Cheap Flights from Portland, ME to London from $458

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On Cheapflightsplus.com you will find 49 connecting flights from Portland to London. You can compare airfare deals from 3 airlines and multiple travel sites from $458, book and save on cheap plane tickets and last minute offers. Also check out PWM-LON flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Portland to London Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $458 (one-way), $785 (round-trip).

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Best Flights from Portland to London Today

Take a look at the list of non stop flights and flights with layovers from Portland to London with the lowest price of $458. Take a look at the list of flights with layovers from Portland to London from $458. There’re no direct flights. The fastest connecting flight – 12h 40m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $583 Find flight	12:15 Portland Portland Intl Jetport	06:20+1 день London Heathrow	13h 5m layover 3h 59m - Newark	Austrian Airlines	OS7740 OS7800
from $653 Find flight	12:06 Portland Portland Intl Jetport	07:30+1 день London Gatwick	14h 24m layover 2h 34m - Orlando	Mexicana	MX739 BA2036
from $458 Find flight	12:06 Portland Portland Intl Jetport	10:55+1 день London Gatwick	17h 49m layover 2h 19m - Orlando 1h 25m - Reykjavik	Mexicana	MX739 FI688 FI470
from $464 Find flight	12:15 Portland Portland Intl Jetport	07:10+1 день London Heathrow	13h 55m layover 1h 39m - Newark 1h 58m - Montreal	Air Canada	AC3465 AC8943 AC866
from $464 Find flight	06:01 Portland Portland Intl Jetport	07:10+1 день London Heathrow	20h 9m layover 2h 48m - Newark 7h 16m - Montreal	Air Canada	AC3638 AC8941 AC866
from $469 Find flight	06:01 Portland Portland Intl Jetport	07:10+1 день London Heathrow	20h 9m layover 7h 58m - Newark 1h 58m - Montreal	Air Canada	AC3638 AC8943 AC866
from $469 Find flight	06:01 Portland Portland Intl Jetport	07:10+1 день London Heathrow	20h 9m layover 6h 42m - Newark 3h 17m - Montreal	Air Canada	AC3638 AC4593 AC866
from $470 Find flight	06:01 Portland Portland Intl Jetport	06:30+1 день London Heathrow	19h 29m layover 3h 18m - Newark 5h 33m - Toronto	Air Canada	AC3638 AC8877 AC854
from $470 Find flight	06:01 Portland Portland Intl Jetport	06:30+1 день London Heathrow	19h 29m layover 4h 16m - Newark 4h 27m - Toronto	Air Canada	AC3638 AC3097 AC854
from $470 Find flight	06:01 Portland Portland Intl Jetport	06:30+1 день London Heathrow	19h 29m layover 2h 18m - Newark 6h 24m - Toronto	Air Canada	AC3638 AC3747 AC854
from $470 Find flight	06:01 Portland Portland Intl Jetport	08:30+1 день London Heathrow	21h 29m layover 3h 18m - Newark 7h 33m - Toronto	Air Canada	AC3638 AC8877 AC856
from $470 Find flight	06:01 Portland Portland Intl Jetport	08:30+1 день London Heathrow	21h 29m layover 4h 16m - Newark 6h 27m - Toronto	Air Canada	AC3638 AC3097 AC856
from $470 Find flight	06:01 Portland Portland Intl Jetport	08:30+1 день London Heathrow	21h 29m layover 2h 18m - Newark 8h 24m - Toronto	Air Canada	AC3638 AC3747 AC856
from $470 Find flight	06:01 Portland Portland Intl Jetport	11:50+1 день London Heathrow	24h 49m layover 4h 16m - Newark 9h 57m - Toronto	Air Canada	AC3638 AC3097 AC858
from $470 Find flight	06:01 Portland Portland Intl Jetport	11:50+1 день London Heathrow	24h 49m layover 2h 18m - Newark 11h 54m - Toronto	Air Canada	AC3638 AC3747 AC858
from $475 Find flight	06:01 Portland Portland Intl Jetport	06:30+1 день London Heathrow	19h 29m layover 6h 13m - Newark 2h 38m - Toronto	Air Canada	AC3638 AC8879 AC854

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on February 22, 2025

Flight Schedule Portland (Maine) to London

Full flight schedule will help you in detecting at what time planes fly from Portland to London. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
06:01 — 07:10 +1 day	06:00 — 07:34 AC3638 Air Canada Portland — Newark 2h 48m stop 10:30 — 11:59 AC8941 Air Canada Newark — Montreal 7h 16m stop 19:15 — 07:10 AC866 Air Canada Montreal — London	20h 9m including layover	Find flight from$464
06:01 — 07:10 +1 day	06:00 — 07:34 AC3638 Air Canada Portland — Newark 7h 58m stop 15:40 — 17:17 AC8943 Air Canada Newark — Montreal 1h 58m stop 19:15 — 07:10 AC866 Air Canada Montreal — London	20h 9m including layover	Find flight from$469
12:06 — 10:55 +1 day	12:01 — 15:34 MX739 Mexicana Portland — Orlando 2h 19m stop 17:55 — 06:15 FI688 Icelandair Orlando — Reykjavik 1h 25m stop 07:40 — 10:55 FI470 Icelandair Reykjavik — London	17h 49m including layover	Find flight from$458
12:15 — 07:10 +1 day	11:24 — 13:00 AC3465 Air Canada Portland — Newark 1h 39m stop 15:40 — 17:17 AC8943 Air Canada Newark — Montreal 1h 58m stop 19:15 — 07:10 AC866 Air Canada Montreal — London	13h 55m including layover	Find flight from$464
17:50 — 20:00 +1 day	17:50 — 19:53 MX745 Mexicana Portland — Raleigh 9h 26m stop 05:19 — 07:07 BA5510 British Airways Raleigh — New York 58m stop 08:05 — 20:00 BA178 British Airways New York — London	21h 10m including layover	Find flight from$690

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on February 22, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Portland to London depends on and how to choose the most interesting flight option for you.

Distance between Portland and London is 5131 miles. Time difference between the cities is 5h. Airplanes depart 06:01 to 17:50 from 1 Portland airport and arrive 06:01 to 17:50 to 10 London airports. Average flight time is 20h 9m.

The fastest flight 12h 40m
Average flight time 20h 9m
The earliest flight 06:01
The latest flight 17:50
Distance 3189 ml

The cheapest months to travel to London are december (from 458 $), january (from 464 $), february (from 467 $).

The most expensive months are november (from 488 $), february (from 467 $), january (from 464 $).

What is the lowest airfare Portland to London?

The cheapest plane ticket found by our users is $458. This airfare is for economy class on one-way MX739 flight by Mexicana for February 21, 2025 which leaves Portland Intl Jetport in Portland at 12:06 am and arrives at London Gatwick at 10:55.

Economy class

$458

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First class

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Popular Airlines on the Route

The flight Portland — London is served by 3 regular airlines . Most of the flights on this route are operated by Austrian Airlines - 14 departures per week at the price of from $ 488 . And the most expensive tickets are offered by Austrian Airlines airline - from $ 4764.

Direct flights

There’re no direct flights on this route. Try flights with stops.

Connecting Flights

There are 49 flights with layovers on the route. The fastest connecting flight is OS7740 by Austrian Airlines takes 12h 40m and the cheapest is MX739 by Mexicana for $458.

OS - Austrian Airlines

from $488

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AC - Air Canada

from $464

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MX - Mexicana

from $458

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Airports

You can fly from Portland to London from 1 airports (Portland Intl Jetport).

Portland airports

Portland Intl Jetport-PWM

from $458
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London airports

London City-LCY

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London-Waterloo-QQW

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Heathrow-LHR

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Luton-LTN

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British Rail Terminal-ZLX

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London Biggin Hill-BQH

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Stansted-STN

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Gatwick-LGW

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Ebbsfleet International Rail St-XQE

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Stratford International Rail St-XOF

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Airplanes

There are flights to London from Portland by 3 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Portland

You may also consider searching for discounted plane tickets to some other popular places from Portland within United States.

Portland — Phoenix

from $69

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Portland — Cleveland

from $60

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Portland — Las Vegas

from $74

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Portland — Minneapolis

from $67

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Portland — New York

from $60

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Portland — Palm Springs

from $67

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Portland — Atlanta

from $64

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Portland — Columbus

from $61

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Portland — Houston

from $59

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Portland — Indianapolis

from $57

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Top International Destinations from Portland

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Portland — Frankfurt

from $54

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Portland — Dublin

from $68

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Portland — Guadalajara

from $68

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Portland — San Jose

from $58

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Portland — Vancouver

from $73

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Portland — Mexico City

from $58

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Portland — Berlin

from $60

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Portland — Toronto

from $71

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Portland — London

from $78

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Portland — Paris

from $80

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How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
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That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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