Cheap Flights from Cardiff to Portland

Compare Cardiff to Portland flight deals

Find the cheapest month or even day of the year to fly to Portland

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Flight deals from Cardiff to Portland

Looking for a cheap last-minute deal or the best return flight from Cardiff to Portland? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Cardiff to Portland

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cardiff to Portland flights are currently cheapest in June.

Cardiff to Portland: Alternative routes

Compare routes from Cardiff to Portland below. You may find an airport to fly into that's cheaper, faster, or easier than Portland.

Cardiff to Portland: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 21,524
Cheapest month to flyJune

Finding cheap flights from Cardiff to Portland: Frequently asked questions

The best price we found for a return flight from Cardiff to Portland is ج.م.‏ 67,962. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Cardiff to Portland. But we found flights with one or more stops from ج.م.‏ 67,962.
As of February 2026, there are no flights flying from Cardiff to Portland.
The cheapest month to fly from Cardiff to Portland is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cardiff Airport to Portland Airport on Sunday, 8 February 2026.
No airlines currently offer direct flights between Cardiff Airport and Portland Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Portland but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Portland is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Ryanair offers the cheapest flight tickets to Portland.

Travelling from Cardiff Airport (CWL) to Portland International Airport (PDX): what you need to know

  • The timezone in Portland is UTC-7, which is seven hours behind Cardiff.

  • Leave plenty of time to make your CWL to PDX flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like June, it's best to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead of international flights when you fly during a high season in general.

  • If you want to visit another city along the way, search for a flight with a stopover. To see all your options for tickets from Cardiff Airport to Portland International Airport, uncheck 'Direct flights only.' Keflavik International Airport is a popular stop between CWL and PDX.

How to find the cheapest flights from Cardiff Airport (CWL) to Portland International Airport (PDX)

  • Currently, ج.م.‏ 21,524 is the lowest price we've seen for a one-way Cardiff Airport to Portland International Airport flight. The best price for a return plane ticket is ج.م.‏ 67,962. Bear in mind that fares may change due to availability at the time of booking.

  • Don't leave everything to the last minute. You're more likely to find cheap tickets from CWL to PDX if you book in advance. Airlines often have some amazing early bird discounts.

  • The 'Whole month' tool shows you the cheapest flights from Cardiff Airport to Portland International Airport across the entire month. It's a good way to find a bargain if your travel dates aren't set in stone.

  • There's no need to check back in every day to see if fares have dropped when you create a Price Alert. We'll send you an update the moment the price changes on cheap flights from CWL to PDX.

  • Tailor your flights using filters. Choose your ideal arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Best' or 'Fastest' flights from Cardiff Airport to Portland International Airport.

Handy information about Cardiff Airport (CWL)

  • Of the departures from Cardiff Airport, 66.16% arrive on time at their destination.

  • Cardiff Airport is around 27 kilometres from central Cardiff. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 30 minutes or so to get there, depending on the traffic.

  • Catching public transport? You can expect a journey time of around 1 hour 5 minutes.

  • Catching an early flight from Cardiff Airport to Portland International Airport? Avoid the stress of rushing to the terminal (and sneak in some extra snooze time) by picking one of these stays close to CWL:

Arriving at Portland International Airport (PDX)

Getting from Portland International Airport (PDX) to central Portland

  • The street address for PDX is 7000 NE Airport Way.

  • Portland International Airport is approximately 19 kilometres from central Portland. The drive time takes about 20 minutes.

  • Getting to the centre by public transport takes roughly 45 minutes.

When to fly to Portland International Airport (PDX)

  • The quietest month for a flight from Cardiff Airport to Portland International Airport is May, while July is the most popular. Pick the best time to visit Portland based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Portland is August, with temperatures ranging between 12ºC and 31ºC. Lock in your flights from Cardiff Airport to Portland International Airport in this month if you enjoy this type of weather.

  • December sees average temperatures of between 0ºC and 9ºC. Look for cheap tickets from CWL to PDX sometime then if you like travelling in cooler conditions.

Explore more of United States

  • Seattle is just one of the many places in United States waiting to be explored once you've taken in the sights of Portland. Around 241 kilometres away to the north, top sights here include Greyhound: Bus Station, LMN Architects and Boeing Radiation Effects Lab.

  • If you want to check out another great destination in United States, head for Spokane, about 467 kilometres north-east of Portland. Manito Park, Northwest Museum of Arts & Culture and Spokane Falls are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.