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Finnair flights from London to St. Louis (LON - STL)

LON — STL
23 Apr — 30 Apr1
1 adult
Tue 23/4
Tue 30/4

Cheapflights users flying from London to St. Louis on Finnair typically fly into Lambert-St Louis and depart from London Heathrow. Select your dates above for pricing.

Finnair flights from London to St. Louis in 2024

Find detailed information about Finnair flights from London to St. Louis. Explore the options provided by Finnair to plan your journey from London to St. Louis. Data last updated 18 April 2024.

Popular in

August

Cheapest in

February

Average price (all airlines)

£633

One-way from

£690

Return from

£573
Highest demand for flights from London to Lambert-St Louis; 12% potential price increase.
Best time to find cheap flights from London to Lambert-St Louis; 2% potential price drop.
Average price for all London to Lambert-St Louis flights (one-way and round-trip).
Cheapest one-way Finnair flight from London to Lambert-St Louis
Cheapest return Finnair flight from London to Lambert-St Louis
  • How do most travelers feel about Finnair?

    The general consensus from 6,836 Cheapflights users is that Finnair is a 7.0/10. Select your travel dates above for updated prices on flights from London to St. Louis (LON-STL).

Cheapest Finnair flights from London to St. Louis

Discover the cheapest flight options specifically offered by Finnair for travel from London to St. Louis. Compare prices and availability to find the most affordable fares for your desired travel dates. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 899,432 searches. The data was last updated on 18 April 2024.
Mon 29/414:10LHR - STL
1 stop15h 16mFinnair
Sat 4/513:11STL - LHR
1 stop13h 54mFinnair
Deal found 18/4£573
Wed 1/512:30LHR - STL
1 stop16h 56mFinnair
Fri 17/514:00STL - LHR
1 stop11h 30mFinnair
Deal found 18/4£604
Mon 6/514:10LHR - STL
1 stop15h 09mFinnair
Fri 10/515:00STL - LHR
1 stop13h 20mFinnair
Deal found 18/4£605

One-way Finnair flights to St. Louis from London

Search for direct flight options from London to St. Louis specifically provided by Finnair. Find affordable direct fares from Finnair and compare prices with other airlines. These prices are based on average fares users found. In the last 7 days, Cheapflights users made a total of 899,432 searches. The data was last updated on 18 April 2024.
Wed 22/510:05LHR - STL
1 stop15h 23mFinnair
Deal found 18/4£690
Thu 27/609:45LHR - STL
1 stop12h 19mFinnair
Deal found 18/4£718
Mon 9/914:10LHR - STL
1 stop14h 50mFinnair
Deal found 18/4£743

Average price of Finnair flights from London to St. Louis

Plan your Finnair flight from London to St. Louis by taking into account the cheapest months to travel. The average price of a one-way Finnair flight from London to St. Louis is currently £717 while a return flight costs £0. Price data was last updated on 14 April 2024.

Currently, the most affordable month to book a Finnair flight from London to St. Louis in November, with an average price of £667. Conversely, traveling with Finnair from London to St. Louis in August will be the most expensive, with an average cost of £837. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

January

£580

February

£555

March

£568

April

£565

May

£588

June

£614

July

£612

August

£672

September

£560

October

£554

November

£535

December

£543

Temperature and rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature and rainfall totals by month.

STL

Temperature

0 - 27 °C

If weather is an important factor for your trip to St. Louis, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

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Fly from London to St. Louis on another airline
Consider alternative airlines that service the St. Louis area. Flight routes are based on user searches made on Cheapflights and were last updated on 18 April 2024.

See what others are saying about Finnair

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 18 April 2024.
Finnair
7.7
Good
1,388 reviews
Overview

Boarding

7.8

Food

6.9

Comfort

7.6

Crew

8.2

Entertainment

7.0
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