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$310+ Cheap flights from Tucson (TUS) to London (LON)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
TUS — LON
Apr 27 — May 41
Mon 4/27
Mon 5/4
1 adult, Economy
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Cheap flight deals from Tucson to London

Cheapest flights from Tucson to London
Explore the most affordable flight options available from Tucson to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2026.

This Scandinavian Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2812:00 pm
TUS
-
LHR
2 stops44h 00m
Scandinavian Airlines
Thu 10/16:40 am
LHR
-
TUS
2 stops22h 57m
Scandinavian Airlines
Deal found 3/27$783
This United Airlines deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:40 am
TUS
-
LHR
2 stops42h 00m
United Airlines
Wed 9/237:30 am
LHR
-
TUS
2 stops21h 13m
United Airlines
Deal found 3/23$807
This FlightHub deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/171:00 pm
TUS
-
LHR
2 stops25h 40m
Scandinavian Airlines
Tue 12/16:40 am
LHR
-
TUS
2 stops22h 27m
Scandinavian Airlines
Deal found 3/26$824
This Cheapflightsfares deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:30 pm
TUS
-
LHR
2 stops17h 30m
Lufthansa
Wed 11/411:10 am
LHR
-
TUS
2 stops20h 25m
Lufthansa
Deal found 3/25$835
This Cheapflightsfares deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:38 am
TUS
-
LHR
2 stops22h 02m
Lufthansa
Tue 4/287:25 am
LHR
-
TUS
2 stops20h 53m
Lufthansa
Deal found 3/24$844
This Cheapflightsfares deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:04 am
TUS
-
LHR
2 stops21h 36m
Lufthansa
Tue 8/256:55 am
LHR
-
TUS
2 stops21h 20m
Lufthansa
Deal found 3/26$845
This oojo deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/143:54 pm
TUS
-
LHR
1 stop12h 56m
British Airways
Fri 9/254:25 pm
LHR
-
TUS
1 stop14h 40m
British Airways
Deal found 3/25$852
This Cheapflightsfares deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:38 am
TUS
-
LHR
2 stops22h 02m
Lufthansa
Mon 4/278:25 pm
LHR
-
TUS
2 stops28h 49m
Lufthansa
Deal found 3/24$853
This Cheapflightsfares deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:29 pm
TUS
-
LCY
2 stops20h 26m
Lufthansa
Mon 4/279:15 am
LCY
-
TUS
2 stops19h 03m
Lufthansa
Deal found 3/24$932
This Delta deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/71:25 pm
TUS
-
LGW
2 stops18h 35m
Delta
Thu 5/1410:25 am
LGW
-
TUS
2 stops19h 18m
Delta
Deal found 3/23$948
This Icelandair deal was found by Cheapflights users on 3/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:25 am
TUS
-
LGW
2 stops21h 15m
Multiple Airlines
Mon 4/273:40 pm
LGW
-
TUS
2 stops40h 19m
Multiple Airlines
Deal found 3/23$960
This KAYAK deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:30 am
TUS
-
LCY
2 stops24h 25m
Lufthansa
Mon 9/286:30 pm
LCY
-
TUS
2 stops37h 05m
Lufthansa
Deal found 3/27$964

Find flight deals from Tucson to London

Discover tips and strategies to find the most affordable flight options for your journey from Tucson (TUS) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$807
(United Airlines)

One-way from

$310
(United Airlines)

Popular in

May

Cheapest in

April

Average price

$755
Provider with most accurate pricing for Tucson-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Tucson-London (LON) flights.
Search Deals
From Tucson to London (LON)
Search Deals
One-way flight from Tucson to London (LON)
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($166 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Tucson to London 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, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2026.
Use the filters below to find and compare flights from Tucson to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Sun 9/20

5:40 am-7:40 am

2 stops42h 00m

London Heathrow

Wed 9/23

7:30 am-8:43 pm

2 stops21h 13m

$807

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Fri 8/14

6:00 am-4:00 pm

2 stops26h 00m

London Heathrow

Wed 9/2

7:05 am-9:08 pm

3 stops22h 03m

$864

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 9/23

7:00 am-8:50 am

2 stops17h 50m

London Heathrow

Sun 10/4

8:40 am-9:08 pm

2 stops20h 28m

$882
Quickest round-trip

TucsonLondon

TUS - LHR

TUSLHR

Tucson

Wed 4/22

11:12 am-10:00 am

1 stop14h 48m

London Heathrow

Wed 4/29

6:30 am-4:13 pm

2 stops17h 43m

$887

TucsonLondon

TUS - LCY

TUSLCY

Tucson

Tue 4/21

1:29 pm-5:55 pm

2 stops20h 26m

London City

Mon 4/27

9:15 am-8:18 pm

2 stops19h 03m

$932

TucsonLondon

TUS - LGW

TUSLGW

Tucson

Thu 5/7

1:25 pm-4:00 pm

2 stops18h 35m

London Gatwick

Thu 5/14

10:25 am-9:43 pm

2 stops19h 18m

$948

TucsonLondon

TUS - LCY

TUSLCY

Tucson

Wed 4/22

3:47 pm-3:15 pm

2 stops39h 28m

London City

Mon 4/27

7:15 pm-11:59 pm

2 stops36h 44m

$1,022

TucsonLondon

TUS - LGW

TUSLGW

Tucson

Tue 4/21

9:25 am-2:40 pm

2 stops21h 15m

London Gatwick

Mon 4/27

3:40 pm-11:59 pm

2 stops40h 19m

$1,025

TucsonLondon

TUS - LGW

TUSLGW

Tucson

Wed 4/22

7:50 am-2:40 pm

2 stops22h 50m

London Gatwick

Mon 4/27

3:40 pm-11:59 pm

2 stops40h 19m

$1,059

TucsonLondon

TUS - LGW

TUSLGW

Tucson

Wed 9/23

12:06 pm-10:30 pm

2 stops26h 24m

London Gatwick

Sun 10/4

7:30 am-11:11 am

2 stops35h 41m

$1,080

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 53 resultsSorted by cheapest first
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Compare providers for flights from Tucson to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Tucson to London in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Tucson-London flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Tucson-London flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Tucson-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Tucson-London flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Tucson-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Tucson to London

Have a flexible travel schedule? Discover the best time to fly to London from Tucson with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Tucson to London

How far ahead should I book a flight from Tucson to London?

Use this chart to determine the optimal time to book a round-trip flight from Tucson to London. Price data was last updated on March 13, 2026.

The best time to book flights from Tucson to London is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Tucson to London?

Currently, January is the cheapest month in which you can book a flight from Tucson to London (average of $422). Flying from Tucson to London in June is currently the most expensive (average of $807). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Tucson to London?

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated March 28, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Tucson to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,358 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,358 reviews
Delta
7.9
Good
8,358 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,501 reviews
Delta
7.9
Good
8,358 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,520 reviews
Delta
7.9
Good
8,358 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Iberia
7.0
Good
3,157 reviews
Delta
7.9
Good
8,358 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,825 reviews
Delta
7.9
Good
8,358 reviews

Crew

8.5

Entertainment

7.8

Food

7.2

Overall

7.9

Comfort

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Tucson to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Tucson to London?

    If you book a flight to London from Tucson, you will be flying from Tucson, which is the city’s only airport. Tucson (TUS) is located 7.5 mi from the center of Tucson. There are 0 flights from Tucson to London per day from 3 different airlines.

  • How long is the flight from Tucson to London?

    For as low as $932, United Airlines can have you in London from Tucson in 20h 26m. There are 5307 mi between Tucson and London. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Tucson to London round-trip?

    Our cheapest airline available from Tucson to London is British Airways. Our recent data shows that you can find tickets from as low as $624 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $656 and $698 round-trip. These flights start at 28% lower than the current average price 3 months from now.

  • What are the most popular routes from Tucson to London?

    When deciding which route to take from Tucson to London consider Tucson - London Heathrow, Tucson - London Gatwick or Tucson - London City as they are the most popular.

  • Can I find deals for flights from Tucson to London that include hotel bookings?

    Yes. In addition to deals on Tucson to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Tucson to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tucson to London.

  • Can I find deals for business class flights from Tucson to London?

    Yes. Cheapflights offers flight deals from Tucson to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Tucson to London?

    Currently, January is the cheapest month in which you can book a flight from Tucson to London (average of $422). Flying from Tucson to London in June is currently the most expensive (average of $807). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
Slough
Stansted

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Tucson to London

Discover the top 3 airlines that operate flights from Tucson to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$624Average$814FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$656Average$900FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$698Average$958FlexibilityNo cancel feeOn-time71%

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