Into London Gatwick, home from Porto: an open-jaw flight from Montreal

Land in London Gatwick, travel United Kingdom and Portugal at your own pace, then fly home from Porto.

Total, 2 flights
$883
CAD · 18 days
Trip length Lowest prices Selected Itineraries of 18 to 18 days, from the Oct 22 scan.
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Montreal London Gatwick (LGW) Porto (OPO) $429 $454

Outbound: Montreal → London Gatwick

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$429

On your own: London Gatwick → Porto

1909 km · about 25 h by road

Return: Porto → Montreal

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$454
Total · 18 days Subscribe (free) to see the date and the link

For a trip of about 18 days in November 2026, the best price we have seen is $429 CAD for Montreal → London Gatwick, plus $454 CAD for Porto → Montreal, $883 CAD in total.

That is $156 CAD more than the round trip to Porto: the price of adventure, with no retracing your steps.

By road, expect about 1909 km (about 25 h of driving) between London Gatwick and Porto.

Open jaw or round trip?

Into London Gatwick, home from Porto
$883
Round trip Montreal ↔ London Gatwick
$833 (18 days)
Round trip Montreal ↔ Porto
$727 (18 days)

A round trip brings you back to where you landed; the open jaw has you travel between the two cities.

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Frequently asked questions: London Gatwick → Porto

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 Gatwick and fly home from Porto instead of returning to where you landed.

How much is a flight from Montreal into London Gatwick, home from Porto?

For about 18 days, the best price we have seen is $883 CAD: $429 CAD to fly into London Gatwick and $454 CAD to fly home from Porto.

Is it cheaper than a round trip to London Gatwick or Porto?

That is $156 CAD more than the round trip to Porto: the price of adventure, with no retracing your steps.

How do I get from London Gatwick to Porto?

By road it is about 1909 km (about 25 h of driving) from London Gatwick to Porto. 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.