Which airport is the most popular layover for flights between Tucson and London Heathrow Airport?

Dallas (DFW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Tucson to London Heathrow Airport?

Flights via Denver (DEN) offer the lowest average round-trip price of $1,077.

What airlines fly to London Heathrow Airport?

American Airlines, United Airlines and British Airways are the top three most popular airlines that fly to London Heathrow Airport from Tucson according to our data. American Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 4 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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

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

Which layover airport has the shortest connection time from Tucson to London Heathrow Airport?

Dallas (DFW) has the shortest average layover time for this route: 1h 09m.

Which layover airport has the shortest travel time from Tucson to London Heathrow Airport?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 12h 04m.

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 4 as of August 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.

$413 Cheap Flights from Tucson to London Heathrow Airport in 2026

Discover deals from 900+ travel sites with momondo.

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.

9:45 am - 11:50 am

TUS

LHR

19h 05m

2 stops

6:35 am - 12:35 am

LHR

TUS

25h 00m

2 stops

$861Multiple Airlines

Wed, Jan 6 - Tue, Jan 12

5:42 pm - 6:30 am

TUS

LHR

53h 48m

2 stops

7:40 am - 9:34 pm

LHR

TUS

20h 54m

2 stops

$864Multiple Airlines

Fri, Nov 13 - Tue, Nov 17

2:31 pm - 11:35 am

TUS

LHR

14h 04m

1 stop

2:45 pm - 10:55 pm

LHR

TUS

15h 10m

1 stop

$889British Airways

Wed, Jan 6 - Tue, Jan 12

9:00 am - 6:50 am

TUS

LHR

14h 50m

1 stop

2:45 pm - 10:55 pm

LHR

TUS

15h 10m

1 stop

$889British Airways

Wed, Jan 13 - Wed, Jan 27

1:10 pm - 11:10 am

TUS

LHR

14h 00m

1 stop

6:55 am - 9:10 pm

LHR

TUS

22h 15m

2 stops

$904United Airlines

Wed, Sep 30 - Fri, Oct 9

1:40 pm - 12:35 pm

TUS

LHR

14h 55m

1 stop

6:55 am - 9:10 pm

LHR

TUS

22h 15m

2 stops

$904United Airlines

Wed, Sep 30 - Fri, Oct 9

1:30 pm - 2:45 pm

TUS

LHR

18h 15m

2 stops

6:30 am - 10:34 pm

LHR

TUS

23h 04m

2 stops

$929Lufthansa

Thu, Dec 10 - Wed, Dec 23

1:30 pm - 12:50 pm

TUS

LHR

16h 20m

2 stops

8:15 pm - 9:42 pm

LHR

TUS

32h 27m

2 stops

$957Lufthansa

Tue, Dec 8 - Wed, Jan 6

3:58 pm - 2:25 pm

TUS

LHR

14h 27m

1 stop

11:40 am - 8:36 pm

LHR

TUS

16h 56m

1 stop

$985American Airlines

Thu, Aug 27 - Thu, Sep 3

3:01 pm - 3:05 pm

TUS

LHR

16h 04m

1 stop

8:20 am - 5:42 pm

LHR

TUS

17h 22m

1 stop

$1,005American Airlines

Sat, Sep 12 - Sat, Sep 19

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Alaska Airlines flights from Tucson to London Heathrow Airport

Our best Alaska Airlines deals on Tucson to London Heathrow Airport flight tickets

Alaska Airlines

Jan 12

TUS2:06 pmTucson

15h 14m

1 stop

LHR12:20 pmLondon Heathrow

Jan 26

LHR2:45 pmLondon Heathrow

28h 26m

1 stop

TUS12:11 pmTucson

$894

Alaska Airlines

Dec 10

TUS2:06 pmTucson

15h 14m

1 stop

LHR12:20 pmLondon Heathrow

Dec 23

LHR2:45 pmLondon Heathrow

16h 13m

1 stop

TUS11:58 pmTucson

$911

Alaska Airlines

Oct 30

TUS7:24 amTucson

21h 56m

1 stop

LHR12:20 pmLondon Heathrow

Nov 6

LHR2:45 pmLondon Heathrow

15h 03m

1 stop

TUS10:48 pmTucson

$938

Iberia flights from Tucson to London Heathrow Airport

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

Iberia

Oct 28

TUS8:00 amTucson

15h 50m

1 stop

LHR6:50 amLondon Heathrow

Nov 4

LHR7:40 pmLondon Heathrow

21h 14m

2 stops

TUS9:54 amTucson

$872

Iberia

Jan 13

TUS1:08 pmTucson

13h 52m

1 stop

LHR10:00 amLondon Heathrow

Jan 27

LHR7:35 amLondon Heathrow

22h 20m

2 stops

TUS10:55 pmTucson

$873

Iberia

Nov 1

TUS8:00 amTucson

19h 00m

1 stop

LHR10:00 amLondon Heathrow

Nov 7

LHR7:30 amLondon Heathrow

23h 54m

2 stops

TUS12:24 amTucson

$895

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 1/6

9:45 am-11:50 am

2 stops19h 05m

London Heathrow

Tue 1/12

6:35 am-12:35 am

2 stops25h 00m

$861

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 11/13

5:42 pm-6:30 am

2 stops53h 48m

London Heathrow

Tue 11/17

7:40 am-9:34 pm

2 stops20h 54m

$864

Quickest round-trip

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 1/6

2:31 pm-11:35 am

1 stop14h 04m

London Heathrow

Tue 1/12

2:45 pm-10:55 pm

1 stop15h 10m

$889

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 1/13

9:00 am-6:50 am

1 stop14h 50m

London Heathrow

Wed 1/27

2:45 pm-10:55 pm

1 stop15h 10m

$889

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

$904

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 9/30

1:40 pm-12:35 pm

1 stop14h 55m

London Heathrow

Fri 10/9

6:55 am-9:10 pm

2 stops22h 15m

$904

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 12/10

1:30 pm-2:45 pm

2 stops18h 15m

London Heathrow

Wed 12/23

6:30 am-10:34 pm

2 stops23h 04m

$929

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 12/8

1:30 pm-12:50 pm

2 stops16h 20m

London Heathrow

Wed 1/6

8:15 pm-9:42 pm

2 stops32h 27m

$957

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 8/27

3:58 pm-2:25 pm

1 stop14h 27m

London Heathrow

Thu 9/3

11:40 am-8:36 pm

1 stop16h 56m

$985

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 9/12

3:01 pm-3:05 pm

1 stop16h 04m

London Heathrow

Sat 9/19

8:20 am-5:42 pm

1 stop17h 22m

$1,005

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

Layovers

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

Prices are currently typical for flights on this route.

Typical prices usually range from $756 to $1,133.
The lowest price recently found on this route was $861.

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 $658. If you’re not able to fly to London Heathrow Airport in January, then April is your next best option. Flight prices from Tucson to London Heathrow Airport during April average around $751.

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 $1,002 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 $696 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.

How have Tucson to London Heathrow Airport flight prices changed over time?

As of August 2026, prices for Tucson to London Heathrow Airport flights are approximately 4% cheaper when compared to flights at the same time last year.

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	13h 38m
Direct flights	None

The fastest flight from Tucson to London Heathrow Airport takes 13h 38m

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 13h 38m, 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 4 as of August 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 American Airlines, representing 35% of all bookings. The subsequent popular airlines are United Airlines at 31%, British Airways at 27%, and Lufthansa at 7%.

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
Lufthansa	PriceFrom $381	Free Cancellation	Rating 6.8 8,173 reviews	Search Lufthansa flights
British Airways	PriceFrom $624	Free Cancellation	Rating 6.7 8,143 reviews	Search British Airways flights
United Airlines	PriceFrom $658	Free Cancellation	Rating 7.4 10,059 reviews	Search United Airlines flights
American Airlines	PriceFrom $698	Free Cancellation	Rating 7.1 11,844 reviews	Search American Airlines flights

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Wembley

Stansted

Stratford-upon-Avon

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Richmond

Uxbridge

Guildford

Worthing

Romford

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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Flights to London Gatwick Airportfrom $379

Flights to London Stansted Airportfrom $486

Flights to London City Airportfrom $619

Flights to London Luton Airportfrom $488

Flights to Glasgow Intl Airportfrom $592

Flights to Belfast Intl Airportfrom $614

Flights to London Southend Airportfrom $649

Flights to Belfast City Airportfrom $666

Cheap flights from Tucson to London from $413

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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Alaska Airlines flights from Tucson to London Heathrow Airport

Our best Alaska Airlines deals on Tucson to London Heathrow Airport flight tickets

Iberia flights from Tucson to London Heathrow Airport

Our best Iberia 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 from Tucson to London Heathrow Airport?

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

How have Tucson to London Heathrow Airport flight prices changed over time?

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

What airlines fly to London Heathrow Airport?

Which airport is the most popular layover for flights between Tucson and London Heathrow Airport?

Which layover airport offers the lowest fares from Tucson to London Heathrow Airport?

Which layover airport has the shortest travel time from Tucson to London Heathrow Airport?

Which layover airport has the shortest connection time from Tucson 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

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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