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 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.

$381 Cheap Flights from Portland to Northern Ireland in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

7:30 pm - 6:45 pm

PDX

BHD

15h 15m

1 stop

7:40 pm - 5:40 pm

BHD

PDX

30h 00m

1 stop

$909British Airways

Sun, Aug 23 - Wed, Aug 26

7:30 pm - 6:45 pm

PDX

BHD

15h 15m

1 stop

6:20 pm - 5:40 pm

BHD

PDX

31h 20m

1 stop

$910British Airways

Sun, Aug 23 - Wed, Aug 26

7:30 pm - 5:40 pm

PDX

BHD

14h 10m

1 stop

6:30 am - 5:51 pm

BHD

PDX

19h 21m

2 stops

$1,119British Airways

Sun, Aug 23 - Wed, Aug 26

7:30 pm - 5:40 pm

PDX

BHD

14h 10m

1 stop

6:30 am - 5:51 pm

BHD

PDX

19h 21m

2 stops

$1,120British Airways

Sun, Aug 23 - Wed, Aug 26

5:35 pm - 5:40 pm

PDX

BHD

16h 05m

2 stops

6:30 am - 5:51 pm

BHD

PDX

19h 21m

2 stops

$1,124British Airways

Sun, Aug 23 - Wed, Aug 26

5:35 pm - 6:45 pm

PDX

BHD

17h 10m

2 stops

6:30 am - 5:51 pm

BHD

PDX

19h 21m

2 stops

$1,125British Airways

Sun, Aug 23 - Wed, Aug 26

7:30 pm - 6:45 pm

PDX

BHD

15h 15m

1 stop

11:35 am - 11:24 pm

BHD

PDX

19h 49m

2 stops

$1,126British Airways

Sun, Aug 23 - Wed, Aug 26

5:35 pm - 6:45 pm

PDX

BHD

17h 10m

2 stops

11:35 am - 11:24 pm

BHD

PDX

19h 49m

2 stops

$1,130British Airways

Sun, Aug 23 - Wed, Aug 26

1:45 pm - 1:35 pm

PDX

BHD

15h 50m

2 stops

9:35 am - 8:50 pm

BHD

PDX

19h 15m

2 stops

$1,202Multiple Airlines

Wed, Jul 1 - Thu, Jul 9

3:30 pm - 9:10 pm

PDX

BFS

21h 40m

3 stops

10:45 pm - 1:50 pm

BFS

PDX

47h 05m

3 stops

$1,343Multiple Airlines

Wed, Jul 1 - Thu, Jul 9

British Airways flights from Portland to Northern Ireland

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

British Airways

Aug 23

PDX7:30 pmPortland

15h 15m

1 stop

BHD6:45 pmBelfast City

Aug 26

BHD7:40 pmBelfast City

30h 00m

1 stop

PDX5:40 pmPortland

$909

British Airways

Aug 23

PDX7:30 pmPortland

15h 15m

1 stop

BHD6:45 pmBelfast City

Aug 26

BHD6:20 pmBelfast City

31h 20m

1 stop

PDX5:40 pmPortland

$910

British Airways

Aug 23

PDX7:30 pmPortland

14h 10m

1 stop

BHD5:40 pmBelfast City

Aug 26

BHD6:30 amBelfast City

19h 21m

2 stops

PDX5:51 pmPortland

$1,119

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 8/23

7:30 pm-6:45 pm

1 stop15h 15m

Belfast City

Wed 8/26

7:40 pm-5:40 pm

1 stop30h 00m

$909

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 8/23

7:30 pm-6:45 pm

1 stop15h 15m

Belfast City

Wed 8/26

6:20 pm-5:40 pm

1 stop31h 20m

$910

Quickest round-trip

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 8/23

7:30 pm-5:40 pm

1 stop14h 10m

Belfast City

Wed 8/26

6:30 am-5:51 pm

2 stops19h 21m

$1,119

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 8/23

7:30 pm-5:40 pm

1 stop14h 10m

Belfast City

Wed 8/26

6:30 am-5:51 pm

2 stops19h 21m

$1,120

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 8/23

5:35 pm-5:40 pm

2 stops16h 05m

Belfast City

Wed 8/26

6:30 am-5:51 pm

2 stops19h 21m

$1,124

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 8/23

5:35 pm-6:45 pm

2 stops17h 10m

Belfast City

Wed 8/26

6:30 am-5:51 pm

2 stops19h 21m

$1,125

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 8/23

7:30 pm-6:45 pm

1 stop15h 15m

Belfast City

Wed 8/26

11:35 am-11:24 pm

2 stops19h 49m

$1,126

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 8/23

5:35 pm-6:45 pm

2 stops17h 10m

Belfast City

Wed 8/26

11:35 am-11:24 pm

2 stops19h 49m

$1,130

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 7/1

1:45 pm-1:35 pm

2 stops15h 50m

Belfast City

Thu 7/9

9:35 am-8:50 pm

2 stops19h 15m

$1,202

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Wed 7/1

3:30 pm-9:10 pm

3 stops21h 40m

Belfast Intl

Thu 7/9

10:45 pm-1:50 pm

3 stops47h 05m

$1,343

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 16% 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	15h 15m
Direct flights	None

The fastest flight from Portland to Northern Ireland takes 15h 15m

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

Search flight deals

Frequently asked questions about flying 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 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.

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.