Icelandair Flight FI543 Deals & Information (2025/2026)

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Icelandair Flight 543 Route Deals From $314

The cheapest prices found with in the last 7 days for return flights were $251 and $314 for one-way flights to Keflavik Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Dec 5 - Mon, Dec 8
CDG
Roissy-Charles de Gaulle
KEF
Keflavik Intl.
$251 Roundtrip, found 1 day ago
$251
Roundtrip
found 1 day ago
Select Icelandair flight, departing Fri, Dec 5 from Roissy-Charles de Gaulle to Keflavik Intl., returning Mon, Dec 8, priced at $251 found 1 day ago
Thu, Oct 16 - Sun, Oct 19
CDG
Roissy-Charles de Gaulle
KEF
Keflavik Intl.
$282 Roundtrip, found 3 days ago
$282
Roundtrip
found 3 days ago
Select Icelandair flight, departing Thu, Oct 16 from Roissy-Charles de Gaulle to Keflavik Intl., returning Sun, Oct 19, priced at $282 found 3 days ago
Mon, Nov 10 - Sat, Nov 15
CDG
Roissy-Charles de Gaulle
KEF
Keflavik Intl.
$308 Roundtrip, found 2 hours ago
$308
Roundtrip
found 2 hours ago
Select Icelandair flight, departing Mon, Nov 10 from Roissy-Charles de Gaulle to Keflavik Intl., returning Sat, Nov 15, priced at $308 found 2 hours ago

Frequently asked questions

What route does flight number FI543 take?
Flight number FI543 takes about 3 hours and 25 minutes to fly straight from CDG to Reykjavik Airport (KEF-Keflavik Intl.). Sure, there's magic in the destination, but half the fun is in the journey!
What terminal does FI543 fly out of?
Flight number FI543 runs between Paris Airport (CDG-Roissy-Charles de Gaulle) and Keflavik Intl. Airport (KEF), and travelers on this flight typically board the plane from Terminal 2A.
What kind of plane is on flight number FI543?
Get set to board a Boeing 757-300 if you're traveling on flight FI543. Nearly all services from Roissy Airport to KEF operate using this aircraft model.
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 FI543 flight with Travelocity, please visit our Customer Service Portal.