How do I get Price Alerts for flights from London Heathrow Airport to Duluth?

Price Alerts will notify you by email when the price for flights to Duluth from London Heathrow Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

How can I save money on flights from London Heathrow Airport to Duluth with momondo?

By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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.

£696 Cheap Flights from London Heathrow Airport to Duluth in 2026

1 adult

0 bags

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Find the cheapest flights from London Heathrow Airport to Duluth

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

09:00 - 14:37

LHR

DLH

35h 37m

2 stops

07:50 - 05:55

DLH

LHR

16h 05m

1 stop

£696United Airlines

Wed, 18 Feb - Sun, 22 Feb

09:00 - 14:37

LHR

DLH

35h 37m

2 stops

07:50 - 06:40

DLH

LHR

16h 50m

2 stops

£697United Airlines

Wed, 18 Feb - Sun, 22 Feb

11:10 - 10:43

LHR

DLH

28h 33m

2 stops

07:53 - 06:20

DLH

LHR

17h 27m

2 stops

£700United Airlines

Fri, 13 Mar - Fri, 20 Mar

13:35 - 21:59

LHR

DLH

14h 24m

1 stop

15:19 - 07:55

DLH

LHR

10h 36m

1 stop

£724United Airlines

Wed, 18 Feb - Sun, 22 Feb

10:25 - 21:59

LHR

DLH

17h 34m

1 stop

15:19 - 11:15

DLH

LHR

13h 56m

1 stop

£724United Airlines

Wed, 18 Feb - Sun, 22 Feb

07:25 - 21:54

LHR

DLH

19h 29m

1 stop

11:20 - 05:55

DLH

LHR

13h 35m

1 stop

£749United Airlines

Fri, 13 Mar - Fri, 20 Mar

19:50 - 22:47

LHR

DLH

31h 57m

3 stops

08:04 - 09:20

DLH

LHR

20h 16m

3 stops

£2,507Multiple Airlines

Fri, 13 Mar - Fri, 20 Mar

United Airlines flights from London Heathrow Airport to Duluth

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

United Airlines

18 Feb

LHR09:00London Heathrow

18h 59m

2 stops

DLH21:59Duluth Intl

22 Feb

DLH11:20Duluth Intl

15h 50m

2 stops

LHR09:10London Heathrow

£696

United Airlines

18 Feb

LHR09:00London Heathrow

35h 37m

2 stops

DLH14:37Duluth Intl

22 Feb

DLH07:50Duluth Intl

16h 50m

2 stops

LHR06:40London Heathrow

£697

United Airlines

13 Mar

LHR11:10London Heathrow

28h 33m

2 stops

DLH10:43Duluth Intl

20 Mar

DLH11:20Duluth Intl

13h 35m

1 stop

LHR05:55London Heathrow

£700

Delta flights from London Heathrow Airport to Duluth

Our best Delta deals on London Heathrow Airport to Duluth flight tickets

Delta

10 Jun

LHR06:30London Heathrow

23h 08m

2 stops

DLH23:38Duluth Intl

29 Jun

DLH16:20Duluth Intl

14h 45m

1 stop

LHR13:05London Heathrow

£842

Delta

15 Jun

LHR06:15London Heathrow

23h 23m

2 stops

DLH23:38Duluth Intl

23 Jun

DLH05:10Duluth Intl

20h 05m

2 stops

LHR07:15London Heathrow

£846

Delta

10 Jun

LHR06:30London Heathrow

18h 56m

2 stops

DLH19:26Duluth Intl

25 Jun

DLH12:00Duluth Intl

17h 10m

2 stops

LHR11:10London Heathrow

£847

momondo Fare Finder

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

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Wed 18/2

09:00-14:37

2 stops35h 37m

Duluth Intl

Sun 22/2

07:50-05:55

1 stop16h 05m

£696

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Wed 18/2

09:00-14:37

2 stops35h 37m

Duluth Intl

Sun 22/2

07:50-06:40

2 stops16h 50m

£697

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Fri 13/3

11:10-10:43

2 stops28h 33m

Duluth Intl

Fri 20/3

07:53-06:20

2 stops17h 27m

£700

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Wed 18/2

13:35-21:59

1 stop14h 24m

Duluth Intl

Sun 22/2

15:19-07:55

1 stop10h 36m

£724

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Wed 18/2

10:25-21:59

1 stop17h 34m

Duluth Intl

Sun 22/2

15:19-11:15

1 stop13h 56m

£724

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Fri 13/3

07:25-21:54

1 stop19h 29m

Duluth Intl

Fri 20/3

11:20-05:55

1 stop13h 35m

£749

LondonDuluth

LHR - DLH

LHRDLH

London Heathrow

Fri 13/3

19:50-22:47

3 stops31h 57m

Duluth Intl

Fri 20/3

08:04-09:20

3 stops20h 16m

£2,507

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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 59m
Direct flights	None

The fastest flight from London Heathrow Airport to Duluth takes 18h 59m

There are no direct flights from London Heathrow Airport to Duluth. There are no popular flight routes from London Heathrow Airport to Duluth.

Search flight deals

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 59m, 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.

How do I get Price Alerts for flights from London Heathrow Airport to Duluth?
Price Alerts will notify you by email when the price for flights to Duluth from London Heathrow Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.
How can I save money on flights from London Heathrow Airport to Duluth with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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.