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Cheap flights from London to Duluth from £435

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to Duluth departing on 26/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
09:00 - 21:59
LHR
-
DLH
18h 59m
2 stops
United Airlines Logo
15:19 - 07:30
DLH
-
LHR
34h 11m
2 stops
£822United Airlines
Wed, 18 Feb - Sun, 22 Feb
United Airlines Logo
09:00 - 10:43
LHR
-
DLH
31h 43m
2 stops
United Airlines Logo
15:19 - 07:30
DLH
-
LHR
34h 11m
2 stops
£823United Airlines
Wed, 18 Feb - Sun, 22 Feb
United Airlines Logo
07:40 - 14:37
LHR
-
DLH
12h 57m
1 stop
United Airlines Logo
15:19 - 07:55
DLH
-
LHR
10h 36m
1 stop
£872United Airlines
Wed, 18 Feb - Sun, 22 Feb
United Airlines Logo
13:35 - 21:59
LHR
-
DLH
14h 24m
1 stop
United Airlines Logo
15:19 - 11:15
DLH
-
LHR
13h 56m
1 stop
£872United Airlines
Wed, 18 Feb - Sun, 22 Feb
United Airlines Logo
06:50 - 18:08
LHR
-
DLH
16h 18m
2 stops
United Airlines Logo
15:07 - 05:45
DLH
-
LHR
33h 38m
1 stop
£919United Airlines
Fri, 20 Mar - Fri, 27 Mar
United Airlines Logo
06:50 - 10:43
LHR
-
DLH
32h 53m
2 stops
United Airlines Logo
18:43 - 09:00
DLH
-
LHR
33h 17m
2 stops
£921United Airlines
Fri, 20 Mar - Fri, 27 Mar
United Airlines Logo
10:25 - 21:54
LHR
-
DLH
16h 29m
1 stop
United Airlines Logo
18:43 - 11:15
DLH
-
LHR
11h 32m
1 stop
£1,006United Airlines
Fri, 20 Mar - Fri, 27 Mar
Multiple Airlines Logo
19:50 - 22:47
LHR
-
DLH
31h 57m
3 stops
Multiple Airlines Logo
08:04 - 14:35
DLH
-
LHR
25h 31m
3 stops
£1,426Multiple Airlines
Fri, 20 Mar - Fri, 27 Mar
WestJet Logo
14:50 - 15:52
LHR
-
DLH
30h 02m
2 stops
WestJet Logo
12:37 - 12:50
DLH
-
LHR
19h 13m
2 stops
£3,384WestJet
Wed, 18 Mar - Wed, 25 Mar

United Airlines flights from London to Duluth

Our best United Airlines deals on London to Duluth flight tickets
United Airlines
18 Feb
LHR09:00London Heathrow
18h 59m
2 stops
DLH21:59Duluth Intl
22 Feb
DLH15:19Duluth Intl
34h 11m
2 stops
LHR07:30London Heathrow
£822
United Airlines
18 Feb
LHR09:00London Heathrow
31h 43m
2 stops
DLH10:43Duluth Intl
22 Feb
DLH15:19Duluth Intl
34h 11m
2 stops
LHR07:30London Heathrow
£823
United Airlines
18 Feb
LHR07:40London Heathrow
12h 57m
1 stop
DLH14:37Duluth Intl
22 Feb
DLH15:19Duluth Intl
10h 36m
1 stop
LHR07:55London Heathrow
£872

momondo Fare Finder

 
Customise your flight search to find flights from London to Duluth 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 279,928 searches. Data last updated 3 February 2026.
Use the filters below to find and compare flights from London to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Wed 18/2

09:00-21:59

2 stops18h 59m

Duluth Intl

Sun 22/2

15:19-07:30

2 stops34h 11m

£822

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Wed 18/2

09:00-10:43

2 stops31h 43m

Duluth Intl

Sun 22/2

15:19-07:30

2 stops34h 11m

£823

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Wed 18/2

07:40-14:37

1 stop12h 57m

Duluth Intl

Sun 22/2

15:19-07:55

1 stop10h 36m

£872

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Wed 18/2

13:35-21:59

1 stop14h 24m

Duluth Intl

Sun 22/2

15:19-11:15

1 stop13h 56m

£872

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Fri 20/3

06:50-18:08

2 stops16h 18m

Duluth Intl

Fri 27/3

15:07-05:45

1 stop33h 38m

£919

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Fri 20/3

06:50-10:43

2 stops32h 53m

Duluth Intl

Fri 27/3

18:43-09:00

2 stops33h 17m

£921

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Fri 20/3

10:25-21:54

1 stop16h 29m

Duluth Intl

Fri 27/3

18:43-11:15

1 stop11h 32m

£1,006

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Fri 20/3

19:50-22:47

3 stops31h 57m

Duluth Intl

Fri 27/3

08:04-14:35

3 stops25h 31m

£1,426

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Wed 18/3

14:50-15:52

2 stops30h 02m

Duluth Intl

Wed 25/3

12:37-12:50

2 stops19h 13m

£3,384

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Sun 26/4

14:10-22:46

2 stops38h 36m

£435

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Duluth from

How to get the cheapest flight ticket from London to Duluth

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 airline that flies from London to Duluth Intl?

WestJet, United Airlines, and Delta are the most popular carriers operating from London to Duluth Intl

When to book flights from London to Duluth

Are you open to changing your travel dates? Check out the ideal times to fly from London to Duluth according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London to Duluth (LON to DLH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Duluth

Fastest flight time

18h 59m

Direct flights

None
The fastest flight from London to Duluth takes 18h 59m
There are no direct flights from London to Duluth. There are no popular flight routes from London to Duluth.
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  • How far is London to Duluth Intl by plane?

    London and Duluth Intl are 3883.7 mi apart from one another. By plane, this route typically takes 18h 59m.

  • When did momondo last update prices for flights from London to Duluth Intl Airport?

    Prices for flights from London to Duluth Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from London to Duluth Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to Duluth Intl Airport.

  • What documentation or ID do you need to fly to Duluth Intl Airport?

    The travel and health documents required for your trip to Duluth Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Duluth Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from London to Duluth?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Duluth from London.

Can I find flights from London to Duluth with flexible booking policies on momondo?

Yes. All flights to Duluth from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Duluth?

momondo helps you find the best flight between London and Duluth by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to Duluth right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Duluth, momondo offers a useful price alert feature which will track prices for flights to Duluth from London and alert you when they change.

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