stops16h 30m

London Heathrow

Fri 9/12

9:30 am-8:18 pm

2 stops18h 48m

$793

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 9/30

6:00 am-1:30 pm

1 stop23h 30m

London Heathrow

Sat 10/11

1:05 pm-9:54 pm

1 stop16h 49m

$837

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 8/11

12:00 pm-9:35 pm

3 stops25h 35m

London Heathrow

Thu 8/21

6:40 am-9:08 pm

2 stops22h 28m

$892

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 7/1

1:30 pm-10:50 am

1 stop13h 20m

London Heathrow

Tue 9/30

11:30 am-10:47 pm

2 stops19h 17m

$995

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 5/8

1:10 pm-1:30 pm

1 stop16h 20m

London Heathrow

Fri 5/30

6:30 am-3:50 pm

2 stops17h 20m

$996

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 5/9

5:50 am-6:45 am

2 stops16h 55m

London Heathrow

Fri 5/30

8:40 am-8:31 pm

2 stops19h 51m

$1,001

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 5/13

12:37 pm-1:25 pm

2 stops16h 48m

$464

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 16 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
ExpediaPrice Accuracy1 starTrust Score*3 stars

*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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Tucson-London Heathrow Airport flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 18, 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 $1,110). 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 April 22, 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.
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 United Airlines. Our recent data shows that you can find tickets from as low as $849 on this airline. Additional options worth looking into are Air Canada and Delta, starting at $915 and $951 round-trip. These flights start at 6% 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?

    $464 is the cheapest one-way deal found within the past few days, from Aer Lingus. You may also be able to find cheap deals on Delta and Air Canada, with prices starting from $488 and $495, 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 $1,110). 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?

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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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$298Average$754FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$605Average$793FlexibilityNo cancel feeOn-time69%
DeltaCheapest$641Average$744FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$646Average$829FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$682Average$840FlexibilityNo cancel feeOn-time70%

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