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Cheap flights from Portland to London from $345

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 10/11. 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 Portland to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
3:36 pm - 5:05 pm
PDX
-
LCY
18h 29m
2 stops
SWISS Logo
9:15 am - 11:12 pm
LCY
-
PDX
20h 57m
2 stops
$871SWISS
Mon, Oct 26 - Wed, Oct 28
Virgin Atlantic Logo
1:05 pm - 7:45 pm
PDX
-
LCY
22h 40m
1 stop
Virgin Atlantic Logo
5:10 pm - 11:10 am
LCY
-
PDX
26h 00m
1 stop
$899Virgin Atlantic
Mon, Oct 12 - Wed, Oct 21
Virgin Atlantic Logo
1:20 pm - 5:20 pm
PDX
-
LCY
20h 00m
1 stop
Virgin Atlantic Logo
8:05 pm - 11:20 am
LCY
-
PDX
23h 15m
1 stop
$900Virgin Atlantic
Mon, Nov 2 - Thu, Nov 12
Virgin Atlantic Logo
3:31 pm - 6:30 pm
PDX
-
LCY
18h 59m
2 stops
Virgin Atlantic Logo
7:00 pm - 11:10 am
LCY
-
PDX
24h 10m
1 stop
$904Virgin Atlantic
Mon, Oct 12 - Wed, Oct 21
Virgin Atlantic Logo
3:31 pm - 4:40 pm
PDX
-
LCY
17h 09m
2 stops
Virgin Atlantic Logo
8:15 pm - 11:10 am
LCY
-
PDX
22h 55m
1 stop
$905Virgin Atlantic
Tue, Oct 13 - Mon, Oct 19
Virgin Atlantic Logo
1:20 pm - 7:35 pm
PDX
-
LCY
22h 15m
1 stop
Virgin Atlantic Logo
6:55 pm - 4:27 pm
LCY
-
PDX
29h 32m
2 stops
$909Virgin Atlantic
Wed, Nov 11 - Mon, Nov 16
Virgin Atlantic Logo
1:20 pm - 4:35 pm
PDX
-
LCY
19h 15m
1 stop
Virgin Atlantic Logo
8:05 pm - 4:27 pm
LCY
-
PDX
28h 22m
2 stops
$910Virgin Atlantic
Wed, Nov 4 - Wed, Nov 11
Virgin Atlantic Logo
6:00 am - 8:10 am
PDX
-
LCY
18h 10m
2 stops
Virgin Atlantic Logo
7:45 am - 7:43 pm
LCY
-
PDX
19h 58m
2 stops
$914Virgin Atlantic
Wed, Nov 4 - Wed, Nov 18
Delta Logo
1:05 pm - 8:50 am
PDX
-
LCY
11h 45m
1 stop
Delta Logo
9:20 am - 10:34 am
LCY
-
PDX
32h 14m
2 stops
$915Delta
Sun, Oct 18 - Fri, Oct 30
SWISS Logo
1:19 pm - 5:05 pm
PDX
-
LCY
19h 46m
2 stops
SWISS Logo
9:15 am - 9:02 pm
LCY
-
PDX
19h 47m
2 stops
$916SWISS
Mon, Nov 23 - Fri, Nov 27

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Delta flights from Portland to London City Airport

Our best Delta deals on Portland to London City Airport flight tickets
Delta
Oct 18
PDX1:05 pmPortland
11h 45m
1 stop
LCY8:50 amLondon City
Oct 30
LCY9:20 amLondon City
32h 14m
2 stops
PDX10:34 amPortland
$915
Delta
Oct 17
PDX5:49 pmPortland
31h 41m
2 stops
LCY9:30 amLondon City
Nov 2
LCY10:00 amLondon City
36h 54m
2 stops
PDX2:54 pmPortland
$920
Delta
Oct 17
PDX5:49 pmPortland
31h 41m
2 stops
LCY9:30 amLondon City
Oct 30
LCY9:20 amLondon City
32h 14m
2 stops
PDX10:34 amPortland
$925

SWISS flights from Portland to London City Airport

Our best SWISS deals on Portland to London City Airport flight tickets
SWISS
Oct 26
PDX3:36 pmPortland
18h 29m
2 stops
LCY5:05 pmLondon City
Oct 28
LCY9:15 amLondon City
20h 57m
2 stops
PDX11:12 pmPortland
$871
SWISS
Nov 23
PDX1:19 pmPortland
19h 46m
2 stops
LCY5:05 pmLondon City
Nov 27
LCY9:15 amLondon City
19h 47m
2 stops
PDX9:02 pmPortland
$916
SWISS
Nov 23
PDX1:19 pmPortland
21h 11m
2 stops
LCY6:30 pmLondon City
Dec 2
LCY7:05 pmLondon City
33h 28m
2 stops
PDX8:33 pmPortland
$921

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 July 14, 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

Cheapest round-trip

PortlandLondon

PDX - LCY

PDXLCY

Portland

Mon 10/26

3:36 pm-5:05 pm

2 stops18h 29m

London City

Wed 10/28

9:15 am-11:12 pm

2 stops20h 57m

$871

PortlandLondon

PDX - LCY

PDXLCY

Portland

Mon 10/12

1:05 pm-7:45 pm

1 stop22h 40m

London City

Wed 10/21

5:10 pm-11:10 am

1 stop26h 00m

$899

PortlandLondon

PDX - LCY

PDXLCY

Portland

Mon 11/2

1:20 pm-5:20 pm

1 stop20h 00m

London City

Thu 11/12

8:05 pm-11:20 am

1 stop23h 15m

$900

PortlandLondon

PDX - LCY

PDXLCY

Portland

Mon 10/12

3:31 pm-6:30 pm

2 stops18h 59m

London City

Wed 10/21

7:00 pm-11:10 am

1 stop24h 10m

$904

PortlandLondon

PDX - LCY

PDXLCY

Portland

Tue 10/13

3:31 pm-4:40 pm

2 stops17h 09m

London City

Mon 10/19

8:15 pm-11:10 am

1 stop22h 55m

$905

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 11/11

1:20 pm-7:35 pm

1 stop22h 15m

London City

Mon 11/16

6:55 pm-4:27 pm

2 stops29h 32m

$909

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 11/4

1:20 pm-4:35 pm

1 stop19h 15m

London City

Wed 11/11

8:05 pm-4:27 pm

2 stops28h 22m

$910
Quickest round-trip

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 11/4

6:00 am-8:10 am

2 stops18h 10m

London City

Wed 11/18

7:45 am-7:43 pm

2 stops19h 58m

$914

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 10/18

1:05 pm-8:50 am

1 stop11h 45m

London City

Fri 10/30

9:20 am-10:34 am

2 stops32h 14m

$915

PortlandLondon

PDX - LCY

PDXLCY

Portland

Mon 11/23

1:19 pm-5:05 pm

2 stops19h 46m

London City

Fri 11/27

9:15 am-9:02 pm

2 stops19h 47m

$916

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?

Delta is the most popular carrier 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

Frequently asked questions about flying from Portland to London City Airport

  • 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
Hounslow
Gatwick
Milton Keynes
Luton
Hayes
Dover
Crawley
Wembley
Croydon
Stansted
Slough
Harrow
Kingston upon Thames
Watford
Brentwood
Ilford
Cobham
Folkestone
Guildford
Romford

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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