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Cheap Finnair flights

LHR
16 Nov — 23 Nov1
1 adult
1 adult, Economy

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 17 October 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£63

Most Popular Route

HEL to ARN

Shortest flight

0h 30m

Longest Flight

15h 35m
Flying from Stockholm Arlanda to Helsinki-Vantaa
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Flying from Helsinki-Vantaa to Stockholm Arlanda
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Flying from Tallinn to Helsinki-Vantaa
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Flying from Stockholm Arlanda to Tromso/Langnes
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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 17 October 2025.

Mon 8/1219:15BOS - LHR
Nonstop6h 45mFinnair
Fri 12/1213:30LHR - BOS
Nonstop7h 30mFinnair
Deal found £372
Sat 15/1119:25BOS - LHR
Nonstop6h 35mFinnair
Wed 3/1213:30LHR - BOS
Nonstop7h 30mFinnair
Deal found £375
Fri 7/1119:25BOS - GLA
1 stop12h 40mFinnair
Sun 9/1120:15GLA - BOS
1 stop23h 05mFinnair
Deal found £474

Finnair Reviews

Read reviews and feedback from other travellers about their experiences with Finnair sourced from user searches. These reviews were last updated on 17 October 2025 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
1,332 reviews
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Overview

Comfort

7.4

Crew

8.1

Boarding

7.6

Entertainment

6.9

Food

6.7

Frequently asked questions about Finnair

  • What are the most popular Finnair airports?

    The most popular airports for Finnair are Oulu, Helsinki-Vantaa, and Rovaniemi 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 Oulu, which is £97. This round-trip flight has 0 stops. For a one-way domestic Finnair flight, the cheapest route is Helsinki-Vantaa to Oulu (0 stops) for £46.

  • What is Finnair’s cheapest international flight?

    The least expensive round-trip international Finnair flight is: -Stockholm Arlanda to Helsinki-Vantaa, -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 £31. This flight has 0 stops.

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