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$492+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LCY
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$891
(United Airlines)

One-way from

$492
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$1,188
From Portland to London City
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One-way flight from Portland to London City
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Highest demand for flights based on searches. 19% potential increase in price ($211 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($31 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/262:14 pmPWM - LCY
2 stops17h 16mMultiple Airlines
Tue 9/27:20 pmLCY - PWM
2 stops28h 06mMultiple Airlines
Deal found 7/29$891
This Delta deal was found by Cheapflights users on 7/29. 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.
Fri 11/145:30 amPWM - LCY
2 stops21h 40mDelta
Tue 11/188:40 amLCY - PWM
2 stops19h 51mDelta
Deal found 7/29$1,054

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 July 30, 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 8/26

2:14 pm-12:30 pm

2 stops17h 16m

London City

Tue 9/2

7:20 pm-6:26 pm

2 stops28h 06m

$891

PortlandLondon

PWM - LCY

PWMLCY

Portland

Fri 11/14

5:30 am-8:10 am

2 stops21h 40m

London City

Tue 11/18

8:40 am-11:31 pm

2 stops19h 51m

$1,054

PortlandLondon

PWM - LCY

PWMLCY

Portland

Wed 9/3

3:21 pm-9:40 pm

3 stops49h 19m

$492

PortlandLondon

PWM - LCY

PWMLCY

Portland

Wed 9/3

2:14 pm-12:30 pm

2 stops17h 16m

$504

PortlandLondon

PWM - LCY

PWMLCY

Portland

Tue 9/9

2:36 pm-9:30 am

2 stops13h 54m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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.

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 July 30, 2025.
See what other customers who have flown with Delta and United Airlines from Portland to London City Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 London City Airport?

Book flights to London City Airport if you plan to visit one of these locations
Hounslow
Hayes
Thornton Heath
Harrow
Canterbury
Dover
Orpington
Watford
Gatwick
Borehamwood
Dartford
Aylesbury
Chelmsford
Folkestone
Southend-on-Sea
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Eastbourne

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