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Cheap flights from Portland to London from $397

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 2/4. 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.
Delta Logo
1:25 pm - 7:15 am
PDX
-
LCY
33h 50m1 stop
Delta Logo
8:40 am - 11:25 am
LCY
-
PDX
34h 45m1 stop
$645Delta
Wed, Jan 28 - Thu, Feb 5
Virgin Atlantic Logo
10:00 am - 5:20 pm
PDX
-
LCY
23h 20m2 stops
Virgin Atlantic Logo
8:05 pm - 11:25 am
LCY
-
PDX
23h 20m1 stop
$650Virgin Atlantic
Tue, Feb 10 - Tue, Feb 17
SWISS Logo
10:56 am - 12:55 pm
PDX
-
LCY
17h 59m2 stops
SWISS Logo
7:10 pm - 10:45 pm
LCY
-
PDX
34h 35m2 stops
$651SWISS
Wed, Mar 4 - Wed, Mar 11
Delta Logo
1:30 pm - 4:35 pm
PDX
-
LCY
19h 05m2 stops
Delta Logo
9:20 am - 11:25 am
LCY
-
PDX
34h 05m1 stop
$653Delta
Wed, Jan 28 - Tue, Feb 3
Delta Logo
1:25 pm - 9:30 am
PDX
-
LCY
12h 05m1 stop
Delta Logo
7:45 am - 4:08 pm
LCY
-
PDX
40h 23m2 stops
$655Delta
Wed, Jan 21 - Mon, Jan 26
Delta Logo
9:20 am - 4:35 pm
PDX
-
LCY
23h 15m2 stops
Delta Logo
9:20 am - 11:25 am
LCY
-
PDX
34h 05m1 stop
$656Delta
Wed, Jan 21 - Tue, Jan 27
Virgin Atlantic Logo
1:25 pm - 9:30 am
PDX
-
LCY
12h 05m1 stop
Virgin Atlantic Logo
8:40 am - 5:33 pm
LCY
-
PDX
16h 53m2 stops
$657Virgin Atlantic
Sun, Feb 1 - Fri, Feb 13
Delta Logo
1:25 pm - 9:30 am
PDX
-
LCY
12h 05m1 stop
Delta Logo
7:45 am - 5:35 pm
LCY
-
PDX
17h 50m2 stops
$658Delta
Wed, Jan 28 - Wed, Feb 4
Delta Logo
1:30 pm - 4:35 pm
PDX
-
LCY
19h 05m2 stops
Delta Logo
10:00 am - 6:50 pm
LCY
-
PDX
40h 50m2 stops
$660Delta
Wed, Jan 21 - Mon, Jan 26
Virgin Atlantic Logo
11:10 am - 5:20 pm
PDX
-
LCY
22h 10m2 stops
Virgin Atlantic Logo
8:40 am - 5:33 pm
LCY
-
PDX
16h 53m2 stops
$661Virgin Atlantic
Mon, Feb 9 - Wed, Feb 25

Virgin Atlantic flights from Portland to London City Airport

Our best Virgin Atlantic deals on Portland to London City Airport flight tickets
Virgin Atlantic
Feb 10
PDX10:00 amPortland
23h 20m
2 stops
LCY5:20 pmLondon City
Feb 17
LCY8:05 pmLondon City
23h 20m
1 stop
PDX11:25 amPortland
$650
Virgin Atlantic
Feb 1
PDX1:25 pmPortland
12h 05m
1 stop
LCY9:30 amLondon City
Feb 13
LCY8:40 amLondon City
16h 53m
2 stops
PDX5:33 pmPortland
$657
Virgin Atlantic
Feb 9
PDX11:10 amPortland
21h 25m
2 stops
LCY4:35 pmLondon City
Feb 25
LCY7:45 amLondon City
17h 48m
2 stops
PDX5:33 pmPortland
$661

Delta flights from Portland to London City Airport

Our best Delta deals on Portland to London City Airport flight tickets
Delta
Jan 28
PDX1:25 pmPortland
12h 05m
1 stop
LCY9:30 amLondon City
Feb 3
LCY9:20 amLondon City
34h 05m
1 stop
PDX11:25 amPortland
$645
Delta
Jan 28
PDX1:30 pmPortland
19h 05m
2 stops
LCY4:35 pmLondon City
Feb 3
LCY9:20 amLondon City
34h 05m
1 stop
PDX11:25 amPortland
$653
Delta
Jan 21
PDX1:25 pmPortland
12h 05m
1 stop
LCY9:30 amLondon City
Jan 26
LCY7:45 amLondon City
40h 23m
2 stops
PDX4:08 pmPortland
$655

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 January 11, 2026.
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 1/28

1:25 pm-7:15 am

1 stop33h 50m

London City

Thu 2/5

8:40 am-11:25 am

1 stop34h 45m

$645

PortlandLondon

PDX - LCY

PDXLCY

Portland

Tue 2/10

10:00 am-5:20 pm

2 stops23h 20m

London City

Tue 2/17

8:05 pm-11:25 am

1 stop23h 20m

$650

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 3/4

10:56 am-12:55 pm

2 stops17h 59m

London City

Wed 3/11

7:10 pm-10:45 pm

2 stops34h 35m

$651

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 1/28

1:30 pm-4:35 pm

2 stops19h 05m

London City

Tue 2/3

9:20 am-11:25 am

1 stop34h 05m

$653

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 1/21

1:25 pm-9:30 am

1 stop12h 05m

London City

Mon 1/26

7:45 am-4:08 pm

2 stops40h 23m

$655

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 1/21

9:20 am-4:35 pm

2 stops23h 15m

London City

Tue 1/27

9:20 am-11:25 am

1 stop34h 05m

$656

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 2/1

1:25 pm-9:30 am

1 stop12h 05m

London City

Fri 2/13

8:40 am-5:33 pm

2 stops16h 53m

$657

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 1/28

1:25 pm-9:30 am

1 stop12h 05m

London City

Wed 2/4

7:45 am-5:35 pm

2 stops17h 50m

$658

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 1/21

1:30 pm-4:35 pm

2 stops19h 05m

London City

Mon 1/26

10:00 am-6:50 pm

2 stops40h 50m

$660

PortlandLondon

PDX - LCY

PDXLCY

Portland

Mon 2/9

11:10 am-5:20 pm

2 stops22h 10m

London City

Wed 2/25

8:40 am-5:33 pm

2 stops16h 53m

$661

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 airline that flies from Portland to London City?

SWISS, Lufthansa, and United Airlines are the most popular carriers operating from Portland to London City

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.
Search flight deals

  • 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
Luton
Hounslow
Milton Keynes
Dover
Slough
Guildford
Hayes
Crawley
Dartford
Brentwood
Watford
Wembley
Cobham
Folkestone
Romford
Richmond
Uxbridge
Chelmsford
Stansted

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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