On your own: Keflavík → Copenhagen
For a trip of about 30 days in December 2026, the best price we have seen is $893 CAD for Montreal → Keflavík, plus $622 CAD for Copenhagen → Montreal, $1515 CAD in total.
By road, expect about 1634 km (about 40 h of driving) between Keflavík and Copenhagen.
Open jaw or round trip, month by month: Keflavík and Copenhagen
In our scans, the open jaw between Keflavík and Copenhagen costs $575 more on average (61%) than the best round trip to either city. The gap is smallest in December ($509 more): it is the price of landing in one city and flying home from another.
| Month | Open jaw | Keflavík round trip | Copenhagen round trip | Versus best round trip |
|---|---|---|---|---|
| November | $1553 | $932 | $974 | $621 more |
| December | $1515 | $1006 | $1024 | $509 more |
| January | $1515 | $944 | $969 | $571 more |
| February | $1515 | $944 | $969 | $571 more |
| March | $1515 | $913 | $969 | $602 more |
For each month: the best open-jaw price (two one-way flights, stays of 30 to 30 days) and the best round trip to each of the two cities (stays of 26 to 34 days, depending on the lengths we scan). Only our latest scans are used.
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Frequently asked questions: Keflavík → Copenhagen
What is an open-jaw flight?
An open-jaw (or multi-city) flight arrives in one city and leaves from another. Here you arrive in Keflavík and fly home from Copenhagen instead of returning to where you landed.
How much is a flight from Montreal into Keflavík, home from Copenhagen?
For about 30 days, the best price we have seen is $1515 CAD: $893 CAD to fly into Keflavík and $622 CAD to fly home from Copenhagen.
How do I get from Keflavík to Copenhagen?
By road it is about 1634 km (about 40 h of driving) from Keflavík to Copenhagen. Train, bus or a rental car are the usual options; that cost is not included in the prices shown.
Are these prices guaranteed?
No. They are the best prices from our latest scan and they change often. Check the final price on Google Flights before you book.