How do most travelers feel about Finnair?

When planning your ORD-LON trip, keep in mind that Finnair is typically rated 7.0/10. This rating comes from 7,719 reviews by Cheapflights users who have traveled with Finnair.

Can I get a flight from Chicago O'Hare Intl Airport to London on Finnair for under $800?

There are 1 flights available on Finnair from Chicago O'Hare Intl Airport to London for under $800. These prices can change based on many factors including date and time. To find ORD-LON flight prices for your dates, click here.

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Fly Finnair from ORD to London as low as $634

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Cheapflights users flying from Chicago to London on Finnair typically fly into London Heathrow and depart from Chicago O'Hare Intl. Select your dates above for pricing.

Finnair flights from O'Hare Intl to London in 2024

Popular in	June
Cheapest in	February
Average price (all airlines)	$792
One-way from	$760
Round-trip from	$634

Highest demand for flights from Chicago O'Hare Intl to London; 23% potential price increase.

Search Deals

Best time to find cheap flights from Chicago O'Hare Intl to London; 5% potential price drop.

Search Deals

Average price for all Chicago O'Hare Intl to London flights (one-way and round-trip).

Search Deals

Cheapest one-way Finnair flight from Chicago O'Hare Intl to London

Search Deals

Cheapest round-trip Finnair flight from Chicago O'Hare Intl to London

Search Deals

Can I get a flight from Chicago O'Hare Intl Airport to London on Finnair for under $800?
There are 1 flights available on Finnair from Chicago O'Hare Intl Airport to London for under $800. These prices can change based on many factors including date and time. To find ORD-LON flight prices for your dates, click here.
How do most travelers feel about Finnair?
When planning your ORD-LON trip, keep in mind that Finnair is typically rated 7.0/10. This rating comes from 7,719 reviews by Cheapflights users who have traveled with Finnair.

Cheapest Finnair flights from O'Hare Intl to London

Tue 5/711:00 pmORD - LHR

Nonstop7h 45mFinnair

Thu 5/168:10 amLHR - ORD

Nonstop8h 35mFinnair

Deal found 5/5$645

Pick Dates

Wed 5/86:00 pmORD - LHR

Nonstop7h 50mFinnair

Wed 5/1512:15 pmLHR - ORD

Nonstop8h 40mFinnair

Deal found 5/4$646

Pick Dates

Mon 5/2011:00 pmORD - LHR

Nonstop7h 45mFinnair

Wed 5/292:45 pmLHR - ORD

Nonstop8h 35mFinnair

Deal found 5/4$655

Pick Dates

Direct flights from O'Hare Intl to London on Finnair

Tue 10/18:20 amORD - LHR

Nonstop7h 50mFinnair

Wed 10/912:15 pmLHR - ORD

Nonstop8h 55mFinnair

Deal found 5/5$634

Pick Dates

Wed 9/1810:25 pmORD - LHR

Nonstop7h 50mFinnair

Thu 9/2610:05 amLHR - ORD

Nonstop9h 00mFinnair

Deal found 5/5$645

Pick Dates

Mon 5/2011:00 pmORD - LHR

Nonstop7h 45mFinnair

Wed 5/292:45 pmLHR - ORD

Nonstop8h 35mFinnair

Deal found 5/4$655

Pick Dates

Last minute deals on Cheapflights

Tue 5/148:20 amORD - LHR

Nonstop7h 50mFinnair

Wed 5/2212:15 pmLHR - ORD

Nonstop8h 40mFinnair

Deal found 5/5$645

Pick Dates

Mon 5/138:20 amORD - LHR

Nonstop7h 50mFinnair

Fri 5/248:10 amLHR - ORD

Nonstop8h 35mFinnair

Deal found 5/5$655

Pick Dates

Sat 5/118:20 amORD - LHR

Nonstop7h 50mFinnair

Wed 5/1510:05 amLHR - ORD

Nonstop8h 40mFinnair

Deal found 5/4$695

Pick Dates

One-way Finnair flights to London from O'Hare Intl

Sun 5/1211:00 pmORD - LHR

Nonstop7h 45mFinnair

Deal found 5/4$760

Pick Dates

Fri 9/68:20 amORD - LHR

Nonstop7h 50mFinnair

Deal found 5/4$1,008

Pick Dates

Wed 6/58:10 amORD - LHR

Nonstop8h 00mFinnair

Deal found 5/5$1,017

Pick Dates

Average price of Finnair flights from O'Hare Intl to London

Currently, the most affordable month to book a Finnair flight from Chicago O'Hare Intl Airport to London in November, with an average price of $653. Conversely, traveling with Finnair from Chicago O'Hare Intl Airport to London in June will be the most expensive, with an average cost of $1,165. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

January

$674

February

$663

March

$715

April

$692

May

$738

June

$1,165

July

$984

August

$777

September

$746

October

$711

November

$653

December

$672

Temperature and rainfall in London by month

LON Temperature	39.2 - 62.6 °F

LON

Temperature

39.2 - 62.6 °F

If weather is an important factor for your trip to London, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Browse thousands of different options on Cheapflights for your next trip

Fly from O'Hare Intl to London on another airline
Consider alternative airlines that service the London area. Flight routes are based on user searches made on Cheapflights and were last updated on May 5, 2024.

American Airlines flights from Chicago O'Hare Intl to London

British Airways flights from Chicago O'Hare Intl to London

Complete your trip
Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.

London car rentals

London Heathrow Airport car rentals

London Gatwick Airport car rentals

London Stansted Airport car rentals

London Luton Airport car rentals

London City Airport car rentals

London Southend Airport car rentals

Manchester car rentals

Reading car rentals

Oxford car rentals

Liverpool car rentals

Leeds car rentals

Other airlines servicing O'Hare Intl and London
Choose from other airlines serving O'Hare Intl and London.

American Airlines flights

Air Canada flights

Air France flights

Finnair flights

British Airways flights

Austrian Airlines flights

Scandinavian Airlines flights

TAP AIR PORTUGAL flights

United Airlines flights

Virgin Atlantic flights

Other popular destinations in Europe
If London is not for you, choose from these other destinations located in Europe. Flight routes are based on user searches made on Cheapflights and were last updated on May 5, 2024.

Flights to Manchester

Flights to Madrid

Flights to Frankfurt am Main

See what others are saying about Finnair

Finnair

7.7

Good

1,381 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 Chicago to London on Finnair typically fly into London Heathrow and depart from Chicago O'Hare Intl. Select your dates above for pricing.

Finnair flights from O'Hare Intl to London in 2024

Find detailed information about Finnair flights from O'Hare Intl to London. Explore the options provided by Finnair to plan your journey from O'Hare Intl to London. Data last updated May 5, 2024.

Popular in

Cheapest in

Average price (all airlines)

One-way from

Round-trip from

Can I get a flight from Chicago O'Hare Intl Airport to London on Finnair for under $800?

How do most travelers feel about Finnair?

Cheapest Finnair flights from O'Hare Intl to London

Direct flights from O'Hare Intl to London on Finnair

Last minute deals on Cheapflights

One-way Finnair flights to London from O'Hare Intl

Average price of Finnair flights from O'Hare Intl to London

Plan your Finnair flight from O'Hare Intl to London by taking into account the cheapest months to travel. The average price of a one-way Finnair flight from O'Hare Intl to London is currently $928 while a round-trip flight costs $645. Price data was last updated on April 28, 2024.

Temperature and rainfall in London by month

Plan your trip to London 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 O'Hare Intl to London on another airline
Consider alternative airlines that service the London area. Flight routes are based on user searches made on Cheapflights and were last updated on May 5, 2024.

Consider alternative airlines that service the London area. Flight routes are based on user searches made on Cheapflights and were last updated on May 5, 2024.

Other Finnair flights from O'Hare Intl
Browse through other Finnair flights departing from O'Hare Intl. Flight routes are based on user searches made on Cheapflights and were last updated on May 5, 2024.

Browse through other Finnair flights departing from O'Hare Intl. Flight routes are based on user searches made on Cheapflights and were last updated on May 5, 2024.

Complete your trip
Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.

Complete your trip to London by adding a car rental and/or hotel reservation to your travel itinerary.

Other airlines servicing O'Hare Intl and London
Choose from other airlines serving O'Hare Intl and London.

Choose from other airlines serving O'Hare Intl and London.

Other popular destinations in Europe
If London is not for you, choose from these other destinations located in Europe. Flight routes are based on user searches made on Cheapflights and were last updated on May 5, 2024.

If London is not for you, choose from these other destinations located in Europe. Flight routes are based on user searches made on Cheapflights and were last updated on May 5, 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 May 5, 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 May 5, 2024.

See what others are saying about Finnair

Overview

Recent reviews

100% Free

Book with Flexibility

Travel Smart

Flights

Finnair flights from Chicago O'Hare Intl Airport to London (ORD - LON)

Cheapflights users flying from Chicago to London on Finnair typically fly into London Heathrow and depart from Chicago O'Hare Intl. Select your dates above for pricing.

Finnair flights from O'Hare Intl to London in 2024

Find detailed information about Finnair flights from O'Hare Intl to London. Explore the options provided by Finnair to plan your journey from O'Hare Intl to London. Data last updated May 5, 2024.

Popular in

Cheapest in

Average price (all airlines)

One-way from

Round-trip from

Can I get a flight from Chicago O'Hare Intl Airport to London on Finnair for under $800?

How do most travelers feel about Finnair?

Cheapest Finnair flights from O'Hare Intl to London

Direct flights from O'Hare Intl to London on Finnair

Last minute deals on Cheapflights

One-way Finnair flights to London from O'Hare Intl

Average price of Finnair flights from O'Hare Intl to London

Plan your Finnair flight from O'Hare Intl to London by taking into account the cheapest months to travel. The average price of a one-way Finnair flight from O'Hare Intl to London is currently $928 while a round-trip flight costs $645. Price data was last updated on April 28, 2024.

Temperature and rainfall in London by month

Plan your trip to London 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 O'Hare Intl to London on another airlineConsider alternative airlines that service the London area. Flight routes are based on user searches made on Cheapflights and were last updated on May 5, 2024.

Consider alternative airlines that service the London area. Flight routes are based on user searches made on Cheapflights and were last updated on May 5, 2024.

See what others are saying about Finnair

Overview

100% Free

Book with Flexibility

Travel Smart

Fly from O'Hare Intl to London on another airline
Consider alternative airlines that service the London area. Flight routes are based on user searches made on Cheapflights and were last updated on May 5, 2024.