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Cheap flights from Dublin to Portland from £394

DUB — PDX
4 Oct — 11 Oct1
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

Wed 21/1005:55 -
1 stop13h 15m
Thu 29/1006:50 -
1 stop17h 55m
Deal found 3/9£629
Mon 26/1005:45 -
1 stop13h 35m
Sun 8/1106:00 -
2 stops19h 00m
Deal found 2/9£630
Sun 25/1013:25 -
1 stop29h 55m
Sat 7/1111:25 -
2 stops23h 00m
Deal found 4/9£631
Sun 1/1113:25 -
1 stop29h 55m
Sat 14/1106:45 -
1 stop17h 00m
Deal found 2/9£632
Wed 21/1005:55 -
1 stop13h 15m
Thu 29/1011:25 -
2 stops20h 05m
Deal found 3/9£633
Sat 17/1005:55 -
1 stop13h 15m
Sat 24/1005:30 -
2 stops20h 30m
Deal found 2/9£634
Fri 18/905:55 -
1 stop13h 15m
Thu 8/1006:50 -
1 stop17h 55m
Deal found 2/9£634
Thu 17/905:55 -
1 stop13h 15m
Fri 9/1013:05 -
1 stop19h 35m
Deal found 3/9£635
Fri 23/1005:55 -
2 stops24h 01m
Mon 9/1107:00 -
2 stops23h 30m
Deal found 2/9£637
Fri 2/1005:55 -
2 stops20h 21m
Fri 16/1022:15 -
1 stop27h 45m
Deal found 3/9£638

Find flight deals from Dublin to Portland

Round-trip from

£595

One-way from

£394

Popular in

July

Cheapest in

February

Average price

£743
Scandinavian Airlines
  • Scandinavian Airlines
  • 5/2-7/2
  • 4 total stops
  • 77h 06m total
  • Dublin to Portland
Search Deals
22/10-31/12
  • 22/10-31/12
  • 3 total stops
  • 45h 10m total
  • Dublin to Portland
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

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

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Route

Depart

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Price

Cheapest return flight

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Thu 22/10

06:50-20:00

3 stops45h 10m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£394

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Fri 23/10

13:00-13:53

2 stops32h 53m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£397

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Sun 20/12

11:30-17:00

1 stop13h 30m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£443

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Sat 21/11

13:05-15:50

1 stop34h 45m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£538
Fastest return journey

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Mon 21/12

10:50-15:50

1 stop13h 00m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£539

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Thu 24/12

13:05-15:50

1 stop34h 45m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£539

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Fri 18/9

05:55-11:10

1 stop13h 15m

Portland

Thu 8/10

09:31-15:25

2 stops21h 54m

£634

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Thu 1/10

05:55-11:10

1 stop13h 15m

Portland

Thu 15/10

09:31-15:25

2 stops21h 54m

£634

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Fri 18/9

05:55-11:10

1 stop13h 15m

Portland

Thu 8/10

06:50-08:45

1 stop17h 55m

£634

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Thu 17/9

05:55-11:10

1 stop13h 15m

Portland

Fri 9/10

13:05-16:40

1 stop19h 35m

£635

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 13 resultsSorted by cheapest first
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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 £560). Flying from Dublin to Portland in July is currently the most expensive (average of £788). 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 £634, Delta can have you in Portland from Dublin in 13h 15m. The distance from Dublin to Portland is about 4635 mi.

  • 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 £560). Flying from Dublin to Portland in July is currently the most expensive (average of £788). 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

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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.

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