Cheap Finnair flights

LHR
3 Mar — 10 Mar1
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 1 February 2026. In the last 7 days, Cheapflights users made a total of 858,174 searches.

Cheapest Route

£75

Most Popular Route

HEL to OSL

Shortest flight

0h 30m

Longest Flight

12h 15m
Flying from Stockholm Arlanda to Helsinki-Vantaa
Flying from Helsinki-Vantaa to Oslo Gardermoen
Flying from Tallinn to Helsinki-Vantaa
Flying from Oslo Gardermoen 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 1 February 2026.

Tue 10/323:10
ATL
-
LHR
Nonstop8h 05m
Finnair
Tue 17/315:35
LHR
-
ATL
Nonstop9h 35m
Finnair
Deal found £540
Tue 17/323:10
ATL
-
LHR
Nonstop8h 05m
Finnair
Tue 21/416:10
LHR
-
ATL
Nonstop9h 25m
Finnair
Deal found £547
Tue 5/515:23
ATL
-
GLA
2 stops14h 22m
Finnair
Tue 12/509:35
GLA
-
ATL
2 stops17h 23m
Finnair
Deal found £838

Finnair Reviews

Read reviews and feedback from other travellers about their experiences with Finnair sourced from user searches. These reviews were last updated on 1 February 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
1,357 reviews
Overview

Comfort

7.5

Crew

8.2

Entertainment

6.9

Boarding

7.7

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 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 £50.

  • What is Finnair’s cheapest international flight?

    The least expensive round-trip international Finnair flight is: -Stockholm Arlanda to Helsinki-Vantaa, -0 stops, -£75 per ticket Finnair has international one-way flights available, but the cheapest is a flight from Tromso/Langnes to Rovaniemi for just £37. This flight has 0 stops.

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