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

British Airways and American Airlines 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 March 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.

$414 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.

10:23 am - 10:10 am

PDX

BHD

15h 47m

2 stops

9:35 am - 10:50 pm

BHD

PDX

21h 15m

2 stops

$949Multiple Airlines

Thu, Sep 3 - Thu, Sep 10

1:05 pm - 9:20 am

PDX

BHD

12h 15m

1 stop

5:30 pm - 11:10 am

BHD

PDX

25h 40m

1 stop

$955Virgin Atlantic

Wed, Sep 2 - Sun, Sep 13

1:05 pm - 9:20 am

PDX

BHD

12h 15m

1 stop

5:30 pm - 3:06 pm

BHD

PDX

29h 36m

2 stops

$964KLM

Wed, Sep 2 - Sun, Sep 13

7:30 pm - 7:20 pm

PDX

BHD

15h 50m

1 stop

9:35 am - 11:57 pm

BHD

PDX

22h 22m

2 stops

$975American Airlines

Sat, Apr 18 - Sat, Apr 25

11:48 am - 3:05 pm

PDX

BHD

19h 17m

2 stops

9:35 am - 10:57 pm

BHD

PDX

21h 22m

2 stops

$983American Airlines

Sat, Apr 18 - Sat, Apr 25

7:30 pm - 7:20 pm

PDX

BHD

15h 50m

1 stop

7:05 am - 9:38 pm

BHD

PDX

22h 33m

2 stops

$984Multiple Airlines

Sat, May 2 - Sat, May 9

7:30 pm - 7:20 pm

PDX

BHD

15h 50m

1 stop

7:05 am - 9:38 pm

BHD

PDX

22h 33m

2 stops

$985Multiple Airlines

Sat, Apr 18 - Sat, Apr 25

3:16 pm - 6:15 pm

PDX

BHD

18h 59m

2 stops

9:35 am - 10:50 pm

BHD

PDX

21h 15m

2 stops

$987American Airlines

Sat, May 2 - Sat, May 9

12:32 pm - 1:35 pm

PDX

BHD

17h 03m

2 stops

6:30 am - 7:01 pm

BHD

PDX

20h 31m

2 stops

$1,008American Airlines

Wed, Sep 2 - Sun, Sep 13

7:30 pm - 6:10 pm

PDX

BHD

14h 40m

1 stop

9:35 am - 10:49 pm

BHD

PDX

21h 14m

2 stops

$1,009Multiple Airlines

Fri, Apr 24 - Sat, May 2

KLM flights from Portland to Northern Ireland

Our best KLM deals on Portland to Northern Ireland flight tickets

KLM

Sep 2

PDX1:05 pmPortland

12h 15m

1 stop

BHD9:20 amBelfast City

Sep 13

BHD5:30 pmBelfast City

29h 36m

2 stops

PDX3:06 pmPortland

$964

KLM

May 2

PDX1:05 pmPortland

19h 50m

1 stop

BHD4:55 pmBelfast City

May 9

BHD5:30 pmBelfast City

25h 40m

1 stop

PDX11:10 amPortland

$1,084

American Airlines flights from Portland to Northern Ireland

Our best American Airlines deals on Portland to Northern Ireland flight tickets

American Airlines

Mar 30

PDX11:46 amPortland

19h 44m

2 stops

BHD3:30 pmBelfast City

Apr 30

BHD9:35 amBelfast City

21h 21m

2 stops

PDX10:56 pmPortland

$972

American Airlines

Apr 18

PDX7:30 pmPortland

15h 50m

1 stop

BHD7:20 pmBelfast City

Apr 25

BHD9:35 amBelfast City

22h 22m

2 stops

PDX11:57 pmPortland

$975

American Airlines

Apr 18

PDX11:48 amPortland

19h 17m

2 stops

BHD3:05 pmBelfast City

Apr 25

BHD9:35 amBelfast City

21h 22m

2 stops

PDX10:57 pmPortland

$983

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 9/3

10:23 am-10:10 am

2 stops15h 47m

Belfast City

Thu 9/10

9:35 am-10:50 pm

2 stops21h 15m

$949

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 9/2

1:05 pm-9:20 am

1 stop12h 15m

Belfast City

Sun 9/13

5:30 pm-11:10 am

1 stop25h 40m

$955

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 9/2

1:05 pm-9:20 am

1 stop12h 15m

Belfast City

Sun 9/13

5:30 pm-3:06 pm

2 stops29h 36m

$964

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 4/18

7:30 pm-7:20 pm

1 stop15h 50m

Belfast City

Sat 4/25

9:35 am-11:57 pm

2 stops22h 22m

$975

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 4/18

11:48 am-3:05 pm

2 stops19h 17m

Belfast City

Sat 4/25

9:35 am-10:57 pm

2 stops21h 22m

$983

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 5/2

7:30 pm-7:20 pm

1 stop15h 50m

Belfast City

Sat 5/9

7:05 am-9:38 pm

2 stops22h 33m

$984

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 4/18

7:30 pm-7:20 pm

1 stop15h 50m

Belfast City

Sat 4/25

7:05 am-9:38 pm

2 stops22h 33m

$985

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 5/2

3:16 pm-6:15 pm

2 stops18h 59m

Belfast City

Sat 5/9

9:35 am-10:50 pm

2 stops21h 15m

$987

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 9/2

12:32 pm-1:35 pm

2 stops17h 03m

Belfast City

Sun 9/13

6:30 am-7:01 pm

2 stops20h 31m

$1,008

Quickest round-trip

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Fri 4/24

7:30 pm-6:10 pm

1 stop14h 40m

Belfast City

Sat 5/2

9:35 am-10:49 pm

2 stops21h 14m

$1,009

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 2% 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	12h 15m
Direct flights	None

The fastest flight from Portland to Northern Ireland takes 12h 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

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 March 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 7,813 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.