What airlines fly to London Heathrow Airport?

American Airlines, British Airways and United Airlines 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 38% 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?

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

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.

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.

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

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

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 September 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.

$347 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.

10:35 am - 6:50 amTUS Tucson-LHR London Heathrow

13h 15m1 stop Dallas/Fort Worth

7:40 pm - 9:57 amLHR London Heathrow-TUS Tucson

21h 17m2 stops Madrid Barajas Dallas/Fort Worth

$874Iberia

Wed, Feb 10 - Wed, Feb 17

6:50 am - 9:20 amTUS Tucson-LHR London Heathrow

19h 30m2 stops Denver Intl Calgary

9:30 am - 8:42 pmLHR London Heathrow-TUS Tucson

19h 12m2 stops Frankfurt am Main Denver Intl

$879Multiple Airlines

Wed, Jan 6 - Wed, Apr 21

5:37 pm - 9:20 pmTUS Tucson-LHR London Heathrow

20h 43m2 stops Denver Intl Newark

6:35 am - 9:50 amLHR London Heathrow-TUS Tucson

34h 15m2 stops Munich Franz Josef Strauss Denver Intl

$882Lufthansa

Sat, Nov 7 - Tue, Nov 17

2:00 pm - 7:25 amTUS Tucson-LHR London Heathrow

34h 25m1 stop San Francisco

6:35 am - 9:50 amLHR London Heathrow-TUS Tucson

34h 15m2 stops Munich Franz Josef Strauss Denver Intl

$882Lufthansa

Sat, Nov 7 - Tue, Nov 17

3:52 pm - 11:35 amTUS Tucson-LHR London Heathrow

12h 43m1 stop Chicago O'Hare Intl

4:55 pm - 10:55 pmLHR London Heathrow-TUS Tucson

14h 00m1 stop Dallas/Fort Worth

$896British Airways

Wed, Jan 6 - Wed, Apr 21

6:49 am - 7:55 amTUS Tucson-LHR London Heathrow

18h 06m1 stop Chicago O'Hare Intl

6:35 am - 9:59 pmLHR London Heathrow-TUS Tucson

22h 24m2 stops Munich Franz Josef Strauss San Francisco

$907United Airlines

Wed, Oct 28 - Wed, Nov 4

11:11 am - 7:45 amTUS Tucson-LHR London Heathrow

12h 34m1 stop Houston George Bush Intcntl

6:35 am - 9:19 pmLHR London Heathrow-TUS Tucson

21h 44m2 stops Munich Franz Josef Strauss Houston George Bush Intcntl

$907United Airlines

Wed, Oct 21 - Thu, Oct 29

1:06 pm - 8:15 amTUS Tucson-LHR London Heathrow

12h 09m1 stop Dallas/Fort Worth

7:05 pm - 9:54 amLHR London Heathrow-TUS Tucson

21h 49m2 stops Madrid Barajas Dallas/Fort Worth

$911British Airways

Sun, Nov 8 - Mon, Nov 16

8:00 am - 6:50 amTUS Tucson-LHR London Heathrow

15h 50m1 stop Dallas/Fort Worth

1:50 pm - 10:26 pmLHR London Heathrow-TUS Tucson

15h 36m1 stop Dallas/Fort Worth

$936American Airlines

Wed, Oct 28 - Wed, Nov 4

2:04 pm - 10:30 amTUS Tucson-LHR London Heathrow

12h 26m1 stop Phoenix Sky Harbor Intl

8:55 am - 3:05 pmLHR London Heathrow-TUS Tucson

14h 10m1 stop Dallas/Fort Worth

$937American Airlines

Tue, Sep 29 - Tue, Oct 6

Cheap last minute flights

Enter your travel dates to find the best prices.

3:12 pm - 3:05 pmTUS Tucson-LHR London Heathrow

15h 53m1 stop Seattle/Tacoma Intl

5:00 pm - 2:13 pmLHR London Heathrow-TUS Tucson

29h 13m1 stop Seattle/Tacoma Intl

$1,108Alaska Airlines

Tue, Sep 8 - Fri, Sep 11

3:12 pm - 3:05 pmTUS Tucson-LHR London Heathrow

15h 53m1 stop Seattle/Tacoma Intl

5:00 pm - 2:13 pmLHR London Heathrow-TUS Tucson

29h 13m1 stop Seattle/Tacoma Intl

$1,109Alaska Airlines

Tue, Sep 8 - Fri, Sep 11

1:29 pm - 11:50 amTUS Tucson-LHR London Heathrow

38h 21m2 stops Denver Intl Calgary

9:30 am - 8:35 pmLHR London Heathrow-TUS Tucson

43h 05m2 stops Montreal Pierre Elliott Trudeau Intl Denver Intl

$1,131Air Canada

Sat, Sep 5 - Sun, Sep 20

5:20 pm - 10:50 amTUS Tucson-LHR London Heathrow

33h 30m1 stop Phoenix Sky Harbor Intl

8:50 am - 9:45 pmLHR London Heathrow-TUS Tucson

44h 55m2 stops Barcelona-El Prat Dallas/Fort Worth

$1,176British Airways

Sat, Sep 5 - Sun, Sep 20

12:30 pm - 7:25 amTUS Tucson-LHR London Heathrow

34h 55m1 stop San Francisco

6:55 am - 8:35 pmLHR London Heathrow-TUS Tucson

21h 40m2 stops Munich Franz Josef Strauss Denver Intl

$1,261United Airlines

Tue, Sep 8 - Fri, Sep 11

12:30 pm - 7:25 amTUS Tucson-LHR London Heathrow

34h 55m1 stop San Francisco

6:55 am - 5:03 pmLHR London Heathrow-TUS Tucson

18h 08m2 stops Munich Franz Josef Strauss Denver Intl

$1,262United Airlines

Tue, Sep 8 - Fri, Sep 11

1:29 pm - 10:00 amTUS Tucson-LHR London Heathrow

36h 31m2 stops Denver Intl Montreal Pierre Elliott Trudeau Intl

8:40 am - 9:10 pmLHR London Heathrow-TUS Tucson

20h 30m2 stops Zurich San Francisco

$1,267United Airlines

Tue, Sep 8 - Fri, Sep 11

11:11 am - 7:55 amTUS Tucson-LHR London Heathrow

12h 44m1 stop Houston George Bush Intcntl

8:25 pm - 8:30 pmLHR London Heathrow-TUS Tucson

32h 05m2 stops Munich Franz Josef Strauss Denver Intl

$1,755Lufthansa

Sat, Sep 5 - Sun, Sep 6

6:30 am - 7:55 amTUS Tucson-LHR London Heathrow

17h 25m1 stop Houston George Bush Intcntl

6:55 am - 8:35 pmLHR London Heathrow-TUS Tucson

21h 40m2 stops Munich Franz Josef Strauss Denver Intl

$9,405Lufthansa

Sat, Sep 5 - Mon, Sep 14

11:11 am - 11:35 amTUS Tucson-LHR London Heathrow

16h 24m1 stop Houston George Bush Intcntl

11:25 am - 5:03 pmLHR London Heathrow-TUS Tucson

13h 38m1 stop Denver Intl

$9,416Lufthansa

Sat, Sep 5 - Mon, Sep 14

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United Airlines flights from Tucson to London Heathrow Airport

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

United Airlines

Oct 28

TUS6:49 amTucson

18h 06m

1 stop

LHR7:55 amLondon Heathrow

Nov 4

LHR6:35 amLondon Heathrow

22h 24m

2 stops

TUS9:59 pmTucson

$907

United Airlines

Sep 30

TUS5:15 amTucson

17h 15m

2 stops

LHR6:30 amLondon Heathrow

Oct 9

LHR7:25 amLondon Heathrow

21h 45m

2 stops

TUS9:10 pmTucson

$911

United Airlines

Oct 18

TUS6:06 amTucson

17h 39m

1 stop

LHR7:45 amLondon Heathrow

Oct 27

LHR3:00 pmLondon Heathrow

28h 24m

2 stops

TUS12:24 pmTucson

$921

Lufthansa flights from Tucson to London Heathrow Airport

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

Lufthansa

Nov 7

TUS2:00 pmTucson

34h 25m

1 stop

LHR7:25 amLondon Heathrow

Nov 17

LHR6:35 amLondon Heathrow

34h 15m

2 stops

TUS9:50 amTucson

$882

Lufthansa

Feb 10

TUS6:00 pmTucson

18h 35m

2 stops

LHR7:35 pmLondon Heathrow

Feb 17

LHR8:45 amLondon Heathrow

22h 50m

2 stops

TUS12:35 amTucson

$884

Lufthansa

Nov 2

TUS10:42 amTucson

16h 33m

2 stops

LHR10:15 amLondon Heathrow

Nov 17

LHR7:30 amLondon Heathrow

17h 49m

2 stops

TUS6:19 pmTucson

$892

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 Tucson - LHR London Heathrow

TUSLHR

Tucson

Wed 2/10

10:35 am-6:50 am

1 stop13h 15m

London Heathrow

Wed 2/17

7:40 pm-9:57 am

2 stops21h 17m

$874

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Wed 1/6

6:50 am-9:20 am

2 stops19h 30m

London Heathrow

Wed 4/21

9:30 am-8:42 pm

2 stops19h 12m

$879

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Sat 11/7

5:37 pm-9:20 pm

2 stops20h 43m

London Heathrow

Tue 11/17

6:35 am-9:50 am

2 stops34h 15m

$882

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Sat 11/7

2:00 pm-7:25 am

1 stop34h 25m

London Heathrow

Tue 11/17

6:35 am-9:50 am

2 stops34h 15m

$882

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Wed 1/6

3:52 pm-11:35 am

1 stop12h 43m

London Heathrow

Wed 4/21

4:55 pm-10:55 pm

1 stop14h 00m

$896

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Wed 10/28

6:49 am-7:55 am

1 stop18h 06m

London Heathrow

Wed 11/4

6:35 am-9:59 pm

2 stops22h 24m

$907

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Wed 10/21

11:11 am-7:45 am

1 stop12h 34m

London Heathrow

Thu 10/29

6:35 am-9:19 pm

2 stops21h 44m

$907

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Sun 11/8

1:06 pm-8:15 am

1 stop12h 09m

London Heathrow

Mon 11/16

7:05 pm-9:54 am

2 stops21h 49m

$911

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Wed 10/28

8:00 am-6:50 am

1 stop15h 50m

London Heathrow

Wed 11/4

1:50 pm-10:26 pm

1 stop15h 36m

$936

Quickest round-trip

TucsonLondon

TUS Tucson - LHR London Heathrow

TUSLHR

Tucson

Tue 9/29

2:04 pm-10:30 am

1 stop12h 26m

London Heathrow

Tue 10/6

8:55 am-3:05 pm

1 stop14h 10m

$937

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 $799 to $987.
The lowest price recently found on this route was $874.

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 $1,003 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 13% 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 September 2026, prices for Tucson to London Heathrow Airport flights are approximately 14% 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

Best Price Found	$347
Fastest flight time	12h 34m
Direct flights	None

The best one-way flight to London Heathrow Airport from Tucson in the past 72 hours is $347. The best round-trip flight deal from Tucson to London Heathrow Airport found on momondo in the last 72 hours is $874.

The fastest flight from Tucson to London Heathrow Airport takes 12h 34m

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 34m, 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 September 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 38% of all bookings. The subsequent popular airlines are British Airways at 29%, United Airlines at 26%, 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 8,228 reviews	Search Lufthansa flights
British Airways	PriceFrom $624	Free Cancellation	Rating 6.7 8,197 reviews	Search British Airways flights
United Airlines	PriceFrom $658	Free Cancellation	Rating 7.4 10,159 reviews	Search United Airlines flights
American Airlines	PriceFrom $698	Free Cancellation	Rating 7.1 12,029 reviews	Search American Airlines flights

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Hayes

Wembley

Luton

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Dover

Richmond

Stansted

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Harrow

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Watford

Slough

Eastbourne

Worthing

Hook

Uxbridge

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 $401

Flights to London Stansted Airportfrom $499

Flights to London City Airportfrom $675

Flights to London Luton Airportfrom $485

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Flights to Belfast Intl Airportfrom $597

Flights to London Southend Airportfrom $649

Flights to Belfast City Airportfrom $683

Cheap flights from Tucson to London from $347

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 9/29. 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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United Airlines flights from Tucson to London Heathrow Airport

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

Lufthansa flights from Tucson to London Heathrow Airport

Our best Lufthansa 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

Best Price Found

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

Popular cities in the United Kingdom

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According to popular flight searches on momondo this year

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