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$349+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LHR
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
1 adult, Economy
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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 July 2, 2025.

Round-trip from

$674
(SmartFares)

One-way from

$349
(United Airlines)

Popular in

June

Cheapest in

February

Average price

$982
From Tucson to London Heathrow
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One-way flight from Tucson to London Heathrow
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Highest demand for flights based on searches. 18% potential increase in price ($198 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 2, 2025.

This SmartFares deal was found by Cheapflights users on 6/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/311:50 amTUS - LHR
1 stop14h 10mVirgin Atlantic
Tue 8/199:55 amLHR - TUS
1 stop18h 39mVirgin Atlantic
Deal found 6/30$674
This Orbitz deal was found by Cheapflights users on 7/1. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/191:25 pmTUS - LHR
2 stops33h 05mMultiple Airlines
Tue 8/268:05 pmLHR - TUS
2 stops32h 13mMultiple Airlines
Deal found 7/1$684
This Cheapflightsfares deal was found by Cheapflights users on 6/30. 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 9/112:18 pmTUS - LHR
1 stop12h 52mBritish Airways
Tue 9/308:20 amLHR - TUS
1 stop14h 40mBritish Airways
Deal found 6/30$686
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 7/191:25 pmTUS - LHR
2 stops36h 35mUnited Airlines
Wed 9/1712:40 pmLHR - TUS
2 stops30h 03mUnited Airlines
Deal found 7/1$692
This Iberia deal was found by Cheapflights users on 7/1. 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.
Sat 7/193:38 pmTUS - LHR
1 stop35h 12mIberia
Wed 9/176:30 amLHR - TUS
2 stops21h 09mIberia
Deal found 7/1$696
This Air Canada deal was found by Cheapflights users on 7/1. 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.
Mon 8/44:30 pmTUS - LHR
2 stops30h 00mAir Canada
Tue 9/305:40 pmLHR - TUS
2 stops29h 25mAir Canada
Deal found 7/1$704
This Delta deal was found by Cheapflights users on 6/30. 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.
Sun 8/34:26 pmTUS - LHR
1 stop14h 09mDelta
Tue 8/196:15 amLHR - TUS
2 stops22h 19mDelta
Deal found 6/30$706
This Ovago deal was found by Cheapflights users on 6/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:30 pmTUS - LHR
1 stop12h 10mLufthansa
Tue 12/306:35 amLHR - TUS
2 stops22h 07mLufthansa
Deal found 6/30$763

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 2, 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

Sun 8/3

11:50 am-10:00 am

1 stop14h 10m

London Heathrow

Tue 8/19

9:55 am-8:34 pm

1 stop18h 39m

$674

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 7/19

1:25 pm-6:30 am

2 stops33h 05m

London Heathrow

Tue 8/26

8:05 pm-8:18 pm

2 stops32h 13m

$684

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 9/1

12:18 pm-9:10 am

1 stop12h 52m

London Heathrow

Tue 9/30

8:20 am-3:00 pm

1 stop14h 40m

$686

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 7/19

1:25 pm-10:00 am

2 stops36h 35m

London Heathrow

Wed 9/17

12:40 pm-10:43 am

2 stops30h 03m

$692

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 7/19

3:38 pm-10:50 am

1 stop35h 12m

London Heathrow

Wed 9/17

6:30 am-7:39 pm

2 stops21h 09m

$696

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 8/4

4:30 pm-6:30 am

2 stops30h 00m

London Heathrow

Tue 9/30

5:40 pm-3:05 pm

2 stops29h 25m

$704

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 8/3

4:26 pm-2:35 pm

1 stop14h 09m

London Heathrow

Tue 8/19

6:15 am-8:34 pm

2 stops22h 19m

$706

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 12/24

2:30 pm-9:40 am

1 stop12h 10m

London Heathrow

Tue 12/30

6:35 am-9:42 pm

2 stops22h 07m

$763

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 9/20

1:30 pm-6:30 am

3 stops33h 00m

$349

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 9/20

4:00 pm-6:25 am

1 stop30h 25m

$350

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 16 results
1
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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 June 27, 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 $1,098). 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 2, 2025.
Get a feel of what it's like to fly with Delta, KLM, 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
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,975 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,366 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,861 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Virgin Atlantic
7.4
Good
654 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,975 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Virgin Atlantic. Our recent data shows that you can find tickets from as low as $674 on this airline. Additional options worth looking into are British Airways and United Airlines, starting at $686 and $692 round-trip. These flights start at 24% 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?

    $349 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on British Airways and Air Canada, with prices starting from $350 and $351, 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 $1,098). 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?

Book flights to Tucson if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
Stratford-upon-Avon
Gatwick
Orpington
Watford
Northampton
Croydon
Folkestone
Borehamwood
Broadway
Aylesbury
Chelmsford
Brentwood
Chichester
Swindon

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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$298Average$754FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$605Average$787FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$613Average$875FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$682Average$900FlexibilityNo cancel feeOn-time70%
DeltaCheapest$696Average$744FlexibilityNo cancel feeOn-timeN/A

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