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£55+ 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 30/1. 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
16 Jan — 23 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 17 December 2025.

Cheapest airline

Frontier

Good round-trip deal

£154 or less

Good one-way deal

£44 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 17 December 2025.

Tue 17/210:48PDX - SFO
Nonstop2h 01mAlaska Airlines
Tue 17/216:21SFO - PDX
1 stop6h 20mAlaska Airlines
Deal found 15/12£113
Wed 14/107:20PDX - SFO
Nonstop1h 51mAlaska Airlines
Thu 22/109:00SFO - PDX
1 stop4h 48mAlaska Airlines
Deal found 15/12£113
Wed 14/114:15PDX - SFO
1 stop8h 05mSouthwest
Wed 21/111:10SFO - PDX
1 stop8h 05mSouthwest
Deal found 16/12£114
Sat 17/105:30PDX - SFO
1 stop4h 05mDelta
Tue 20/106:00SFO - PDX
1 stop4h 07mDelta
Deal found 16/12£116
Wed 14/113:38PDX - SFO
1 stop4h 21mAlaska Airlines
Wed 21/114:25SFO - PDX
1 stop6h 22mAlaska Airlines
Deal found 17/12£116
Tue 17/217:50PDX - SFO
Nonstop1h 57mAlaska Airlines
Wed 18/216:21SFO - PDX
1 stop6h 20mAlaska Airlines
Deal found 15/12£117
Thu 15/117:15PDX - SFO
1 stop6h 13mDelta
Tue 20/106:00SFO - PDX
1 stop4h 07mDelta
Deal found 16/12£119
Sat 10/109:20PDX - SFO
1 stop4h 18mDelta
Mon 12/114:39SFO - PDX
1 stop6h 20mDelta
Deal found 17/12£121
Sun 15/214:25PDX - SFO
1 stop8h 25mSouthwest
Wed 18/211:30SFO - PDX
2 stops8h 25mSouthwest
Deal found 17/12£123
Sat 7/314:45PDX - EDI
1 stop11h 15mIcelandair
Sun 15/311:00EDI - PDX
1 stop14h 00mIcelandair
Deal found 16/12£354
Sat 7/314:45PDX - GLA
1 stop11h 10mIcelandair
Sun 15/312:35GLA - PDX
1 stop12h 25mIcelandair
Deal found 16/12£367
Mon 9/315:45PDX - EDI
1 stop11h 15mIcelandair
Sun 15/311:00EDI - PDX
1 stop14h 00mIcelandair
Deal found 15/12£385

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 17 December 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

Tue 17/2

10:48-12:49

Nonstop2h 01m

San Francisco

Tue 17/2

16:21-22:41

1 stop6h 20m

£113

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Sun 15/3

07:05-09:08

Nonstop2h 03m

San Francisco

Tue 17/3

06:30-10:46

1 stop4h 16m

£113

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 14/1

14:30-16:22

Nonstop1h 52m

San Francisco

Sun 18/1

14:30-20:47

1 stop6h 17m

£113

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Sat 10/1

16:14-18:03

Nonstop1h 49m

San Francisco

Sun 11/1

11:36-13:30

Nonstop1h 54m

£117

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Sun 15/2

10:48-12:49

Nonstop2h 01m

San Francisco

Tue 17/2

07:50-09:42

Nonstop1h 52m

£117

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Mon 16/3

14:47-16:44

Nonstop1h 57m

San Francisco

Wed 18/3

11:30-13:19

Nonstop1h 49m

£117

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Fri 6/2

13:38-20:12

1 stop6h 34m

San Francisco

Mon 9/2

21:42-23:32

Nonstop1h 50m

£117

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Mon 16/2

07:05-09:08

Nonstop2h 03m

San Francisco

Sat 21/2

09:00-10:56

Nonstop1h 56m

£117

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Sat 7/2

14:30-16:22

Nonstop1h 52m

San Francisco

Mon 9/2

21:42-23:32

Nonstop1h 50m

£117

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Tue 27/1

07:20-09:11

Nonstop1h 51m

San Francisco

Sat 31/1

16:46-20:47

1 stop4h 01m

£117

Flights are sorted by cheapest return flights first.

Deals found on 15/12

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 12 December 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 £392). Flying from Portland in June will prove the most costly (average of £624). 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 £384
Alaska Airlines
Alaska Airlines
From £58
Iberia
Iberia
From £429
Frontier
Frontier
From £28

What are popular destinations to fly to from Portland?

If you’re flying from Portland, these routes are more frequently taken by airlines Los Angeles (199 flights per day), Seattle (190 flights per day) and San Francisco (123 flights per day).

London
London
From £1,362
San Francisco
San Francisco
From £44
Anchorage
Anchorage
From £183
Salt Lake City
Salt Lake City
From £611

What is the cheapest place to fly to from Portland?

The cheapest city to fly to from Portland is San Francisco, with prices starting at £44. Explore other affordable destinations below.

San Francisco
San Francisco
From £44
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From £111
Anchorage
Anchorage
From £183

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
591 reviews
Check prices

Food

6.2

Crew

8.0

Boarding

7.2

Entertainment

7.0

Overall

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
591 reviews
Icelandair
7.0
Good
591 reviews
Check prices

Food

6.2

Crew

8.0

Boarding

7.2

Entertainment

7.0

Overall

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
3,051 reviews
Icelandair
7.0
Good
591 reviews
Check prices

Food

6.2

Crew

8.0

Boarding

7.2

Entertainment

7.0

Overall

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
7,583 reviews
Icelandair
7.0
Good
591 reviews
Check prices

Food

6.2

Crew

8.0

Boarding

7.2

Entertainment

7.0

Overall

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 17 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 £44 to San Francisco (prices may vary depending on the airline and departure time). On average, users have booked flights for £541 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 (£58), and British Airways flights from Portland to London Heathrow (£384).

  • 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 £633
    Portland to London Heathrow Airport from £1,381
    Portland to Seattle from £1,691
    Portland to Vancouver Intl Airport from £1,703

  • 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 £400 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 £359 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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