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$494+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LCY
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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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 October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 11/53:20 pmPWM - LCY
2 stops16h 35mMultiple Airlines
Wed 11/129:50 amLCY - PWM
2 stops19h 09mMultiple Airlines
Deal found 10/29$664
This United Airlines deal was found by Cheapflights users on 10/27. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/267:22 pmPWM - LCY
2 stops17h 18mMultiple Airlines
Wed 12/35:40 pmLCY - PWM
2 stops30h 14mMultiple Airlines
Deal found 10/27$714
This Delta deal was found by Cheapflights users on 10/28. 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.
Tue 11/252:30 pmPWM - LCY
2 stops13h 20mDelta
Tue 12/28:40 amLCY - PWM
2 stops20h 19mDelta
Deal found 10/28$814
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Mon 11/243:20 pmPWM - LCY
2 stops20h 45mMultiple Airlines
Mon 12/19:50 amLCY - PWM
2 stops19h 09mMultiple Airlines
Deal found 10/28$825
This Delta deal was found by Cheapflights users on 10/26. 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.
Fri 11/76:50 amPWM - LCY
2 stops20h 20mDelta
Tue 11/118:40 amLCY - PWM
2 stops36h 27mDelta
Deal found 10/26$864
This KLM deal was found by Cheapflights users on 10/27. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/72:38 pmPWM - LCY
2 stops13h 52mKLM
Tue 11/118:05 pmLCY - PWM
2 stops32h 49mKLM
Deal found 10/27$916
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Fri 12/123:20 pmPWM - LCY
2 stops15h 20mMultiple Airlines
Fri 12/199:55 amLCY - PWM
2 stops19h 04mMultiple Airlines
Deal found 10/28$1,646
This Delta deal was found by Cheapflights users on 10/28. 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 11/232:30 pmPWM - LCY
2 stops14h 00mDelta
Sun 11/301:45 pmLCY - PWM
2 stops15h 14mDelta
Deal found 10/28$1,882
This Delta deal was found by Cheapflights users on 10/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/252:30 pmPWM - LCY
2 stops14h 00mDelta
Sun 11/301:45 pmLCY - PWM
2 stops15h 14mDelta
Deal found 10/27$1,996

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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$714
(United Airlines)

One-way from

$494
(United Airlines)

Popular in

June

Cheapest in

October

Average price

$638
Provider with most accurate pricing for Portland-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-London (LON) flights.
Search Deals
From Portland to London City
Search Deals
One-way flight from Portland to London City
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($181 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 29, 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

Wed 11/26

7:22 pm-5:40 pm

2 stops17h 18m

London City

Wed 12/3

5:40 pm-6:54 pm

2 stops30h 14m

$714

PortlandLondon

PWM - LCY

PWMLCY

Portland

Tue 11/25

2:30 pm-8:50 am

2 stops13h 20m

London City

Tue 12/2

8:40 am-11:59 pm

2 stops20h 19m

$814

PortlandLondon

PWM - LCY

PWMLCY

Portland

Mon 11/24

3:20 pm-5:05 pm

2 stops20h 45m

London City

Mon 12/1

9:50 am-11:59 pm

2 stops19h 09m

$825

PortlandLondon

PWM - LCY

PWMLCY

Portland

Wed 4/15

7:22 pm-6:35 pm

2 stops18h 13m

London City

Sat 4/25

9:25 am-6:20 pm

2 stops37h 55m

$1,096

PortlandLondon

PWM - LCY

PWMLCY

Portland

Mon 4/20

2:35 pm-8:10 am

2 stops12h 35m

London City

Sun 4/26

1:45 pm-11:59 pm

2 stops15h 14m

$1,280

PortlandLondon

PWM - LCY

PWMLCY

Portland

Wed 4/15

2:35 pm-8:10 am

2 stops12h 35m

London City

Sun 4/26

1:45 pm-11:59 pm

2 stops15h 14m

$1,288

PortlandLondon

PWM - LCY

PWMLCY

Portland

Thu 4/16

2:35 pm-8:10 am

2 stops12h 35m

London City

Sat 4/25

12:10 pm-11:59 pm

2 stops16h 49m

$1,308

PortlandLondon

PWM - LCY

PWMLCY

Portland

Tue 4/14

2:35 pm-8:50 am

2 stops13h 15m

London City

Sun 4/26

1:45 pm-11:59 pm

2 stops15h 14m

$1,348

PortlandLondon

PWM - LCY

PWMLCY

Portland

Thu 4/16

2:35 pm-8:10 am

2 stops12h 35m

London City

Sun 4/26

1:45 pm-11:59 pm

2 stops15h 14m

$1,398

PortlandLondon

PWM - LCY

PWMLCY

Portland

Fri 4/17

2:35 pm-8:10 am

2 stops12h 35m

London City

Sat 4/25

12:10 pm-11:59 pm

2 stops16h 49m

$1,463

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 12 results
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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.

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.

  • How long is the flight from Portland, Maine to London City Airport?

    A quick flight from Portland, Maine to London City Airport can take about 12h 35m. Delta provides one of the quickest options available for as low as $1,280. The distance from Portland, Maine to London City Airport is about 3193 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

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
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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