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Heathrow

$385+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
Aug 17 — Aug 241
Mon 8/17
Mon 8/24
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 July 18, 2026.

This United Airlines deal was found by Cheapflights users on 7/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:34 pm
TUS
-
LHR
2 stops19h 16m
United Airlines
Thu 11/1211:35 am
LHR
-
TUS
1 stop16h 39m
United Airlines
Deal found 7/18$780
This KAYAK deal was found by Cheapflights users on 7/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:42 am
TUS
-
LHR
2 stops23h 08m
Lufthansa
Wed 11/116:30 am
LHR
-
TUS
2 stops22h 46m
Lufthansa
Deal found 7/18$849
This KAYAK deal was found by Cheapflights users on 7/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:42 am
TUS
-
LHR
2 stops27h 08m
Lufthansa
Thu 11/127:30 pm
LHR
-
TUS
2 stops33h 46m
Lufthansa
Deal found 7/18$869
This Iberia deal was found by Cheapflights users on 7/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:00 am
TUS
-
LHR
1 stop15h 50m
Iberia
Wed 11/47:40 pm
LHR
-
TUS
2 stops20h 59m
Iberia
Deal found 7/13$873
This United Airlines deal was found by Cheapflights users on 7/15. 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 10/2111:11 am
TUS
-
LHR
1 stop12h 34m
United Airlines
Wed 10/286:50 am
LHR
-
TUS
2 stops22h 16m
United Airlines
Deal found 7/15$877
This KLM deal was found by Cheapflights users on 7/13. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3012:30 pm
TUS
-
LHR
1 stop14h 30m
KLM
Tue 12/88:40 am
LHR
-
TUS
2 stops21h 16m
KLM
Deal found 7/13$878
This FlightHub deal was found by Cheapflights users on 7/17. 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 11/49:37 am
TUS
-
LHR
2 stops19h 13m
Multiple Airlines
Wed 11/116:35 am
LHR
-
TUS
2 stops21h 39m
Multiple Airlines
Deal found 7/17$879
This Delta deal was found by Cheapflights users on 7/13. 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.
Wed 10/286:00 am
TUS
-
LHR
2 stops17h 55m
Delta
Wed 11/46:30 am
LHR
-
TUS
2 stops23h 25m
Delta
Deal found 7/13$882
This Air France deal was found by Cheapflights users on 7/15. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/41:27 pm
TUS
-
LHR
1 stop15h 13m
Air France
Wed 11/116:20 am
LHR
-
TUS
2 stops18h 06m
Air France
Deal found 7/15$884

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 July 18, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$780
(United Airlines)

One-way from

$385
(Delta)

Popular in

June

Cheapest in

January

Average price

$1,317
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 ($292 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 18, 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 10/28

6:00 am-6:55 am

2 stops17h 55m

London Heathrow

Wed 11/4

6:30 am-10:55 pm

2 stops23h 25m

$882

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 11/4

7:05 am-7:05 am

2 stops17h 00m

London Heathrow

Wed 11/11

8:40 am-10:56 pm

2 stops21h 16m

$882

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 9/30

11:50 am-11:20 am

1 stop15h 30m

London Heathrow

Fri 10/9

8:40 am-8:58 pm

2 stops20h 18m

$905

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 9/30

1:10 pm-11:10 am

1 stop14h 00m

London Heathrow

Fri 10/9

6:55 am-9:10 pm

2 stops22h 15m

$907
Quickest round-trip

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 11/4

11:47 am-10:30 am

1 stop15h 43m

London Heathrow

Tue 11/10

12:30 pm-10:56 pm

1 stop17h 26m

$907

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 10/26

5:30 am-7:10 am

2 stops18h 40m

London Heathrow

Sun 11/8

9:00 am-9:52 pm

2 stops19h 52m

$933

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 8/18

12:30 pm-11:10 am

1 stop14h 40m

London Heathrow

Tue 9/8

7:25 am-6:39 pm

2 stops19h 14m

$938

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 10/26

7:22 am-12:20 pm

1 stop21h 58m

London Heathrow

Sun 11/8

2:45 pm-10:48 pm

1 stop15h 03m

$939

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 10/30

5:30 am-7:10 am

2 stops18h 40m

London Heathrow

Fri 11/6

1:00 pm-11:06 pm

2 stops41h 06m

$940
Cheapest one-way

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 8/20

12:33 pm-5:35 pm

1 stop21h 02m

$385

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

Showing 1-10 of 17 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 July.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Tucson-London Heathrow Airport flight deals on Cheapflights vs. Ovago >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 Ovago the most. Ovago 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

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 $658). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of $1,442). 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 July 18, 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
10,006 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
United Airlines
7.4
Good
10,006 reviews
United Airlines
7.4
Good
10,006 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
American Airlines
7.1
Good
11,826 reviews
United Airlines
7.4
Good
10,006 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this
British Airways
6.7
Okay
8,122 reviews
United Airlines
7.4
Good
10,006 reviews

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
6.0
Good

ROHIT,Jun 2026

IND - EWR

It should not be delayed by 2 hours. I missed the important event due to this

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 14h. 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 37% 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 $658). Flying from Tucson to London Heathrow Airport in June is currently the most expensive (average of $1,442). 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
Wembley
Harrow
Eastleigh
Dartford
Southend-on-Sea
Watford
Northampton
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton

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 July 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$624Average$986FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$658Average$1,224FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$698Average$1,152FlexibilityNo cancel feeOn-time71%

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