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Cheap flights from Portland to London from $352

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 9/6. 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.
Virgin Atlantic Logo
1:05 pm - 8:50 am
PDX
-
LCY
11h 45m
1 stop
Virgin Atlantic Logo
8:15 pm - 11:10 am
LCY
-
PDX
22h 55m
1 stop
$941Virgin Atlantic
Mon, Sep 28 - Mon, Oct 12
Virgin Atlantic Logo
1:38 pm - 6:30 pm
PDX
-
LCY
20h 52m
2 stops
Virgin Atlantic Logo
5:10 pm - 11:10 am
LCY
-
PDX
26h 00m
1 stop
$946Virgin Atlantic
Wed, Sep 9 - Mon, Sep 21
Virgin Atlantic Logo
1:05 pm - 9:50 am
PDX
-
LCY
12h 45m
1 stop
Virgin Atlantic Logo
5:10 pm - 11:10 am
LCY
-
PDX
26h 00m
1 stop
$950Virgin Atlantic
Sun, Aug 30 - Thu, Sep 3
KLM Logo
1:05 pm - 9:30 am
PDX
-
LCY
12h 25m
1 stop
KLM Logo
8:15 pm - 11:10 am
LCY
-
PDX
22h 55m
1 stop
$951KLM
Sun, Aug 30 - Tue, Sep 8
Virgin Atlantic Logo
1:05 pm - 5:20 pm
PDX
-
LCY
20h 15m
1 stop
Virgin Atlantic Logo
8:15 pm - 11:10 am
LCY
-
PDX
22h 55m
1 stop
$952Virgin Atlantic
Tue, Sep 29 - Sun, Oct 4
Virgin Atlantic Logo
1:52 pm - 4:40 pm
PDX
-
LCY
18h 48m
2 stops
Virgin Atlantic Logo
7:00 pm - 11:10 am
LCY
-
PDX
24h 10m
1 stop
$956Virgin Atlantic
Tue, Sep 29 - Sun, Oct 4
Virgin Atlantic Logo
1:05 pm - 9:50 am
PDX
-
LCY
12h 45m
1 stop
Virgin Atlantic Logo
10:00 am - 10:09 pm
LCY
-
PDX
20h 09m
2 stops
$960Virgin Atlantic
Sun, Aug 30 - Thu, Sep 3
Delta Logo
1:05 pm - 9:30 am
PDX
-
LCY
12h 25m
1 stop
Delta Logo
10:00 am - 8:02 pm
LCY
-
PDX
18h 02m
2 stops
$961Delta
Wed, Sep 16 - Sat, Sep 26
Delta Logo
1:05 pm - 9:30 am
PDX
-
LCY
12h 25m
1 stop
Delta Logo
12:10 pm - 8:02 pm
LCY
-
PDX
15h 52m
2 stops
$962Delta
Wed, Sep 16 - Sat, Sep 26
Virgin Atlantic Logo
3:21 pm - 4:40 pm
PDX
-
LCY
17h 19m
2 stops
Virgin Atlantic Logo
9:20 am - 9:45 pm
LCY
-
PDX
20h 25m
2 stops
$965Virgin Atlantic
Mon, Sep 14 - Mon, Sep 28

Delta flights from Portland to London City Airport

Our best Delta deals on Portland to London City Airport flight tickets
Delta
Sep 16
PDX1:05 pmPortland
12h 25m
1 stop
LCY9:30 amLondon City
Sep 26
LCY10:00 amLondon City
18h 02m
2 stops
PDX8:02 pmPortland
$961
Delta
Sep 16
PDX1:05 pmPortland
12h 25m
1 stop
LCY9:30 amLondon City
Sep 26
LCY12:10 pmLondon City
15h 52m
2 stops
PDX8:02 pmPortland
$962
Delta
Aug 26
PDX1:05 pmPortland
11h 45m
1 stop
LCY8:50 amLondon City
Sep 22
LCY9:20 amLondon City
18h 56m
2 stops
PDX8:16 pmPortland
$991

KLM flights from Portland to London City Airport

Our best KLM deals on Portland to London City Airport flight tickets
KLM
Aug 30
PDX1:05 pmPortland
12h 25m
1 stop
LCY9:30 amLondon City
Sep 8
LCY8:15 pmLondon City
22h 55m
1 stop
PDX11:10 amPortland
$951
KLM
Jul 22
PDX11:15 amPortland
14h 15m
2 stops
LCY9:30 amLondon City
Aug 18
LCY5:50 pmLondon City
25h 20m
1 stop
PDX11:10 amPortland
$986
KLM
Jul 22
PDX1:05 pmPortland
21h 25m
1 stop
LCY6:30 pmLondon City
Aug 18
LCY8:15 pmLondon City
22h 55m
1 stop
PDX11:10 amPortland
$1,054

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 June 1, 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 9/28

1:05 pm-8:50 am

1 stop11h 45m

London City

Mon 10/12

8:15 pm-11:10 am

1 stop22h 55m

$941

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 9/9

1:38 pm-6:30 pm

2 stops20h 52m

London City

Mon 9/21

5:10 pm-11:10 am

1 stop26h 00m

$946

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 8/30

1:05 pm-9:50 am

1 stop12h 45m

London City

Thu 9/3

5:10 pm-11:10 am

1 stop26h 00m

$950

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 8/30

1:05 pm-9:30 am

1 stop12h 25m

London City

Tue 9/8

8:15 pm-11:10 am

1 stop22h 55m

$951

PortlandLondon

PDX - LCY

PDXLCY

Portland

Tue 9/29

1:05 pm-5:20 pm

1 stop20h 15m

London City

Sun 10/4

8:15 pm-11:10 am

1 stop22h 55m

$952

PortlandLondon

PDX - LCY

PDXLCY

Portland

Tue 9/29

1:52 pm-4:40 pm

2 stops18h 48m

London City

Sun 10/4

7:00 pm-11:10 am

1 stop24h 10m

$956

PortlandLondon

PDX - LCY

PDXLCY

Portland

Sun 8/30

1:05 pm-9:50 am

1 stop12h 45m

London City

Thu 9/3

10:00 am-10:09 pm

2 stops20h 09m

$960

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 9/16

1:05 pm-9:30 am

1 stop12h 25m

London City

Sat 9/26

10:00 am-8:02 pm

2 stops18h 02m

$961
Quickest round-trip

PortlandLondon

PDX - LCY

PDXLCY

Portland

Wed 9/16

1:05 pm-9:30 am

1 stop12h 25m

London City

Sat 9/26

12:10 pm-8:02 pm

2 stops15h 52m

$962

PortlandLondon

PDX - LCY

PDXLCY

Portland

Mon 9/14

3:21 pm-4:40 pm

2 stops17h 19m

London City

Mon 9/28

9:20 am-9:45 pm

2 stops20h 25m

$965

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?

KLM, Delta, and SWISS 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
Dover
Hayes
Crawley
Croydon
Wembley
Slough
Stansted
Harrow
Dartford
Brentwood
Watford
Ilford
Cobham
Folkestone
Uxbridge
Guildford

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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