How do most travelers feel about Finnair?

The general consensus from 6,868 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).

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 inches per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

Fly Finnair from London to STL as low as £505

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

Popular in	August
Cheapest in	February
Average price (all airlines)	£630
One-way from	£640
Return from	£505

Highest demand for flights from London to Lambert-St Louis; 12% potential price increase.

Search Deals

Best time to find cheap flights from London to Lambert-St Louis; 2% potential price drop.

Search Deals

Average price for all London to Lambert-St Louis flights (one-way and round-trip).

Search Deals

Cheapest one-way Finnair flight from London to Lambert-St Louis

Search Deals

Cheapest return Finnair flight from London to Lambert-St Louis

Search Deals

How do most travelers feel about Finnair?
The general consensus from 6,868 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

Mon 13/510:10LHR - STL

1 stop19h 07mFinnair

Tue 21/514:00STL - LHR

1 stop13h 05mFinnair

Deal found 27/4£505

Pick Dates

Mon 13/511:15LHR - STL

1 stop18h 02mFinnair

Tue 21/516:20STL - LHR

1 stop10h 45mFinnair

Deal found 26/4£510

Pick Dates

Tue 14/514:10LHR - STL

1 stop15h 09mFinnair

Wed 22/505:55STL - LHR

1 stop10h 15mFinnair

Deal found 26/4£515

Pick Dates

Last minute deals on Cheapflights

Tue 7/512:15LHR - STL

1 stop15h 32mFinnair

Sun 19/517:08STL - LHR

1 stop23h 02mFinnair

Deal found 26/4£705

Pick Dates

Tue 7/512:15LHR - STL

1 stop15h 32mFinnair

Fri 17/517:08STL - LHR

1 stop13h 37mFinnair

Deal found 26/4£734

Pick Dates

Fri 3/512:00LHR - STL

1 stop13h 29mFinnair

Sun 19/517:08STL - LHR

1 stop23h 02mFinnair

Deal found 26/4£742

Pick Dates

One-way Finnair flights to St. Louis from London

Mon 9/912:30LHR - STL

1 stop16h 30mFinnair

Deal found 26/4£640

Pick Dates

Mon 9/914:10LHR - STL

1 stop14h 50mFinnair

Deal found 27/4£650

Pick Dates

Tue 13/809:45LHR - STL

1 stop16h 26mFinnair

Deal found 26/4£969

Pick Dates

Average price of Finnair flights from London to St. Louis

Currently, the most affordable month to book a Finnair flight from London to St. Louis in November, with an average price of £670. Conversely, traveling with Finnair from London to St. Louis in August will be the most expensive, with an average cost of £836. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

January

£579

February

£554

March

£566

April

£569

May

£593

June

£622

July

£613

August

£669

September

£558

October

£554

November

£536

December

£541

Temperature and rainfall in St. Louis by month

STL Temperature	0 - 27 °C

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).

Browse thousands of different options on Cheapflights for your next trip

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 27 April 2024.

Virgin Atlantic flights from London to Lambert-St Louis

British Airways flights from London to Lambert-St Louis

Other Finnair flights from London
Browse through other Finnair flights departing from London. Flight routes are based on user searches made on Cheapflights and were last updated on 27 April 2024.

Finnair flights from Heathrow to Dallas/Fort Worth

Finnair flights from Heathrow to Atlanta

Finnair flights from Heathrow to O'Hare Intl

Finnair flights from Heathrow to New York

Finnair flights from Heathrow to Charlotte

Finnair flights from Heathrow to Las Vegas

Finnair flights from Heathrow to John F Kennedy Intl

Finnair flights from Heathrow to Los Angeles

Finnair flights from Heathrow to Raleigh

Finnair flights from Heathrow to George Bush Intcntl

Finnair flights from Heathrow to Nashville

Finnair flights from Heathrow to Minneapolis

Finnair flights from Heathrow to Miami

Finnair flights from Heathrow to Sky Harbor Intl

Finnair flights from Heathrow to Helsinki

Finnair flights from Heathrow to Boston

Finnair flights from Heathrow to Philadelphia

Finnair flights from Heathrow to Chicago

Finnair flights from Heathrow to Salt Lake City

Finnair flights from Heathrow to Washington, D.C.

Finnair flights from Heathrow to Baltimore

Finnair flights from Heathrow to Austin

Finnair flights from Heathrow to Mexico City

Finnair flights from Heathrow to Seattle

Finnair flights from Gatwick to Tampa

Finnair flights from Heathrow to San Diego

Complete your trip
Complete your trip to St. Louis by adding a car hire and/or hotel booking to your travel itinerary.

St. Louis car hire

Lambert-St Louis Airport car hire

Springfield Capital Airport car hire

Belleville Airport car hire

Marion Williamson County Airport car hire

Central West End car hire

Soulard car hire

Midtown car hire

Other popular destinations in North America
If St. Louis 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 27 April 2024.

Flights to New York

Flights to Toronto

Flights to Orlando

Flights to Los Angeles

Flights to Las Vegas

Flights to Miami

Flights to Vancouver

Flights to San Francisco

Popular flights with Finnair
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 27 April 2024.

Finnair flights from Heathrow to Dallas/Fort Worth

Finnair flights from Heathrow to Atlanta

Finnair flights from Heathrow to O'Hare Intl

Finnair flights from Heathrow to New York

Finnair flights from Heathrow to Charlotte

Finnair flights from Heathrow to Las Vegas

Finnair flights from Heathrow to John F Kennedy Intl

Finnair flights from Heathrow to Los Angeles

Finnair flights from Heathrow to Raleigh

Finnair flights from Heathrow to George Bush Intcntl

Finnair flights from Heathrow to Nashville

Finnair flights from Manchester to Las Vegas

Finnair flights from Manchester to Dallas/Fort Worth

Finnair flights from Heathrow to Minneapolis

Finnair flights from Heathrow to Miami

Finnair flights from Heathrow to Sky Harbor Intl

Finnair flights from Heathrow to Helsinki

Finnair flights from Manchester to Charlotte

Finnair flights from Manchester to Helsinki

Finnair flights from Heathrow to Boston

Finnair flights from Heathrow to Philadelphia

Finnair flights from Manchester to Nashville

Finnair flights from Manchester to Atlanta

Finnair flights from Heathrow to Chicago

Finnair flights from Heathrow to Salt Lake City

Finnair flights from Manchester to Montego Bay

Finnair flights from Heathrow to Washington, D.C.

See what others are saying about Finnair

Finnair

7.7

Good

1,382 reviews

Check prices

Overview

Recent reviews

5.6

Fair|Mar 2020

Nothing

Snack and some complimentary wifi or entertainment

4.0

Mediocre|Nov 2021

Had to pay £65 (~$90)to check my bag even though it was free on the outgoing flight. Had to pay surcharge for paying at check in even though I tried to correct in advance over phone and online. Kayak was no help.

10.0

Wonderful|Oct 2021

Kayak was terrible, I was told that I got 1 free checked bag, but when I got to the check-in counter I was told otherwise and had to pay for my checked bag!!!!

10.0

Wonderful|Aug 2022

Asked to put hand luggage in hold as flight full. Been waiting over an hour at Manchester airport to retrieve it

6.0

Okay|Jul 2023

One of the Flightattendant was so rude and bad. She should not work with people.

1 out of 461

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

View all available airlines

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 27 April 2024.

Popular in

Cheapest in

Average price (all airlines)

One-way from

Return from

How do most travelers feel about Finnair?

Cheapest Finnair flights from London to St. Louis

Last minute deals on Cheapflights

One-way Finnair flights to St. Louis from London

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 £753 while a return flight costs £0. Price data was last updated on 21 April 2024.

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.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 27 April 2024.

Consider alternative airlines that service the St. Louis area. Flight routes are based on user searches made on Cheapflights and were last updated on 27 April 2024.

Other Finnair flights from London
Browse through other Finnair flights departing from London. Flight routes are based on user searches made on Cheapflights and were last updated on 27 April 2024.

Browse through other Finnair flights departing from London. Flight routes are based on user searches made on Cheapflights and were last updated on 27 April 2024.

Complete your trip
Complete your trip to St. Louis by adding a car hire and/or hotel booking to your travel itinerary.

Complete your trip to St. Louis by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines servicing London and St. Louis
Choose from other airlines serving London and St. Louis.

Choose from other airlines serving London and St. Louis.

Other popular destinations in North America
If St. Louis 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 27 April 2024.

If St. Louis 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 27 April 2024.

Popular flights with Finnair
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 27 April 2024.

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 27 April 2024.

See what others are saying about Finnair

Overview

Recent reviews

100% Free

Book with Flexibility

Travel Smart

Flights

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

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 27 April 2024.

Popular in

Cheapest in

Average price (all airlines)

One-way from

Return from

How do most travelers feel about Finnair?

Cheapest Finnair flights from London to St. Louis

Last minute deals on Cheapflights

One-way Finnair flights to St. Louis from London

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 £753 while a return flight costs £0. Price data was last updated on 21 April 2024.

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.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from London to St. Louis on another airlineConsider alternative airlines that service the St. Louis area. Flight routes are based on user searches made on Cheapflights and were last updated on 27 April 2024.

Consider alternative airlines that service the St. Louis area. Flight routes are based on user searches made on Cheapflights and were last updated on 27 April 2024.

See what others are saying about Finnair

Overview

100% Free

Book with Flexibility

Travel Smart

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 27 April 2024.