Icelandair Flight 343 Deals & Information (2026/2027)

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Icelandair Flight 343 Route Deals From $151

The cheapest prices found with in the last 7 days for return flights were $303 and $151 for one-way flights to Keflavik Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 29 - Sat, Sep 5
HEL
Vantaa
KEF
Keflavik Intl.
$303 Roundtrip, found 6 days ago
$303
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sat, Aug 29 from Vantaa to Keflavik Intl., returning Sat, Sep 5, priced at $303 found 6 days ago
Sat, Aug 29 - Sat, Sep 5
HEL
Vantaa
KEF
Keflavik Intl.
$329 Roundtrip, found 6 days ago
$329
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sat, Aug 29 from Vantaa to Keflavik Intl., returning Sat, Sep 5, priced at $329 found 6 days ago
Sat, Aug 29 - Sat, Sep 5
HEL
Vantaa
KEF
Keflavik Intl.
$341 Roundtrip, found 6 days ago
$341
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sat, Aug 29 from Vantaa to Keflavik Intl., returning Sat, Sep 5, priced at $341 found 6 days ago
Sat, Aug 29 - Sat, Sep 5
HEL
Vantaa
KEF
Keflavik Intl.
$350 Roundtrip, found 6 days ago
$350
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sat, Aug 29 from Vantaa to Keflavik Intl., returning Sat, Sep 5, priced at $350 found 6 days ago
Sat, Aug 29 - Sat, Sep 5
HEL
Vantaa
KEF
Keflavik Intl.
$355 Roundtrip, found 6 days ago
$355
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sat, Aug 29 from Vantaa to Keflavik Intl., returning Sat, Sep 5, priced at $355 found 6 days ago
Sat, May 30 - Wed, Jun 3
HEL
Vantaa
KEF
Keflavik Intl.
$371 Roundtrip, found 3 days ago
$371
Roundtrip
found 3 days ago
Select Icelandair flight, departing Sat, May 30 from Vantaa to Keflavik Intl., returning Wed, Jun 3, priced at $371 found 3 days ago

Frequently asked questions

What route does flight number FI343 take?
Flight number FI343 flies non-stop from Helsinki Airport (HEL-Vantaa) to Keflavik Intl. Airport (KEF). During this journey, expect to be in the air for about 3 hours and 35 minutes. Book ahead to secure your preferred seat.
What terminal does FI343 fly out of?
FI343 runs between Helsinki Airport and Reykjavik Airport (KEF-Keflavik Intl.), and those taking this flight generally jet off from Terminal 1.
What kind of plane is on flight number FI343?
Get ready to board a Boeing 737 MAX 8 if you're traveling on flight FI343. Most flights from HEL to KEF use this aircraft type.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your FI343 flight with Travelocity, please visit our Customer Service Portal.