Find Cheap Flights from Portland to London (PDX - LON)

Flights overview

Useful information for finding cheap flights from Portland to London and booking your next trip

Cheapest round-trip flights	$977	Delta 1 stop 16 hr Fri, Jul 31 — Thu, Aug 13	The cheapest round-trip flight from Portland to London is currently $977
Cheapest one-way flight	$339	Delta, Virgin Atlantic 1 stop 24 hr Sat, Aug 1	The cheapest one-way flight from Portland to London is currently $339
Cheapest nonstop flights	$1,199	British Airways Nonstop 10 hr Sat, Aug 1 — Mon, Aug 17	The cheapest nonstop round-trip flight from Portland to London is currently $1,199
Last-minute weekend getaway	$1,030	Alaska, Condor 2 stops 17 hr Fri, May 8 — Sun, May 10	The cheapest last-minute weekend getaway from Portland to London is currently $1,030
Cheapest business class flights	$3,271	Icelandair 1 stop 18 hr Sun, May 31 — Tue, Jun 16	The cheapest business class round-trip flight from Portland to London is currently $3,271

Fastest flight	9 hr 30 min	The fastest nonstop flight from Portland to London takes 9 hr 30 min
Nonstop flights	Every day	There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Portland to London is typically November. The most expensive month to fly is typically June.

November Cheapest	Typical prices: $520–810
June Most expensive	Typical prices: $950–1,500

Popular airlines from Portland to London

British Airways

Nonstop

from $1,076

Typical price: $680–2,450

7 weekly nonstop flights

PDX - LHR Every day
United

from $1,113

Typical price: $690–2,100

61 weekly connecting flights

PDX - LHR Every day
KLM

from $1,037

Typical price: $660–1,550

51 weekly connecting flights

PDX - LCY, LHR Every day
Delta

from $977

Typical price: $650–1,400

35 weekly connecting flights

PDX - LHR Every day
Icelandair

from $1,080

Typical price: $800–2,250

21 weekly connecting flights

PDX - LGW, LHR Every Mon, Tue, Thu, Sat
Air Canada

from $1,158

Typical price: $730–2,650

19 weekly connecting flights

PDX - LHR Every day

Popular airports near Portland

Portland International Airport (PDX)

Portland United States 20 min 6 mi
Seattle-Tacoma International Airport (SEA)

Seattle United States 2 hr 37 min 134 mi
Eugene Airport (EUG)

Eugene United States 1 hr 54 min 99 mi
Redmond Municipal Airport (RDM)

Redmond United States 3 hr 114 mi

Popular airports near London

Heathrow Airport (LHR)

London United Kingdom 46 min 14 mi
London Stansted Airport (STN)

London United Kingdom 1 hr 4 min 30 mi
London Gatwick Airport (LGW)

London United Kingdom 1 hr 24 min 25 mi
London Luton Airport (LTN)

London United Kingdom 1 hr 7 min 27 mi

Frequently asked questions about flying from Portland to London

The cheapest flights from Portland to London are usually in November. Typical ticket prices in November range from $520 to $810.

The cheapest round-trip flight from Portland to London recently found on Google Flights was with Delta from $977. The cheapest one-way flight was with Delta, Virgin Atlantic from $339.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest British Airways flight from Portland to London is $1,076, flying from Jul 31 to Aug 16.
The cheapest United flight from Portland to London is $1,113, flying from Aug 1 to Aug 14.
The cheapest KLM flight from Portland to London is $1,037, flying from Aug 1 to Aug 17.
The cheapest Delta flight from Portland to London is $977, flying from Jul 31 to Aug 13.
The cheapest Icelandair flight from Portland to London is $1,080, flying from May 18 to May 31.
The cheapest Air Canada flight from Portland to London is $1,158, flying from Jul 30 to Aug 12.

The cheapest round-trip flight from Portland to London starts at $977 from Fri, Jul 31 to Thu, Aug 13. The cheapest one-way flight starts at $339 and departs on Sat, Aug 1.

9 hr 30 min is the shortest flight time from Portland to London.

London is a year-round destination, getting busiest Jun–Sep and in the run-up to Christmas and New Year (Dec). Jul–Aug is when many Europeans take holidays, so visitors may face more crowds and limited availability of hotel rooms. Key events include the London Marathon (Apr), Notting Hill Carnival (Aug) and Frieze London art fair (Oct). Sep–May is the city's primary season for theatre, opera, ballet and classical music. Summer’s warmer weather brings many free outdoor music and theatre festivals.

It's easy to use Google Flights to find the cheapest days to fly from Portland to London.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Portland to London really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Portland to London.

In terms of nonstop flights, British Airways is the most popular. British Airways offers 7 nonstop flights per week. British Airways flies from Portland International Airport (PDX) to Heathrow Airport (LHR) .

In terms of flights, United is the most popular. United offers 61 connecting flights per week. United flies from Portland International Airport (PDX) to Heathrow Airport (LHR) .

Other popular airlines flying from Portland to London are:

KLM offers 51 connecting flights per week. KLM flies from Portland International Airport (PDX) to London City Airport (LCY) , Heathrow Airport (LHR) .
Delta offers 35 connecting flights per week. Delta flies from Portland International Airport (PDX) to Heathrow Airport (LHR) .
Icelandair offers 21 connecting flights per week. Icelandair flies from Portland International Airport (PDX) to London Gatwick Airport (LGW) , Heathrow Airport (LHR) .
Air Canada offers 19 connecting flights per week. Air Canada flies from Portland International Airport (PDX) to Heathrow Airport (LHR) .

The number of connecting flights refers to distinct flights with at least one stop between Portland and London.

The cheapest round-trip flight from Portland to London recently found on Google Flights was with Delta from $977. The cheapest one-way flight was with Delta, Virgin Atlantic from $339.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest British Airways flight from Portland to London is $1,076, flying from Jul 31 to Aug 16.
The cheapest United flight from Portland to London is $1,113, flying from Aug 1 to Aug 14.
The cheapest KLM flight from Portland to London is $1,037, flying from Aug 1 to Aug 17.
The cheapest Delta flight from Portland to London is $977, flying from Jul 31 to Aug 13.
The cheapest Icelandair flight from Portland to London is $1,080, flying from May 18 to May 31.
The cheapest Air Canada flight from Portland to London is $1,158, flying from Jul 30 to Aug 12.

British Airways flies direct from Portland to London.

There are 7 British Airways direct flights from Portland to London per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Portland and London at price $1,030 is offered by Alaska, Condor from Fri, May 8 to Sun, May 10.

British Airways flies direct from Portland to London.

There are 7 British Airways direct flights from Portland to London per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are direct flights from Portland to London on a daily basis.

The cheapest direct (nonstop) round-trip flights between Portland and London start at $1,199 from Sat, Aug 1 to Mon, Aug 17 with British Airways.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Portland to London, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Portland and London start at $3,271 from Sun, May 31 to Tue, Jun 16 with Icelandair.

The cheapest economy class round-trip flights between Portland and London start at $977 from Fri, Jul 31 to Thu, Aug 13.

To book business class trips from Portland to London, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Portland and London starts at $1,030 from Fri, May 8 to Sun, May 10 with Alaska, Condor.

The cheapest last-minute deal between Portland and London at price $1,030 is offered by Alaska, Condor from Fri, May 8 to Sun, May 10.

To find last-minute flight deals from Portland to London, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.