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

British Airways and Delta 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 May 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.

$334 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 low for flights on this route. Typical prices usually range from $1,229 to $904. The lowest price recently found on this route was $854.

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Find the cheapest flights from Tucson to London

Round-trip

One-way

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Cheap round-trip flights

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1:29 pm - 10:00 am

TUS

LHR

36h 31m

2 stops

7:30 am - 8:43 pm

LHR

TUS

21h 13m

2 stops

$854United Airlines

Tue, Sep 8 - Fri, Sep 11

1:29 pm - 11:35 am

TUS

LHR

38h 06m

2 stops

7:30 am - 8:43 pm

LHR

TUS

21h 13m

2 stops

$860United Airlines

Tue, Sep 8 - Fri, Sep 11

3:25 pm - 8:45 pm

TUS

LHR

21h 20m

2 stops

6:55 am - 5:04 pm

LHR

TUS

18h 09m

2 stops

$874Lufthansa

Tue, Aug 18 - Wed, Aug 26

11:50 am - 12:10 pm

TUS

LHR

16h 20m

1 stop

8:40 am - 10:56 pm

LHR

TUS

21h 16m

2 stops

$880Delta

Tue, Aug 18 - Thu, Nov 12

11:20 am - 12:00 pm

TUS

LHR

17h 40m

1 stop

11:10 am - 12:35 am

LHR

TUS

20h 25m

2 stops

$881United Airlines

Wed, Oct 28 - Wed, Nov 4

5:40 am - 6:30 am

TUS

LHR

16h 50m

2 stops

6:35 am - 7:25 pm

LHR

TUS

19h 50m

2 stops

$883United Airlines

Tue, Aug 18 - Thu, Nov 12

5:40 am - 6:30 am

TUS

LHR

16h 50m

2 stops

6:35 am - 7:25 pm

LHR

TUS

19h 50m

2 stops

$884United Airlines

Tue, Aug 18 - Thu, Nov 12

10:50 am - 11:05 am

TUS

LHR

17h 15m

2 stops

6:35 am - 7:25 pm

LHR

TUS

19h 50m

2 stops

$885United Airlines

Wed, Oct 28 - Wed, Nov 4

6:00 am - 6:30 pm

TUS

LHR

29h 30m

3 stops

6:40 am - 10:56 pm

LHR

TUS

23h 16m

2 stops

$886Scandinavian Airlines

Fri, Oct 30 - Fri, Nov 6

9:37 am - 10:55 am

TUS

LHR

17h 18m

1 stop

7:30 am - 11:56 pm

LHR

TUS

23h 26m

2 stops

$896British Airways

Tue, Aug 18 - Thu, Nov 12

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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 18

TUS5:40 amTucson

16h 50m

2 stops

LHR6:30 amLondon Heathrow

Nov 12

LHR3:00 pmLondon Heathrow

34h 15m

2 stops

TUS6:15 pmTucson

$897

Air Canada

Jul 19

TUS5:45 amTucson

16h 45m

2 stops

LHR6:30 amLondon Heathrow

Sep 15

LHR3:05 pmLondon Heathrow

33h 59m

2 stops

TUS5:04 pmTucson

$949

Air Canada

Jul 19

TUS5:45 amTucson

16h 45m

2 stops

LHR6:30 amLondon Heathrow

Sep 11

LHR9:30 amLondon Heathrow

39h 34m

2 stops

TUS5:04 pmTucson

$952

KLM flights from Tucson to London Heathrow Airport

Our best KLM deals on Tucson to London Heathrow Airport flight tickets

KLM

Aug 27

TUS11:50 amTucson

19h 45m

1 stop

LHR3:35 pmLondon Heathrow

Sep 1

LHR6:30 amLondon Heathrow

17h 47m

2 stops

TUS4:17 pmTucson

$920

KLM

Jul 19

TUS11:53 amTucson

19h 42m

1 stop

LHR3:35 pmLondon Heathrow

Sep 14

LHR6:30 amLondon Heathrow

17h 47m

2 stops

TUS4:17 pmTucson

$991

KLM

May 10

TUS1:25 pmTucson

13h 55m

1 stop

LHR11:20 amLondon Heathrow

May 17

LHR6:30 amLondon Heathrow

17h 34m

2 stops

TUS4:04 pmTucson

$1,122

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

Tue 9/8

1:29 pm-10:00 am

2 stops36h 31m

London Heathrow

Fri 9/11

7:30 am-8:43 pm

2 stops21h 13m

$854

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 9/8

1:29 pm-11:35 am

2 stops38h 06m

London Heathrow

Fri 9/11

7:30 am-8:43 pm

2 stops21h 13m

$860

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 8/18

3:25 pm-8:45 pm

2 stops21h 20m

London Heathrow

Wed 8/26

6:55 am-5:04 pm

2 stops18h 09m

$874

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 8/18

11:50 am-12:10 pm

1 stop16h 20m

London Heathrow

Thu 11/12

8:40 am-10:56 pm

2 stops21h 16m

$880

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 10/28

11:20 am-12:00 pm

1 stop17h 40m

London Heathrow

Wed 11/4

11:10 am-12:35 am

2 stops20h 25m

$881

Quickest round-trip

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 8/18

5:40 am-6:30 am

2 stops16h 50m

London Heathrow

Thu 11/12

6:35 am-7:25 pm

2 stops19h 50m

$883

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 8/18

5:40 am-6:30 am

2 stops16h 50m

London Heathrow

Thu 11/12

6:35 am-7:25 pm

2 stops19h 50m

$884

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 10/28

10:50 am-11:05 am

2 stops17h 15m

London Heathrow

Wed 11/4

6:35 am-7:25 pm

2 stops19h 50m

$885

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 10/30

6:00 am-6:30 pm

3 stops29h 30m

London Heathrow

Fri 11/6

6:40 am-10:56 pm

2 stops23h 16m

$886

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 8/18

9:37 am-10:55 am

1 stop17h 18m

London Heathrow

Thu 11/12

7:30 am-11:56 pm

2 stops23h 26m

$896

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 $730.

How far in advance should I book a flight from Tucson 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 $876 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 $672 on momondo.

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

You could potentially save up to 8% 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	12h 35m
Direct flights	None

The fastest flight from Tucson to London Heathrow Airport takes 12h 35m

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

Frequently asked questions about flying from Tucson to London Heathrow Airport

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 12h 35m, 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 May 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 36% of all bookings. The subsequent popular airlines are United Airlines at 35% and American Airlines at 29%.

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 7,943 reviews	Search British Airways flights
United Airlines	PriceFrom $658	Free Cancellation	Rating 7.4 9,680 reviews	Search United Airlines flights
American Airlines	PriceFrom $698	Free Cancellation	Rating 7.1 11,673 reviews	Search American Airlines flights

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Hayes

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Folkestone

Romford

Harrow

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

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Popular cities in the United Kingdom

Flights to London Gatwick Airportfrom $460

Flights to London Stansted Airportfrom $519

Flights to London City Airportfrom $679

Flights to London Luton Airportfrom $530

Flights to Glasgow Intl Airportfrom $535

Flights to Belfast Intl Airport

Flights to London Southend Airportfrom $723

Flights to Belfast City Airportfrom $711

Cheap flights from Tucson to London from $334

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 9/23. 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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Air Canada flights from Tucson to London Heathrow Airport

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

KLM flights from Tucson to London Heathrow Airport

Our best KLM deals on Tucson to London Heathrow Airport flight tickets

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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 from Tucson 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

Fastest flight time

Direct flights

Frequently asked questions about flying from Tucson to London Heathrow Airport

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

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