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

British Airways and Virgin Atlantic are the most popular carriers 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 June 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.

$299 Cheap Flights from Portland to Northern Ireland in 2026

Discover deals from 900+ travel sites with momondo.

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.

7:00 am - 4:50 pm

PDX

BHD

25h 50m

2 stops

9:40 am - 11:47 pm

BHD

PDX

22h 07m

2 stops

$330Virgin Atlantic

Sat, Nov 7 - Wed, Nov 11

1:28 pm - 10:20 am

PDX

BHD

36h 52m

2 stops

9:15 am - 3:50 pm

BHD

PDX

14h 35m

1 stop

$946British Airways

Sat, Nov 7 - Wed, Nov 11

1:28 pm - 10:20 am

PDX

BHD

36h 52m

2 stops

9:15 am - 3:50 pm

BHD

PDX

14h 35m

1 stop

$948British Airways

Sat, Nov 7 - Wed, Nov 11

1:28 pm - 1:55 pm

PDX

BHD

40h 27m

2 stops

5:40 pm - 11:30 pm

BHD

PDX

37h 50m

2 stops

$953British Airways

Sat, Nov 7 - Wed, Nov 11

12:50 pm - 10:30 am

PDX

BHD

37h 40m

2 stops

7:10 pm - 7:36 pm

BHD

PDX

32h 26m

2 stops

$1,011British Airways

Sat, Sep 5 - Sun, Sep 20

2:45 pm - 8:15 pm

PDX

BFS

21h 30m

3 stops

6:25 am - 5:00 pm

BFS

PDX

18h 35m

2 stops

$1,054Multiple Airlines

Sat, Nov 7 - Wed, Nov 11

2:45 pm - 8:15 pm

PDX

BFS

21h 30m

3 stops

6:25 am - 5:00 pm

BFS

PDX

18h 35m

2 stops

$1,056Multiple Airlines

Sat, Nov 7 - Wed, Nov 11

7:30 pm - 7:20 pm

PDX

BHD

15h 50m

1 stop

7:10 pm - 7:36 pm

BHD

PDX

32h 26m

2 stops

$1,056British Airways

Sat, Sep 5 - Sun, Sep 20

2:45 pm - 9:30 pm

PDX

BFS

22h 45m

3 stops

6:25 am - 9:26 am

BFS

PDX

35h 01m

3 stops

$1,074Multiple Airlines

Sat, Nov 7 - Wed, Nov 11

2:45 pm - 8:35 pm

PDX

BFS

21h 50m

2 stops

6:25 am - 9:26 am

BFS

PDX

35h 01m

2 stops

$1,079Multiple Airlines

Sat, Nov 7 - Wed, Nov 11

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British Airways flights from Portland to Northern Ireland

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

British Airways

Nov 7

PDX1:28 pmPortland

36h 52m

2 stops

BHD10:20 amBelfast City

Nov 11

BHD9:15 amBelfast City

14h 35m

1 stop

PDX3:50 pmPortland

$946

British Airways

Nov 7

PDX1:28 pmPortland

36h 52m

2 stops

BHD10:20 amBelfast City

Nov 11

BHD9:15 amBelfast City

14h 35m

1 stop

PDX3:50 pmPortland

$948

British Airways

Nov 7

PDX1:28 pmPortland

40h 27m

2 stops

BHD1:55 pmBelfast City

Nov 11

BHD5:40 pmBelfast City

37h 50m

2 stops

PDX11:30 pmPortland

$953

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 11/7

7:00 am-4:50 pm

2 stops25h 50m

Belfast City

Wed 11/11

9:40 am-11:47 pm

2 stops22h 07m

$330

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 11/7

1:28 pm-10:20 am

2 stops36h 52m

Belfast City

Wed 11/11

9:15 am-3:50 pm

1 stop14h 35m

$946

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 11/7

1:28 pm-10:20 am

2 stops36h 52m

Belfast City

Wed 11/11

9:15 am-3:50 pm

1 stop14h 35m

$948

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 11/7

1:28 pm-1:55 pm

2 stops40h 27m

Belfast City

Wed 11/11

5:40 pm-11:30 pm

2 stops37h 50m

$953

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 9/5

12:50 pm-10:30 am

2 stops37h 40m

Belfast City

Sun 9/20

7:10 pm-7:36 pm

2 stops32h 26m

$1,011

Quickest round-trip

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Sat 11/7

2:45 pm-8:15 pm

3 stops21h 30m

Belfast Intl

Wed 11/11

6:25 am-5:00 pm

2 stops18h 35m

$1,054

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Sat 11/7

2:45 pm-8:15 pm

3 stops21h 30m

Belfast Intl

Wed 11/11

6:25 am-5:00 pm

2 stops18h 35m

$1,056

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 9/5

7:30 pm-7:20 pm

1 stop15h 50m

Belfast City

Sun 9/20

7:10 pm-7:36 pm

2 stops32h 26m

$1,056

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Sat 11/7

2:45 pm-9:30 pm

3 stops22h 45m

Belfast Intl

Wed 11/11

6:25 am-9:26 am

3 stops35h 01m

$1,074

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Sat 11/7

2:45 pm-8:35 pm

2 stops21h 50m

Belfast Intl

Wed 11/11

6:25 am-9:26 am

2 stops35h 01m

$1,079

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 40% 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	22h 05m
Direct flights	None

The fastest flight from Portland to Northern Ireland takes 22h 05m

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 many operators does momondo search for flights from Portland Airport to Northern Ireland?
As of June 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 $720	Free Cancellation	Rating 6.7 8,068 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.