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Cheap flights from Ireland to Portland from €339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Portland departing on 7/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Ireland to Portland

Recent return flight deals from Ireland to Portland

Enter your travel dates to find the best prices.
JetBlue Logo
10:40 - 22:32
DUB
-
PDX
19h 52m
1 stop
JetBlue Logo
23:27 - 08:20
PDX
-
DUB
24h 53m
1 stop
€577JetBlue
Sat, 11 Jul - Fri, 24 Jul
JetBlue Logo
10:40 - 13:04
DUB
-
PDX
34h 24m
1 stop
JetBlue Logo
23:27 - 08:20
PDX
-
DUB
24h 53m
1 stop
€595JetBlue
Mon, 6 Jul - Sat, 11 Jul
JetBlue Logo
10:40 - 22:31
DUB
-
PDX
19h 51m
1 stop
JetBlue Logo
23:27 - 08:20
PDX
-
DUB
24h 53m
1 stop
€627JetBlue
Sat, 11 Jul - Fri, 24 Jul
Multiple Airlines Logo
10:40 - 22:32
DUB
-
PDX
19h 52m
1 stop
Multiple Airlines Logo
19:05 - 11:05
PDX
-
DUB
32h 00m
1 stop
€665Multiple Airlines
Thu, 9 Jul - Wed, 22 Jul
Multiple Airlines Logo
13:00 - 13:50
DUB
-
PDX
32h 50m
1 stop
Multiple Airlines Logo
07:00 - 17:05
PDX
-
DUB
26h 05m
2 stops
€675Multiple Airlines
Tue, 15 Sep - Tue, 6 Oct
KLM Logo
13:05 - 21:11
SNN
-
PDX
16h 06m
1 stop
KLM Logo
22:35 - 11:10
PDX
-
SNN
28h 35m
1 stop
€725KLM
Tue, 9 Jun - Sat, 13 Jun
Delta Logo
13:05 - 11:46
SNN
-
PDX
30h 41m
1 stop
Delta Logo
07:01 - 11:10
PDX
-
SNN
20h 09m
1 stop
€775Delta
Wed, 3 Jun - Sun, 7 Jun
Delta Logo
13:05 - 21:01
SNN
-
PDX
15h 56m
1 stop
Delta Logo
22:35 - 11:10
PDX
-
SNN
28h 35m
1 stop
€776Delta
Fri, 5 Jun - Tue, 9 Jun
KLM Logo
13:05 - 16:19
SNN
-
PDX
35h 14m
2 stops
KLM Logo
22:35 - 11:10
PDX
-
SNN
28h 35m
1 stop
€800KLM
Tue, 9 Jun - Sat, 13 Jun
American Airlines Logo
14:30 - 14:57
SNN
-
PDX
32h 27m
2 stops
American Airlines Logo
23:43 - 06:00
PDX
-
SNN
22h 17m
2 stops
€925American Airlines
Tue, 9 Jun - Sat, 13 Jun

American Airlines flights from Ireland to Portland

Our best American Airlines deals on Ireland to Portland flight tickets
American Airlines
18 Jun
DUB09:30Dublin
22h 17m
1 stop
PDX23:47Portland
22 Jun
PDX13:34Portland
36h 11m
1 stop
DUB09:45Dublin
€776
American Airlines
28 May
DUB12:40Dublin
18h 11m
1 stop
PDX22:51Portland
10 Jun
PDX22:40Portland
23h 50m
1 stop
DUB06:30Dublin
€777
American Airlines
9 Jun
SNN14:30Shannon
32h 27m
2 stops
PDX14:57Portland
13 Jun
PDX23:43Portland
22h 17m
2 stops
SNN06:00Shannon
€925

United Airlines flights from Ireland to Portland

Our best United Airlines deals on Ireland to Portland flight tickets
United Airlines
3 Aug
SNN09:30Shannon
21h 43m
2 stops
PDX23:13Portland
31 Aug
PDX10:35Portland
12h 55m
1 stop
SNN07:30Shannon
€974
United Airlines
3 Aug
SNN09:30Shannon
21h 18m
2 stops
PDX22:48Portland
31 Aug
PDX10:56Portland
15h 19m
1 stop
SNN10:15Shannon
€976

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 24 May 2026.
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 - PDX

DUBPDX

Dublin

Sat 11/7

10:40-22:32

1 stop19h 52m

Portland

Fri 24/7

23:27-08:20

1 stop24h 53m

€577

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 6/7

10:40-13:04

1 stop34h 24m

Portland

Sat 11/7

23:27-08:20

1 stop24h 53m

€595

DublinPortland

DUB - PDX

DUBPDX

Dublin

Sat 11/7

10:40-22:31

1 stop19h 51m

Portland

Fri 24/7

23:27-08:20

1 stop24h 53m

€627

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 9/7

10:40-22:32

1 stop19h 52m

Portland

Wed 22/7

19:05-11:05

1 stop32h 00m

€665

DublinPortland

DUB - PDX

DUBPDX

Dublin

Tue 15/9

13:00-13:50

1 stop32h 50m

Portland

Tue 6/10

07:00-17:05

2 stops26h 05m

€675

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Tue 9/6

13:05-21:11

1 stop16h 06m

Portland

Sat 13/6

22:35-11:10

1 stop28h 35m

€725

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 3/6

13:05-11:46

1 stop30h 41m

Portland

Sun 7/6

07:01-11:10

1 stop20h 09m

€775
Fastest return journey

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Fri 5/6

13:05-21:01

1 stop15h 56m

Portland

Tue 9/6

22:35-11:10

1 stop28h 35m

€776

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Tue 9/6

13:05-16:19

2 stops35h 14m

Portland

Sat 13/6

22:35-11:10

1 stop28h 35m

€800

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Tue 9/6

14:30-14:57

2 stops32h 27m

Portland

Sat 13/6

23:43-06:00

2 stops22h 17m

€925

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Portland from

How to get the cheapest flight ticket from Ireland to Portland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portland?

If you aren’t able to travel to Portland during the month of April, then flying in November is also cheap. Prices for this month can be found on momondo for an average of €648.

Cheap Ireland to Portland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Portland

Fastest flight time

12h 50m

Direct flights

None
The fastest flight from Ireland to Portland takes 12h 50m
There are no direct flights from Ireland to Portland. There are no popular flight routes from Ireland to Portland.
Search flight deals

Frequently asked questions about flying from Ireland to Portland

  • When did momondo last update prices for flights from Ireland to Portland Airport?

    Prices for flights from Ireland to Portland Airport refresh daily.

  • How many operators does momondo search for flights from Ireland to Portland Airport?

  • How old do you have to be to fly from Ireland to Portland Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to Portland Airport.

  • What documentation or ID do you need to fly to Portland Airport?

    The necessary travel and health documents for your Portland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Ireland to Portland

Compare and see reviews for airlines that fly from Ireland to Portland with momondo
Airline
Rating
Free Cancellation
Price
KLMPriceFrom €707Free CancellationRating
7.8
1,521 reviews
Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Portland?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Portland . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ireland to Portland with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Portland from Ireland with this policy.

How can momondo help me find flights from Ireland to Portland?

Once you have performed a search for Ireland to Portland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Ireland to Portland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ireland to Portland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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KLM