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£358+ Direct flights from Portland

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PDX — LHR
21 Apr — 28 Apr1
1 adult
1 adult, Economy, 0 bags

Find direct flights from Portland within your budget

 
Use the slider to find direct flights from Portland within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 858,174 searches. This data was last updated on 22 March 2026.

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 17/8

19:30-13:00

Nonstop9h 30m

London Heathrow

Tue 25/8

15:40-17:40

Nonstop10h 00m

£668

PortlandLondon

PDX - LHR

PDXLHR

Portland

Thu 13/8

19:30-13:00

Nonstop9h 30m

London Heathrow

Sun 30/8

15:40-17:40

Nonstop10h 00m

£717

PortlandLondon

PDX - LHR

PDXLHR

Portland

Fri 14/8

19:30-13:00

Nonstop9h 30m

London Heathrow

Tue 1/9

15:40-17:40

Nonstop10h 00m

£732

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sat 15/8

19:30-13:00

Nonstop9h 30m

London Heathrow

Wed 26/8

15:40-17:40

Nonstop10h 00m

£753

PortlandLondon

PDX - LHR

PDXLHR

Portland

Fri 14/8

19:30-13:00

Nonstop9h 30m

London Heathrow

Tue 25/8

15:40-17:40

Nonstop10h 00m

£779

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 21/4

19:30-13:00

Nonstop9h 30m

London Heathrow

Thu 30/4

15:40-17:40

Nonstop10h 00m

£820

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 20/7

19:30-13:00

Nonstop9h 30m

London Heathrow

Sun 16/8

15:40-17:40

Nonstop10h 00m

£829

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 21/7

19:30-13:00

Nonstop9h 30m

London Heathrow

Mon 17/8

15:40-17:40

Nonstop10h 00m

£829

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 20/7

19:30-13:00

Nonstop9h 30m

London Heathrow

Tue 11/8

15:40-17:40

Nonstop10h 00m

£851

PortlandLondon

PDX - LHR

PDXLHR

Portland

Thu 23/7

19:30-13:00

Nonstop9h 30m

London Heathrow

Sun 16/8

15:40-17:40

Nonstop10h 00m

£866

Flights are sorted by cheapest return flights first.

Deals found on 21/3

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Portland

Have a flexible travel schedule? Discover the best time to fly from Portland with our price prediction graph.
Estimated return 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.

Reviews of airlines flying non-stop to Portland

Get insights into the airlines that provide direct flights from Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight from Portland. Reviews last updated Cheapflights.
Get a feel of what it's like to fly with Icelandair and British Airways from Portland by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Icelandair
7.0
Good
625 reviews
Check prices

Boarding

7.2

Crew

8.0

Food

6.2

Entertainment

7.0

Overall

7.0

Comfort

6.9

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

ZRH - KEF

Almost 7 hr flight and no ear buds provided and no food. I would choose a different airline next time for that reason.
Icelandair
7.0
Good
625 reviews
Icelandair
7.0
Good
625 reviews
Check prices

Boarding

7.2

Crew

8.0

Food

6.2

Entertainment

7.0

Overall

7.0

Comfort

6.9

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

ZRH - KEF

Almost 7 hr flight and no ear buds provided and no food. I would choose a different airline next time for that reason.
British Airways
6.7
Okay
7,807 reviews
Icelandair
7.0
Good
625 reviews
Check prices

Boarding

7.2

Crew

8.0

Food

6.2

Entertainment

7.0

Overall

7.0

Comfort

6.9

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

ZRH - KEF

Almost 7 hr flight and no ear buds provided and no food. I would choose a different airline next time for that reason.

Related info for your journey

Access useful and relevant information related to your journey from Portland. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 22 March 2026.

  • Where can you fly direct from Portland?

    Currently, the most popular direct flight destination from Portland is Phoenix Sky Harbor Intl Airport.

  • How much are direct flights from Portland?

    On average, a one-way direct flight from Portland will cost users approximately £682. If you're looking for a direct round-trip flight from Portland, you can expect to pay around £163.

  • How long is a direct flight from Portland?

    While the flight duration depends heavily on the destination, on average, travelers can expect non-stop flights from Portland to last approximately 4h 43m on average. The quickest direct flight from Portland at this time departs from Portland (2h 04m), while the longest leaves from Portland (9h 30m).

  • What is the best time of year to fly direct from Portland?

    If you're seeking the lowest price on a direct flight from Portland, September is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, January offers travelers the most options.

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