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£43+ Cheap 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 3/2. 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
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

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 5 December 2025.

Cheapest airline

Frontier

Good round-trip deal

£700 or less

Good one-way deal

£79 or less
On average, Frontier currently has the cheapest one-way flight from Portland (avg. price of £94).
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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

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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 5 December 2025.

Tue 20/116:20PDX - LAX
1 stop4h 05mSouthwest
Sat 24/108:55LAX - PDX
1 stop5h 40mSouthwest
Deal found 3/12£94
Thu 15/107:24PDX - LAX
Nonstop2h 27mAlaska Airlines
Sat 17/114:15LAX - PDX
Nonstop2h 34mAlaska Airlines
Deal found 3/12£95
Mon 12/110:33PDX - LAX
1 stop6h 55mAlaska Airlines
Mon 12/119:55LAX - PDX
Nonstop2h 29mAlaska Airlines
Deal found 4/12£97
Sat 14/218:00PDX - LAX
1 stop3h 55mSouthwest
Wed 18/206:55LAX - PDX
1 stop6h 40mSouthwest
Deal found 4/12£99
Tue 3/214:25PDX - LAX
2 stops7h 00mSouthwest
Tue 10/206:30LAX - PDX
1 stop9h 10mSouthwest
Deal found 2/12£100
Wed 7/114:15PDX - LAX
1 stop7h 10mSouthwest
Thu 15/116:45LAX - PDX
1 stop6h 15mSouthwest
Deal found 3/12£101
Sat 24/115:07PDX - LAX
1 stop3h 40mAlaska Airlines
Wed 4/207:00LAX - PDX
1 stop5h 38mAlaska Airlines
Deal found 3/12£102
Wed 31/1216:26PDX - LAX
Nonstop2h 37mAlaska Airlines
Tue 20/114:15LAX - PDX
Nonstop2h 34mAlaska Airlines
Deal found 3/12£103
Tue 20/116:20PDX - LAX
1 stop4h 05mSouthwest
Thu 22/113:10LAX - PDX
1 stop6h 45mSouthwest
Deal found 3/12£105
Wed 7/110:52PDX - LAX
Nonstop2h 23mAlaska Airlines
Wed 7/114:56LAX - PDX
1 stop5h 51mAlaska Airlines
Deal found 4/12£106
Tue 3/214:25PDX - LAX
1 stop6h 30mSouthwest
Thu 5/209:55LAX - PDX
2 stops10h 20mSouthwest
Deal found 4/12£109
Tue 6/114:56PDX - LAX
1 stop6h 12mAlaska Airlines
Fri 9/114:56LAX - PDX
1 stop7h 50mAlaska Airlines
Deal found 3/12£109

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 5 December 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Sat 10/1

06:50-10:40

1 stop3h 50m

Los Angeles

Wed 14/1

13:10-19:55

1 stop6h 45m

£94

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Thu 15/1

10:24-12:46

Nonstop2h 22m

Los Angeles

Wed 21/1

18:15-20:40

Nonstop2h 25m

£95

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Fri 20/2

13:02-15:23

Nonstop2h 21m

Los Angeles

Tue 24/2

13:45-16:10

Nonstop2h 25m

£95

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Mon 2/2

10:33-16:27

1 stop5h 54m

Los Angeles

Mon 2/2

19:55-22:24

Nonstop2h 29m

£97

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Sun 11/1

12:00-17:45

1 stop5h 45m

Los Angeles

Wed 14/1

14:45-22:15

1 stop7h 30m

£101

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Sun 11/1

06:15-11:05

1 stop4h 50m

Los Angeles

Wed 21/1

08:00-13:40

1 stop5h 40m

£101

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Fri 9/1

06:45-10:30

1 stop3h 45m

Los Angeles

Wed 14/1

14:45-22:15

1 stop7h 30m

£101

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Sat 24/1

09:10-13:41

1 stop4h 31m

Los Angeles

Sat 31/1

07:00-12:38

1 stop5h 38m

£102

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Tue 3/3

13:36-19:36

1 stop6h 00m

Los Angeles

Wed 11/3

17:00-23:46

1 stop6h 46m

£102

PortlandLos Angeles

PDX - LAX

PDXLAX

Portland

Sat 21/2

14:50-18:32

1 stop3h 42m

Los Angeles

Sat 28/2

17:00-23:46

1 stop6h 46m

£102

Flights are sorted by cheapest return flights first.

Deals found on 3/12

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 28 November 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, October is the cheapest month in which you can book a flight from Portland (average of £393). Flying from Portland in June will prove the most costly (average of £606). 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, Icelandair. These airlines fly to the following popular destinations: London.

British Airways
British Airways
From £386
Alaska Airlines
Alaska Airlines
From £59
Iberia
Iberia
From £431
Frontier
Frontier
From £29

What are popular destinations to fly to from Portland?

If you’re flying from Portland, these routes are more frequently taken by airlines Seattle (326 flights per day), San Francisco (296 flights per day) and Los Angeles (289 flights per day).

London
London
From £1,368
Salt Lake City
Salt Lake City
From £614
San Diego
San Diego
From £104

What is the cheapest place to fly to from Portland?

The cheapest city to fly to from Portland is San Diego, with prices starting at £104. Explore other affordable destinations below.

San Diego
San Diego
From £104
Salt Lake City
Salt Lake City
From £614
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From £700

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 Icelandair, Iberia, andBritish 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
584 reviews
Check prices

Food

6.2

Crew

8.0

Boarding

7.1

Overall

7.0

Entertainment

7.0

Comfort

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.
Icelandair
7.0
Good
584 reviews
Icelandair
7.0
Good
584 reviews
Check prices

Food

6.2

Crew

8.0

Boarding

7.1

Overall

7.0

Entertainment

7.0

Comfort

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.
Iberia
7.0
Good
3,040 reviews
Icelandair
7.0
Good
584 reviews
Check prices

Food

6.2

Crew

8.0

Boarding

7.1

Overall

7.0

Entertainment

7.0

Comfort

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.
British Airways
6.7
Okay
7,562 reviews
Icelandair
7.0
Good
584 reviews
Check prices

Food

6.2

Crew

8.0

Boarding

7.1

Overall

7.0

Entertainment

7.0

Comfort

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2025

AMS - KEF

We paid a total of 328.00 for specific seats and we were not assigned to any of the seats for which we paid.

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Direct flights from Oregon

Book a direct flight from one of these other cities located in Oregon.
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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 5 December 2025.

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

    This month, the top selected destinations from Portland are Boston, Chicago, Austin. 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 £79 to Sacramento (prices may vary depending on the airline and departure time). On average, users have booked flights for £769 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 (£29), Alaska Airlines flights from Portland to Newark (£59), and British Airways flights from Portland to London Heathrow (£386).

  • 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 Salt Lake City from £636
    Portland to London Heathrow Airport from £1,387
    Portland to Seattle from £1,699
    Portland to Vancouver Intl Airport from £1,711

  • 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 £402 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 October; 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 £366 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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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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