$245 Find Cheap Flights from Portland to London - Compare and Save

These are the earliest and latest flight times available from Portland to London:

• Earliest: departs at 5:45 pm and lands at 3:18 am
• Latest: departs at 7:30 pm and lands at 5:03 am.

The flight takes about 9h 33m.

Four cabin classes are available on flights from Portland to London:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from Portland to London takes 9h 33m, covering 4,904 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from Portland to London range from $742 to $1,210, with an average of $948 over the past 12 months. Anything below $742 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 8% above the $948 route average. Book 9 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $567 round-trip via Las Vegas Harry Reid Intl (LAS), compared to $1,022 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $70–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Evening is the busiest departure period on Portland to London flights, with 100% of flights leaving in that window. Morning departures account for 0%, afternoon flights for 0%, and night flights for 0%.

One-way fares from Portland to London are currently lower than usual. Average one-way flight prices are about $303, which is 43% below the typical average for this route.

Since London is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near London Heathrow Airport (LHR) — daily rates from around $7:

• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• Hertz

Near London Gatwick Airport (LGW) — daily rates from around $8:

• GREEN MOTION
• DRIVALIA
• U-Save
• Europcar
• Alamo

Near London City Airport (LCY) — daily rates from around $11:

• GREEN MOTION
• Budget
• Hertz
• Avis
• Sixt

Near London Luton Airport (LTN) — daily rates from around $11:

• GREEN MOTION
• DRIVALIA
• Alamo
• Europcar
• Budget

Near London Stansted Airport (STN) — daily rates from around $10:

• GREEN MOTION
• DRIVALIA
• Europcar
• Alamo
• U-Save

Flights from Portland to London usually depart from Portland (PDX) and may arrive at several airports in London area, including London City (LCY), London Gatwick (LGW), London Heathrow (LHR), London Luton (LTN), London Southend (SEN) and London Stansted (STN).

One-stop flights from Portland to London most commonly connect through:

• Reykjavik Keflavik Intl (KEF) - 58% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 23% of one-stop connections
• Vancouver Intl (YVR) - 6% of one-stop connections
• Dallas/Fort Worth (DFW) - 3% of one-stop connections

Yes. Flexible dates can save you up to 20% on flights from Portland to London. Tuesday is the cheapest departure day at $847 round-trip on average, while Saturday is the most expensive at $1,050, a difference of $203.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only British Airways operates flights between Portland and London.

Flying via Amsterdam Schiphol (AMS) gives the shortest average 1-stop total travel time at 12h 54m, compared with 12h 59m via Salt Lake City (SLC) and 13h 01m via Seattle/Tacoma Intl (SEA).

London is 8 hours ahead of Portland (British Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in London are Hyde Park and Buckingham Palace. These are among the most viewed places in London on KAYAK.

Among airlines operating Portland to London flights:

• British Airways: offers extra legroom; offers free seat selection
• American Airlines: offers free seat selection
• Aer Lingus: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• British Airways: a cabin bag and a checked bag in Economy Class
• Iberia: a cabin bag and a checked bag in Economy Class
• American Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Yes, Gatwick Airport (LGW) offers car rental services. In the South Terminal, the car rental desks are on the lower forecourt, Level 0. From Arrivals, follow the signs to car rental and use the upper forecourt lift to access the desks.

Yes, London Heathrow Airport (LHR) has several family-friendly amenities. Mr. Adventure Stay & Play is located in all four terminals and provides free pre-boarding entertainment for children after security. Baby-change stations are available in every terminal before and after security control. Restaurants at LHR also offer children's menus.

Yes, Portland International Airport (PDX) has two pet relief areas. One outdoor area is outside baggage claim at the south end of the terminal on the lower level. The second is inside after security and has artificial grass, a fire hydrant, a sink and a bench. Both sites provide bags and pets must remain leashed at all times.

Yes, PDX has 3,750 public parking spaces in its handicap-accessible garage. The 7-story garage connects to the terminal through tunnels and skybridges for easy access. Parking cannot be reserved in advance and spaces are available on a first-come, first-served basis for travelers leaving a car before a flight to London.