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Cheap flights from London Heathrow Airport to Duluth from £745

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Duluth departing on 11/11. 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
1 adult, Economy, 0 bags
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Find the cheapest flights from London Heathrow Airport to Duluth

Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
09:00 - 10:44
LHR
-
DLH
31h 44m
2 stops
United Airlines Logo
18:10 - 12:00
DLH
-
LHR
11h 50m
1 stop
£745United Airlines
Wed, 11 Nov - Sun, 15 Nov
United Airlines Logo
09:00 - 10:44
LHR
-
DLH
31h 44m
2 stops
United Airlines Logo
18:10 - 12:00
DLH
-
LHR
11h 50m
1 stop
£745United Airlines
Wed, 11 Nov - Sun, 15 Nov
Lufthansa Logo
06:55 - 17:32
LHR
-
DLH
16h 37m
2 stops
Lufthansa Logo
18:23 - 11:55
DLH
-
LHR
11h 32m
1 stop
£747Lufthansa
Mon, 7 Sep - Mon, 21 Sep
United Airlines Logo
09:00 - 21:57
LHR
-
DLH
18h 57m
2 stops
United Airlines Logo
11:26 - 09:10
DLH
-
LHR
15h 44m
2 stops
£768United Airlines
Wed, 11 Nov - Sun, 15 Nov
Lufthansa Logo
08:00 - 17:32
LHR
-
DLH
15h 32m
1 stop
Lufthansa Logo
15:10 - 11:55
DLH
-
LHR
14h 45m
1 stop
£771Lufthansa
Mon, 7 Sep - Mon, 21 Sep
United Airlines Logo
10:25 - 17:34
LHR
-
DLH
13h 09m
1 stop
United Airlines Logo
11:26 - 05:55
DLH
-
LHR
12h 29m
1 stop
£772United Airlines
Wed, 11 Nov - Sun, 15 Nov
United Airlines Logo
10:25 - 17:34
LHR
-
DLH
13h 09m
1 stop
United Airlines Logo
11:26 - 05:55
DLH
-
LHR
12h 29m
1 stop
£774United Airlines
Wed, 11 Nov - Sun, 15 Nov
Multiple Airlines Logo
21:35 - 23:38
LHR
-
DLH
32h 03m
3 stops
Multiple Airlines Logo
08:10 - 12:05
DLH
-
LHR
21h 55m
2 stops
£4,964Multiple Airlines
Mon, 7 Sep - Mon, 21 Sep

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United Airlines flights from London Heathrow Airport to Duluth

Our best United Airlines deals on London Heathrow Airport to Duluth flight tickets
United Airlines
11 Nov
LHR09:00London Heathrow
31h 44m
2 stops
DLH10:44Duluth Intl
15 Nov
DLH18:10Duluth Intl
11h 50m
1 stop
LHR12:00London Heathrow
£745
United Airlines
11 Nov
LHR09:00London Heathrow
31h 44m
2 stops
DLH10:44Duluth Intl
15 Nov
DLH18:10Duluth Intl
11h 50m
1 stop
LHR12:00London Heathrow
£745
United Airlines
11 Nov
LHR09:00London Heathrow
18h 57m
2 stops
DLH21:57Duluth Intl
15 Nov
DLH11:26Duluth Intl
15h 44m
2 stops
LHR09:10London Heathrow
£768

Lufthansa flights from London Heathrow Airport to Duluth

Our best Lufthansa deals on London Heathrow Airport to Duluth flight tickets
Lufthansa
7 Sept
LHR06:55London Heathrow
16h 37m
2 stops
DLH17:32Duluth Intl
21 Sept
DLH18:23Duluth Intl
11h 32m
1 stop
LHR11:55London Heathrow
£747
Lufthansa
7 Sept
LHR08:00London Heathrow
15h 32m
1 stop
DLH17:32Duluth Intl
21 Sept
DLH15:10Duluth Intl
14h 45m
1 stop
LHR11:55London Heathrow
£771

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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 17 June 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Duluth that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Wed 11/11

09:00-10:44

2 stops31h 44m

Duluth Intl

Sun 15/11

18:10-12:00

1 stop11h 50m

£745

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Wed 11/11

09:00-10:44

2 stops31h 44m

Duluth Intl

Sun 15/11

18:10-12:00

1 stop11h 50m

£745

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Mon 7/9

06:55-17:32

2 stops16h 37m

Duluth Intl

Mon 21/9

18:23-11:55

1 stop11h 32m

£747

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Wed 11/11

09:00-21:57

2 stops18h 57m

Duluth Intl

Sun 15/11

11:26-09:10

2 stops15h 44m

£768

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Mon 7/9

08:00-17:32

1 stop15h 32m

Duluth Intl

Mon 21/9

15:10-11:55

1 stop14h 45m

£771
Fastest return journey

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Wed 11/11

10:25-17:34

1 stop13h 09m

Duluth Intl

Sun 15/11

11:26-05:55

1 stop12h 29m

£772

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Wed 11/11

10:25-17:34

1 stop13h 09m

Duluth Intl

Sun 15/11

11:26-05:55

1 stop12h 29m

£774

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Mon 7/9

21:35-23:38

3 stops32h 03m

Duluth Intl

Mon 21/9

08:10-12:05

2 stops21h 55m

£4,964

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Duluth from

How to get the cheapest flight ticket from London Heathrow Airport 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

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

You could potentially save up to 26% on your flight if you consider stops on a London Heathrow Airport to Duluth flight.

When to book flights from London Heathrow Airport to Duluth

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

Cheap London Heathrow Airport to Duluth (LHR to DLH) flight deals and tips

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

Fastest flight time

18h 57m

Direct flights

None
The fastest flight from London Heathrow Airport to Duluth takes 18h 57m
There are no direct flights from London Heathrow Airport to Duluth. There are no popular flight routes from London Heathrow Airport to Duluth.
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Frequently asked questions about flying from London Heathrow Airport to Duluth

  • How far is London Heathrow to Duluth Intl by plane?

    The distance between London Heathrow and Duluth Intl is about 3873.0 mi. Flights usually cover this in 18h 57m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from London Heathrow Airport to Duluth Intl Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Duluth Intl Airport.

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

    The necessary travel and health documents for your Duluth Intl 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.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Duluth. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Duluth from London which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential London to Duluth flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for London to Duluth flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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