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Cheap Finnair flights

LHR
22 Apr — 29 Apr1
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 23 March 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£58

Most Popular Route

RIX to ARN

Shortest flight

0h 30m

Longest Flight

16h 00m
Flying from Stockholm Arlanda to Helsinki-Vantaa
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Flying from Riga Intl to Stockholm Arlanda
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Flying from Helsinki-Vantaa to Tallinn
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Flying from Vilnius to Frankfurt am Main
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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 23 March 2026.

Wed 29/413:19
SEA
-
LHR
1 stop13h 11m
Finnair
Wed 13/509:50
LHR
-
SEA
Nonstop9h 45m
Finnair
Deal found £611
Mon 17/813:30
SEA
-
LHR
Nonstop9h 15m
Finnair
Thu 27/815:15
LHR
-
SEA
1 stop16h 35m
Finnair
Deal found £615
Sun 2/813:30
SEA
-
GLA
1 stop12h 20m
Finnair
Sat 15/817:15
GLA
-
SEA
2 stops33h 34m
Finnair
Deal found £750

Finnair Reviews

Read reviews and feedback from other travellers about their experiences with Finnair sourced from user searches. These reviews were last updated on 23 March 2026 and provide insights based on users' experiences. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Finnair
7.7
Good
1,374 reviews
Check prices
Overview

Crew

8.2

Boarding

7.7

Food

6.7

Comfort

7.5

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 Oulu to Helsinki-Vantaa, 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 £43.

  • What is Finnair’s cheapest international flight?

    The least expensive round-trip international Finnair flight is: -Stockholm Arlanda to Helsinki-Vantaa, -0 stops, -£58 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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