On your own: London → Warsaw
For a trip of about 14 days in November 2026, the best price we have seen is $429 CAD for Montreal → London, plus $560 CAD for Warsaw → Montreal, $989 CAD in total.
That is $65 CAD more than the round trip to London, but $51 CAD less than the one to Warsaw.
By road, expect about 1681 km (about 17 h of driving) between London and Warsaw.
Open jaw or round trip?
A round trip brings you back to where you landed; the open jaw has you travel between the two cities.
Open jaw or round trip, month by month: London and Warsaw
In our scans, the open jaw between London and Warsaw costs $180 more on average (20%) than the best round trip to either city. The gap is smallest in November ($65 more): it is the price of landing in one city and flying home from another.
| Month | Open jaw | London round trip | Warsaw round trip | Versus best round trip |
|---|---|---|---|---|
| November | $989 | $924 | $1040 | $65 more |
| December | $1109 | $919 | $1040 | $190 more |
| January | $1230 | $837 | $1046 | $393 more |
| February | $1148 | $936 | $1046 | $212 more |
| March | $989 | $922 | $1040 | $67 more |
| April | $989 | $838 | $1046 | $151 more |
For each month: the best open-jaw price (two one-way flights, stays of 14 to 14 days) and the best round trip to each of the two cities (stays of 10 to 18 days, depending on the lengths we scan). Only our latest scans are used.
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Frequently asked questions: London → Warsaw
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 London and fly home from Warsaw instead of returning to where you landed.
How much is a flight from Montreal into London, home from Warsaw?
For about 14 days, the best price we have seen is $989 CAD: $429 CAD to fly into London and $560 CAD to fly home from Warsaw.
Is it cheaper than a round trip to London or Warsaw?
That is $65 CAD more than the round trip to London, but $51 CAD less than the one to Warsaw.
How do I get from London to Warsaw?
By road it is about 1681 km (about 17 h of driving) from London to Warsaw. 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.