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Cheap Finnair flights

LHR
21 feb — 28 feb1
1 adult
1 adult, Economy, 0 bags

Finnair information

Discover detailed information about Finnair flights, including average fare prices, reviews, and more. Flight info is based on data from user searches last updated on 22 gennaio 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£63

Most Popular Route

HEL to CPH

Shortest flight

0h 30m

Longest Flight

15h 35m
Flying from Helsinki-Vantaa to Stockholm Arlanda
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Flying from Helsinki-Vantaa to Kastrup Copenhagen
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Flying from Tallinn to Helsinki-Vantaa
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Flying from Stockholm Arlanda to Bergen Flesland
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Cheapest Finnair flights
Explore the most affordable Finnair flight options available. Find the lowest fares based on data from user searches, with prices last updated on 22 gennaio 2026.

mer 18/219:15
BOS
-
LHR
Nonstop6h 45m
Finnair
mer 25/213:30
LHR
-
BOS
Nonstop7h 45m
Finnair
Deal found £367
dom 22/320:10
BOS
-
LHR
Nonstop6h 50m
Finnair
mer 1/411:00
LHR
-
BOS
Nonstop7h 45m
Finnair
Deal found £368
dom 15/319:06
BOS
-
EDI
2 stops17h 54m
Finnair
ven 20/311:25
EDI
-
BOS
1 stop15h 23m
Finnair
Deal found £584

Finnair Reviews

Read reviews and feedback from other travellers about their experiences with Finnair sourced from user searches. These reviews were last updated on 22 gennaio 2026 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Finnair
7.6
Good
1,353 reviews
Check prices
Overview

Food

6.7

Crew

8.2

Comfort

7.5

Boarding

7.7

Entertainment

6.9

Frequently asked questions about Finnair

  • What are the most popular Finnair airports?

    The most popular airports for Finnair are Oulu, Helsinki-Vantaa, and Stockholm Arlanda according to our data. Flights to or from any of these airports should be available via Finnair year-round.

  • What is Finnair’s cheapest domestic flight?

    The cheapest domestic Finnair flight is flying Helsinki-Vantaa to Joensuu, which is £66. This round-trip flight has 0 stops. For a one-way domestic Finnair flight, the cheapest route is Kuopio to Helsinki-Vantaa (0 stops) for £42.

  • What is Finnair’s cheapest international flight?

    The least expensive round-trip international Finnair flight is: -Helsinki-Vantaa to Stockholm Arlanda, -0 stops, -£63 per ticket Finnair has international one-way flights available, but the cheapest is a flight from Stockholm Arlanda to Helsinki-Vantaa for just £19. This flight has 0 stops.

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