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 September 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.

$341 Cheap Flights from Portland to Northern Ireland in 2025/26

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Find the cheapest flights from Portland to Northern Ireland

Round-trip

One-way

Cheap round-trip flights

1:30 pm - 9:15 pmPDX-BHD

23h 45m2 stops

6:30 am - 11:00 amBHD-PDX

12h 30m1 stop

$687Delta

Find Deal

Wed, Oct 8 - Sun, Oct 12

1:15 pm - 4:55 pmPDX-BHD

19h 40m1 stop

6:30 am - 11:00 amBHD-PDX

12h 30m1 stop

$960Delta

Find Deal

Wed, Oct 8 - Sun, Oct 12

7:00 am - 11:55 amPDX-BHD

20h 55m2 stops

8:05 pm - 11:08 pmBHD-PDX

35h 03m2 stops

$980British Airways

Find Deal

Wed, Oct 8 - Sun, Oct 12

9:50 am - 4:45 pmPDX-BFS

23h 55m3 stops

6:30 am - 5:00 pmBFS-PDX

18h 30m2 stops

$2,080Multiple Airlines

Find Deal

Fri, Oct 31 - Fri, Nov 7

Delta flights from Portland to Northern Ireland

Our best Delta deals on Portland to Northern Ireland flight tickets

Delta

Oct 8

PDX1:30 pmPortland

23h 45m

2 stops

BHD9:15 pmBelfast City

Oct 12

BHD6:30 amBelfast City

12h 30m

1 stop

PDX11:00 amPortland

$687

Find similar

Delta

Oct 8

PDX1:15 pmPortland

19h 40m

1 stop

BHD4:55 pmBelfast City

Oct 12

BHD6:30 amBelfast City

12h 30m

1 stop

PDX11:00 amPortland

$960

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 10/8

1:30 pm-9:15 pm

2 stops23h 45m

Belfast City

Sun 10/12

6:30 am-11:00 am

1 stop12h 30m

$687

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 10/8

1:15 pm-4:55 pm

1 stop19h 40m

Belfast City

Sun 10/12

6:30 am-11:00 am

1 stop12h 30m

$960

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 10/8

7:00 am-11:55 am

2 stops20h 55m

Belfast City

Sun 10/12

8:05 pm-11:08 pm

2 stops35h 03m

$980

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Fri 10/31

9:50 am-4:45 pm

3 stops23h 55m

Belfast Intl

Fri 11/7

6:30 am-5:00 pm

2 stops18h 30m

$2,080

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Tue 10/14

5:45 pm-7:50 am

2 stops54h 05m

$341

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Tue 10/14

5:45 pm-11:30 pm

3 stops45h 45m

$397

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

Direct flights	None

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 September 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 7,367 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.

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Find better results for your trip to Northern Ireland

Popular cities in Northern Ireland

Flights to Londonfrom $318

Flights to Manchesterfrom $391

Flights to Edinburghfrom $396

Flights to Glasgowfrom $374

Flights to Birminghamfrom $389

Flights to Newcastle upon Tynefrom $430

Flights to Belfastfrom $514

Flights to Bristolfrom $425

Flights to Invernessfrom $407

Flights to Liverpoolfrom $441

Flights to Aberdeenfrom $487

Flights to Leedsfrom $453

Cheap flights from Portland to Northern Ireland from $341

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Northern Ireland departing on 10/14. 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

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Delta flights from Portland to Northern Ireland

Our best Delta 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

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?

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

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