How long is the flight from Cardiff to Portland?

Airlines like KLM fly from Cardiff to Portland in about 31h 22m. The time it takes to get you to your destination can typically vary by up to . Cardiff and Portland are separated by a distance of 4821 mi.

In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What is the cheapest time of day to fly from CWL to PDX?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cardiff to Portland as you normally would.

Can I find deals for flights from Cardiff to Portland that include hotel bookings?

Yes. In addition to deals on Cardiff to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Cardiff to Portland?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Portland.

Can I find deals for business class flights from Cardiff to Portland?

Yes. Cheapflights offers flight deals from Cardiff to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£785+ Cheap Flights from Cardiff to Portland

Cheap flight deals from Cardiff to Portland

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

Cheapest flights from Cardiff to Portland
Explore the most affordable flight options available from Cardiff to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Wed 28/1010:20 -

2 stops31h 22m

Wed 4/1115:22 -

2 stops17h 38m

Deal found 13/9£785

Thu 17/917:15 -

1 stop25h 55m

Thu 24/913:05 -

1 stop12h 10m

Deal found 12/9£1,231

Thu 17/909:45 -

1 stop33h 25m

Thu 24/915:21 -

2 stops17h 24m

Deal found 12/9£1,235

Thu 17/909:45 -

2 stops18h 31m

Thu 24/915:21 -

2 stops17h 24m

Deal found 12/9£1,258

Wed 28/1017:30 -

3 stops34h 03m

Wed 4/1115:15 -

3 stops34h 35m

Deal found 13/9£1,518

Find flight deals from Cardiff to Portland

Round-trip from	£785

KLM
28/10-4/11
4 total stops
49h 00m total
Cardiff to Portland

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

CardiffPortland

CWL Cardiff Wales - PDX Portland

CWLPDX

Cardiff Wales

Wed 28/10

10:20-10:42

2 stops31h 22m

Portland

Wed 4/11

15:22-17:00

2 stops17h 38m

£785

CardiffPortland

CWL Cardiff Wales - PDX Portland

CWLPDX

Cardiff Wales

Wed 28/10

17:30-20:33

3 stops34h 03m

Portland

Wed 4/11

15:15-09:50

3 stops34h 35m

£1,518

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Sorted by cheapest first

Best time to book a flight from Cardiff to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Cardiff with our price prediction graph.

CWL-PDX

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.

Related info for your journey

How long is the flight from Cardiff to Portland?
Airlines like KLM fly from Cardiff to Portland in about 31h 22m. The time it takes to get you to your destination can typically vary by up to . Cardiff and Portland are separated by a distance of 4821 mi.
Can I find deals for flights from Cardiff to Portland that include hotel bookings?
Yes. In addition to deals on Cardiff to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Cardiff to Portland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cardiff to Portland.
Can I find deals for business class flights from Cardiff to Portland?
Yes. Cheapflights offers flight deals from Cardiff to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Oregon

Flights by cabin class

Other flight options

Other flights from Cardiff

Popular flights

Portland flight routes

Alternative routes for Cardiff to Portland

Manchester to Portland flights

Bristol to Portland flights

Manchester to Eugene flights

Manchester to Redmond flights

Bristol to Boise flights

Cardiff to Boise flights

Fly with Cheapflights

How does Cheapflights help users find flights from Cardiff to Portland?

Cheapflights makes it easy to find Cardiff to Portland flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Cardiff to Portland for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Cardiff to Portland with no change fees?

Certainly. Search results for flights to Portland from Cardiff 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 Cardiff to Portland become cheaper?

Of course! You can now track prices for flights from Cardiff to Portland and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Cardiff to Portland from £785

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 28/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Cardiff to Portland

Cheapest flights from Cardiff to PortlandExplore the most affordable flight options available from Cardiff to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Explore the most affordable flight options available from Cardiff to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2026.

Best flights from Cardiff to PortlandDiscover carefully curated flight deals from Cardiff to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Discover carefully curated flight deals from Cardiff to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 16 September 2026.

Last-minute flights from Cardiff to PortlandDiscover last-minute flight deals from Cardiff to Portland. Data last updated 16 September 2026 and is based on user searches.

Discover last-minute flight deals from Cardiff to Portland. Data last updated 16 September 2026 and is based on user searches.

Find flight deals from Cardiff to Portland

Round-trip from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Cardiff to Portland that are best for you.

Best time to book a flight from Cardiff to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Cardiff with our price prediction graph.

Related info for your journey

How long is the flight from Cardiff to Portland?

Can I find deals for flights from Cardiff to Portland that include hotel bookings?

How can I find direct flights from Cardiff to Portland?

Can I find deals for business class flights from Cardiff to Portland?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Cardiff to Portland

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Portland by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Oregon

Book a non-stop flight to one of these other cities located in Oregon.

Search flights from Cardiff to Portland by cabin class

Find flights from Cardiff to Portland, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Cardiff and Portland flights

Browse other Cardiff and Portland flight options. Last updated on 16 September 2026.

Other flights from Cardiff

Browse through other flights departing from Cardiff. Flights are based on user searches made on Cheapflights and were last updated on 16 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to Portland

Explore flights to Portland departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 16 September 2026.