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Cheap flights from Tucson to London from $399

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 2/22. 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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0 bags

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Find the cheapest flights from Tucson to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
7:02 am - 7:25 am
TUS
-
LHR
17h 23m1 stop
Lufthansa Logo
1:45 pm - 9:55 pm
LHR
-
TUS
15h 10m1 stop
$604Lufthansa
Tue, Jan 20 - Tue, Jan 27
Lufthansa Logo
1:05 pm - 10:15 am
TUS
-
LHR
14h 10m1 stop
Lufthansa Logo
7:30 am - 9:31 pm
LHR
-
TUS
21h 01m2 stops
$607Lufthansa
Sat, Feb 14 - Mon, Feb 23
British Airways Logo
9:00 am - 12:15 pm
TUS
-
LHR
20h 15m1 stop
British Airways Logo
6:00 am - 6:13 pm
LHR
-
TUS
19h 13m2 stops
$626British Airways
Tue, Jan 20 - Tue, Jan 27
United Airlines Logo
7:15 am - 7:55 am
TUS
-
LHR
17h 40m1 stop
United Airlines Logo
12:05 pm - 10:59 pm
LHR
-
TUS
41h 54m2 stops
$627United Airlines
Thu, Feb 19 - Thu, Feb 26
United Airlines Logo
5:35 pm - 9:40 am
TUS
-
LHR
33h 05m1 stop
United Airlines Logo
6:35 am - 10:00 am
LHR
-
TUS
34h 25m2 stops
$628United Airlines
Wed, Jan 21 - Wed, Jan 28
Multiple Airlines Logo
8:15 am - 10:10 am
TUS
-
LHR
18h 55m2 stops
Multiple Airlines Logo
6:30 am - 6:07 pm
LHR
-
TUS
18h 37m2 stops
$630Multiple Airlines
Tue, Jan 20 - Tue, Jan 27
Scandinavian Airlines Logo
12:04 pm - 6:30 pm
TUS
-
LHR
23h 26m2 stops
Scandinavian Airlines Logo
6:40 am - 11:01 pm
LHR
-
TUS
23h 21m2 stops
$631Scandinavian Airlines
Thu, Feb 19 - Thu, Feb 26
Delta Logo
7:00 am - 7:05 am
TUS
-
LHR
17h 05m2 stops
Delta Logo
6:30 am - 11:01 pm
LHR
-
TUS
23h 31m2 stops
$633Delta
Sat, Feb 14 - Mon, Feb 23
Scandinavian Airlines Logo
12:04 pm - 6:30 pm
TUS
-
LHR
23h 26m2 stops
Scandinavian Airlines Logo
7:05 am - 10:05 pm
LHR
-
TUS
22h 00m3 stops
$635Scandinavian Airlines
Thu, Feb 19 - Thu, Feb 26
United Airlines Logo
2:42 pm - 9:40 am
TUS
-
LHR
11h 58m1 stop
United Airlines Logo
3:00 pm - 10:59 pm
LHR
-
TUS
38h 59m2 stops
$637United Airlines
Sat, Feb 14 - Sat, Feb 21

United Airlines flights from Tucson to London Heathrow Airport

Our best United Airlines deals on Tucson to London Heathrow Airport flight tickets
United Airlines
Feb 19
TUS7:15 amTucson
17h 40m
1 stop
LHR7:55 amLondon Heathrow
Feb 26
LHR12:05 pmLondon Heathrow
41h 54m
2 stops
TUS10:59 pmTucson
$627
Find similar
United Airlines
Jan 21
TUS5:35 pmTucson
33h 05m
1 stop
LHR9:40 amLondon Heathrow
Jan 28
LHR6:35 amLondon Heathrow
34h 25m
2 stops
TUS10:00 amTucson
$628
Find similar
United Airlines
Feb 14
TUS2:42 pmTucson
11h 58m
1 stop
LHR9:40 amLondon Heathrow
Feb 21
LHR3:00 pmLondon Heathrow
38h 59m
2 stops
TUS10:59 pmTucson
$637
Find similar

Lufthansa flights from Tucson to London Heathrow Airport

Our best Lufthansa deals on Tucson to London Heathrow Airport flight tickets
Lufthansa
Jan 20
TUS7:02 amTucson
17h 23m
1 stop
LHR7:25 amLondon Heathrow
Jan 27
LHR1:45 pmLondon Heathrow
15h 10m
1 stop
TUS9:55 pmTucson
$604
Find similar
Lufthansa
Feb 14
TUS1:05 pmTucson
14h 10m
1 stop
LHR10:15 amLondon Heathrow
Feb 23
LHR7:30 amLondon Heathrow
21h 01m
2 stops
TUS9:31 pmTucson
$607
Find similar
Lufthansa
Mar 25
TUS1:33 pmTucson
13h 07m
1 stop
LHR9:40 amLondon Heathrow
Apr 9
LHR6:55 amLondon Heathrow
22h 15m
2 stops
TUS9:10 pmTucson
$683
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Tucson to London Heathrow Airport 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, momondo users made 832,500 searches. Data last updated December 8, 2025.
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

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 1/20

7:02 am-7:25 am

1 stop17h 23m

London Heathrow

Tue 1/27

1:45 pm-9:55 pm

1 stop15h 10m

$604

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 2/14

1:05 pm-10:15 am

1 stop14h 10m

London Heathrow

Mon 2/23

7:30 am-9:31 pm

2 stops21h 01m

$607

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 1/20

9:00 am-12:15 pm

1 stop20h 15m

London Heathrow

Tue 1/27

6:00 am-6:13 pm

2 stops19h 13m

$626

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 2/19

7:15 am-7:55 am

1 stop17h 40m

London Heathrow

Thu 2/26

12:05 pm-10:59 pm

2 stops41h 54m

$627

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 1/21

5:35 pm-9:40 am

1 stop33h 05m

London Heathrow

Wed 1/28

6:35 am-10:00 am

2 stops34h 25m

$628

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Tue 1/20

8:15 am-10:10 am

2 stops18h 55m

London Heathrow

Tue 1/27

6:30 am-6:07 pm

2 stops18h 37m

$630

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 2/19

12:04 pm-6:30 pm

2 stops23h 26m

London Heathrow

Thu 2/26

6:40 am-11:01 pm

2 stops23h 21m

$631

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 2/14

7:00 am-7:05 am

2 stops17h 05m

London Heathrow

Mon 2/23

6:30 am-11:01 pm

2 stops23h 31m

$633

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Thu 2/19

12:04 pm-6:30 pm

2 stops23h 26m

London Heathrow

Thu 2/26

7:05 am-10:05 pm

3 stops22h 00m

$635

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sat 2/14

2:42 pm-9:40 am

1 stop11h 58m

London Heathrow

Sat 2/21

3:00 pm-10:59 pm

2 stops38h 59m

$637

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to London from

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

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

The month of November is, on average, the cheapest month to fly to London Heathrow Airport from Tucson, with most prices found around $713. If you’re not able to fly to London Heathrow Airport in November, then February is your next best option. Flight prices from Tucson to London Heathrow Airport during February average around $728.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Tuesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $796. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,043.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Tucson to London Heathrow Airport in the afternoon for as low as $887. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $970.

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 $878 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 $717 on momondo.

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

You could potentially save up to 20% 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 24m

Direct flights

None
The fastest flight from Tucson to London Heathrow Airport takes 12h 24m
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 11h 58m, 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?

  • 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?

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
Scandinavian AirlinesPriceFrom $298Free CancellationRating
7.4
1,597 reviews
Search Scandinavian Airlines flights
DeltaPriceFrom $608Free CancellationRating
7.9
8,011 reviews
Search Delta flights
United AirlinesPriceFrom $656Free CancellationRating
7.4
9,078 reviews
Search United Airlines flights
British AirwaysPriceFrom $677Free CancellationRating
6.7
7,564 reviews
Search British Airways flights
American AirlinesPriceFrom $700Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Salisbury
Wembley
Romford
Watford
Ilford
Cobham
Folkestone
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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