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Heathrow

$329+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
Jun 24 — Jul 11
Wed 6/24
Wed 7/1
1 adult, Economy
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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 May 25, 2026.

This KAYAK deal was found by Cheapflights users on 5/22. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:30 pm
TUS
-
LHR
1 stop34h 55m
Lufthansa
Fri 9/117:25 am
LHR
-
TUS
2 stops21h 45m
Lufthansa
Deal found 5/22$798
This Scandinavian Airlines deal was found by Cheapflights users on 5/20. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/812:00 pm
TUS
-
LHR
2 stops44h 00m
Scandinavian Airlines
Fri 9/116:40 am
LHR
-
TUS
2 stops22h 57m
Scandinavian Airlines
Deal found 5/20$835
This Cheapflightsfares deal was found by Cheapflights users on 5/23. 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.
Wed 10/2810:50 am
TUS
-
LHR
1 stop13h 40m
Lufthansa
Wed 11/47:40 am
LHR
-
TUS
2 stops21h 02m
Lufthansa
Deal found 5/23$864
This Expedia deal was found by Cheapflights users on 5/24. 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.
Wed 9/164:47 pm
TUS
-
LHR
1 stop16h 48m
Virgin Atlantic
Tue 9/298:40 am
LHR
-
TUS
2 stops44h 59m
Virgin Atlantic
Deal found 5/24$870
This Cheapflightsfares deal was found by Cheapflights users on 5/24. 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.
Wed 9/1612:30 pm
TUS
-
LHR
1 stop17h 40m
Lufthansa
Wed 9/309:30 am
LHR
-
TUS
2 stops18h 40m
Lufthansa
Deal found 5/24$875
This Delta deal was found by Cheapflights users on 5/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:54 am
TUS
-
LHR
1 stop16h 16m
Delta
Tue 9/86:30 am
LHR
-
TUS
2 stops22h 38m
Delta
Deal found 5/20$878
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:15 am
TUS
-
LHR
2 stops22h 25m
Lufthansa
Tue 9/88:25 pm
LHR
-
TUS
2 stops28h 38m
Lufthansa
Deal found 5/20$882

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 May 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$756
(KAYAK)

One-way from

$329
(oojo)

Popular in

June

Cheapest in

January

Average price

$1,109
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. 27% potential increase in price ($344 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 25, 2026.
Use the filters below to find and compare flights from Tucson to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 9/16

11:16 am-1:15 pm

2 stops17h 59m

London Heathrow

Tue 9/29

8:40 am-8:56 pm

2 stops20h 16m

$884

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 10/28

12:40 pm-11:40 am

1 stop16h 00m

London Heathrow

Wed 11/4

6:20 am-5:26 pm

2 stops18h 06m

$885

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 10/12

9:39 am-12:25 pm

1 stop18h 46m

London Heathrow

Fri 10/16

2:05 pm-12:23 pm

2 stops30h 18m

$887

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 8/18

12:29 pm-4:00 pm

2 stops43h 31m

London Heathrow

Thu 11/12

7:30 pm-10:56 pm

2 stops34h 26m

$924

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 9/24

6:00 am-6:25 am

1 stop16h 25m

London Heathrow

Fri 10/9

6:30 am-4:17 pm

2 stops17h 47m

$929

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 9/18

12:29 pm-1:05 pm

2 stops16h 36m

London Heathrow

Sat 10/3

6:30 am-9:59 pm

2 stops23h 29m

$983

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 10/28

5:10 pm-9:35 pm

3 stops21h 25m

London Heathrow

Wed 11/4

7:05 am-10:56 pm

3 stops22h 51m

$1,008
Quickest round-trip

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 8/18

12:23 pm-10:30 am

1 stop14h 07m

London Heathrow

Sat 8/29

8:55 am-6:07 pm

1 stop17h 12m

$1,009

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 10/1

6:29 am-10:20 am

2 stops19h 51m

London Heathrow

Sat 10/10

8:20 am-9:56 pm

2 stops21h 36m

$1,012

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 7/21

1:30 pm-9:40 am

1 stop12h 10m

London Heathrow

Tue 7/28

2:05 pm-8:12 pm

2 stops38h 07m

$1,045

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/20

Showing 1-10 of 20 resultsSorted by cheapest first
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 May.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust 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 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?

The best time to book flights from Tucson to London Heathrow Airport is 90 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, January is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of $657). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of $1,439). 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 May 25, 2026.
Get a feel of what it's like to fly with United Airlines,American Airlines, andBritish Airways 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.
United Airlines
7.4
Good
9,747 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
United Airlines
7.4
Good
9,747 reviews
United Airlines
7.4
Good
9,747 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
American Airlines
7.1
Good
11,630 reviews
United Airlines
7.4
Good
9,747 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.
British Airways
6.7
Okay
8,004 reviews
United Airlines
7.4
Good
9,747 reviews

Comfort

7.3

Boarding

7.7

Crew

8.1

Entertainment

7.1

Food

6.6

Overall

7.4

Reviews

1 / 20
4.0
Okay

Dynasty,May 2026

LAX - EWR

The food wasn’t nice - Hosts were not that kind.

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 3 different airlines.

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

    Departing from Tucson to London Heathrow Airport will take you 17h 59m. 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 British Airways. Our recent data shows that you can find tickets from as low as $624 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $658 and $698 round-trip. These flights start at 30% 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, January is the cheapest month in which you can book a flight from Tucson to London Heathrow Airport (average of $657). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of $1,439). 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
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Northampton
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Tucson to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Sky Harbor Intl to Heathrow flights
Las Vegas to Heathrow flights
Las Vegas to Gatwick flights
Las Vegas to Stansted flights
Las Vegas to Luton flights

Top 3 airlines flying from Tucson to Heathrow

Discover the top 3 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 May 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$624Average$880FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$658Average$1,139FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$698Average$1,079FlexibilityNo cancel feeOn-time71%

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