Which airlines fly to Portland?

KLM is the airline most momondo users in Ireland opt for when booking flights to Portland. Finnair is also popular choice when flying to Portland from Ireland. Most major airlines flying from Ireland to Portland will offer flights on a regular basis, though your options may vary depending on what airport you fly from.

KLM Flights to Portland

24 KLM flights head to Portland on average each week. Most will be flying from Seattle/Tacoma Intl to Portland, the most popular route that KLM operates to Portland. Prices vary based on when and where you fly from - the cheapest KLM flight to Portland found in the past 3 days on momondo was €725, departing from Dublin. KLM is the most popular choice on momondo for this route and has been scored 7.8/10 by 1,551 of our users.

How long does it take to fly to Portland?

The average flight duration from Ireland to Portland depends on which airport you fly into and out of. Flying from Dublin to Portland is 13h 40m on average, while flying from Cork to Portland is 12h 55m on average. Portland is the most popular airport in Portland.

€377 Cheap Flights to Portland in 2026

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Find the cheapest flights from Ireland to Portland

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One-way

Last minute

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12:15 - 17:55

DUB

PDX

13h 40m

1 stop

15:30 - 13:15

PDX

DUB

13h 45m

1 stop

€659Icelandair

Wed, 23 Sep - Mon, 28 Sep

19:05 - 22:44

DUB

PDX

35h 39m

2 stops

13:49 - 11:50

PDX

DUB

38h 01m

2 stops

€671Scandinavian Airlines

Thu, 27 Aug - Wed, 9 Sep

19:50 - 17:14

DUB

PDX

29h 24m

3 stops

07:10 - 10:10

PDX

DUB

19h 00m

2 stops

€676Scandinavian Airlines

Thu, 3 Sep - Tue, 15 Sep

10:40 - 22:29

DUB

PDX

19h 49m

1 stop

23:30 - 08:20

PDX

DUB

24h 50m

1 stop

€683JetBlue

Fri, 28 Aug - Fri, 4 Sep

12:15 - 09:31

DUB

PDX

29h 16m

2 stops

15:30 - 23:35

PDX

DUB

24h 05m

2 stops

€685Multiple Airlines

Tue, 18 Aug - Tue, 25 Aug

09:40 - 00:07

DUB

PDX

22h 27m

2 stops

08:00 - 09:45

PDX

DUB

17h 45m

1 stop

€728Finnair

Thu, 10 Sep - Thu, 17 Sep

09:30 - 23:59

DUB

PDX

22h 29m

1 stop

08:00 - 09:45

PDX

DUB

17h 45m

1 stop

€748Finnair

Thu, 3 Sep - Wed, 16 Sep

09:30 - 23:59

DUB

PDX

22h 29m

1 stop

08:00 - 09:45

PDX

DUB

17h 45m

1 stop

€749Finnair

Thu, 3 Sep - Wed, 16 Sep

09:40 - 23:59

DUB

PDX

22h 19m

2 stops

08:00 - 09:45

PDX

DUB

17h 45m

1 stop

€771Finnair

Thu, 3 Sep - Wed, 16 Sep

08:55 - 17:34

DUB

PDX

16h 39m

2 stops

11:22 - 10:25

PDX

DUB

15h 03m

2 stops

€1,082KLM

Tue, 18 Aug - Wed, 26 Aug

Fly from

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

DublinPortland

DUB - PDX

DUBPDX

Dublin

Wed 23/9

12:15-17:55

1 stop13h 40m

Portland

Mon 28/9

15:30-13:15

1 stop13h 45m

€659

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 27/8

19:05-22:44

2 stops35h 39m

Portland

Wed 9/9

13:49-11:50

2 stops38h 01m

€671

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 3/9

19:50-17:14

3 stops29h 24m

Portland

Tue 15/9

07:10-10:10

2 stops19h 00m

€676

DublinPortland

DUB - PDX

DUBPDX

Dublin

Fri 28/8

10:40-22:29

1 stop19h 49m

Portland

Fri 4/9

23:30-08:20

1 stop24h 50m

€683

DublinPortland

DUB - PDX

DUBPDX

Dublin

Tue 18/8

12:15-09:31

2 stops29h 16m

Portland

Tue 25/8

15:30-23:35

2 stops24h 05m

€685

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 10/9

09:40-00:07

2 stops22h 27m

Portland

Thu 17/9

08:00-09:45

1 stop17h 45m

€728

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 3/9

09:30-23:59

1 stop22h 29m

Portland

Wed 16/9

08:00-09:45

1 stop17h 45m

€748

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 3/9

09:30-23:59

1 stop22h 29m

Portland

Wed 16/9

08:00-09:45

1 stop17h 45m

€749

DublinPortland

DUB - PDX

DUBPDX

Dublin

Thu 3/9

09:40-23:59

2 stops22h 19m

Portland

Wed 16/9

08:00-09:45

1 stop17h 45m

€771

DublinPortland

DUB - PDX

DUBPDX

Dublin

Tue 18/8

08:55-17:34

2 stops16h 39m

Portland

Wed 26/8

11:22-10:25

2 stops15h 03m

€1,082

Flights are sorted by cheapest return flights first.

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Portland flights insights and trends

Explore insights for your Portland flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to Portland?

If you aren’t able to travel to Portland during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of €751.

Cheapest flights to Portland

Find the cheapest flights to Portland from your nearest city or airport

Find flights from Dublin to Portland

CHEAPEST MONTH TO FLY TO PORTLAND FROM DUBLIN	February	20% cheaper	Flying from Dublin to Portland costs on average just €664 in February
MOST EXPENSIVE MONTH TO FLY TO PORTLAND FROM DUBLIN	July	12% more expensive	It costs about €933 for flights to Portland from Dublin in July
MOST POPULAR MONTH TO FLY TO PORTLAND FROM DUBLIN	December	400% more users visited	More momondo users searched in flights to Portland from Dublin in December than any other month

Cheap Portland flight deals and tips

Summary info about Portland flight prices, duration and airlines

Best One-Way Price	€377
Best Round-Trip Price	€659
Fastest flight time	18h 10m
Popular in	July

The best one-way flight price to Portland from Ireland in the last 5 days is €377 (Dublin to Portland).

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The best return flight price to Portland from Ireland in the last 5 days is €659 (Dublin to Portland).

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The fastest flight to Portland from Ireland takes 18h 10m (Shannon to Portland).

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July has the highest demand for flights to Portland, with a 4% price increase on average.

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Frequently asked questions about flying to Portland

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

Prices for flights to Portland Airport are refreshed on a daily basis.

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

As of July 2026, there are 2 operators available to choose from for flights to Portland Airport.

How old do you have to be to fly to Portland Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Portland Airport.

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

The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Portland. momondo saves you time and could save you money on your trip.

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

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

How can momondo help me find flights to Portland?

momondo helps you find the best flight to Portland by providing filters to narrow your choice of flights to those matching your criteria. You can select fights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Portland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Popular Flights to Portland

Dublin to Portland Flightsfrom €771

Cork to Portland Flightsfrom €1,108

Milltown (Kerry) to Portland Flightsfrom €1,486

Shannon to Portland Flightsfrom €1,023

€377 Cheap flights to Portland

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Portland departing on 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Why use momondo?

An easier way to manage your Portland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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