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

14 KLM flights head to Portland on average each week. Most will be flying from Atlanta Hartsfield-Jackson 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 €695, departing from Dublin. KLM is the most popular choice on momondo for this route and has been scored 7.8/10 by 1,470 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 16h 53m on average, while flying from Cork to Portland is 23h 46m on average. Portland is the most popular airport in Portland.

€311 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.

06:35 - 09:10

DUB

PDX

34h 35m

3 stops

15:30 - 00:35

PDX

DUB

25h 05m

2 stops

€549Multiple Airlines

Mon, 13 Apr - Mon, 27 Apr

06:35 - 09:10

DUB

PDX

34h 35m

3 stops

15:30 - 23:20

PDX

DUB

23h 50m

3 stops

€562Multiple Airlines

Mon, 13 Apr - Mon, 27 Apr

10:40 - 13:07

DUB

PDX

34h 27m

1 stop

23:18 - 08:20

PDX

DUB

25h 02m

1 stop

€635JetBlue

Fri, 29 May - Fri, 12 Jun

10:40 - 13:07

DUB

PDX

34h 27m

1 stop

23:18 - 08:20

PDX

DUB

25h 02m

1 stop

€642JetBlue

Fri, 29 May - Fri, 12 Jun

12:30 - 23:55

SNN

PDX

19h 25m

2 stops

05:00 - 10:15

PDX

SNN

21h 15m

2 stops

€811United Airlines

Thu, 7 May - Mon, 11 May

12:30 - 21:06

SNN

PDX

16h 36m

1 stop

23:59 - 10:15

PDX

SNN

26h 16m

2 stops

€813United Airlines

Thu, 7 May - Mon, 11 May

07:30 - 00:15

SNN

PDX

24h 45m

2 stops

06:22 - 11:20

PDX

SNN

20h 58m

2 stops

€836British Airways

Wed, 1 Apr - Fri, 8 May

07:30 - 23:09

SNN

PDX

23h 39m

2 stops

06:22 - 11:20

PDX

SNN

20h 58m

2 stops

€842British Airways

Wed, 1 Apr - Fri, 8 May

21:15 - 17:40

SNN

PDX

28h 25m

1 stop

00:59 - 05:25

PDX

SNN

20h 26m

2 stops

€939American Airlines

Wed, 1 Apr - Thu, 7 May

07:30 - 17:40

SNN

PDX

18h 10m

1 stop

19:30 - 16:10

PDX

SNN

12h 40m

1 stop

€986American Airlines

Thu, 7 May - Mon, 11 May

Fly from

Route

Depart

Return

Price

Cheapest return flight

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 13/4

06:35-09:10

3 stops34h 35m

Portland

Mon 27/4

15:30-00:35

2 stops25h 05m

€549

DublinPortland

DUB - PDX

DUBPDX

Dublin

Mon 13/4

06:35-09:10

3 stops34h 35m

Portland

Mon 27/4

15:30-23:20

3 stops23h 50m

€562

DublinPortland

DUB - PDX

DUBPDX

Dublin

Fri 29/5

10:40-13:07

1 stop34h 27m

Portland

Fri 12/6

23:18-08:20

1 stop25h 02m

€635

DublinPortland

DUB - PDX

DUBPDX

Dublin

Fri 29/5

10:40-13:07

1 stop34h 27m

Portland

Fri 12/6

23:18-08:20

1 stop25h 02m

€642

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 7/5

12:30-23:55

2 stops19h 25m

Portland

Mon 11/5

05:00-10:15

2 stops21h 15m

€811

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 7/5

12:30-21:06

1 stop16h 36m

Portland

Mon 11/5

23:59-10:15

2 stops26h 16m

€813

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 1/4

07:30-00:15

2 stops24h 45m

Portland

Fri 8/5

06:22-11:20

2 stops20h 58m

€836

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 1/4

07:30-23:09

2 stops23h 39m

Portland

Fri 8/5

06:22-11:20

2 stops20h 58m

€842

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Wed 1/4

21:15-17:40

1 stop28h 25m

Portland

Thu 7/5

00:59-05:25

2 stops20h 26m

€939

Fastest return journey

ShannonPortland

SNN - PDX

SNNPDX

Shannon

Thu 7/5

07:30-17:40

1 stop18h 10m

Portland

Mon 11/5

19:30-16:10

1 stop12h 40m

€986

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 March is also cheap. Prices for this month can be found on momondo for an average of €698.

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	16% cheaper	Flying from Dublin to Portland costs on average just €653 in February
MOST EXPENSIVE MONTH TO FLY TO PORTLAND FROM DUBLIN	June	25% more expensive	It costs about €974 for flights to Portland from Dublin in June
MOST POPULAR MONTH TO FLY TO PORTLAND FROM DUBLIN	December	566% 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	€311
Best Round-Trip Price	€549
Fastest flight time	36h 09m
Popular in	June

The best one-way flight price to Portland from Ireland in the last 72 hours is €311 (Dublin to Portland).

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The best round-trip flight price to Portland from Ireland in the last 72 hours is €549 (Dublin to Portland).

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The fastest flight to Portland from Ireland takes 36h 09m (Shannon to Portland).

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June has the highest demand for flights to Portland, with a 10% 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 March 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 €576

Shannon to Portland Flightsfrom €943

Milltown (Kerry) to Portland Flightsfrom €2,099

Cork to Portland Flightsfrom €1,018

€311 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 28/5. 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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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

Popular Flights to Portland

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