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Cheap flights from Portland to London from $372

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to London departing on 1/28. 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
0 bags

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Find the cheapest flights from Portland to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
10:47 am - 12:55 pmPDX-LCY
18h 08m2 stops
SWISS Logo
5:40 pm - 10:32 pmLCY-PDX
36h 52m2 stops
$633SWISS
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Wed, Jan 21 - Wed, Jan 28
Delta Logo
2:25 pm - 4:35 pmPDX-LCY
19h 10m1 stop
Delta Logo
10:00 am - 12:25 pmLCY-PDX
33h 25m1 stop
$641Delta
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Sun, Mar 8 - Tue, Mar 17
Delta Logo
1:25 pm - 4:35 pmPDX-LCY
19h 10m1 stop
Delta Logo
10:00 am - 11:25 amLCY-PDX
33h 25m1 stop
$644Delta
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Wed, Feb 4 - Tue, Feb 10
Delta Logo
10:40 am - 8:50 amPDX-LCY
39h 10m2 stops
Delta Logo
10:00 am - 12:25 pmLCY-PDX
33h 25m1 stop
$646Delta
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Sun, Mar 8 - Thu, Mar 19
Delta Logo
1:25 pm - 9:30 amPDX-LCY
12h 05m1 stop
Delta Logo
10:00 am - 12:25 pmLCY-PDX
33h 25m1 stop
$647Delta
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Sun, Mar 1 - Tue, Mar 10
Virgin Atlantic Logo
1:25 pm - 5:20 pmPDX-LCY
19h 55m1 stop
Virgin Atlantic Logo
7:45 am - 7:13 pmLCY-PDX
19h 28m2 stops
$651Virgin Atlantic
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Wed, Jan 14 - Wed, Jan 21
Delta Logo
7:05 am - 4:35 pmPDX-LCY
26h 30m2 stops
Delta Logo
10:00 am - 6:13 pmLCY-PDX
39h 13m2 stops
$656Delta
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Sun, Mar 8 - Wed, Mar 18
Lufthansa Logo
9:50 am - 5:40 pmPDX-LCY
23h 50m2 stops
Lufthansa Logo
9:50 am - 11:04 pmLCY-PDX
20h 14m2 stops
$659Lufthansa
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Wed, Mar 4 - Wed, Mar 11
Virgin Atlantic Logo
1:05 pm - 7:45 pmPDX-LCY
22h 40m1 stop
Virgin Atlantic Logo
9:20 am - 9:11 pmLCY-PDX
19h 51m2 stops
$665Virgin Atlantic
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Wed, Apr 1 - Wed, Apr 8
Virgin Atlantic Logo
2:25 pm - 4:35 pmPDX-LCY
19h 10m1 stop
Virgin Atlantic Logo
8:25 am - 6:41 pmLCY-PDX
18h 16m2 stops
$666Virgin Atlantic
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Mon, Mar 16 - Thu, Apr 23

Virgin Atlantic flights from Portland to London City Airport

Our best Virgin Atlantic deals on Portland to London City Airport flight tickets
Virgin Atlantic
Jan 14
PDX1:25 pmPortland
19h 55m
1 stop
LCY5:20 pmLondon City
Jan 21
LCY7:45 amLondon City
19h 28m
2 stops
PDX7:13 pmPortland
$651
Find similar
Virgin Atlantic
Apr 1
PDX1:05 pmPortland
22h 40m
1 stop
LCY7:45 pmLondon City
Apr 8
LCY9:20 amLondon City
19h 51m
2 stops
PDX9:11 pmPortland
$665
Find similar
Virgin Atlantic
Mar 16
PDX2:25 pmPortland
19h 10m
1 stop
LCY4:35 pmLondon City
Apr 23
LCY8:25 amLondon City
18h 16m
2 stops
PDX6:41 pmPortland
$666
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KLM flights from Portland to London City Airport

Our best KLM deals on Portland to London City Airport flight tickets
KLM
Jan 15
PDX7:00 amPortland
17h 10m
2 stops
LCY8:10 amLondon City
Apr 2
LCY8:15 pmLondon City
22h 55m
1 stop
PDX11:10 amPortland
$710
Find similar
KLM
Jan 16
PDX1:25 pmPortland
12h 05m
1 stop
LCY9:30 amLondon City
Jan 23
LCY7:45 amLondon City
19h 28m
2 stops
PDX7:13 pmPortland
$804
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momondo Fare Finder

 
Customize your flight search to find flights from Portland to London City Airport 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 December 2, 2025.
Use the filters below to find and compare flights from Portland to London City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 1/21

10:47 am-12:55 pm

2 stops18h 08m

London City

Wed 1/28

5:40 pm-10:32 pm

2 stops36h 52m

$633

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 3/8

2:25 pm-4:35 pm

1 stop19h 10m

London City

Tue 3/17

10:00 am-12:25 pm

1 stop33h 25m

$641

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 2/4

1:25 pm-4:35 pm

1 stop19h 10m

London City

Tue 2/10

10:00 am-11:25 am

1 stop33h 25m

$644

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 3/8

10:40 am-8:50 am

2 stops39h 10m

London City

Thu 3/19

10:00 am-12:25 pm

1 stop33h 25m

$646

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 3/1

1:25 pm-9:30 am

1 stop12h 05m

London City

Tue 3/10

10:00 am-12:25 pm

1 stop33h 25m

$647

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 1/14

1:25 pm-5:20 pm

1 stop19h 55m

London City

Wed 1/21

7:45 am-7:13 pm

2 stops19h 28m

$651

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 3/8

7:05 am-4:35 pm

2 stops26h 30m

London City

Wed 3/18

10:00 am-6:13 pm

2 stops39h 13m

$656

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 3/4

9:50 am-5:40 pm

2 stops23h 50m

London City

Wed 3/11

9:50 am-11:04 pm

2 stops20h 14m

$659

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 4/1

1:05 pm-7:45 pm

1 stop22h 40m

London City

Wed 4/8

9:20 am-9:11 pm

2 stops19h 51m

$665

PortlandLondon

PDX - LCY

PDXLCY

Portland

Mon 3/16

2:25 pm-4:35 pm

1 stop19h 10m

London City

Thu 4/23

8:25 am-6:41 pm

2 stops18h 16m

$666

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 London from

How to get the cheapest flight ticket from Portland to London City Airport

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 time of day to depart on your flight to London City Airport?

Our most recent data shows that the best time of day to fly to London City Airport is in the afternoon. Flights from Portland to London City Airport during this time can be as low as $717. Flights at noon are often more expensive with an average ticket price of $1,417.

When to book flights from Portland to London City Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to London City Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to London City Airport (PDX to LCY) flight deals and tips

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

Fastest flight time

11h 45m

Direct flights

None
The fastest flight from Portland to London City Airport takes 11h 45m
There are no direct flights from Portland to London City Airport. There are no popular flight routes from Portland to London City Airport.
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  • How far is Portland to London City by plane?

    Portland and London City are 4914.3 mi apart from one another. Flights usually cover this in 11h 45m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Portland Airport to London City Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to London City Airport.

  • What documentation or ID do you need to fly to London City Airport?

    The required travel and health documents for your London City 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 London City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Crawley
Brentwood
Wembley
Romford
Watford
Ilford
Cobham
Folkestone
Uxbridge
Stansted
Chelmsford

Why use momondo?

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

It is quick and easy to find Portland to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

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

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

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

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 London from Portland.

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

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

An easier way to manage your London City Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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