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£56+ 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 17/12. 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
27 Dec — 3 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 27 November 2025.

Cheapest airline

Frontier

Good round-trip deal

£206 or less

Good one-way deal

£80 or less
On average, Frontier currently has the cheapest one-way flight from Portland (avg. price of £95).
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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 27 November 2025.

Tue 13/117:51PDX - SFO
Nonstop1h 52mAlaska Airlines
Wed 14/111:36SFO - PDX
Nonstop1h 54mAlaska Airlines
Deal found 24/11£111
Tue 24/210:48PDX - SFO
Nonstop2h 01mAlaska Airlines
Tue 24/216:21SFO - PDX
1 stop6h 20mAlaska Airlines
Deal found 25/11£114
Wed 14/113:38PDX - SFO
1 stop4h 21mAlaska Airlines
Wed 21/114:58SFO - PDX
Nonstop1h 52mAlaska Airlines
Deal found 26/11£119
Tue 16/1210:36PDX - SFO
Nonstop1h 53mAlaska Airlines
Tue 16/1214:09SFO - PDX
1 stop6h 23mAlaska Airlines
Deal found 24/11£122
Thu 5/310:48PDX - SFO
Nonstop2h 01mAlaska Airlines
Thu 5/314:58SFO - PDX
Nonstop1h 52mAlaska Airlines
Deal found 25/11£123
Sat 7/317:40PDX - SFO
1 stop5h 16mHawaiian Airlines
Tue 10/306:30SFO - PDX
1 stop4h 16mHawaiian Airlines
Deal found 24/11£126
Thu 18/1207:15PDX - SFO
Nonstop2h 02mAlaska Airlines
Thu 8/111:36SFO - PDX
Nonstop1h 54mAlaska Airlines
Deal found 25/11£127
Mon 12/110:33PDX - SFO
Nonstop1h 50mAlaska Airlines
Mon 12/114:56SFO - PDX
1 stop5h 38mAlaska Airlines
Deal found 26/11£130
Tue 24/206:00PDX - SFO
1 stop5h 50mSouthwest
Tue 24/214:10SFO - PDX
2 stops7h 55mSouthwest
Deal found 25/11£130
Thu 15/107:40PDX - SFO
1 stop6h 24mAlaska Airlines
Tue 20/114:30SFO - PDX
1 stop6h 17mAlaska Airlines
Deal found 26/11£133
Thu 18/1217:50PDX - SFO
Nonstop1h 59mAlaska Airlines
Sun 18/106:00SFO - PDX
1 stop6h 38mAlaska Airlines
Deal found 25/11£134
Wed 24/1217:50PDX - SFO
Nonstop1h 59mAlaska Airlines
Wed 31/1207:45SFO - PDX
Nonstop1h 50mAlaska Airlines
Deal found 25/11£136

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

Fly to

Heathrow

Route

Depart

Return

Price

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Mon 16/3

17:50-19:47

Nonstop1h 57m

San Francisco

Wed 18/3

11:30-13:19

Nonstop1h 49m

£119

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Sun 15/3

10:48-12:49

Nonstop2h 01m

San Francisco

Tue 17/3

09:00-10:56

Nonstop1h 56m

£119

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Thu 5/3

07:05-09:08

Nonstop2h 03m

San Francisco

Thu 5/3

11:41-13:37

Nonstop1h 56m

£123

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Tue 16/12

17:15-22:31

1 stop5h 16m

San Francisco

Wed 17/12

05:45-10:55

1 stop5h 10m

£127

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 18/2

17:45-18:15

1 stop16h 30m

Glasgow Intl

Tue 3/3

15:20-15:55

1 stop32h 35m

£418

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Wed 18/2

17:45-18:15

1 stop16h 30m

Glasgow Intl

Thu 26/2

19:05-15:55

1 stop28h 50m

£418

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Mon 23/2

17:45-16:35

1 stop14h 50m

Glasgow Intl

Wed 4/3

10:55-15:55

1 stop13h 00m

£418

PortlandGlasgow

PDX - GLA

PDXGLA

Portland

Tue 24/2

14:05-16:55

2 stops18h 50m

Glasgow Intl

Fri 6/3

10:40-23:09

2 stops20h 29m

£422

PortlandEdinburgh

PDX - EDI

PDXEDI

Portland

Mon 12/1

17:45-18:10

1 stop16h 25m

Edinburgh Turnhouse

Sun 18/1

09:15-15:55

1 stop14h 40m

£427

PortlandEdinburgh

PDX - EDI

PDXEDI

Portland

Mon 12/1

17:45-15:15

1 stop13h 30m

Edinburgh Turnhouse

Fri 30/1

06:05-20:27

2 stops22h 22m

£428

Flights are sorted by cheapest return flights first.

Deals found on 26/11

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 21 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 £398). Flying from Portland in June will prove the most costly (average of £613). 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 £390
Alaska Airlines
Alaska Airlines
From £130
Iberia
Iberia
From £436
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 (371 flights per day), Los Angeles (363 flights per day) and San Francisco (266 flights per day).

London
London
From £1,383
Reykjavik
Reykjavik
From £447
Salt Lake City
Salt Lake City
From £621
San Francisco
San Francisco
From £206

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 £105. Explore other affordable destinations below.

San Diego
San Diego
From £105
San Francisco
San Francisco
From £206
Reykjavik
Reykjavik
From £447

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
581 reviews
Check prices

Food

6.2

Crew

8.0

Overall

7.0

Boarding

7.1

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
581 reviews
Icelandair
7.0
Good
581 reviews
Check prices

Food

6.2

Crew

8.0

Overall

7.0

Boarding

7.1

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
3,035 reviews
Icelandair
7.0
Good
581 reviews
Check prices

Food

6.2

Crew

8.0

Overall

7.0

Boarding

7.1

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
7,539 reviews
Icelandair
7.0
Good
581 reviews
Check prices

Food

6.2

Crew

8.0

Overall

7.0

Boarding

7.1

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

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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 27 November 2025.

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

    This month, the top selected destinations from Portland are Atlanta, Boston, Chicago. 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 £80 to Sacramento (prices may vary depending on the airline and departure time). On average, users have booked flights for £859 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 (£130), and British Airways flights from Portland to London Heathrow (£390).

  • 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 £643
    Portland to London Heathrow Airport from £1,402
    Portland to Seattle from £1,717
    Portland to Vancouver Intl Airport from £1,729

  • 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 £406 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 £368 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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