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Cheap flights from London, Ontario to Portland from $293

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to Portland departing on 7/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London, Ontario to Portland

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
6:10 am - 1:50 pm
YXU
-
PDX
10h 40m
1 stop
WestJet Logo
2:30 pm - 5:20 am
PDX
-
YXU
11h 50m
1 stop
$413WestJet
Tue, Jul 28 - Tue, Aug 4
WestJet Logo
5:55 pm - 1:50 pm
YXU
-
PDX
22h 55m
1 stop
WestJet Logo
2:30 pm - 5:20 am
PDX
-
YXU
11h 50m
1 stop
$514WestJet
Tue, Sep 1 - Mon, Sep 7
WestJet Logo
8:40 pm - 1:50 pm
YXU
-
PDX
20h 10m
1 stop
WestJet Logo
2:30 pm - 5:20 am
PDX
-
YXU
11h 50m
1 stop
$515WestJet
Thu, Jul 30 - Fri, Aug 28
Multiple Airlines Logo
8:40 pm - 1:50 pm
YXU
-
PDX
20h 10m
1 stop
Multiple Airlines Logo
9:48 pm - 5:20 am
PDX
-
YXU
28h 32m
2 stops
$571Multiple Airlines
Tue, Jul 28 - Tue, Aug 4
Multiple Airlines Logo
8:40 pm - 1:50 pm
YXU
-
PDX
20h 10m
1 stop
Multiple Airlines Logo
9:46 pm - 5:20 am
PDX
-
YXU
28h 34m
2 stops
$577Multiple Airlines
Tue, Sep 1 - Mon, Sep 7
Air Canada Logo
5:40 am - 2:51 pm
YXU
-
PDX
12h 11m
2 stops
Air Canada Logo
7:45 pm - 5:43 pm
PDX
-
YXU
18h 58m
2 stops
$579Air Canada
Fri, Sep 18 - Sat, Sep 19
Air Canada Logo
5:40 am - 2:51 pm
YXU
-
PDX
12h 11m
2 stops
Air Canada Logo
7:45 pm - 5:43 pm
PDX
-
YXU
18h 58m
2 stops
$580Air Canada
Fri, Sep 18 - Sat, Sep 19
Air Canada Logo
5:40 am - 2:51 pm
YXU
-
PDX
12h 11m
2 stops
Air Canada Logo
7:45 pm - 5:43 pm
PDX
-
YXU
18h 58m
2 stops
$583Air Canada
Fri, Sep 4 - Tue, Sep 8
Air Canada Logo
9:10 pm - 9:31 am
YXU
-
PDX
15h 21m
2 stops
Air Canada Logo
7:45 pm - 9:17 am
PDX
-
YXU
10h 32m
2 stops
$603Air Canada
Tue, Jul 14 - Thu, Jul 16
Air Canada Logo
5:40 am - 7:06 pm
YXU
-
PDX
16h 26m
2 stops
Air Canada Logo
3:30 pm - 9:20 am
PDX
-
YXU
14h 50m
2 stops
$604Air Canada
Fri, Sep 18 - Sat, Sep 19

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WestJet flights from London, Ontario to Portland

Our best WestJet deals on London, Ontario to Portland flight tickets
WestJet
Jul 28
YXU6:10 amLondon
10h 40m
1 stop
PDX1:50 pmPortland
Aug 4
PDX2:30 pmPortland
11h 50m
1 stop
YXU5:20 amLondon
$413
WestJet
Sep 1
YXU5:55 pmLondon
22h 55m
1 stop
PDX1:50 pmPortland
Sep 7
PDX2:30 pmPortland
11h 50m
1 stop
YXU5:20 amLondon
$514
WestJet
Jul 30
YXU8:40 pmLondon
20h 10m
1 stop
PDX1:50 pmPortland
Aug 28
PDX2:30 pmPortland
11h 50m
1 stop
YXU5:20 amLondon
$515

Air Canada flights from London, Ontario to Portland

Our best Air Canada deals on London, Ontario to Portland flight tickets
Air Canada
Sep 18
YXU5:40 amLondon
12h 11m
2 stops
PDX2:51 pmPortland
Sep 19
PDX7:45 pmPortland
18h 58m
2 stops
YXU5:43 pmLondon
$579
Air Canada
Sep 18
YXU5:40 amLondon
12h 11m
2 stops
PDX2:51 pmPortland
Sep 19
PDX7:45 pmPortland
18h 58m
2 stops
YXU5:43 pmLondon
$580
Air Canada
Sep 4
YXU5:40 amLondon
12h 11m
2 stops
PDX2:51 pmPortland
Sep 8
PDX7:45 pmPortland
18h 58m
2 stops
YXU5:43 pmLondon
$583

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 16, 2026.
Use the filters below to find and compare flights from London, Ontario to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LondonPortland

YXU - PDX

YXUPDX

London

Tue 7/28

6:10 am-1:50 pm

1 stop10h 40m

Portland

Tue 8/4

2:30 pm-5:20 am

1 stop11h 50m

$413

LondonPortland

YXU - PDX

YXUPDX

London

Tue 9/1

5:55 pm-1:50 pm

1 stop22h 55m

Portland

Mon 9/7

2:30 pm-5:20 am

1 stop11h 50m

$514

LondonPortland

YXU - PDX

YXUPDX

London

Thu 7/30

8:40 pm-1:50 pm

1 stop20h 10m

Portland

Fri 8/28

2:30 pm-5:20 am

1 stop11h 50m

$515

LondonPortland

YXU - PDX

YXUPDX

London

Tue 7/28

8:40 pm-1:50 pm

1 stop20h 10m

Portland

Tue 8/4

9:48 pm-5:20 am

2 stops28h 32m

$571

LondonPortland

YXU - PDX

YXUPDX

London

Tue 9/1

8:40 pm-1:50 pm

1 stop20h 10m

Portland

Mon 9/7

9:46 pm-5:20 am

2 stops28h 34m

$577

LondonPortland

YXU - PDX

YXUPDX

London

Fri 9/18

5:40 am-2:51 pm

2 stops12h 11m

Portland

Sat 9/19

7:45 pm-5:43 pm

2 stops18h 58m

$579

LondonPortland

YXU - PDX

YXUPDX

London

Fri 9/18

5:40 am-2:51 pm

2 stops12h 11m

Portland

Sat 9/19

7:45 pm-5:43 pm

2 stops18h 58m

$580

LondonPortland

YXU - PDX

YXUPDX

London

Fri 9/4

5:40 am-2:51 pm

2 stops12h 11m

Portland

Tue 9/8

7:45 pm-5:43 pm

2 stops18h 58m

$583

LondonPortland

YXU - PDX

YXUPDX

London

Tue 7/14

9:10 pm-9:31 am

2 stops15h 21m

Portland

Thu 7/16

7:45 pm-9:17 am

2 stops10h 32m

$603

LondonPortland

YXU - PDX

YXUPDX

London

Fri 9/18

5:40 am-7:06 pm

2 stops16h 26m

Portland

Sat 9/19

3:30 pm-9:20 am

2 stops14h 50m

$604

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Portland from

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

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

Delta, Air Canada, and United Airlines are the most popular carriers operating from London to Portland

What airlines fly to Portland?

Delta, United Airlines and Air Canada are the top three most popular airlines that fly to Portland from London, Ontario according to our data. Delta is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Portland. Keep in mind that there are 4 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

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

10h 40m

Direct flights

None
The fastest flight from London, Ontario to Portland takes 10h 40m
There are no direct flights from London, Ontario to Portland. There are no popular flight routes from London, Ontario to Portland.
Search flight deals

Frequently asked questions about flying from London, Ontario to Portland

  • How far is London to Portland by plane?

    London and Portland are 2034.2 mi apart from one another. Typically, this will take 10h 40m 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 are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents you'll need for your trip to Portland Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Portland Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Lincoln City
Seaside
Cannon Beach
Vancouver
Salem
Astoria
Long Beach
Rockaway Beach
Beaverton
Depoe Bay
Hillsboro
Tigard
Longview
Hood River
Newberg
Troutdale
Clackamas
The Dalles
Gresham
McMinnville

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Portland for you.

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

momondo does allow users to show only those flights to Portland from London which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Portland from London.

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.

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