Cheap flights from London-Heathrow to Duluth
Cheap return flights from London-Heathrow to Duluth
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Duluth flight facts
What you need to know
What are the cheapest airlines?
- American Airlines
- United Airlines
- Delta Air Lines
These airlines usually offer the cheapest flights from London-Heathrow to Duluth.
What airlines fly indirectly?
- British Airways
- Lufthansa
- Air Canada
These airlines fly from London-Heathrow to Duluth, but you’ll have at least one layover.
How long is the flight?
12 hours 30 minutes
This is the shortest flight time from London-Heathrow to Duluth.
Alternative flights from the UK to Duluth
Check out prices for other routes
Alternative flights from London-Heathrow
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London-Heathrow/Duluth route. There are around 35 flights on any given week from the UK to Duluth and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from London-Heathrow to Duluth
Tips and advice from our flight experts
You've searched for flights from London-Heathrow to Duluth. We've found 25 flights and compared them to give you the best offer. American Airlines is usually the cheapest for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for £42 from London-Heathrow to Duluth on 07/02/2026 at 18:20.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 6,800 km flight from London-Heathrow to Duluth.
To find the best offers, consider booking in advance or looking for last-minute deals. Traveling during off-peak seasons can also save you money. American Airlines is a popular choice for this route, with an average flight duration of 12 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money.
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