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£69+ Cheap flights from Portland

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. 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
12 Oct — 19 Oct1
1 adult
1 adult, Economy

What to know about flights from Portland

Discover essential information about flights departing from Portland, including flight schedules, destinations, airlines operating at the Portland airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 12 September 2025.

Cheapest airline

Frontier

Good round-trip deal

£158 or less

Good one-way deal

£32 or less
On average, Frontier currently has the cheapest one-way flight from Portland (avg. price of £93).
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Price to beat on a round-trip flight from Portland.
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Price to beat on a one-way flight from Portland.
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Find flights from Portland

Cheapest flights from Portland
Explore the most affordable flight options available from Portland. Find the lowest fares based on data from user searches, with prices last updated on 12 September 2025.

Tue 4/1114:45PDX - MAN
1 stop12h 00mIcelandair
Sun 9/1111:55MAN - PDX
1 stop13h 05mIcelandair
Deal found 12/9£398
Wed 22/1015:20PDX - GLA
1 stop14h 05mIcelandair
Wed 29/1012:35GLA - PDX
1 stop12h 25mIcelandair
Deal found 11/9£399
Tue 23/913:45PDX - LHR
2 stops37h 50mUnited Airlines
Tue 14/1014:10LHR - PDX
1 stop32h 36mUnited Airlines
Deal found 11/9£402
Wed 22/1019:25PDX - LHR
Nonstop9h 35mBritish Airways
Wed 5/1113:45LHR - PDX
Nonstop10h 10mBritish Airways
Deal found 11/9£403
Mon 27/1013:16PDX - LHR
1 stop14h 09mBritish Airways
Wed 5/1113:45LHR - PDX
Nonstop10h 10mBritish Airways
Deal found 10/9£405
Tue 23/919:10PDX - LHR
2 stops16h 50mDelta
Fri 24/1006:30LHR - PDX
1 stop12h 35mDelta
Deal found 10/9£405
Tue 30/905:30PDX - LHR
2 stops17h 00mMultiple Airlines
Wed 15/1014:10LHR - PDX
1 stop27h 10mMultiple Airlines
Deal found 9/9£406
Wed 1/1011:05PDX - LHR
1 stop19h 05mUnited Airlines
Wed 8/1014:10LHR - PDX
1 stop16h 51mUnited Airlines
Deal found 11/9£407
Sun 1/305:45PDX - LHR
2 stops22h 05mAir Canada
Thu 19/313:25LHR - PDX
2 stops17h 54mAir Canada
Deal found 11/9£408
Mon 3/1100:40PDX - LHR
1 stop22h 25mDelta
Fri 21/1106:20LHR - PDX
2 stops20h 07mDelta
Deal found 11/9£408
Mon 6/1015:20PDX - LGW
1 stop15h 15mIcelandair
Wed 22/1015:40LGW - PDX
1 stop34h 15mIcelandair
Deal found 11/9£408
Tue 14/1019:25PDX - LHR
Nonstop9h 35mBritish Airways
Tue 4/1110:05LHR - PDX
1 stop17h 09mBritish Airways
Deal found 10/9£409

Find flights from Portland within your budget

 
Find flights departing from Portland that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 12 September 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 5/11

17:45-11:20

Nonstop9h 35m

London Heathrow

Wed 10/12

13:45-15:55

Nonstop10h 10m

£403

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sun 19/10

19:25-13:00

Nonstop9h 35m

London Heathrow

Wed 5/11

13:45-15:55

Nonstop10h 10m

£403

PortlandLondon

PDX - LHR

PDXLHR

Portland

Sat 27/9

23:59-08:20

1 stop24h 21m

London Heathrow

Fri 10/10

14:10-23:01

1 stop16h 51m

£407

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 20/10

19:25-13:00

Nonstop9h 35m

London Heathrow

Thu 30/10

10:05-21:36

1 stop18h 31m

£407

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 3/11

00:40-07:05

1 stop22h 25m

London Heathrow

Fri 21/11

06:20-19:19

2 stops20h 59m

£408

PortlandLondon

PDX - LHR

PDXLHR

Portland

Tue 4/11

00:40-07:05

1 stop22h 25m

London Heathrow

Wed 10/12

08:40-20:53

2 stops20h 13m

£410

PortlandLondon

PDX - LHR

PDXLHR

Portland

Mon 20/10

19:25-13:00

Nonstop9h 35m

London Heathrow

Thu 30/10

10:05-19:43

1 stop16h 38m

£411

PortlandLondon

PDX - LHR

PDXLHR

Portland

Wed 29/10

06:00-06:25

1 stop17h 25m

London Heathrow

Tue 11/11

08:55-19:30

1 stop18h 35m

£413

PortlandLondon

PDX - STN

PDXSTN

Portland

Wed 1/10

15:20-22:30

2 stops23h 10m

London Stansted

Wed 8/10

08:15-17:55

2 stops17h 40m

£419

PortlandManchester

PDX - MAN

PDXMAN

Portland

Wed 1/10

15:20-11:15

1 stop11h 55m

Manchester

Wed 15/10

12:40-17:55

1 stop13h 15m

£425

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 60 results
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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.

Travel insights for flights from Portland

Get recent, data-driven insights about flights from Portland including ideal travel times, pricing trends, and more.

When is the best time to book a flight from Portland?

Use this chart to determine the optimal time to book a return flight from Portland to Heathrow. Price data was last updated on 29 August 2025.

Booking 86 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Portland?

Currently, November is the cheapest month in which you can book a flight from Portland (average of £394). Flying from Portland in June will prove the most costly (average of £607). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Portland?

Many airlines operate round-trip flights from Portland: British Airways, Iberia. These airlines fly to the following popular destinations: London.

British Airways
British Airways
From £514
Iberia
Iberia
From £576
Alaska Airlines
Alaska Airlines
From £172
Frontier
Frontier
From £38

What are popular destinations to fly to from Portland?

If you’re flying from Portland, these routes are more frequently taken by airlines Seattle (484 flights per day), Los Angeles (471 flights per day) and San Francisco (362 flights per day).

London
London
From £514
San Francisco
San Francisco
From £139
Los Angeles
Los Angeles
From £43
Reykjavik
Reykjavik
From £391

What is the cheapest place to fly to from Portland?

The cheapest city to fly to from Portland is Los Angeles, with prices starting at £32. Explore other affordable destinations below.

Los Angeles
Los Angeles
From £43
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From £120
San Diego
San Diego
From £138

Airline reviews for flights from Portland

Get insights into the airlines that provide service 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 airline for your flight from Portland. In the last 7 days, Cheapflights users made a total of 858,174 searches.
Get a feel of what it's like to fly with Iberia 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.
Iberia
7.0
Good
2,929 reviews
Check prices

Entertainment

6.6

Crew

7.6

Boarding

7.1

Comfort

6.7

Overall

7.0

Food

6.3

Reviews

1 / 20
6.0
Good

David,May 2025

JFK - MAD

Unfortunately carry on bag over head was full. I was seated 27J and had to place my carry on by seat 8 .. other then that it was a good flight
Iberia
7.0
Good
2,929 reviews
Iberia
7.0
Good
2,929 reviews
Check prices

Entertainment

6.6

Crew

7.6

Boarding

7.1

Comfort

6.7

Overall

7.0

Food

6.3

Reviews

1 / 20
6.0
Good

David,May 2025

JFK - MAD

Unfortunately carry on bag over head was full. I was seated 27J and had to place my carry on by seat 8 .. other then that it was a good flight
British Airways
6.7
Okay
7,361 reviews
Iberia
7.0
Good
2,929 reviews
Check prices

Entertainment

6.6

Crew

7.6

Boarding

7.1

Comfort

6.7

Overall

7.0

Food

6.3

Reviews

1 / 20
6.0
Good

David,May 2025

JFK - MAD

Unfortunately carry on bag over head was full. I was seated 27J and had to place my carry on by seat 8 .. other then that it was a good flight

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Direct flights from Oregon

Book a direct flight from one of these other cities located in Oregon.
Direct flights from Medford
Direct flights from Eugene
Direct flights from Redmond
Direct flights from North Bend

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 12 September 2025.

  • What are the most popular destinations to fly to from Portland?

    This month, the top selected destinations from Portland are Boston, Chicago, Atlanta. Throughout the year, Boston, Chicago, Atlanta are some of the top choices made by users flying from Portland.

  • What is the cheapest flight from Portland to anywhere?

    Users have flown out of Portland for as low as £32 to Los Angeles (prices may vary depending on the airline and departure time). On average, users have booked flights for £424 to fly from Portland.

  • What are the cheapest airlines flying from Portland to anywhere?

    Over the past few days, we've found that Frontier, Alaska Airlines, and British Airways have the cheapest prices from Portland. Frontier flights from Portland to San Francisco (£28), Alaska Airlines flights from Portland to Newark (£127), and British Airways flights from Portland to London Heathrow (£380).

  • What is the cheapest premium economy flight from Portland?

    Here are some of the cheapest offers we have found for the cheapest premium economy flights from Portland.
    Portland to Washington, D.C. Reagan-National Airport from £954
    Portland to London Heathrow Airport from £1,366
    Portland to Seattle from £1,674
    Portland to Vancouver Intl Airport from £1,685

  • What is the cheapest first class flight from Portland?

    If you’re looking for a cheap first-class flight from Portland, consider Santa Barbara. Prices start at £396 so you can fly first-class even on a budget.

  • What is the cheapest month to fly from Portland?

    At the present moment the cheapest month to fly from Portland is currently November; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Portland?

    Check out the cheapest flights from Portland to embark to:
    Travel from Portland to London from £364 round trip

  • How does Cheapflights help users find flights from Portland?

    When you search for this flight from Portland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

  • Why should you use Cheapflights to find cheap flight tickets from Portland?

    It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portland.

  • Can Cheapflights find flights from Portland with no change fees?

    Certainly. Search results for flights from Portland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

  • Can Cheapflights notify me if prices for flights from Portland become cheaper?

    Yes, Cheapflights offers price alerts on flights from Portland so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland?

When you search for this flight from Portland, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets from Portland?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portland.

Can Cheapflights find flights from Portland with no change fees?

Certainly. Search results for flights from Portland shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Portland become cheaper?

Yes, Cheapflights offers price alerts on flights from Portland so you can book your travels when it’s right. The Price Alerts feature is available by clicking the bell icon next to the flight deals above and providing your email address.

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