Which airlines fly to Portland?

KLM is the airline most momondo users in Ireland opt for when booking flights to Portland. 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

36 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 €710, departing from Dublin. KLM is the most popular choice on momondo for this route and has been scored 7.8/10 by 1,527 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 15m on average, while flying from Cork to Portland is 24h 02m on average. Portland is the most popular airport in Portland.

€327 Cheap Flights to Portland in 2026

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Find the cheapest flights from Ireland to Portland

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:40 - 22:34

DUB

PDX

19h 54m

1 stop

15:30 - 11:05

PDX

DUB

11h 35m

1 stop

€594Multiple Airlines

Fri, 3 Jul - Tue, 14 Jul

10:40 - 22:31

DUB

PDX

19h 51m

1 stop

14:16 - 08:20

PDX

DUB

34h 04m

1 stop

€605JetBlue

Mon, 6 Jul - Wed, 22 Jul

10:40 - 22:48

DUB

PDX

20h 08m

1 stop

23:27 - 08:20

PDX

DUB

24h 53m

1 stop

€623JetBlue

Sun, 26 Jul - Fri, 7 Aug

11:30 - 17:00

DUB

PDX

13h 30m

1 stop

14:45 - 10:15

PDX

DUB

11h 30m

1 stop

€685Icelandair

Sun, 1 Nov - Sat, 14 Nov

12:30 - 21:46

SNN

PDX

17h 16m

1 stop

10:46 - 07:30

PDX

SNN

12h 44m

1 stop

€843United Airlines

Wed, 8 Jul - Thu, 23 Jul

07:10 - 20:50

ORK

PDX

21h 40m

2 stops

19:30 - 19:50

PDX

ORK

16h 20m

1 stop

€875British Airways

Wed, 7 Oct - Sun, 11 Oct

11:25 - 17:00

ORK

PDX

37h 35m

2 stops

19:30 - 19:50

PDX

ORK

16h 20m

1 stop

€879British Airways

Wed, 7 Oct - Sun, 11 Oct

09:30 - 15:57

SNN

PDX

14h 27m

1 stop

10:46 - 07:30

PDX

SNN

12h 44m

1 stop

€972United Airlines

Wed, 8 Jul - Thu, 23 Jul

13:05 - 21:13

SNN

PDX

16h 08m

1 stop

22:40 - 11:10

PDX

SNN

28h 30m

1 stop

€980KLM

Wed, 8 Jul - Thu, 23 Jul

13:05 - 23:44

SNN

PDX

18h 39m

2 stops

22:40 - 11:10

PDX

SNN

28h 30m

1 stop

€985KLM

Wed, 8 Jul - Thu, 23 Jul

Fly from

Route

Depart

Return

Price

Cheapest return flight

DublinPortland

DUB - PDX

DUBPDX

Dublin

Fri 3/7

10:40-22:34

1 stop19h 54m

Portland

Tue 14/7

15:30-11:05

1 stop11h 35m

€594

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 6/7

10:40-22:31

1 stop19h 51m

Portland

Wed 22/7

14:16-08:20

1 stop34h 04m

€605

DublinPortland

DUB - PDX

DUBPDX

Dublin

Sun 26/7

10:40-22:48

1 stop20h 08m

Portland

Fri 7/8

23:27-08:20

1 stop24h 53m

€623

Fastest return journey

DublinPortland

DUB - PDX

DUBPDX

Dublin

Sun 1/11

11:30-17:00

1 stop13h 30m

Portland

Sat 14/11

14:45-10:15

1 stop11h 30m

€685

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 8/7

12:30-21:46

1 stop17h 16m

Portland

Thu 23/7

10:46-07:30

1 stop12h 44m

€843

CorkPortland

ORK - PDX

ORKPDX

Cork

Wed 7/10

07:10-20:50

2 stops21h 40m

Portland

Sun 11/10

19:30-19:50

1 stop16h 20m

€875

CorkPortland

ORK - PDX

ORKPDX

Cork

Wed 7/10

11:25-17:00

2 stops37h 35m

Portland

Sun 11/10

19:30-19:50

1 stop16h 20m

€879

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 8/7

09:30-15:57

1 stop14h 27m

Portland

Thu 23/7

10:46-07:30

1 stop12h 44m

€972

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 8/7

13:05-21:13

1 stop16h 08m

Portland

Thu 23/7

22:40-11:10

1 stop28h 30m

€980

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 8/7

13:05-23:44

2 stops18h 39m

Portland

Thu 23/7

22:40-11:10

1 stop28h 30m

€985

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 €713.

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	17% cheaper	Flying from Dublin to Portland costs on average just €656 in February
MOST EXPENSIVE MONTH TO FLY TO PORTLAND FROM DUBLIN	July	15% more expensive	It costs about €912 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	€305
Best Round-Trip Price	€594
Fastest flight time	18h 30m
Popular in	July

The best one-way flight price to Portland from Ireland in the last 5 days is €305 (Dublin to Portland).

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The best round-trip flight price to Portland from Ireland in the last 5 days is €594 (Dublin to Portland).

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The fastest flight to Portland from Ireland takes 18h 30m (Cork to Portland).

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July has the highest demand for flights to Portland, with a 7% 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 June 2026, there is 1 operator 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 €750

Shannon to Portland Flightsfrom €974

Cork to Portland Flightsfrom €1,010

Milltown (Kerry) to Portland Flightsfrom €1,486

€305 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 3/7. 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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Big names, great deals

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Filter for what you want

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Portland flights insights and trends

What is the cheapest month to fly to Portland?

How long does it take to fly to Portland?

Cheapest flights to Portland

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

Cheap Portland flight deals and tips

Summary info about Portland flight prices, duration and airlines

Best One-Way Price

Best Round-Trip Price

Fastest flight time

Popular in

Frequently asked questions about flying to Portland

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portland

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