The cheapest times to fly from DLH to LHR are

  • January 8th to March 25th
  • April 9th to May 13th
  • October 22nd to December 9th (except the week of November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from DLH to LHR is late November to early December. Prices can be as high as $1476 for Saturday flights during early to mid June, or as low as $578 for Tuesday flights around late November to early December.


When to Fly to London

Flying from Duluth, MN (DLH) to London (LHR) will usually cost between $584 to $1200 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late November to early December with an average ticket price of $619. Due to high demand the most expensive time to fly is early to mid June, with an average price of $1193. Planning your trip to low-cost times can easily save you $573 on economy flights and even more on first-class flights. Generally, any price below $688 can be considered a good price for a round-trip DLH to LHR flight.

See below for a graph of average weekly prices for the DLH to LHR route. All prices are for round-trip tickets in USD.

DLH to LHR Flight Prices

Compared to other flights, the DLH to LHR flight is cheaper than the average and costs about as much as the average flight leaving from Duluth. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to LHR, and Wednesday the cheapest day to fly back into DLH. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $163 (14%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $708. Return trip prices are from the LHR to DLH flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from DLH to LHR can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 7 hour 57 minutes may not be realistic.


Flight Hacking DLH to LHR

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from DLH to LHR — but Champion Traveler does!

Hack #1: Boston, MA (DLH > BOS > LHR)

  • Price for both tickets: $651
  • Average savings: $37 (5.38%)

See DLH to BOS flights


Flight Questions Answered

Still have questions about flying from DLH to LHR? We’ve got answers.

Which airlines fly this route?

You can find 13 major airlines flying this route most often: Aer Lingus, Air France, American, Austrian, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, United, Virgin Atlantic, and potentially more during busy seasons.

How far away is it from London Heathrow Airport to Duluth International Airport?

The distance between the two airports is roughly 3875 miles or 6236 kilometers.

How long does it take to fly from DLH to LHR?

The real-world flight time for a nonstop DLH to LHR flight is about 7 hour 57 minutes.

How many flights go between Duluth, MN and London?

It depends on the day of the week and the date, but a typical day might have around 14 available flights from DLH to LHR.


Airport Location Info


Departing Airport

Origination code DLH
Origination airport name Duluth International Airport
City Duluth, MN
Country the United States
Latitude 46.8
Longitude -92.2

Return Airport

Destination code LHR
Destination airport name London Heathrow Airport
City London
Country the United Kingdom
Latitude 51.5
Longitude -0.5


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.