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Cheap flights from Ireland to Portland from €345

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 8/6. 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
€576JetBlue
Sat, 11 Jul - Fri, 24 Jul
JetBlue Logo
10:40 - 13:10
DUB
-
PDX
34h 30m
1 stop
JetBlue Logo
14:30 - 08:20
PDX
-
DUB
33h 50m
1 stop
€583JetBlue
Wed, 3 Jun - Sat, 6 Jun
JetBlue Logo
10:40 - 13:05
DUB
-
PDX
34h 25m
1 stop
JetBlue Logo
23:29 - 08:20
PDX
-
DUB
24h 51m
1 stop
€594JetBlue
Tue, 16 Jun - Mon, 29 Jun
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
15:30 - 00:35
PDX
-
DUB
25h 05m
2 stops
€684Multiple Airlines
Tue, 15 Sep - Mon, 12 Oct
Delta Logo
13:05 - 11:46
SNN
-
PDX
30h 41m
1 stop
Delta Logo
07:01 - 11:10
PDX
-
SNN
20h 09m
1 stop
€774Delta
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
€775Delta
Fri, 5 Jun - Tue, 9 Jun
KLM Logo
13:05 - 23:44
SNN
-
PDX
18h 39m
2 stops
KLM Logo
07:01 - 11:10
PDX
-
SNN
20h 09m
1 stop
€825KLM
Wed, 3 Jun - Sun, 7 Jun
KLM Logo
13:05 - 23:44
SNN
-
PDX
18h 39m
2 stops
KLM Logo
17:24 - 11:10
PDX
-
SNN
33h 46m
2 stops
€873KLM
Wed, 3 Jun - Sun, 7 Jun
United Airlines Logo
09:30 - 22:48
SNN
-
PDX
21h 18m
2 stops
United Airlines Logo
10:56 - 10:15
PDX
-
SNN
15h 19m
1 stop
€976United Airlines
Mon, 3 Aug - Mon, 31 Aug

JetBlue flights from Ireland to Portland

Our best JetBlue deals on Ireland to Portland flight tickets
JetBlue
11 Jul
DUB10:40Dublin
19h 52m
1 stop
PDX22:32Portland
24 Jul
PDX23:27Portland
24h 53m
1 stop
DUB08:20Dublin
€576
JetBlue
3 Jun
DUB10:40Dublin
34h 30m
1 stop
PDX13:10Portland
6 Jun
PDX14:30Portland
33h 50m
1 stop
DUB08:20Dublin
€583
JetBlue
16 Jun
DUB10:40Dublin
34h 25m
1 stop
PDX13:05Portland
29 Jun
PDX23:29Portland
24h 51m
1 stop
DUB08:20Dublin
€594

United Airlines flights from Ireland to Portland

Our best United Airlines deals on Ireland to Portland flight tickets
United Airlines
9 Jul
SNN12:30Shannon
18h 18m
2 stops
PDX22:48Portland
22 Jul
PDX05:00Portland
18h 30m
2 stops
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 21 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

€576

DublinPortland

DUB - PDX

DUBPDX

Dublin

Wed 3/6

10:40-13:10

1 stop34h 30m

Portland

Sat 6/6

14:30-08:20

1 stop33h 50m

€583

DublinPortland

DUB - PDX

DUBPDX

Dublin

Tue 16/6

10:40-13:05

1 stop34h 25m

Portland

Mon 29/6

23:29-08:20

1 stop24h 51m

€594

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

Mon 12/10

15:30-00:35

2 stops25h 05m

€684

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

€774

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

€775

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 3/6

13:05-23:44

2 stops18h 39m

Portland

Sun 7/6

07:01-11:10

1 stop20h 09m

€825

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 3/6

13:05-23:44

2 stops18h 39m

Portland

Sun 7/6

17:24-11:10

2 stops33h 46m

€873
Fastest return journey

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Mon 3/8

09:30-22:48

2 stops21h 18m

Portland

Mon 31/8

10:56-10:15

1 stop15h 19m

€976

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

13h 15m

Direct flights

None
The fastest flight from Ireland to Portland takes 13h 15m
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 €706Free CancellationRating
7.8
1,518 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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