When did momondo last update prices for flights from Portland Airport to Belfast?

Prices for flights from Portland Airport to Belfast are updated daily.

How many operators does momondo search for flights from Portland Airport to Belfast?

The number of operators available for flights from Portland Airport to Belfast is 1 as of November 2025.

How old do you have to be to fly from Portland Airport to Belfast?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Belfast.

What documentation or ID do you need to fly to Belfast?

The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$638 Cheap Flights from Portland to Belfast in 2025/26

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Find the cheapest flights from Portland to Belfast

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:37 pm - 4:50 pmPDX-BHD

37h 13m2 stops

5:20 pm - 10:47 amBHD-PDX

49h 27m2 stops

$655Delta

Find Deal

Thu, Feb 5 - Mon, Feb 9

7:00 am - 4:50 pmPDX-BHD

25h 50m2 stops

5:20 pm - 5:35 pmBHD-PDX

32h 15m2 stops

$656Virgin Atlantic

Find Deal

Thu, Jan 15 - Mon, Jan 19

10:00 am - 4:50 pmPDX-BHD

22h 50m2 stops

5:20 pm - 6:50 pmBHD-PDX

33h 30m2 stops

$711KLM

Find Deal

Thu, Jan 15 - Mon, Jan 19

6:00 am - 4:40 pmPDX-BHD

26h 40m2 stops

9:15 am - 3:55 pmBHD-PDX

14h 40m1 stop

$822American Airlines

Find Deal

Thu, Jan 15 - Mon, Jan 19

6:00 am - 2:00 pmPDX-BHD

24h 00m2 stops

6:35 am - 3:55 pmBHD-PDX

17h 20m1 stop

$823American Airlines

Find Deal

Thu, Jan 15 - Mon, Jan 19

Delta flights from Portland to Belfast

Our best Delta deals on Portland to Belfast flight tickets

Delta

Jan 8

PDX5:50 amPortland

27h 00m

2 stops

BHD4:50 pmBelfast City

Jan 17

BHD5:20 pmBelfast City

26h 05m

1 stop

PDX11:25 amPortland

$645

Find similar

Delta

Feb 5

PDX7:37 pmPortland

37h 13m

2 stops

BHD4:50 pmBelfast City

Feb 9

BHD5:20 pmBelfast City

49h 27m

2 stops

PDX10:47 amPortland

$655

Find similar

American Airlines flights from Portland to Belfast

Our best American Airlines deals on Portland to Belfast flight tickets

American Airlines

Jan 15

PDX6:00 amPortland

26h 40m

2 stops

BHD4:40 pmBelfast City

Jan 19

BHD9:15 amBelfast City

14h 40m

1 stop

PDX3:55 pmPortland

$822

Find similar

American Airlines

Jan 15

PDX6:00 amPortland

24h 00m

2 stops

BHD2:00 pmBelfast City

Jan 19

BHD6:35 amBelfast City

17h 20m

1 stop

PDX3:55 pmPortland

$823

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 2/5

7:37 pm-4:50 pm

2 stops37h 13m

Belfast City

Mon 2/9

5:20 pm-10:47 am

2 stops49h 27m

$655

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 1/15

7:00 am-4:50 pm

2 stops25h 50m

Belfast City

Mon 1/19

5:20 pm-5:35 pm

2 stops32h 15m

$656

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 1/15

10:00 am-4:50 pm

2 stops22h 50m

Belfast City

Mon 1/19

5:20 pm-6:50 pm

2 stops33h 30m

$711

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 1/15

6:00 am-4:40 pm

2 stops26h 40m

Belfast City

Mon 1/19

9:15 am-3:55 pm

1 stop14h 40m

$822

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 1/15

6:00 am-2:00 pm

2 stops24h 00m

Belfast City

Mon 1/19

6:35 am-3:55 pm

1 stop17h 20m

$823

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Portland to Belfast

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 Belfast?

The cheapest day to depart from Portland to Belfast is on a Sunday when prices can be found for as low as $666. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Belfast for around $1,045.

What is the cheapest time of day to depart on your flight to Belfast?

Our data shows that the cheapest Portland to Belfast flights are usually those with departure times in the afternoon. Our users have found flights to Belfast in the afternoon for as low as $667. Try not to purchase tickets in the evening because they tend to be around $910. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Portland to Belfast flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Belfast

Direct flights	None

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

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How far is Portland to Belfast by plane?
The straight-line distance from Portland to Belfast is 4590.7 mi. Typically, this will take 19h 20m by plane in normal conditions.
When did momondo last update prices for flights from Portland Airport to Belfast?
Prices for flights from Portland Airport to Belfast are updated daily.
How many operators does momondo search for flights from Portland Airport to Belfast?
The number of operators available for flights from Portland Airport to Belfast is 1 as of November 2025.
How old do you have to be to fly from Portland Airport to Belfast?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Belfast.
What documentation or ID do you need to fly to Belfast?
The travel and health documents you'll need for your trip to Belfast may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Belfast. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Belfast

Compare and see reviews for airlines that fly from Portland to Belfast with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $659	Free Cancellation	Rating 6.7 7,535 reviews		Search British Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Belfast?

It is quick and easy to find Portland to Belfast flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Belfast that suits you.

Can I find flights from Portland to Belfast with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Belfast from Portland with this policy.

How can momondo help me find flights from Portland to Belfast?

momondo helps you find the best flight between Portland and Belfast by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland to Belfast right now. Can momondo alert me if prices change?

Price alerts on flights to Belfast from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.