Icelandair Flight AY343 Deals & Information (2025/2026)

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Icelandair Flight 343 Route Deals From $148

The cheapest prices found with in the last 7 days for return flights were $243 and $148 for one-way flights to Keflavik Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jan 14 - Sat, Jan 17
HEL
Vantaa
KEF
Keflavik Intl.
$243 Roundtrip, found 1 day ago
$243
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Jan 14 from Vantaa to Keflavik Intl., returning Sat, Jan 17, priced at $243 found 1 day ago
Mon, Oct 20 - Wed, Oct 29
HEL
Vantaa
KEF
Keflavik Intl.
$243 Roundtrip, found 2 days ago
$243
Roundtrip
found 2 days ago
Select Icelandair flight, departing Mon, Oct 20 from Vantaa to Keflavik Intl., returning Wed, Oct 29, priced at $243 found 2 days ago
Sat, Nov 8 - Sun, Nov 16
HEL
Vantaa
KEF
Keflavik Intl.
$244 Roundtrip, found 6 days ago
$244
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sat, Nov 8 from Vantaa to Keflavik Intl., returning Sun, Nov 16, priced at $244 found 6 days ago
Fri, Nov 7 - Tue, Nov 11
HEL
Vantaa
KEF
Keflavik Intl.
$246 Roundtrip, found 4 days ago
$246
Roundtrip
found 4 days ago
Select Icelandair flight, departing Fri, Nov 7 from Vantaa to Keflavik Intl., returning Tue, Nov 11, priced at $246 found 4 days ago
Sun, Mar 15 - Sat, Mar 21
HEL
Vantaa
KEF
Keflavik Intl.
$282 Roundtrip, found 2 days ago
$282
Roundtrip
found 2 days ago
Select Icelandair flight, departing Sun, Mar 15 from Vantaa to Keflavik Intl., returning Sat, Mar 21, priced at $282 found 2 days ago
Thu, Nov 6 - Wed, Nov 12
HEL
Vantaa
KEF
Keflavik Intl.
$285 Roundtrip, found 1 day ago
$285
Roundtrip
found 1 day ago
Select Icelandair flight, departing Thu, Nov 6 from Vantaa to Keflavik Intl., returning Wed, Nov 12, priced at $285 found 1 day ago
Mon, Oct 6 - Mon, Oct 13
HEL
Vantaa
KEF
Keflavik Intl.
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select Icelandair flight, departing Mon, Oct 6 from Vantaa to Keflavik Intl., returning Mon, Oct 13, priced at $289 found 1 day ago
Sat, Nov 1 - Tue, Nov 4
HEL
Vantaa
KEF
Keflavik Intl.
$309 Roundtrip, found 4 days ago
$309
Roundtrip
found 4 days ago
Select Icelandair flight, departing Sat, Nov 1 from Vantaa to Keflavik Intl., returning Tue, Nov 4, priced at $309 found 4 days ago
Mon, Oct 6 - Mon, Oct 13
HEL
Vantaa
KEF
Keflavik Intl.
$313 Roundtrip, found 1 day ago
$313
Roundtrip
found 1 day ago
Select Icelandair flight, departing Mon, Oct 6 from Vantaa to Keflavik Intl., returning Mon, Oct 13, priced at $313 found 1 day ago
Sun, Nov 16 - Sat, Nov 22
HEL
Vantaa
KEF
Keflavik Intl.
$313 Roundtrip, found 2 days ago
$313
Roundtrip
found 2 days ago
Select Icelandair flight, departing Sun, Nov 16 from Vantaa to Keflavik Intl., returning Sat, Nov 22, priced at $313 found 2 days ago
Fri, Nov 7 - Tue, Nov 11
HEL
Vantaa
KEF
Keflavik Intl.
$315 Roundtrip, found 4 days ago
$315
Roundtrip
found 4 days ago
Select Icelandair flight, departing Fri, Nov 7 from Vantaa to Keflavik Intl., returning Tue, Nov 11, priced at $315 found 4 days ago
Mon, Oct 6 - Thu, Oct 9
HEL
Vantaa
KEF
Keflavik Intl.
$319 Roundtrip, found 2 days ago
$319
Roundtrip
found 2 days ago
Select Icelandair flight, departing Mon, Oct 6 from Vantaa to Keflavik Intl., returning Thu, Oct 9, priced at $319 found 2 days ago
Wed, Apr 22 - Wed, Apr 29
HEL
Vantaa
KEF
Keflavik Intl.
$320 Roundtrip, found 1 day ago
$320
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Apr 22 from Vantaa to Keflavik Intl., returning Wed, Apr 29, priced at $320 found 1 day 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.