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Cheap flights from Portland to London from $349

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 10/5. 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.
Virgin Atlantic Logo
1:20 pm - 7:35 pm
PDX
-
LCY
22h 15m
1 stop
Virgin Atlantic Logo
5:05 pm - 11:20 am
LCY
-
PDX
26h 15m
1 stop
$909Virgin Atlantic
Sun, Jan 24 - Thu, Jan 28
Virgin Atlantic Logo
1:20 pm - 5:20 pm
PDX
-
LCY
20h 00m
1 stop
Virgin Atlantic Logo
9:20 am - 7:58 pm
LCY
-
PDX
18h 38m
2 stops
$910Virgin Atlantic
Sun, Nov 1 - Thu, Nov 5
SWISS Logo
3:40 pm - 5:05 pm
PDX
-
LCY
17h 25m
2 stops
SWISS Logo
9:15 am - 10:27 pm
LCY
-
PDX
21h 12m
2 stops
$913SWISS
Wed, Nov 4 - Wed, Nov 11
SWISS Logo
8:40 am - 12:50 pm
PDX
-
LCY
20h 10m
2 stops
SWISS Logo
9:15 am - 10:27 pm
LCY
-
PDX
21h 12m
2 stops
$913SWISS
Sun, Nov 8 - Wed, Nov 11
SWISS Logo
3:40 pm - 5:05 pm
PDX
-
LCY
17h 25m
2 stops
SWISS Logo
7:05 pm - 9:02 pm
LCY
-
PDX
33h 57m
2 stops
$913SWISS
Wed, Nov 11 - Thu, Nov 26
Virgin Atlantic Logo
6:15 am - 8:50 am
PDX
-
LCY
18h 35m
2 stops
Virgin Atlantic Logo
8:05 pm - 11:20 am
LCY
-
PDX
23h 15m
1 stop
$914Virgin Atlantic
Sun, Jan 24 - Thu, Jan 28
Virgin Atlantic Logo
11:25 am - 6:25 pm
PDX
-
LCY
23h 00m
2 stops
Virgin Atlantic Logo
6:55 pm - 4:26 pm
LCY
-
PDX
29h 31m
2 stops
$914Virgin Atlantic
Wed, Nov 4 - Mon, Nov 9
Virgin Atlantic Logo
7:05 am - 9:30 am
PDX
-
LCY
18h 25m
2 stops
Virgin Atlantic Logo
7:45 am - 10:02 pm
LCY
-
PDX
22h 17m
2 stops
$914Virgin Atlantic
Wed, Dec 2 - Tue, Dec 8
Virgin Atlantic Logo
1:20 pm - 9:30 am
PDX
-
LCY
12h 10m
1 stop
Virgin Atlantic Logo
5:50 pm - 4:27 pm
LCY
-
PDX
30h 37m
2 stops
$917Virgin Atlantic
Sun, Jan 17 - Wed, Jan 20
SWISS Logo
1:39 pm - 5:05 pm
PDX
-
LCY
19h 26m
2 stops
SWISS Logo
9:15 am - 8:33 pm
LCY
-
PDX
19h 18m
2 stops
$920SWISS
Wed, Dec 2 - Wed, Dec 9

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SWISS flights from Portland to London City Airport

Our best SWISS deals on Portland to London City Airport flight tickets
SWISS
Nov 4
PDX3:40 pmPortland
17h 25m
2 stops
LCY5:05 pmLondon City
Nov 11
LCY9:15 amLondon City
21h 12m
2 stops
PDX10:27 pmPortland
$913
SWISS
Dec 2
PDX1:39 pmPortland
20h 51m
2 stops
LCY6:30 pmLondon City
Dec 7
LCY7:05 pmLondon City
33h 28m
2 stops
PDX8:33 pmPortland
$920
SWISS
Jan 20
PDX1:39 pmPortland
19h 26m
2 stops
LCY5:05 pmLondon City
Jan 29
LCY9:15 amLondon City
19h 18m
2 stops
PDX8:33 pmPortland
$924

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 24
PDX1:20 pmPortland
22h 15m
1 stop
LCY7:35 pmLondon City
Jan 28
LCY5:05 pmLondon City
26h 15m
1 stop
PDX11:20 amPortland
$909
Virgin Atlantic
Nov 4
PDX11:25 amPortland
23h 00m
2 stops
LCY6:25 pmLondon City
Nov 9
LCY6:55 pmLondon City
29h 31m
2 stops
PDX4:26 pmPortland
$914
Virgin Atlantic
Jan 17
PDX1:20 pmPortland
12h 10m
1 stop
LCY9:30 amLondon City
Jan 20
LCY5:50 pmLondon City
30h 37m
2 stops
PDX4:27 pmPortland
$917

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 August 4, 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

Sun 1/24

1:20 pm-7:35 pm

1 stop22h 15m

London City

Thu 1/28

5:05 pm-11:20 am

1 stop26h 15m

$909

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 11/1

1:20 pm-5:20 pm

1 stop20h 00m

London City

Thu 11/5

9:20 am-7:58 pm

2 stops18h 38m

$910
Quickest round-trip

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 11/4

3:40 pm-5:05 pm

2 stops17h 25m

London City

Wed 11/11

9:15 am-10:27 pm

2 stops21h 12m

$913

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 11/8

8:40 am-12:50 pm

2 stops20h 10m

London City

Wed 11/11

9:15 am-10:27 pm

2 stops21h 12m

$913

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 11/11

3:40 pm-5:05 pm

2 stops17h 25m

London City

Thu 11/26

7:05 pm-9:02 pm

2 stops33h 57m

$913

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 1/24

6:15 am-8:50 am

2 stops18h 35m

London City

Thu 1/28

8:05 pm-11:20 am

1 stop23h 15m

$914

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 11/4

11:25 am-6:25 pm

2 stops23h 00m

London City

Mon 11/9

6:55 pm-4:26 pm

2 stops29h 31m

$914

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 12/2

7:05 am-9:30 am

2 stops18h 25m

London City

Tue 12/8

7:45 am-10:02 pm

2 stops22h 17m

$914

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 1/17

1:20 pm-9:30 am

1 stop12h 10m

London City

Wed 1/20

5:50 pm-4:27 pm

2 stops30h 37m

$917

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 12/2

1:39 pm-5:05 pm

2 stops19h 26m

London City

Wed 12/9

9:15 am-8:33 pm

2 stops19h 18m

$920

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, SWISS, and KLM 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

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
Wembley
Dover
Croydon
Stansted
Kingston upon Thames
Slough
Harrow
Watford
Cobham
Richmond
Uxbridge
Worthing
Romford
Ilford
Dunstable

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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