Find flights
When to book
FAQs

Cheap flights from Dublin to Portland from £443

DUB — PDX
24 Nov — 1 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to Portland

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to Portland

Fri 4/1212:30 -
1 stop15h 47m
Fri 11/1207:00 -
1 stop20h 30m
Deal found 20/10£647
Sat 21/1109:00 -
2 stops32h 26m
Sat 28/1119:10 -
2 stops28h 00m
Deal found 24/10£693
Sun 1/1105:45 -
1 stop13h 55m
Sat 14/1109:16 -
2 stops20h 54m
Deal found 20/10£707
Tue 3/1113:25 -
1 stop30h 15m
Wed 18/1111:32 -
2 stops22h 53m
Deal found 21/10£708
Tue 3/1113:25 -
1 stop30h 15m
Mon 16/1106:45 -
1 stop17h 00m
Deal found 21/10£709
Sat 21/1110:40 -
1 stop16h 32m
Sat 28/1107:00 -
1 stop17h 10m
Deal found 24/10£710
Fri 4/1205:45 -
2 stops24h 22m
Fri 11/1206:00 -
1 stop17h 55m
Deal found 20/10£713
Sat 21/1109:00 -
2 stops32h 26m
Sat 28/1107:00 -
1 stop17h 10m
Deal found 24/10£719

Find flight deals from Dublin to Portland

Round-trip from

£647

One-way from

£443

Popular in

March

Cheapest in

February

Average price

£637
4/12-11/12
  • 4/12-11/12
  • 2 total stops
  • 36h 17m total
  • Dublin to Portland
Search Deals
Delta
  • Delta
  • 10/12-31/12
  • 1 total stop
  • 29h 55m total
  • Dublin to Portland
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Thu 10/12

13:25-11:20

1 stop29h 55m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£443

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Fri 22/1

05:45-11:20

1 stop13h 35m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£459

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Sat 23/1

05:45-17:06

2 stops19h 21m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£463

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Sat 12/12

05:45-22:07

2 stops24h 22m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£463

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Wed 27/1

10:45-20:53

1 stop18h 08m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£470

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Sat 12/12

09:55-21:58

1 stop20h 03m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£474
Fastest return journey

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Mon 29/3

06:00-11:10

1 stop13h 10m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£480

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Fri 5/2

12:30-20:56

2 stops40h 26m

Portland

Sun 7/2

10:00-18:20

2 stops24h 20m

£678

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Thu 25/2

08:50-20:23

2 stops19h 33m

Portland

Fri 5/3

11:10-14:10

2 stops19h 00m

£711

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Fri 4/12

05:45-22:07

2 stops24h 22m

Portland

Fri 11/12

06:00-07:55

1 stop17h 55m

£713

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Best time to book a flight from Dublin to Portland

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

Cheapflights Insights

Everything you need to know about your flight from Dublin to Portland

What is the cheapest month to book a flight from Dublin to Portland?

Currently, February is the cheapest month in which you can book a flight from Dublin to Portland (average of £566). Flying from Dublin to Portland in March is currently the most expensive (average of £838). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

  • How long is the flight from Dublin to Portland?

    For as low as £681, Scandinavian Airlines can have you in Portland from Dublin in 13h 30m. The distance from Dublin to Portland is about 4635 mi. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Dublin to Portland?

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

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

    Yes. Cheapflights offers flight deals from Dublin 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.

  • What is the cheapest month to book a flight from Dublin to Portland?

    Currently, February is the cheapest month in which you can book a flight from Dublin to Portland (average of £566). Flying from Dublin to Portland in March is currently the most expensive (average of £838). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Portland from Dublin today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Dublin to 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 Dublin to Portland.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Dublin to Portland, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Dublin to Portland become cheaper?

Yes, Cheapflights offers price alerts on Dublin to Portland flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the 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.