What is the cheapest airline that flies from Portland to Northern Ireland?

British Airways is the most popular carrier operating from Portland to Northern Ireland

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 February 2026, 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.

$457 Cheap Flights from Portland to Northern Ireland in 2026

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Find the cheapest flights from Portland to Northern Ireland

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:45 pm - 7:30 am

PDX

BHD

29h 45m

1 stop

6:30 am - 3:55 pm

BHD

PDX

17h 25m

1 stop

$640British Airways

Wed, Mar 4 - Sun, Mar 8

5:45 pm - 7:30 am

PDX

BHD

29h 45m

1 stop

5:35 pm - 4:55 pm

BHD

PDX

30h 20m

1 stop

$642British Airways

Wed, Mar 4 - Sun, Mar 8

5:45 pm - 4:35 pm

PDX

BHD

14h 50m

1 stop

6:30 am - 3:55 pm

BHD

PDX

17h 25m

1 stop

$684British Airways

Wed, Mar 4 - Sun, Mar 8

5:45 pm - 4:35 pm

PDX

BHD

14h 50m

1 stop

8:25 pm - 4:55 pm

BHD

PDX

27h 30m

1 stop

$685British Airways

Wed, Mar 4 - Sun, Mar 8

11:48 am - 2:15 pm

PDX

BHD

18h 27m

2 stops

8:45 am - 8:44 pm

BHD

PDX

19h 59m

2 stops

$693American Airlines

Wed, Feb 25 - Tue, Mar 3

1:25 pm - 4:50 pm

PDX

BHD

19h 25m

1 stop

5:20 pm - 11:25 am

BHD

PDX

26h 05m

1 stop

$700Multiple Airlines

Wed, Feb 25 - Tue, Mar 3

10:05 am - 4:50 pm

PDX

BHD

22h 45m

2 stops

5:20 pm - 11:25 am

BHD

PDX

26h 05m

1 stop

$705Multiple Airlines

Wed, Feb 25 - Tue, Mar 3

7:00 am - 5:40 pm

PDX

BHD

26h 40m

2 stops

7:05 am - 9:38 pm

BHD

PDX

22h 33m

2 stops

$720British Airways

Sun, May 3 - Sat, May 16

7:00 am - 5:40 pm

PDX

BHD

26h 40m

2 stops

4:15 pm - 5:40 pm

BHD

PDX

33h 25m

1 stop

$723British Airways

Sun, May 3 - Sat, May 16

7:30 pm - 6:10 pm

PDX

BHD

14h 40m

1 stop

9:30 am - 5:40 pm

BHD

PDX

16h 10m

1 stop

$767British Airways

Fri, Apr 10 - Fri, Apr 24

British Airways flights from Portland to Northern Ireland

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

British Airways

Mar 4

PDX5:45 pmPortland

29h 45m

1 stop

BHD7:30 amBelfast City

Mar 8

BHD6:30 amBelfast City

17h 25m

1 stop

PDX3:55 pmPortland

$640

British Airways

Mar 4

PDX5:45 pmPortland

29h 45m

1 stop

BHD7:30 amBelfast City

Mar 8

BHD5:35 pmBelfast City

30h 20m

1 stop

PDX4:55 pmPortland

$642

British Airways

Mar 4

PDX5:45 pmPortland

14h 50m

1 stop

BHD4:35 pmBelfast City

Mar 8

BHD6:30 amBelfast City

17h 25m

1 stop

PDX3:55 pmPortland

$684

Virgin Atlantic flights from Portland to Northern Ireland

Our best Virgin Atlantic deals on Portland to Northern Ireland flight tickets

Virgin Atlantic

Jun 11

PDX1:05 pmPortland

19h 50m

1 stop

BHD4:55 pmBelfast City

Jun 26

BHD5:30 pmBelfast City

25h 40m

1 stop

PDX11:10 amPortland

$1,167

Virgin Atlantic

Mar 20

PDX2:25 pmPortland

19h 25m

1 stop

BHD4:50 pmBelfast City

Mar 29

BHD6:30 amBelfast City

21h 55m

2 stops

PDX8:25 pmPortland

$1,655

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 3/4

5:45 pm-7:30 am

1 stop29h 45m

Belfast City

Sun 3/8

6:30 am-3:55 pm

1 stop17h 25m

$640

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/4

5:45 pm-7:30 am

1 stop29h 45m

Belfast City

Sun 3/8

5:35 pm-4:55 pm

1 stop30h 20m

$642

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/4

5:45 pm-4:35 pm

1 stop14h 50m

Belfast City

Sun 3/8

6:30 am-3:55 pm

1 stop17h 25m

$684

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/4

5:45 pm-4:35 pm

1 stop14h 50m

Belfast City

Sun 3/8

8:25 pm-4:55 pm

1 stop27h 30m

$685

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 2/25

11:48 am-2:15 pm

2 stops18h 27m

Belfast City

Tue 3/3

8:45 am-8:44 pm

2 stops19h 59m

$693

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 2/25

1:25 pm-4:50 pm

1 stop19h 25m

Belfast City

Tue 3/3

5:20 pm-11:25 am

1 stop26h 05m

$700

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 2/25

10:05 am-4:50 pm

2 stops22h 45m

Belfast City

Tue 3/3

5:20 pm-11:25 am

1 stop26h 05m

$705

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 5/3

7:00 am-5:40 pm

2 stops26h 40m

Belfast City

Sat 5/16

7:05 am-9:38 pm

2 stops22h 33m

$720

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 5/3

7:00 am-5:40 pm

2 stops26h 40m

Belfast City

Sat 5/16

4:15 pm-5:40 pm

1 stop33h 25m

$723

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Fri 4/10

7:30 pm-6:10 pm

1 stop14h 40m

Belfast City

Fri 4/24

9:30 am-5:40 pm

1 stop16h 10m

$767

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted 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

Prices

Airlines

Can stopping save me money on Portland to Northern Ireland flights?

You could potentially save up to 50% on your flight if you consider stops on a Portland to Northern Ireland flight.

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	14h 40m
Direct flights	None

The fastest flight from Portland to Northern Ireland takes 14h 40m

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 February 2026, 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 $647	Free Cancellation	Rating 6.7 7,716 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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Find better results for your trip to Northern Ireland

Popular cities

Other flights from Portland

Airlines

Complete your trip

Feeling lucky

Popular cities in Northern Ireland

Flights to Londonfrom $341

Flights to Manchesterfrom $376

Flights to Edinburghfrom $354

Flights to Birminghamfrom $397

Flights to Glasgowfrom $359

Flights to Newcastle upon Tynefrom $517

Flights to Belfastfrom $451

Flights to Bristolfrom $390

Flights to Invernessfrom $423

Flights to Liverpoolfrom $438

Flights to Aberdeenfrom $533

Flights to Leedsfrom $446

Cheap flights from Portland to Northern Ireland from $457

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 6/15. 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

Cheap one-way flights

British Airways flights from Portland to Northern Ireland

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

Virgin Atlantic flights from Portland to Northern Ireland

Our best Virgin Atlantic 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

Can stopping save me money on Portland to Northern Ireland flights?

You could potentially save up to 50% on your flight if you consider stops on a Portland to Northern Ireland flight.

What is the cheapest airline that flies from Portland to Northern Ireland?

British Airways is the most popular carrier operating from Portland 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

Portland flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Northern Ireland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Northern Ireland

Explore popular destinations other users love

According to popular flight searches on momondo this year