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Cheap flights from Ireland to Portland from £322

DUB — PDX
10 Dec — 17 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Portland

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Portland

Sat 21/1109:55 -
1 stop17h 19m
Wed 25/1106:45 -
1 stop17h 00m
Deal found 9/11£524
Mon 16/1105:45 -
1 stop13h 35m
Sun 29/1107:00 -
2 stops23h 25m
Deal found 9/11£526
Sun 15/1105:45 -
1 stop13h 55m
Sun 22/1109:09 -
2 stops21h 16m
Deal found 7/11£527
Thu 19/1113:25 -
1 stop29h 55m
Wed 2/1211:32 -
2 stops22h 53m
Deal found 10/11£529
Tue 17/1108:50 -
2 stops22h 56m
Tue 24/1107:00 -
2 stops23h 30m
Deal found 8/11£530
Wed 9/1205:45 -
2 stops25h 54m
Sun 13/1223:10 -
1 stop24h 35m
Deal found 8/11£532
Sun 22/1105:45 -
2 stops26h 01m
Mon 7/1209:16 -
2 stops21h 14m
Deal found 6/11£535
Sun 22/1105:45 -
1 stop13h 55m
Mon 7/1211:32 -
2 stops17h 08m
Deal found 6/11£538

Find flight deals from Ireland to Portland

Round-trip from

£524

One-way from

£322

Popular in

March

Cheapest in

February

Average price

£635
KLM
  • KLM
  • 21/11-25/11
  • 2 total stops
  • 34h 19m total
  • Ireland to Portland
Search Deals
Delta
  • Delta
  • 25/1-31/12
  • 2 total stops
  • 25h 55m total
  • Ireland to Portland
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£18 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 November 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ireland 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 28/1

05:45-23:40

2 stops25h 55m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£322

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Mon 25/1

05:45-23:40

2 stops25h 55m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£322

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Mon 29/3

05:55-10:50

1 stop12h 55m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£348
Fastest return journey

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Wed 28/4

05:55-10:50

1 stop12h 55m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£348

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Mon 29/3

15:15-18:35

1 stop35h 20m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£413

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Sun 28/3

13:25-23:51

2 stops18h 26m

Portland

Wed 31/12

00:00-09:00

Nonstop0h 00m

£433

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Wed 9/12

05:45-11:40

1 stop13h 55m

Portland

Sun 13/12

06:00-07:55

1 stop17h 55m

£528

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Sat 21/11

05:45-20:44

2 stops22h 59m

Portland

Tue 24/11

00:35-09:00

2 stops24h 25m

£530

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Wed 25/11

05:45-11:40

1 stop13h 55m

Portland

Sat 12/12

07:10-08:45

1 stop17h 35m

£533

DublinPortland

DUB Dublin - PDX Portland

DUBPDX

Dublin

Sun 22/11

06:00-16:29

2 stops18h 29m

Portland

Mon 7/12

06:50-07:45

1 stop16h 55m

£540

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Ireland to Portland

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

Cheapflights Insights

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

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

Currently, February is the cheapest month in which you can book a flight from Ireland to Portland (average of £565). Flying from Ireland to Portland in March is currently the most expensive (average of £837). 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

  • What airport do you fly into for flights to Portland from Ireland?

    Located just 6.0 mi from the city center, Portland (PDX) is the airport most travelers will use when flying to Portland from Ireland.

  • How long is the flight from Ireland to Portland?

    There are many flights that can get you from Ireland to Portland in 13h 55m. Fly via Delta to get the fastest option. Ireland and Portland are separated by a distance of 4635 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ireland 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 Ireland to Portland?

    Currently, February is the cheapest month in which you can book a flight from Ireland to Portland (average of £565). Flying from Ireland to Portland in March is currently the most expensive (average of £837). 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 Ireland to Portland?

When you search for this flight from Ireland to 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 flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ireland to Portland for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Need flexible booking options for your flight to Portland from Ireland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Not ready to book yet? You can track prices for flights from Ireland to Portland on Cheapflights with our Price Alert feature and get notified when better prices are available.

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