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$636+ Cheap flights from Portland, ME (PWM) to London City (LCY)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LCY
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Portland to London City

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to London City (LCY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$981
(United)

One-way from

$636
(KLM)

Popular in

June

Cheapest in

November

Average price

$751
Provider with most accurate pricing for Portland-London (LON) flight deals.
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Provider most trusted by Cheapflights users for Portland-London (LON) flights.
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From Portland to London City
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One-way flight from Portland to London City
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($187 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Portland to London City

Cheapest flights from Portland to London City
Explore the most affordable flight options available from Portland to London City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This United deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/156:15 amPWM - LCY
2 stops25h 15mMultiple Airlines
Tue 4/227:20 pmLCY - PWM
2 stops33h 07mMultiple Airlines
Deal found 3/27$981
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/201:00 pmPWM - LCY
2 stops15h 30mDelta
Sat 4/2610:00 amLCY - PWM
2 stops18h 14mDelta
Deal found 3/26$2,244

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to London City 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, Cheapflights users made 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Portland to London City Airport that are best for you.

Fly from

Portland

Fly to

London City

Route

Depart

Return

Price

PortlandLondon

PWM - LCY

PWMLCY

Portland

Tue 4/15

6:15 am-12:30 pm

2 stops25h 15m

London City

Tue 4/22

7:20 pm-11:27 pm

2 stops33h 07m

$981

PortlandLondon

PWM - LCY

PWMLCY

Portland

Sun 4/20

1:00 pm-9:30 am

2 stops15h 30m

London City

Sat 4/26

10:00 am-11:14 pm

2 stops18h 14m

$2,244

PortlandLondon

PWM - LCY

PWMLCY

Portland

Fri 4/18

2:59 pm-8:10 am

2 stops12h 11m

$636

PortlandLondon

PWM - LCY

PWMLCY

Portland

Sat 4/19

2:59 pm-1:15 pm

2 stops17h 16m

$756

PortlandLondon

PWM - LCY

PWMLCY

Portland

Sun 4/20

10:08 am-10:20 am

3 stops43h 12m

$1,071

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Best time to book a flight from Portland to London City

Have a flexible travel schedule? Discover the best time to fly to London City from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to London City Airport

Rainfall in London City by month

Plan your trip to London City by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London City Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London City Airport when rainfall is around 1.6 in.

Temperature in London City by month

Plan your trip to London City by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London City Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London City

Get insights into the airlines that provide service to London City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London City. Reviews last updated March 28, 2025.
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,896 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,896 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

8.0

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Portland to London City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to London City?

    Portland (PWM) is the airport you will fly out of if you book a flight from Portland to London City. You should not have trouble finding flights to London City from Portland; the airport handles an average of 0 outbound flights to London City per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Portland airport to London City. It is only a 2.9 mi journey to Portland (PWM) from Portland’s city center.

  • Can I find deals for flights from Portland to London City that include hotel bookings?

    Yes. In addition to deals on Portland to London City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to London City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to London City.

  • Can I find deals for business class flights from Portland to London City?

    Yes. Cheapflights offers flight deals from Portland to London City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to London City Airport?

    Currently, April is the cheapest month in which you can book a flight from Portland, Maine to London City Airport (average of $686). Flying from Portland, Maine to London City Airport in July is currently the most expensive (average of $1,046). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Luton
Wembley
Harrow
Horley
Canterbury
Gatwick
Dover
Orpington
Watford
Milton Keynes
Croydon
Borehamwood
Bromley
Folkestone
Ilford
Aylesbury
Sutton

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