What is the cheapest airline that flies from Tucson to London Heathrow?

KLM, Delta, and Lufthansa are the most popular carriers operating from Tucson to London Heathrow

What airlines fly to London Heathrow Airport?

British Airways, United Airlines and American Airlines are the top three most popular airlines that fly to London Heathrow Airport from Tucson according to our data. British Airways is the first choice among our users, with 37% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Tucson Airport to London Heathrow Airport?

Prices for flights from Tucson Airport to London Heathrow Airport refresh daily.

How many operators does momondo search for flights from Tucson Airport to London Heathrow Airport?

The number of operators available for flights from Tucson Airport to London Heathrow Airport is 3 as of March 2026.

How old do you have to be to fly from Tucson Airport to London Heathrow Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Tucson Airport to London Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$309 Cheap Flights from Tucson to London Heathrow Airport in 2026

Q: What is the typical price of a round-trip flight between Tucson and London Heathrow Airport?

Prices are currently high for flights on this route. Typical prices usually range from $662 to $770. The lowest price recently found on this route was $789.

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Find the cheapest flights from Tucson to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:28 pm - 10:40 pm

TUS

LHR

23h 12m

2 stops

6:55 am - 5:04 pm

LHR

TUS

18h 09m

2 stops

$789Lufthansa

Wed, Aug 5 - Wed, Aug 19

1:29 pm - 4:40 pm

TUS

LHR

19h 11m

2 stops

7:40 am - 9:42 pm

LHR

TUS

21h 02m

2 stops

$798Lufthansa

Mon, Aug 24 - Tue, Nov 17

5:45 am - 12:20 pm

TUS

LHR

22h 35m

1 stop

6:55 am - 5:04 pm

LHR

TUS

18h 09m

2 stops

$827United Airlines

Wed, Aug 5 - Wed, Aug 19

9:04 am - 1:20 pm

TUS

LHR

20h 16m

2 stops

9:30 am - 12:27 pm

LHR

TUS

34h 57m

2 stops

$836Air Canada

Tue, Aug 4 - Fri, Aug 21

9:30 am - 12:20 pm

TUS

LHR

18h 50m

1 stop

7:30 am - 9:42 pm

LHR

TUS

21h 12m

2 stops

$838United Airlines

Sun, Aug 23 - Fri, Nov 20

5:40 am - 6:30 am

TUS

LHR

16h 50m

2 stops

2:05 pm - 12:27 pm

LHR

TUS

30h 22m

2 stops

$839Air Canada

Tue, Aug 25 - Tue, Sep 15

1:30 pm - 12:20 pm

TUS

LHR

14h 50m

1 stop

5:40 pm - 5:04 pm

LHR

TUS

31h 24m

2 stops

$841United Airlines

Tue, Aug 4 - Wed, Aug 19

3:25 pm - 11:10 am

TUS

LHR

35h 45m

1 stop

9:30 am - 9:42 pm

LHR

TUS

19h 12m

2 stops

$843United Airlines

Sat, Aug 22 - Wed, Nov 18

12:35 pm - 7:40 pm

TUS

LHR

23h 05m

2 stops

9:00 am - 11:17 pm

LHR

TUS

22h 17m

2 stops

$844Lufthansa

Wed, Apr 22 - Wed, Apr 29

1:29 pm - 6:30 am

TUS

LHR

33h 01m

2 stops

2:05 pm - 12:27 pm

LHR

TUS

30h 22m

2 stops

$845Air Canada

Sat, Aug 22 - Wed, Sep 16

British Airways flights from Tucson to London Heathrow Airport

Our best British Airways deals on Tucson to London Heathrow Airport flight tickets

British Airways

Aug 5

TUS6:20 pmTucson

12h 45m

1 stop

LHR3:05 pmLondon Heathrow

Aug 19

LHR4:25 pmLondon Heathrow

14h 40m

1 stop

TUS11:05 pmTucson

$851

British Airways

Aug 23

TUS7:10 amTucson

17h 50m

1 stop

LHR9:00 amLondon Heathrow

Nov 16

LHR7:15 pmLondon Heathrow

30h 56m

2 stops

TUS7:11 pmTucson

$859

British Airways

Aug 14

TUS6:20 pmTucson

12h 45m

1 stop

LHR3:05 pmLondon Heathrow

Sep 2

LHR10:05 amLondon Heathrow

17h 08m

1 stop

TUS7:13 pmTucson

$901

Air Canada flights from Tucson to London Heathrow Airport

Our best Air Canada deals on Tucson to London Heathrow Airport flight tickets

Air Canada

Aug 4

TUS9:04 amTucson

20h 16m

2 stops

LHR1:20 pmLondon Heathrow

Aug 19

LHR2:05 pmLondon Heathrow

34h 59m

2 stops

TUS5:04 pmTucson

$836

Air Canada

Aug 25

TUS5:40 amTucson

16h 50m

2 stops

LHR6:30 amLondon Heathrow

Sep 16

LHR2:05 pmLondon Heathrow

30h 22m

2 stops

TUS12:27 pmTucson

$839

Air Canada

Aug 22

TUS1:29 pmTucson

33h 01m

2 stops

LHR6:30 amLondon Heathrow

Sep 16

LHR2:05 pmLondon Heathrow

30h 22m

2 stops

TUS12:27 pmTucson

$845

momondo Fare Finder

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 8/5

3:28 pm-10:40 pm

2 stops23h 12m

London Heathrow

Wed 8/19

6:55 am-5:04 pm

2 stops18h 09m

$789

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Mon 8/24

1:29 pm-4:40 pm

2 stops19h 11m

London Heathrow

Tue 11/17

7:40 am-9:42 pm

2 stops21h 02m

$798

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 8/5

5:45 am-12:20 pm

1 stop22h 35m

London Heathrow

Wed 8/19

6:55 am-5:04 pm

2 stops18h 09m

$827

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 8/4

9:04 am-1:20 pm

2 stops20h 16m

London Heathrow

Fri 8/21

9:30 am-12:27 pm

2 stops34h 57m

$836

Quickest round-trip

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 8/23

9:30 am-12:20 pm

1 stop18h 50m

London Heathrow

Fri 11/20

7:30 am-9:42 pm

2 stops21h 12m

$838

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 8/25

5:40 am-6:30 am

2 stops16h 50m

London Heathrow

Tue 9/15

2:05 pm-12:27 pm

2 stops30h 22m

$839

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 8/4

1:30 pm-12:20 pm

1 stop14h 50m

London Heathrow

Wed 8/19

5:40 pm-5:04 pm

2 stops31h 24m

$841

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 8/22

3:25 pm-11:10 am

1 stop35h 45m

London Heathrow

Wed 11/18

9:30 am-9:42 pm

2 stops19h 12m

$843

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 4/22

12:35 pm-7:40 pm

2 stops23h 05m

London Heathrow

Wed 4/29

9:00 am-11:17 pm

2 stops22h 17m

$844

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 8/22

1:29 pm-6:30 am

2 stops33h 01m

London Heathrow

Wed 9/16

2:05 pm-12:27 pm

2 stops30h 22m

$845

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Tucson to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Tucson and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Tucson, with most prices found around $657. If you’re not able to fly to London Heathrow Airport in January, then November is your next best option. Flight prices from Tucson to London Heathrow Airport during November average around $713.

How far in advance should I book a flight to London Heathrow Airport?

You are more likely to see cheaper flights to London Heathrow Airport from Tucson when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $848 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Tucson for as low as $686 on momondo.

Can stopping save me money on Tucson to London Heathrow Airport flights?

You could potentially save up to 27% on your flight if you consider stops on a Tucson to London Heathrow Airport flight.

When to book flights from Tucson to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Tucson to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Tucson to London Heathrow Airport (TUS to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tucson to London Heathrow Airport

Fastest flight time	14h 30m
Direct flights	None

The fastest flight from Tucson to London Heathrow Airport takes 14h 30m

There are no direct flights from Tucson to London Heathrow Airport. There are no popular flight routes from Tucson to London Heathrow Airport.

Search flight deals

How far is Tucson to London Heathrow by plane?
The distance between Tucson and London Heathrow is about 5285.8 mi. Flights usually cover this in 14h 30m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Tucson Airport to London Heathrow Airport?
Prices for flights from Tucson Airport to London Heathrow Airport refresh daily.
How many operators does momondo search for flights from Tucson Airport to London Heathrow Airport?
The number of operators available for flights from Tucson Airport to London Heathrow Airport is 3 as of March 2026.
How old do you have to be to fly from Tucson Airport to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Tucson Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The necessary travel and health documents for your London Heathrow Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Tucson to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from Tucson to London Heathrow Airport is British Airways, representing 37% of all bookings. The subsequent popular airlines are United Airlines at 35% and American Airlines at 28%.

Best airlines flying from Tucson to London Heathrow Airport

Compare and see reviews for airlines that fly from Tucson to London Heathrow Airport with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $624	Free Cancellation	Rating 6.7 7,813 reviews	Search British Airways flights
United Airlines	PriceFrom $656	Free Cancellation	Rating 7.4 9,469 reviews	Search United Airlines flights
American Airlines	PriceFrom $698	Free Cancellation	Rating 7.1 11,492 reviews	Search American Airlines flights

Gatwick

Hounslow

Milton Keynes

Luton

Dover

Crawley

Slough

Stratford-upon-Avon

Wembley

Hayes

Croydon

Dartford

Brentwood

Guildford

Harrow

Cobham

Folkestone

Romford

Stansted

Watford

Why use momondo?

Why should I use momondo to find a flight deal from Tucson to London?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Tucson to London. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Tucson to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Tucson which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Tucson to London?

momondo provides multiple filters to help you find the best flight to London from Tucson. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Tucson to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Tucson are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in the United Kingdom

Flights to London Gatwick Airportfrom $424

Flights to London City Airportfrom $617

Flights to London Stansted Airportfrom $436

Flights to London Luton Airportfrom $444

Flights to Glasgow Intl Airportfrom $524

Flights to Belfast Intl Airport

Flights to London Southend Airportfrom $723

Flights to Belfast City Airportfrom $711

Cheap flights from Tucson to London from $309

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Tucson to London departing on 8/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Find the cheapest flights from Tucson to London

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British Airways flights from Tucson to London Heathrow Airport

Our best British Airways deals on Tucson to London Heathrow Airport flight tickets

Air Canada flights from Tucson to London Heathrow Airport

Our best Air Canada deals on Tucson to London Heathrow Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Tucson to London Heathrow Airport that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Tucson to London Heathrow Airport

What is the typical price of a round-trip flight between Tucson and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

How far in advance should I book a flight to London Heathrow Airport?

Can stopping save me money on Tucson to London Heathrow Airport flights?

What is the cheapest airline that flies from Tucson to London Heathrow?

What airlines fly to London Heathrow Airport?

When to book flights from Tucson to London Heathrow Airport

Cheap Tucson to London Heathrow Airport (TUS to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Tucson to London Heathrow Airport

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Direct flights

Best airlines flying from Tucson to London Heathrow Airport

Compare and see reviews for airlines that fly from Tucson to London Heathrow Airport with momondo

Traveling to a place near London?

Why use momondo?

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to London

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Popular flights according to clicks in the last 7 days on momondo

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London Heathrow Airport flight routes

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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