KLM Cheap Flights from Porto to Reykjavik

View €143 flight on Thu, 16 Oct 2025Opens in a new window
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Prices were available within the past 7 days and start at €143 for one-way flights and €337 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

KLM
Thu, 9 Oct - Thu, 16 Oct
OPO
Porto
KEF
Reykjavik
€337 Return, found 2 days ago
€337
Return
found 2 days ago
Select KLM flight, departing Thu, 9 Oct from Porto to Reykjavik, returning Thu, 16 Oct, priced at €337 found 2 days ago
KLM
Thu, 9 Oct - Thu, 16 Oct
OPO
Porto
KEF
Reykjavik
€356 Return, found 2 days ago
€356
Return
found 2 days ago
Select KLM flight, departing Thu, 9 Oct from Porto to Reykjavik, returning Thu, 16 Oct, priced at €356 found 2 days ago
KLM
Thu, 9 Oct - Thu, 16 Oct
OPO
Porto
KEF
Reykjavik
€357 Return, found 2 days ago
€357
Return
found 2 days ago
Select KLM flight, departing Thu, 9 Oct from Porto to Reykjavik, returning Thu, 16 Oct, priced at €357 found 2 days ago
KLM
Thu, 9 Oct - Thu, 16 Oct
OPO
Porto
KEF
Reykjavik
€373 Return, found 2 days ago
€373
Return
found 2 days ago
Select KLM flight, departing Thu, 9 Oct from Porto to Reykjavik, returning Thu, 16 Oct, priced at €373 found 2 days ago
KLM
Thu, 18 Sept - Sun, 28 Sept
OPO
Porto
KEF
Reykjavik
€382 Return, found 4 days ago
€382
Return
found 4 days ago
Select KLM flight, departing Thu, 18 Sept from Porto to Reykjavik, returning Sun, 28 Sept, priced at €382 found 4 days ago
KLM
Thu, 9 Oct - Thu, 16 Oct
OPO
Porto
KEF
Reykjavik
€382 Return, found 2 days ago
€382
Return
found 2 days ago
Select KLM flight, departing Thu, 9 Oct from Porto to Reykjavik, returning Thu, 16 Oct, priced at €382 found 2 days ago
Porto to Reykjavik route information
Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Keflavik Intl.
Airlines serving
Fly Play, Lufthansa, Scandinavian Airlines, TAP Portugal, World Ticket Ltd
Popular airline
Scandinavian Airlines
Distance
2670 km
Average flight time
3 hours 5 mins

Frequently asked questions

How much is a KLM flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Keflavik Intl. Airport (KEF)?
Grab affordable round-trip KLM flights from €337 from OPO to KEF by filtering your results from "Price (lowest to highest)" on Expedia. Or search for options from €143 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from OPO to KEF with KLM?
January is one of the least expensive months to fly to Reykjavik with KLM. You could also find excellent prices on return and one-way tickets in April.
Does KLM fly nonstop from Dr. Francisco de Sa Carneiro Airport (OPO) to Keflavik Intl. Airport (KEF)?
Enter your dates, click search and use the "Nonstop" filter on Expedia to find any direct flights from OPO to KEF with KLM or other carriers.
What airports does KLM fly into in Reykjavik?
Keflavik Intl. Airport (KEF) is the main Reykjavik gateway for KLM flights from Dr. Francisco de Sa Carneiro Airport (OPO).
Can I change or cancel my KLM flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Keflavik Intl. Airport (KEF)?
Depending on the type of fare you purchased, a fee will generally apply if you cancel or reschedule your booking more than 24 hours after it's been confirmed. To secure tickets with more flexibility, select our "No cancel fee" or "Changes included" filter while looking for flights. For more information on cancelling or changing your reservation, visit "Trips," select your flight and click on "Manage Booking."
*Available to Expedia members.