What percentage of Portland to London flights are direct?

Based on data from the trailing 90 days, approximately 1.5% of flights from Portland to London are direct. For flights that include connections, travelers typically experience a median of 2 stopovers. This indicates that the vast majority of journeys on this route will involve at least one stop.

How long does it take to fly from Portland to London?

A direct flight from Portland to London typically takes about 9 hours and 30 minutes, covering a distance of 7880 kilometers. For flights with one stop, the median travel time increases to approximately 14 hours and 15 minutes. Travelers should account for these differences when planning their journey.

How much do direct flights from Portland to London cost compared to connecting flights?

Historically, direct flights from Portland to London have been significantly more expensive than connecting flights. The median price for a direct flight was $1421, representing a 76% premium over connecting flights. In contrast, the median price for connecting flights was $806. Direct flights also made up a smaller share of available options, at 0.7%.

Flights From Portland

To London

Cheap Flights from Portland to London

Browse current best options from Portland. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Portland

RatePunk searches hundreds of travel sites at once for deals on flights to London

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Portland to London

Explore current cheapest deals departing from Portland to London

2026-10-08 – 2026-10-13
PDX - London
88% AI deal score
$796
$576
Round trip
2026-11-02 – 2026-11-18
PDX - London
86% AI deal score
$713
$582
Round trip
2026-10-05 – 2026-10-20
PDX - London
84% AI deal score
$723
$591
Round trip
2026-10-08 – 2026-10-23
PDX - London
86% AI deal score
$742
$594
Round trip
2026-10-12 – 2026-10-20
PDX - London
86% AI deal score
$759
$597
Round trip
2026-10-05 – 2026-10-13
PDX - London
86% AI deal score
$759
$598
Round trip
2026-11-02 – 2026-11-11
PDX - London
83% AI deal score
$729
$619
Round trip
2026-08-20 – 2026-08-27
PDX - London
90% AI deal score
$969
$623
Round trip
2026-10-21 – 2026-10-26
PDX - London
86% AI deal score
$804
$625
Round trip
2026-10-07 – 2026-10-21
PDX - London
82% AI deal score
$727
$625
Round trip

Portland to London: Overview

Insights for flights from Portland to London

When looking for cheap flights from Portland to London, you'll find that February stands out as the most affordable month, with a median fare of $540. January is also a strong contender, offering a median fare of $578, followed by April at $615. These months present the best opportunities for cost-effective travel on this route.

Fares for flights from Portland to London typically range from $864 to $1328, with a median price of $1094. Right now, fares are near the typical level. Only 2% of recent fares were classified as a good price, indicating that finding significantly discounted tickets can be challenging. New deals appear almost daily, so setting up price alerts can be beneficial.

Most itineraries for flights from Portland to London connect at least once, with only 1.5% of recent fares being non-stop. For the majority of flights that do include connections, the typical number of stopovers is 2. This means you should generally expect a journey with multiple legs.

A typical journey from Portland to London takes about 9h 30m, including connections. While the non-stop flight time is also 9h 30m, connecting itineraries typically extend to 21h 45m. This significant difference highlights the impact of stopovers on overall travel duration.

The distance between Portland and London is approximately 7880 kilometers. This classifies the route as a long-haul flight, meaning you can expect a substantial travel time due to the considerable distance involved.

How much is a round trip from Portland to London

Regular price: $679 - $1,801

Prices are currently below the regular range.

Regular prices for flights from Portland to London typically range from $679 to $1801. The current lowest deal is $572 with Icelandair, for travel from Oct 22-Oct 29.

now $572

Low $679

High $1,801

The cheapest time to fly from Portland to London

The cheapest month to fly from Portland to London is May, with a median price of $512. The most expensive month is December, with a median price of $1474. Prices are generally lower from January to November.

May

Cheapest

Flights from $512

December

Most Expensive

Flights from $1,474

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Portland to London

Finnair

Last-minute flights going from Portland to London

Thu, Aug 6

⌛ Last-Minute

PDX - London

Portland (PDX) - London (STN)

Icelandair

$1,014

$842

One-way

Wed, Aug 12

⌛ Last-Minute

PDX - London

Portland (PDX) - London (STN)

Icelandair

$912

$680

One-way

Wed, Aug 12

⌛ Last-Minute

PDX - London

Portland (PDX) - London (LGW)

Icelandair

$896

$778

One-way

Wed, Aug 12

⌛ Last-Minute

PDX - London

Portland (PDX) - London (LGW)

Icelandair

$938

$781

One-way

Wed, Aug 12

⌛ Last-Minute

PDX - London

Portland (PDX) - London (LGW)

Icelandair

$880

$783

One-way

Thu, Aug 13

⌛ Last-Minute

PDX - London

Portland (PDX) - London (LGW)

Condor Flugdienst

$1,022

$835

One-way

Biggest price drops on these dates for flights from Portland to London

11 nights

Dec 3 - Dec 14

$1,014 → $657

35%

8 nights

Dec 3 - Dec 11

$1,014 → $668

34%

7 nights

Aug 20 - Aug 27

$959 → $623

35%

4 nights

Aug 20 - Aug 24

$1,016 → $707

30%

Popular Airports to fly from Portland to London

Portland - London route insights

💸 Price insights

Recent fares are near the typical level

Recent fares from Portland to London are near the typical level of $1094.

📅 Best time to fly

Fly in May for the best prices

Historically, May is the cheapest month to fly from Portland to London, with a median price of $512.

⏱️ Flight duration

Direct flights take 9h 30m

A direct flight from Portland to London typically takes 9h 30m, while connecting flights average 21h 45m.

✈️ Airlines & availability

Connecting flights are dominant

Connecting flights are dominant for this route, with a median of 2 stopovers.

🏆 Airline highlight

Finnair offers direct deals

Finnair has offered direct deals on this route, providing a convenient option for travelers.

🎯 Booking tip

Deals are frequent

Deals for flights from Portland to London are frequent, appearing within a 30-day window.

Portland main airports to depart from

Portland International (PDX)

Cheapest

Portland International is a convenient option for flights to London from the Portland area.

📍 ~10 km from city center (reachable by car or public transport)

💸 Flights from ~$485

London main airports to arrive at

London Stansted (STN)

Cheapest

London Stansted offers a budget-friendly option for flights from Portland to London.

📍 ~49 km from London city center (reachable by car)

💸 Flights from ~$485

Airports nearby London used as alternative

Birmingham (BHX)

Cheapest

Birmingham Airport is a major international hub and a reliable alternative when London airports are congested.

📍 ~160 km from London (reachable by train)

💸 Flights from ~$679

Business & First Class Flight Deals to London

95% AI deal score

$6,326

$2,944

Save $3,382

Frequently Asked Questions About Flights to London

Historically, the optimal booking window for flights from Portland to London is typically 14-27 days before departure. During this period, the average price observed was $713. Booking within 0-6 days of departure saw an average price of $747, while waiting until 60+ days out resulted in a significantly higher average of $1086. Planning your purchase within the 14-27 day window generally offers the most favorable pricing across the trailing quarter.

Across the trailing 90 days, a good price for a flight from Portland to London is considered to be $864 or less. The median price for this route was $1094. Prices above $1328 were observed in the higher quartile of fares. Therefore, if you find a fare at or below $864, it represents a competitive offer based on historical data.

Historically, February has been the cheapest month to fly from Portland to London, with a median price of $540. January also offered favorable pricing, with a median of $578. The annual median price for this route was $1094, indicating significant savings during these months. These trends are based on data collected over the trailing 270 days.

Portland to London: Overview

Insights for flights from Portland to London

How much is a round trip from Portland to London

Regular price: $679 - $1,801

Prices are currently below the regular range.

Regular prices for flights from Portland to London typically range from $679 to $1801. The current lowest deal is $572 with Icelandair, for travel from Oct 22-Oct 29.

now $572

Low $679

High $1,801

The cheapest time to fly from Portland to London

May

Cheapest

Flights from $512

December

Most Expensive

Flights from $1,474

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec