Which airlines fly to Portland?

United Airlines, Air Canada and WestJet are the top three most popular airlines that fly to Portland from London, Ontario according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when travelling to Portland. Keep in mind that there are 6 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from London to Portland?

United Airlines is the most popular carrier operating from London to Portland

When did momondo last update prices for flights from London Airport to Portland Airport?

Prices for flights from London Airport to Portland Airport refresh daily.

How old do you have to be to fly from London Airport to Portland Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 311 Cheap Flights from London to Portland in 2025/26

1 adult

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Find the cheapest flights from London, Ontario to Portland

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:50 a.m. - 6:30 p.m.

YXU

PDX

11h 40m2 stops

3:15 p.m. - 8:46 a.m.

PDX

YXU

14h 31m2 stops

C$ 788Air Canada

Sun, 18 Jan - Wed, 21 Jan

9:50 a.m. - 6:30 p.m.

YXU

PDX

11h 40m2 stops

3:15 p.m. - 8:46 a.m.

PDX

YXU

14h 31m2 stops

C$ 798Air Canada

Sun, 18 Jan - Wed, 21 Jan

Air Canada flights from London, Ontario to Portland

Our best Air Canada deals on London, Ontario to Portland flight tickets

Air Canada

18 Jan

YXU9:50 a.m.London

11h 40m

2 stops

PDX6:30 p.m.Portland

21 Jan

PDX3:15 p.m.Portland

14h 31m

2 stops

YXU8:46 a.m.London

C$ 788

Find similar

Air Canada

18 Jan

YXU9:50 a.m.London

11h 40m

2 stops

PDX6:30 p.m.Portland

21 Jan

PDX3:15 p.m.Portland

22h 50m

2 stops

YXU5:05 p.m.London

C$ 796

Find similar

Air Canada

18 Jan

YXU9:50 a.m.London

11h 40m

2 stops

PDX6:30 p.m.Portland

21 Jan

PDX3:15 p.m.Portland

14h 31m

2 stops

YXU8:46 a.m.London

C$ 798

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonPortland

YXU - PDX

YXUPDX

London

Sun 18/1

9:50 a.m.-6:30 p.m.

2 stops11h 40m

Portland

Wed 21/1

3:15 p.m.-8:46 a.m.

2 stops14h 31m

C$ 788

LondonPortland

YXU - PDX

YXUPDX

London

Sun 18/1

9:50 a.m.-6:30 p.m.

2 stops11h 40m

Portland

Wed 21/1

3:15 p.m.-8:46 a.m.

2 stops14h 31m

C$ 798

LondonPortland

YXU - PDX

YXUPDX

London

Sun 1/2

9:50 a.m.-10:32 p.m.

2 stops15h 42m

C$ 570

LondonPortland

YXU - PDX

YXUPDX

London

Sun 1/2

5:10 a.m.-2:46 p.m.

3 stops36h 36m

C$ 796

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from London, Ontario to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Portland?

The cheapest day to depart from London, Ontario to Portland is on a Saturday. Travellers who choose to depart for Portland on a Saturday will often find tickets for as low as C$ 426. On the other hand, Thursday is the most expensive day to depart from London, Ontario because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 650.

What is the cheapest time of day to depart on your flight to Portland?

In the morning is the cheapest time of day to fly from London, Ontario to Portland when you can find flight prices for as low as C$ 539. Flying to Portland in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 657 on average. Flights to Portland from London, Ontario in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Can stopping save me money on London, Ontario to Portland flights?

You could potentially save up to 23% on your flight if you consider stops on a London, Ontario to Portland flight.

When to book flights from London, Ontario to Portland

Are you open to changing your travel dates? Check out the ideal times to fly from London, Ontario to Portland according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap London, Ontario to Portland (YXU to PDX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to Portland

Fastest flight time	19h 02m
Direct flights	None

The fastest flight from London, Ontario to Portland takes 19h 02m

There are no direct flights from London, Ontario to Portland. There are no popular flight routes from London, Ontario to Portland.

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How far is London to Portland by plane?
Portland is 3273.7 km away from London. Typically, this will take 19h 02m by plane in normal conditions.
When did momondo last update prices for flights from London Airport to Portland Airport?
Prices for flights from London Airport to Portland Airport refresh daily.
How old do you have to be to fly from London Airport to Portland Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal from London to Portland?

Finding the right flight to Portland from London is quick and easy when you have a range of options in front of you, from reputable agents and recognizable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Portland quick and easy, saving you time and money.

Can I find flights from London to Portland with flexible booking policies on momondo?

All flight searches from London to Portland on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Portland?

Once all potential London to Portland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Portland right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Portland, momondo offers a useful price alert feature which will track prices for flights to Portland from London and alert you when they change.