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Cheap flights from London Heathrow Airport to Duluth from £542

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — DLH
5 Sep — 12 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Duluth

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Duluth
Explore the most affordable flight options available from Heathrow to Duluth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 6 August 2026.

Wed 2/908:40 -
2 stops20h 42m
Tue 8/911:18 -
2 stops13h 37m
Deal found 5/8£783
Tue 15/920:55 -
2 stops31h 40m
Tue 22/916:11 -
2 stops15h 04m
Deal found 1/8£787
Tue 15/907:25 -
2 stops16h 23m
Tue 22/911:18 -
1 stop18h 37m
Deal found 1/8£788
Wed 2/912:25 -
1 stop16h 16m
Tue 8/916:11 -
1 stop14h 54m
Deal found 5/8£800
Tue 15/912:25 -
1 stop16h 10m
Tue 22/911:43 -
1 stop19h 22m
Deal found 1/8£810
Mon 19/1008:40 -
2 stops20h 42m
Mon 26/1011:16 -
1 stop13h 39m
Deal found 2/8£815
Mon 19/1012:25 -
1 stop16h 32m
Mon 26/1016:21 -
1 stop9h 44m
Deal found 2/8£837
Fri 18/907:30 -
2 stops21h 40m
Fri 25/907:45 -
2 stops17h 10m
Deal found 4/8£847
Sat 3/1006:50 -
2 stops17h 29m
Sat 17/1015:10 -
1 stop11h 20m
Deal found 5/8£855

Find flight deals from Heathrow to Duluth

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Duluth (DLH). 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 6 August 2026.

Round-trip from

£783

One-way from

£542
United Airlines
  • United Airlines
  • 2/9-8/9
  • 3 total stops
  • 37h 42m total
  • London to Duluth
Search Deals
Delta
  • Delta
  • 9/11
  • 2 total stops
  • 20h 11m total
  • London to Duluth
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 6 August 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
Fastest return journey

LondonDuluth

LHR London Heathrow - DLH Duluth Intl

LHRDLH

London Heathrow

Wed 2/9

12:25-22:41

1 stop16h 16m

Duluth Intl

Tue 8/9

16:11-13:05

1 stop14h 54m

£800

LondonDuluth

LHR London Heathrow - DLH Duluth Intl

LHRDLH

London Heathrow

Mon 19/10

08:40-23:22

2 stops20h 42m

Duluth Intl

Mon 26/10

11:16-05:55

1 stop13h 39m

£815

LondonDuluth

LHR London Heathrow - DLH Duluth Intl

LHRDLH

London Heathrow

Wed 20/1

06:35-23:04

2 stops22h 29m

Duluth Intl

Sat 23/1

11:18-11:15

2 stops17h 57m

£823
Cheapest one-way

LondonDuluth

LHR London Heathrow - DLH Duluth Intl

LHRDLH

London Heathrow

Mon 9/11

08:40-22:51

2 stops20h 11m

£542
Fastest single journey

LondonDuluth

LHR London Heathrow - DLH Duluth Intl

LHRDLH

London Heathrow

Tue 10/11

06:30-19:10

2 stops18h 40m

£542

LondonDuluth

LHR London Heathrow - DLH Duluth Intl

LHRDLH

London Heathrow

Sun 8/11

09:50-11:49

1 stop31h 59m

£598

Flights are sorted by cheapest return flights first.

Deals found on 3/8

Sorted by cheapest first

Best time to book a flight from Heathrow to Duluth

Have a flexible travel schedule? Discover the best time to fly to Duluth from Heathrow with our price prediction graph.
Estimated return 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.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Duluth. 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 into for flights to Duluth from London Heathrow?

    Duluth Intl (DLH) is the airport you will fly into if you book a flight from London Heathrow to Duluth. You should not have trouble finding flights to Duluth Intl from London Heathrow; the airport handles an average of 0 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Duluth airport from London Heathrow. It is only a 5.8 mi journey from Duluth Intl (DLH) to Duluth’s city center.

  • How long is the flight from London Heathrow Airport to Duluth?

    There are many flights that can get you from London Heathrow Airport to Duluth in 16h 16m. Fly via United Airlines or Virgin Atlantic to get the fastest option. The distance between London Heathrow Airport and Duluth is about 3873 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Heathrow to Duluth that include hotel bookings?

    Yes. In addition to deals on Heathrow to Duluth flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Duluth?

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

  • Can I find deals for business class flights from Heathrow to Duluth?

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

See more FAQs

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Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Duluth for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Heathrow to Duluth with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Duluth flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Duluth become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to Duluth flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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