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Cheap flights from Portland to London from $355

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 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 Portland to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
3:15 pm - 4:40 pm
PDX
-
LCY
17h 25m
2 stops
Virgin Atlantic Logo
8:25 am - 8:00 pm
LCY
-
PDX
19h 35m
2 stops
$913Virgin Atlantic
Tue, Oct 13 - Wed, Oct 21
Virgin Atlantic Logo
11:25 am - 4:35 pm
PDX
-
LCY
21h 10m
2 stops
Virgin Atlantic Logo
8:05 pm - 4:27 pm
LCY
-
PDX
28h 22m
2 stops
$914Virgin Atlantic
Mon, Nov 2 - Mon, Nov 16
SWISS Logo
8:17 am - 5:25 pm
PDX
-
LCY
25h 08m
2 stops
SWISS Logo
9:15 am - 10:45 pm
LCY
-
PDX
21h 30m
2 stops
$915SWISS
Wed, Aug 26 - Tue, Sep 1
SWISS Logo
7:02 am - 5:25 pm
PDX
-
LCY
26h 23m
2 stops
SWISS Logo
9:15 am - 10:23 pm
LCY
-
PDX
45h 08m
2 stops
$917SWISS
Sun, Sep 27 - Thu, Oct 8
SWISS Logo
7:16 am - 12:35 pm
PDX
-
LCY
21h 19m
2 stops
SWISS Logo
9:15 am - 7:11 pm
LCY
-
PDX
17h 56m
2 stops
$918SWISS
Tue, Aug 11 - Tue, Aug 18
SWISS Logo
8:46 am - 6:30 pm
PDX
-
LCY
25h 44m
2 stops
SWISS Logo
7:05 pm - 11:12 pm
LCY
-
PDX
36h 07m
2 stops
$923SWISS
Sun, Nov 1 - Tue, Nov 10
Lufthansa Logo
10:43 am - 5:55 pm
PDX
-
LCY
23h 12m
2 stops
Lufthansa Logo
9:15 am - 9:10 pm
LCY
-
PDX
19h 55m
2 stops
$932Lufthansa
Tue, Oct 6 - Tue, Oct 13
SWISS Logo
7:16 am - 12:35 pm
PDX
-
LCY
21h 19m
2 stops
SWISS Logo
9:15 am - 7:11 pm
LCY
-
PDX
17h 56m
2 stops
$938SWISS
Tue, Aug 11 - Wed, Aug 19
Delta Logo
1:05 pm - 9:30 am
PDX
-
LCY
12h 25m
1 stop
Delta Logo
8:25 am - 9:56 pm
LCY
-
PDX
21h 31m
2 stops
$947Delta
Tue, Oct 6 - Fri, Oct 16
Virgin Atlantic Logo
1:05 pm - 4:40 pm
PDX
-
LCY
19h 35m
1 stop
Virgin Atlantic Logo
5:50 pm - 11:10 am
LCY
-
PDX
25h 20m
1 stop
$948Virgin Atlantic
Thu, Oct 1 - Thu, Oct 8

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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
Aug 26
PDX8:17 amPortland
25h 08m
2 stops
LCY5:25 pmLondon City
Sep 1
LCY9:15 amLondon City
21h 30m
2 stops
PDX10:45 pmPortland
$915
SWISS
Sep 27
PDX7:02 amPortland
26h 23m
2 stops
LCY5:25 pmLondon City
Oct 8
LCY9:15 amLondon City
45h 08m
2 stops
PDX10:23 pmPortland
$917
SWISS
Aug 11
PDX7:16 amPortland
21h 19m
2 stops
LCY12:35 pmLondon City
Aug 18
LCY9:15 amLondon City
17h 56m
2 stops
PDX7:11 pmPortland
$918

Virgin Atlantic flights from Portland to London City Airport

Our best Virgin Atlantic deals on Portland to London City Airport flight tickets
Virgin Atlantic
Aug 16
PDX1:05 pmPortland
12h 25m
1 stop
LCY9:30 amLondon City
Sep 1
LCY7:00 pmLondon City
24h 10m
1 stop
PDX11:10 amPortland
$955
Virgin Atlantic
Sep 16
PDX1:05 pmPortland
12h 25m
1 stop
LCY9:30 amLondon City
Sep 30
LCY7:00 pmLondon City
24h 10m
1 stop
PDX11:10 amPortland
$979
Virgin Atlantic
Sep 23
PDX1:05 pmPortland
11h 45m
1 stop
LCY8:50 amLondon City
Sep 30
LCY7:00 pmLondon City
24h 10m
1 stop
PDX11:10 amPortland
$980

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 2, 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

Tue 10/13

3:15 pm-4:40 pm

2 stops17h 25m

London City

Wed 10/21

8:25 am-8:00 pm

2 stops19h 35m

$913

PortlandLondon

PDX - LCY

PDXLCY

Portland

Mon 11/2

11:25 am-4:35 pm

2 stops21h 10m

London City

Mon 11/16

8:05 pm-4:27 pm

2 stops28h 22m

$914

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 8/26

8:17 am-5:25 pm

2 stops25h 08m

London City

Tue 9/1

9:15 am-10:45 pm

2 stops21h 30m

$915

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 9/27

7:02 am-5:25 pm

2 stops26h 23m

London City

Thu 10/8

9:15 am-10:23 pm

2 stops45h 08m

$917

PortlandLondon

PDX - LCY

PDXLCY

Portland

Tue 8/11

7:16 am-12:35 pm

2 stops21h 19m

London City

Tue 8/18

9:15 am-7:11 pm

2 stops17h 56m

$918

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 11/1

8:46 am-6:30 pm

2 stops25h 44m

London City

Tue 11/10

7:05 pm-11:12 pm

2 stops36h 07m

$923

PortlandLondon

PDX - LCY

PDXLCY

Portland

Tue 10/6

10:43 am-5:55 pm

2 stops23h 12m

London City

Tue 10/13

9:15 am-9:10 pm

2 stops19h 55m

$932

PortlandLondon

PDX - LCY

PDXLCY

Portland

Tue 8/11

7:16 am-12:35 pm

2 stops21h 19m

London City

Wed 8/19

9:15 am-7:11 pm

2 stops17h 56m

$938
Quickest round-trip

PortlandLondon

PDX - LCY

PDXLCY

Portland

Tue 10/6

1:05 pm-9:30 am

1 stop12h 25m

London City

Fri 10/16

8:25 am-9:56 pm

2 stops21h 31m

$947

PortlandLondon

PDX - LCY

PDXLCY

Portland

Thu 10/1

1:05 pm-4:40 pm

1 stop19h 35m

London City

Thu 10/8

5:50 pm-11:10 am

1 stop25h 20m

$948

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?

Aer Lingus, KLM, and Delta 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

17h 25m

Direct flights

None
The fastest flight from Portland to London City Airport takes 17h 25m
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 17h 25m, 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
Croydon
Wembley
Stansted
Harrow
Slough
Watford
Ilford
Cobham
Brentwood
Folkestone
Guildford
Romford
Uxbridge

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

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