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

Prices for flights from Portland Airport to Northern Ireland refresh daily.

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

As of December 2025, there is 1 operator available to choose from for flights from Portland Airport to Northern Ireland.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Northern Ireland.

What documentation or ID do you need to fly to Northern Ireland?

The required travel and health documents for your Northern Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$604 Cheap Flights from Portland to Northern Ireland in 2025/26

1 adult

0 bags

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Find the cheapest flights from Portland to Northern Ireland

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:45 pm - 2:15 pm

PDX

BHD

12h 30m1 stop

6:35 am - 3:55 pm

BHD

PDX

17h 20m1 stop

$604British Airways

Wed, Jan 14 - Wed, Jan 21

5:45 pm - 2:15 pm

PDX

BHD

12h 30m1 stop

6:30 am - 3:55 pm

BHD

PDX

17h 25m1 stop

$624British Airways

Wed, Feb 11 - Sun, Feb 15

5:45 pm - 4:35 pm

PDX

BHD

14h 50m1 stop

3:10 pm - 3:55 pm

BHD

PDX

32h 45m1 stop

$625British Airways

Wed, Feb 11 - Sun, Feb 15

5:45 pm - 2:15 pm

PDX

BHD

12h 30m1 stop

6:35 am - 8:27 pm

BHD

PDX

21h 52m2 stops

$626British Airways

Wed, Jan 14 - Wed, Jan 21

2:05 pm - 6:40 pm

PDX

BHD

21h 35m2 stops

6:35 am - 11:30 pm

BHD

PDX

24h 55m2 stops

$650British Airways

Tue, Mar 17 - Tue, Mar 31

11:10 am - 4:50 pm

PDX

BHD

21h 40m2 stops

5:20 pm - 5:35 pm

BHD

PDX

32h 15m2 stops

$661Multiple Airlines

Wed, Jan 14 - Wed, Jan 21

9:57 am - 4:50 pm

PDX

BHD

23h 53m2 stops

9:50 am - 11:10 am

BHD

PDX

33h 20m1 stop

$675Multiple Airlines

Tue, Mar 17 - Tue, Mar 31

6:00 am - 2:15 pm

PDX

BHD

24h 15m2 stops

6:30 am - 3:55 pm

BHD

PDX

17h 25m1 stop

$829British Airways

Wed, Feb 11 - Sun, Feb 15

6:00 am - 10:15 am

PDX

BHD

20h 15m2 stops

6:30 am - 10:41 pm

BHD

PDX

24h 11m2 stops

$839British Airways

Wed, Feb 11 - Sun, Feb 15

4:51 pm - 6:50 pm

PDX

BHD

41h 59m3 stops

11:25 am - 8:48 pm

BHD

PDX

41h 23m3 stops

$12,485Multiple Airlines

Wed, Jan 14 - Wed, Jan 21

British Airways flights from Portland to Northern Ireland

Our best British Airways deals on Portland to Northern Ireland flight tickets

British Airways

Jan 14

PDX5:45 pmPortland

12h 30m

1 stop

BHD2:15 pmBelfast City

Jan 21

BHD6:35 amBelfast City

17h 20m

1 stop

PDX3:55 pmPortland

$604

Find similar

British Airways

Feb 11

PDX5:45 pmPortland

14h 50m

1 stop

BHD4:35 pmBelfast City

Feb 15

BHD9:10 amBelfast City

14h 45m

1 stop

PDX3:55 pmPortland

$624

Find similar

British Airways

Feb 11

PDX5:45 pmPortland

14h 50m

1 stop

BHD4:35 pmBelfast City

Feb 15

BHD3:10 pmBelfast City

32h 45m

1 stop

PDX3:55 pmPortland

$625

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Portland to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 1/14

5:45 pm-2:15 pm

1 stop12h 30m

Belfast City

Wed 1/21

6:35 am-3:55 pm

1 stop17h 20m

$604

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 2/11

5:45 pm-2:15 pm

1 stop12h 30m

Belfast City

Sun 2/15

6:30 am-3:55 pm

1 stop17h 25m

$624

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 2/11

5:45 pm-4:35 pm

1 stop14h 50m

Belfast City

Sun 2/15

3:10 pm-3:55 pm

1 stop32h 45m

$625

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 1/14

5:45 pm-2:15 pm

1 stop12h 30m

Belfast City

Wed 1/21

6:35 am-8:27 pm

2 stops21h 52m

$626

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Tue 3/17

2:05 pm-6:40 pm

2 stops21h 35m

Belfast City

Tue 3/31

6:35 am-11:30 pm

2 stops24h 55m

$650

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 1/14

11:10 am-4:50 pm

2 stops21h 40m

Belfast City

Wed 1/21

5:20 pm-5:35 pm

2 stops32h 15m

$661

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Tue 3/17

9:57 am-4:50 pm

2 stops23h 53m

Belfast City

Tue 3/31

9:50 am-11:10 am

1 stop33h 20m

$675

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 2/11

6:00 am-2:15 pm

2 stops24h 15m

Belfast City

Sun 2/15

6:30 am-3:55 pm

1 stop17h 25m

$829

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 2/11

6:00 am-10:15 am

2 stops20h 15m

Belfast City

Sun 2/15

6:30 am-10:41 pm

2 stops24h 11m

$839

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 1/14

4:51 pm-6:50 pm

3 stops41h 59m

Belfast City

Wed 1/21

11:25 am-8:48 pm

3 stops41h 23m

$12,485

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Portland to Northern Ireland

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 day to depart on your flight to Northern Ireland?

The cheapest day to depart on your flight to Northern Ireland is on a Sunday when prices can be found for as low as $666. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Northern Ireland for around $1,045.

What is the cheapest time of day to depart on your flight to Northern Ireland?

In the afternoon is the cheapest time of day to fly from Portland to Northern Ireland when you can find flight prices for as low as $667. Flying to Northern Ireland in the afternoon is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $910.

Cheap Portland to Northern Ireland flight deals and tips

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

Fastest flight time	12h 30m
Direct flights	None

The fastest flight from Portland to Northern Ireland takes 12h 30m

There are no direct flights from Portland to Northern Ireland. There are no popular flight routes from Portland to Northern Ireland.

Search flight deals

When did momondo last update prices for flights from Portland Airport to Northern Ireland?
Prices for flights from Portland Airport to Northern Ireland refresh daily.
How many operators does momondo search for flights from Portland Airport to Northern Ireland?
As of December 2025, there is 1 operator available to choose from for flights from Portland Airport to Northern Ireland.
How old do you have to be to fly from Portland Airport to Northern Ireland?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Northern Ireland.
What documentation or ID do you need to fly to Northern Ireland?
The required travel and health documents for your Northern Ireland trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Northern Ireland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Portland to Northern Ireland

Compare and see reviews for airlines that fly from Portland to Northern Ireland with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $659	Free Cancellation	Rating 6.7 7,585 reviews		Search British Airways flights

Why use momondo?

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

Finding the right flight to Northern Ireland from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Northern Ireland quick and easy, saving you time and money.

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

All flight searches from Portland to Northern Ireland on momondo can be filtered to show those which offer flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Portland to Northern Ireland.

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

If you are not ready to book a flight from Portland to Northern Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Northern Ireland and let you know when they change.

An easier way to manage your Northern Ireland trip

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

Start using Trips

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Sat 1/17

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Find better results for your trip to Northern Ireland

Popular cities in Northern Ireland

Flights to Londonfrom $355

Flights to Manchesterfrom $363

Flights to Edinburghfrom $383

Flights to Birminghamfrom $387

Flights to Glasgowfrom $390

Flights to Newcastle upon Tynefrom $419

Flights to Belfastfrom $526

Flights to Bristolfrom $428

Flights to Invernessfrom $401

Flights to Liverpoolfrom $438

Flights to Aberdeenfrom $511

Flights to Leedsfrom $433

Cheap flights from Portland to Northern Ireland from $604

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Northern Ireland departing on 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Portland to Northern Ireland

Cheap round-trip flights

British Airways flights from Portland to Northern Ireland

Our best British Airways deals on Portland to Northern Ireland flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Portland to Northern Ireland that are best for you.

See travel insights to Northern Ireland from

How to get the cheapest flight ticket from Portland to Northern Ireland

What is the cheapest day to depart on your flight to Northern Ireland?

What is the cheapest time of day to depart on your flight to Northern Ireland?

Cheap Portland to Northern Ireland flight deals and tips

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

Fastest flight time

Direct flights

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

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

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

What documentation or ID do you need to fly to Northern Ireland?

Best airlines flying from Portland to Northern Ireland

Compare and see reviews for airlines that fly from Portland to Northern Ireland with momondo

Why use momondo?

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

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

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

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

An easier way to manage your Northern Ireland trip

We make it super easy to schedule, organize 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 Northern Ireland

Popular cities in Northern Ireland

Popular flights according to clicks in the last 7 days on momondo