Finnair flights from London to Detroit (LON - DTT)
LON — DTT
29 Nov — 6 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Find Finnair flight deals from London to Detroit
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Best
Best Finnair flights from London to Detroit
Discover carefully curated Finnair flight deals from London to Detroit that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.
Thu 15/414:45 -
1 stop13h 40m
Mon 19/417:32 -
2 stops35h 08m
Deal found 26/10£1,839
Mon 12/414:45 -
1 stop13h 40m
Sat 24/417:32 -
2 stops35h 08m
Deal found 26/10£1,839
Thu 15/414:45 -
1 stop13h 40m
Sat 24/417:32 -
2 stops35h 08m
Deal found 26/10£1,870
How do most travelers feel about Finnair?
1,417 Cheapflights users have left reviews for Finnair and have rated the airline 7.6/10. If you are looking to travel from London to Detroit on Finnair, input your dates in the form above for our best prices!
Finnair flights from London to Detroit in 2026
Find detailed information about Finnair flights from London to Detroit. Explore the options provided by Finnair to plan your journey from London to Detroit. Data last updated 30 October 2026.
Plan your trip to Detroit by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Detroit ranges from 46.0 - 79.0 inches per month. August is typically the wettest month, when rainfall can reach 79.0 mm. January is typically the driest time to visit Detroit when rainfall is around 46.0 mm.
Temperature in Detroit by month
Plan your trip to Detroit by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Detroit, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -4.0 C).
Best time to book a flight from London to Detroit
Have a flexible travel schedule? Discover the best time to fly to Detroit from London with our price prediction graph.
LON-DTT
LHR-DTW
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.
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Fly from London to Detroit on another airline
Consider alternative airlines that service the Detroit area. Flight routes are based on user searches made on Cheapflights and were last updated on 30 October 2026.
Browse through other Finnair flights departing from London. Flight routes are based on user searches made on Cheapflights and were last updated on 30 October 2026.
If Detroit is not for you, choose from these other destinations located in North America. Flight routes are based on user searches made on Cheapflights and were last updated on 30 October 2026.
Browse through some of the most popular routes that Finnair offers at this time. Flights are based on user searches made on Cheapflights and were last updated on 30 October 2026.
Read reviews and see what other travellers are saying about their experiences with Finnair. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Finnair for your next flight. Reviews last updated 30 October 2026.
The flight from Helsinki to Toronto was very cramped. No leg space and no room to even walk. Very bad experience
8.0
Very Good|Jul 2026
Very limited food provided. Limited drinks, lights out for 10 of 12.30 flights. Very few staff.
2.0
Poor|Jun 2026
Lost our luggage and took two days to get it back. Ruined the trip.
10.0
Wonderful|Jun 2026
Our checked baggage was not transferred correctly so now we are stuck in Budapest with out essential luggage. We are not able to get much help from FinnAir because their service from Seattle is on periodic.
10.0
Wonderful|May 2026
Positive
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