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Cheap Finnair flights

LHR
16 Jul — 23 Jul1
1 adult

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

Cheapest Route

£74

Most Popular Route

HEL to ARN

Shortest flight

0h 30m

Longest Flight

17h 30m
Flying from Helsinki-Vantaa to Stockholm Arlanda
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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 11 July 2025.

Mon 11/820:10BOS - LHR
Nonstop6h 40mFinnair
Wed 20/808:55LHR - BOS
Nonstop7h 30mFinnair
Deal found £381
Fri 25/717:56BOS - GLA
2 stops17h 44mFinnair
Sat 9/813:00GLA - BOS
2 stops15h 00mFinnair
Deal found £1,093
Wed 20/817:59BOS - EDI
2 stops19h 16mFinnair
Sat 6/920:35EDI - BOS
1 stop19h 40mFinnair
Deal found £1,183

Finnair Reviews

Read reviews and feedback from other travellers about their experiences with Finnair sourced from user searches. These reviews were last updated on 11 July 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
1,312 reviews
Check prices
Overview

Entertainment

6.9

Crew

8.1

Comfort

7.5

Food

6.7

Boarding

7.6

Frequently asked questions about Finnair

  • What are the most popular Finnair airports?

    The most popular airports for Finnair are Helsinki-Vantaa, Oulu, 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 Oulu to Helsinki-Vantaa, which is £99. 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 £47.

  • What is Finnair’s cheapest international flight?

    The least expensive round-trip international Finnair flight is: -Helsinki-Vantaa to Stockholm Arlanda, -0 stops, -£74 per ticket Finnair has international one-way flights available, but the cheapest is a flight from Stockholm Arlanda to Helsinki-Vantaa for just £35. This flight has 0 stops.

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