Cheap flights from Glasgow to Portland Maine

from as little as £651

13 nights in Portland Maine, departing Glasgow on 11 / Sep / 2025 with KLM (price found 125 hours ago)

Subject to availability, prices correct of the last 24 hours
Portland Maine

The Glasgow / Portland Maine route

All 4729 km of it

Cheap flight deals for this route

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Portland Maine flight facts

What you need to know

Alternative flights from the UK to Portland Maine

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Portland Maine

11 / Sep / 2025 is currently the lowest priced day of the year to fly the Glasgow/Portland Maine route. There are around 33 flights on any given week from the UK to Portland Maine and the cheapest month to fly right now is September.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

-8 °C

AVG

9 °C

HIGHEST

27 °C

Rainfall (mm)
LOWEST

65 mm

AVG

89.8 mm

HIGHEST

125 mm

Key facts about Portland Maine

How to get cheap flights from Glasgow to Portland Maine

Tips and advice from our flight experts

You’ve searched for flights from Glasgow to Portland Maine. We've gone through all 33 flights that go to or via Portland Maine every week, to help you find the cheapest flight. KLM usually has the best-value flights from Glasgow, but make sure you compare all your options to get the cheapest flight possible.

When you fly from Glasgow to Portland Maine, you'll have four airlines to choose from for your 4729 km journey. If you're planning to fly in peak season, make sure you book in advance to get a reasonable price. Or you could hold on and try to get a last-minute bargain.

To sort cheap flights to Portland Maine, it's best to start searching for flights by month, as this will show you when prices are at their lowest. Keep an eye on KLM too, as they're the most popular airline for flying from Glasgow to Portland Maine.

It takes about 18 hrs 40 mins to fly from Glasgow to Portland Maine. Once you’ve chosen your flight, go through and fill out your details to complete your booking. If you haven’t yet sorted your hotel or car hire, take a look at our competitive rates – then you can book your flights and accommodation in one go.

Other popular destinations near Portland Maine

Where other people are flying to

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