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Cheap flights from London Heathrow Airport to Tucson from £424

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TUS
19 Jun — 26 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Tucson

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Tucson
Explore the most affordable flight options available from Heathrow to Tucson. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 May 2026.

Tue 1/913:40
LHR
-
TUS
1 stop15h 34m
United Airlines
Tue 29/911:05
TUS
-
LHR
1 stop12h 50m
United Airlines
Deal found 19/5£511
Fri 25/914:50
LHR
-
TUS
1 stop13h 20m
United Airlines
Tue 6/1007:01
TUS
-
LHR
1 stop16h 24m
United Airlines
Deal found 17/5£533
Fri 25/913:40
LHR
-
TUS
1 stop15h 32m
United Airlines
Fri 2/1009:39
TUS
-
LHR
1 stop16h 01m
United Airlines
Deal found 17/5£555
Mon 15/611:25
LHR
-
TUS
1 stop16h 47m
United Airlines
Tue 23/606:37
TUS
-
LHR
1 stop17h 18m
United Airlines
Deal found 17/5£599
Sat 26/913:40
LHR
-
TUS
1 stop15h 32m
United Airlines
Fri 2/1011:05
TUS
-
LHR
1 stop12h 50m
United Airlines
Deal found 17/5£618
Mon 15/616:15
LHR
-
TUS
1 stop15h 11m
United Airlines
Fri 26/613:30
TUS
-
LHR
1 stop14h 55m
United Airlines
Deal found 17/5£621
Sun 27/908:55
LHR
-
TUS
1 stop18h 18m
American Airlines
Thu 1/1013:55
TUS
-
LHR
1 stop12h 35m
American Airlines
Deal found 17/5£627
Sun 27/908:55
LHR
-
TUS
1 stop14h 09m
American Airlines
Fri 2/1015:54
TUS
-
LHR
1 stop12h 56m
American Airlines
Deal found 17/5£649
Mon 15/610:00
LHR
-
TUS
1 stop18h 42m
United Airlines
Thu 25/609:04
TUS
-
LHR
1 stop18h 06m
United Airlines
Deal found 17/5£652
Tue 27/1013:45
LHR
-
TUS
2 stops38h 55m
United Airlines
Mon 9/1113:50
TUS
-
LHR
1 stop14h 25m
United Airlines
Deal found 17/5£653

Find flight deals from Heathrow to Tucson

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Tucson (TUS). 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 20 May 2026.

Round-trip from

£511

One-way from

£424

Popular in

July

Cheapest in

April

Average price

£752
United Airlines
  • United Airlines
  • 1/9-29/9
  • 2 total stops
  • 28h 24m total
  • London to Tucson
Search Deals
4/10
  • 4/10
  • 2 total stops
  • 45h 02m total
  • London to Tucson
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£83 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Tucson 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 858,174 searches. Data last updated 20 May 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Tucson that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonTucson

LHR - TUS

LHRTUS

London Heathrow

Tue 27/10

09:10-20:42

2 stops18h 32m

Tucson

Thu 19/11

11:50-07:30

1 stop12h 40m

£740

LondonTucson

LHR - TUS

LHRTUS

London Heathrow

Mon 26/10

08:00-20:42

2 stops19h 42m

Tucson

Mon 16/11

08:30-05:55

1 stop14h 25m

£740
Fastest return journey

LondonTucson

LHR - TUS

LHRTUS

London Heathrow

Thu 22/10

11:25-16:42

1 stop13h 17m

Tucson

Wed 18/11

12:20-07:55

1 stop12h 35m

£770

LondonTucson

LHR - TUS

LHRTUS

London Heathrow

Thu 22/10

11:25-16:42

1 stop13h 17m

Tucson

Tue 17/11

12:20-07:55

1 stop12h 35m

£770

LondonTucson

LHR - TUS

LHRTUS

London Heathrow

Fri 23/10

11:25-16:42

1 stop13h 17m

Tucson

Wed 18/11

12:20-07:55

1 stop12h 35m

£770

LondonTucson

LHR - TUS

LHRTUS

London Heathrow

Sun 25/10

12:05-21:03

1 stop15h 58m

Tucson

Tue 17/11

12:20-07:55

1 stop12h 35m

£770

LondonTucson

LHR - TUS

LHRTUS

London Heathrow

Mon 29/6

11:05-22:11

1 stop19h 06m

Tucson

Mon 6/7

09:04-11:10

1 stop18h 06m

£807

LondonTucson

LHR - TUS

LHRTUS

London Heathrow

Tue 27/10

06:40-21:07

2 stops21h 27m

Tucson

Mon 9/11

13:40-18:50

3 stops22h 10m

£829

LondonTucson

LHR - TUS

LHRTUS

London Heathrow

Mon 1/6

06:30-21:44

2 stops23h 14m

Tucson

Mon 15/6

06:00-13:15

1 stop23h 15m

£888

LondonTucson

LHR - TUS

LHRTUS

London Heathrow

Tue 2/6

12:55-19:59

1 stop15h 04m

Tucson

Thu 11/6

12:29-09:05

1 stop12h 36m

£892

Flights are sorted by cheapest return flights first.

Deals found on 17/5

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Tucson

Have a flexible travel schedule? Discover the best time to fly to Tucson from Heathrow with our price prediction graph.
Estimated return 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 London Heathrow Airport to Tucson

What is the cheapest month to book a flight from London Heathrow Airport to Tucson?

Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Tucson (average of £538). Flying from London Heathrow Airport to Tucson in July is currently the most expensive (average of £907). 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 for a return flight from London Heathrow Airport to Tucson?

Reviews of airlines servicing Tucson

Get insights into the airlines that provide service to Tucson. 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 Tucson. Reviews last updated 20 May 2026.
See what other customers who have flown with Finnair,United Airlines, andLufthansa from London Heathrow Airport to Tucson have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.7
Good
1,396 reviews
Check prices

Boarding

7.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Food

6.7

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.7
Good
1,396 reviews
Finnair
7.7
Good
1,396 reviews
Check prices

Boarding

7.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Food

6.7

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,736 reviews
Finnair
7.7
Good
1,396 reviews
Check prices

Boarding

7.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Food

6.7

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Lufthansa
6.8
Okay
8,015 reviews
Finnair
7.7
Good
1,396 reviews
Check prices

Boarding

7.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Food

6.7

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,989 reviews
Finnair
7.7
Good
1,396 reviews
Check prices

Boarding

7.7

Comfort

7.4

Crew

8.2

Entertainment

6.9

Food

6.7

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Tucson. 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 into for flights to Tucson from London Heathrow?

    If you book a flight to Tucson from London Heathrow, you will be flying to 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 London Heathrow to Tucson per day from 4 different airlines.

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

    Airlines like United Airlines fly from London Heathrow Airport to Tucson in about 18h 32m. The time it takes to get you to your destination can typically vary by up to . The distance between London Heathrow Airport and Tucson is about 5291 mi.

  • What are the cheapest airlines flying from London Heathrow Airport to Tucson round-trip?

    Our cheapest airline available from London Heathrow Airport to Tucson is Lufthansa. Our recent data shows that you can find tickets from as low as £478 on this airline. Additional options worth looking into are United Airlines and British Airways, starting at £489 and £544 round-trip. Lufthansa is 29% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Heathrow to Tucson that include hotel bookings?

    Yes. In addition to deals on Heathrow to Tucson flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Tucson?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Tucson.

  • Can I find deals for business class flights from Heathrow to Tucson?

    Yes. Cheapflights offers flight deals from Heathrow to Tucson 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 London Heathrow Airport to Tucson?

    Currently, April is the cheapest month in which you can book a flight from London Heathrow Airport to Tucson (average of £538). Flying from London Heathrow Airport to Tucson in July is currently the most expensive (average of £907). 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

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 4 airlines flying from Heathrow to Tucson

Discover the top 4 airlines that operate flights from Heathrow to Tucson. 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 858,174 searches. Data last updated 20 May 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest£478Average£606FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£489Average£665FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£544Average£667FlexibilityNo cancel feeOn-time70%
Search British Airways flights
FinnairCheapest£545Average£616FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Tucson?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Tucson. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Tucson?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Tucson for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to Tucson with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to Tucson with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to Tucson become cheaper?

Not ready to book yet? You can track prices for flights from Heathrow to Tucson on Cheapflights with our Price Alert feature and get notified when better prices are available.

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