How do most travelers feel about Finnair?

When planning your LHR-WAS trip, keep in mind that Finnair is typically rated 6.8/10. This rating comes from 29 reviews by Cheapflights users who have traveled with Finnair.

Can I get a flight from London Heathrow Airport to Washington, D.C. on Finnair for under £900?

Finnair offers 8 flights from London Heathrow Airport to Washington, D.C. for under £900. Prices vary by date and time. To see all prices and select your dates, click here.

How far ahead should I book a flight from London Heathrow Airport to Washington, D.C. with Finnair?

Booking with Finnair 74 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Washington, D.C.. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Heathrow Airport to Washington, D.C. with Finnair?

Currently, the most affordable month to book a Finnair flight from London Heathrow Airport to Washington, D.C. in January, with an average price of £598. Conversely, traveling with Finnair from London Heathrow Airport to Washington, D.C. in July will be the most expensive, with an average cost of £897. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

In terms of precipitation, rainfall in Washington, D.C. ranges from 66.0 - 102.0 inches per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Washington, D.C. when rainfall is around 66.0 mm.

Fly Finnair from LHR to Washington, D.C. as low as £531

Cheapflights users flying from London to Washington, D.C. on Finnair typically fly into Washington, D.C. Dulles Intl and depart from London Heathrow. Select your dates above for pricing.

Finnair flights from Heathrow to Washington, D.C. in 2024

Popular in	July
Cheapest in	February
Average price (all airlines)	£674
One-way from	£531
Return from	£550

Highest demand for flights from London Heathrow to Washington, D.C.; 16% potential price increase.

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Best time to find cheap flights from London Heathrow to Washington, D.C.; 2% potential price drop.

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Average price for all London Heathrow to Washington, D.C. flights (one-way and round-trip).

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Cheapest one-way Finnair flight from London Heathrow to Washington, D.C.

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Cheapest return Finnair flight from London Heathrow to Washington, D.C.

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Can I get a flight from London Heathrow Airport to Washington, D.C. on Finnair for under £900?
Finnair offers 8 flights from London Heathrow Airport to Washington, D.C. for under £900. Prices vary by date and time. To see all prices and select your dates, click here.
How do most travelers feel about Finnair?
When planning your LHR-WAS trip, keep in mind that Finnair is typically rated 6.8/10. This rating comes from 29 reviews by Cheapflights users who have traveled with Finnair.

Cheapest Finnair flights from Heathrow to Washington, D.C.

Mon 1/709:45LHR - DCA

1 stop12h 13mFinnair

Mon 8/710:09DCA - LHR

1 stop15h 06mFinnair

Deal found 17/6£590

Pick Dates

Tue 2/709:15LHR - BWI

1 stop18h 08mFinnair

Tue 30/706:15BWI - LHR

1 stop22h 10mFinnair

Deal found 16/6£679

Pick Dates

Wed 3/709:30LHR - DCA

1 stop12h 16mFinnair

Sun 14/722:12DCA - LHR

1 stop28h 33mFinnair

Deal found 17/6£682

Pick Dates

Direct flights from Heathrow to Washington, D.C. on Finnair

Wed 2/1012:35LHR - IAD

Nonstop8h 00mFinnair

Wed 16/1017:55IAD - LHR

Nonstop7h 20mFinnair

Deal found 17/6£571

Pick Dates

Mon 9/916:35LHR - BWI

Nonstop8h 05mFinnair

Mon 16/921:25BWI - LHR

Nonstop7h 05mFinnair

Deal found 16/6£571

Pick Dates

Wed 4/916:35LHR - BWI

Nonstop8h 05mFinnair

Wed 18/921:25BWI - LHR

Nonstop7h 05mFinnair

Deal found 16/6£572

Pick Dates

Last minute deals on Cheapflights

Tue 25/620:35LHR - BWI

2 stops29h 57mFinnair

Tue 2/706:05BWI - LHR

1 stop20h 00mFinnair

Deal found 17/6£683

Pick Dates

Tue 25/609:45LHR - DCA

1 stop15h 12mFinnair

Mon 1/712:30DCA - LHR

1 stop12h 50mFinnair

Deal found 17/6£701

Pick Dates

Tue 25/613:00LHR - BWI

1 stop15h 58mFinnair

Sat 6/721:20BWI - LHR

Nonstop7h 10mFinnair

Deal found 16/6£724

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One-way Finnair flights to Washington, D.C. from Heathrow

Thu 14/1115:25LHR - BWI

Nonstop8h 30mFinnair

Deal found 16/6£531

Pick Dates

Thu 14/1116:30LHR - IAD

Nonstop8h 30mFinnair

Deal found 16/6£608

Pick Dates

Tue 9/716:35LHR - BWI

Nonstop8h 00mFinnair

Deal found 16/6£609

Pick Dates

Best time to book a flight from Heathrow to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Heathrow with our price prediction graph.

Estimated return price

Temperature and rainfall in Washington, D.C. by month

WAS Temperature	2 - 27 °C

WAS

Temperature

2 - 27 °C

If weather is an important factor for your trip to Washington, D.C., 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 2.0 C).

Browse thousands of different options on Cheapflights for your next trip

Fly from Heathrow to Washington, D.C. on another airline
Consider alternative airlines that service the Washington, D.C. area. Flight routes are based on user searches made on Cheapflights and were last updated on 18 June 2024.

Virgin Atlantic flights from London Heathrow to Washington, D.C.

British Airways flights from London Heathrow to Washington, D.C.

Other Finnair flights from Heathrow
Browse through other Finnair flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 18 June 2024.

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Finnair flights from Heathrow to Washington, D.C.

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Complete your trip
Complete your trip to Washington, D.C. by adding a car hire and/or hotel booking to your travel itinerary.

Washington, D.C. car hire

Washington, D.C. Dulles Intl Airport car hire

Baltimore/Washington Airport car hire

Washington, D.C. Reagan-National Airport car hire

Dupont Circle car hire

Georgetown car hire

Capitol Hill car hire

Foggy Bottom - West End car hire

Southwest Waterfront car hire

Columbia Heights car hire

Shaw car hire

The Mall - East End car hire

Other airlines servicing Heathrow and Washington, D.C.
Choose from other airlines serving Heathrow and Washington, D.C..

American Airlines flights

British Airways flights

Austrian Airlines flights

Scandinavian Airlines flights

Brussels Airlines flights

TAP AIR PORTUGAL flights

United Airlines flights

Virgin Atlantic flights

Other popular destinations in North America
If Washington, D.C. 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 18 June 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 18 June 2024.

Finnair flights from Heathrow to Dallas/Fort Worth

Finnair flights from Heathrow to Atlanta

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 Los Angeles

Finnair flights from Heathrow to Nashville

Finnair flights from Heathrow to Raleigh

Finnair flights from Heathrow to George Bush Intcntl

Finnair flights from Heathrow to Minneapolis

Finnair flights from Heathrow to Las Vegas

Finnair flights from Heathrow to Miami

Finnair flights from Heathrow to Dallas/Fort Worth

Finnair flights from Heathrow to John F Kennedy Intl

Finnair flights from Heathrow to Sky Harbor Intl

Finnair flights from Heathrow to Boston

Finnair flights from Heathrow to Helsinki

Finnair flights from Heathrow to Chicago

Finnair flights from Heathrow to Charlotte

Finnair flights from Heathrow to Helsinki

Finnair flights from Heathrow to Philadelphia

Finnair flights from Heathrow to Mexico City

Finnair flights from Heathrow to Nashville

Finnair flights from Heathrow to Atlanta

Finnair flights from Heathrow to O'Hare Intl

Finnair flights from Heathrow to Washington, D.C.

Finnair flights from Heathrow to New York

Finnair flights from Heathrow to Raleigh

Finnair flights from Heathrow to Los Angeles

See what others are saying about Finnair

Finnair

7.7

Good

1,352 reviews

Check prices

Overview

Recent reviews

10.0

Wonderful|May 2024

Thank you

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

1 out of 451

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Cheapflights users flying from London to Washington, D.C. on Finnair typically fly into Washington, D.C. Dulles Intl and depart from London Heathrow. Select your dates above for pricing.

Finnair flights from Heathrow to Washington, D.C. in 2024

Find detailed information about Finnair flights from Heathrow to Washington, D.C.. Explore the options provided by Finnair to plan your journey from Heathrow to Washington, D.C.. Data last updated 18 June 2024.

Popular in

Cheapest in

Average price (all airlines)

One-way from

Return from

Can I get a flight from London Heathrow Airport to Washington, D.C. on Finnair for under £900?

How do most travelers feel about Finnair?

Cheapest Finnair flights from Heathrow to Washington, D.C.

Direct flights from Heathrow to Washington, D.C. on Finnair

Last minute deals on Cheapflights

One-way Finnair flights to Washington, D.C. from Heathrow

Best time to book a flight from Heathrow to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Heathrow with our price prediction graph.

Temperature and rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. 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 Heathrow to Washington, D.C. on another airline
Consider alternative airlines that service the Washington, D.C. area. Flight routes are based on user searches made on Cheapflights and were last updated on 18 June 2024.

Consider alternative airlines that service the Washington, D.C. area. Flight routes are based on user searches made on Cheapflights and were last updated on 18 June 2024.

Other Finnair flights from Heathrow
Browse through other Finnair flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 18 June 2024.

Browse through other Finnair flights departing from Heathrow. Flight routes are based on user searches made on Cheapflights and were last updated on 18 June 2024.

Complete your trip
Complete your trip to Washington, D.C. by adding a car hire and/or hotel booking to your travel itinerary.

Complete your trip to Washington, D.C. by adding a car hire and/or hotel booking to your travel itinerary.

Other airlines servicing Heathrow and Washington, D.C.
Choose from other airlines serving Heathrow and Washington, D.C..

Choose from other airlines serving Heathrow and Washington, D.C..

Other popular destinations in North America
If Washington, D.C. 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 18 June 2024.

If Washington, D.C. 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 18 June 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 18 June 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 18 June 2024.

See what others are saying about Finnair

Overview

Recent reviews

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Flights

Finnair flights from London Heathrow Airport to Washington, D.C. (LHR - WAS)

Cheapflights users flying from London to Washington, D.C. on Finnair typically fly into Washington, D.C. Dulles Intl and depart from London Heathrow. Select your dates above for pricing.

Finnair flights from Heathrow to Washington, D.C. in 2024

Find detailed information about Finnair flights from Heathrow to Washington, D.C.. Explore the options provided by Finnair to plan your journey from Heathrow to Washington, D.C.. Data last updated 18 June 2024.

Popular in

Cheapest in

Average price (all airlines)

One-way from

Return from

Can I get a flight from London Heathrow Airport to Washington, D.C. on Finnair for under £900?

How do most travelers feel about Finnair?

Cheapest Finnair flights from Heathrow to Washington, D.C.

Direct flights from Heathrow to Washington, D.C. on Finnair

Last minute deals on Cheapflights

One-way Finnair flights to Washington, D.C. from Heathrow

Best time to book a flight from Heathrow to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Heathrow with our price prediction graph.

Temperature and rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. 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 Heathrow to Washington, D.C. on another airlineConsider alternative airlines that service the Washington, D.C. area. Flight routes are based on user searches made on Cheapflights and were last updated on 18 June 2024.

Consider alternative airlines that service the Washington, D.C. area. Flight routes are based on user searches made on Cheapflights and were last updated on 18 June 2024.

See what others are saying about Finnair

Overview

100% Free

Book with Flexibility

Travel Smart

Fly from Heathrow to Washington, D.C. on another airline
Consider alternative airlines that service the Washington, D.C. area. Flight routes are based on user searches made on Cheapflights and were last updated on 18 June 2024.