Latest deals
Insights
FAQs
Price Alerts

Cheap flights from Portland to Belfast from £288

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 Belfast departing on 14/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland to Belfast

Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
19:30 - 18:15
PDX
-
BHD
14h 45m
1 stop
British Airways Logo
19:40 - 17:40
BHD
-
PDX
30h 00m
1 stop
£545British Airways
Sat, 2 May - Wed, 13 May
British Airways Logo
19:30 - 19:25
PDX
-
BHD
15h 55m
1 stop
British Airways Logo
09:35 - 21:17
BHD
-
PDX
19h 42m
2 stops
£556British Airways
Thu, 20 Aug - Fri, 28 Aug
American Airlines Logo
15:16 - 19:20
PDX
-
BHD
20h 04m
2 stops
American Airlines Logo
11:35 - 22:47
BHD
-
PDX
19h 12m
2 stops
£559American Airlines
Sat, 2 May - Wed, 13 May
British Airways Logo
19:30 - 19:25
PDX
-
BHD
15h 55m
1 stop
British Airways Logo
20:10 - 17:40
BHD
-
PDX
29h 30m
1 stop
£560British Airways
Thu, 20 Aug - Fri, 28 Aug
British Airways Logo
19:30 - 18:15
PDX
-
BHD
14h 45m
1 stop
British Airways Logo
20:35 - 22:47
BHD
-
PDX
34h 12m
2 stops
£566British Airways
Sat, 2 May - Wed, 13 May
British Airways Logo
11:35 - 15:30
PDX
-
BHD
19h 55m
2 stops
British Airways Logo
09:35 - 23:22
BHD
-
PDX
21h 47m
2 stops
£571British Airways
Thu, 20 Aug - Fri, 28 Aug
British Airways Logo
19:30 - 20:35
PDX
-
BHD
17h 05m
1 stop
British Airways Logo
18:20 - 17:40
BHD
-
PDX
31h 20m
1 stop
£657British Airways
Fri, 21 Aug - Tue, 25 Aug
Scandinavian Airlines Logo
14:25 - 16:50
PDX
-
BHD
19h 25m
1 stop
Scandinavian Airlines Logo
06:30 - 12:25
BHD
-
PDX
12h 55m
1 stop
£746Scandinavian Airlines
Wed, 18 Mar - Wed, 25 Mar
Multiple Airlines Logo
15:30 - 22:50
PDX
-
BFS
23h 20m
3 stops
Multiple Airlines Logo
22:40 - 18:00
BFS
-
PDX
27h 20m
3 stops
£746Multiple Airlines
Thu, 16 Apr - Thu, 23 Apr
Multiple Airlines Logo
15:30 - 22:40
PDX
-
BFS
23h 10m
3 stops
Multiple Airlines Logo
06:10 - 18:00
BFS
-
PDX
19h 50m
3 stops
£779Multiple Airlines
Sat, 2 May - Wed, 13 May

British Airways flights from Portland to Belfast

Our best British Airways deals on Portland to Belfast flight tickets
British Airways
2 May
PDX19:30Portland
14h 45m
1 stop
BHD18:15Belfast City
13 May
BHD19:40Belfast City
30h 00m
1 stop
PDX17:40Portland
£545
British Airways
20 Aug
PDX19:30Portland
15h 55m
1 stop
BHD19:25Belfast City
28 Aug
BHD09:35Belfast City
19h 42m
2 stops
PDX21:17Portland
£556
British Airways
20 Aug
PDX19:30Portland
15h 55m
1 stop
BHD19:25Belfast City
28 Aug
BHD20:10Belfast City
29h 30m
1 stop
PDX17:40Portland
£560

momondo Fare Finder

 
Customise your flight search to find flights from Portland to Belfast that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 5 March 2026.
Use the filters below to find and compare flights from Portland to Belfast that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 2/5

19:30-18:15

1 stop14h 45m

Belfast City

Wed 13/5

19:40-17:40

1 stop30h 00m

£545

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 20/8

19:30-19:25

1 stop15h 55m

Belfast City

Fri 28/8

09:35-21:17

2 stops19h 42m

£556

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 2/5

15:16-19:20

2 stops20h 04m

Belfast City

Wed 13/5

11:35-22:47

2 stops19h 12m

£559

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 20/8

19:30-19:25

1 stop15h 55m

Belfast City

Fri 28/8

20:10-17:40

1 stop29h 30m

£560

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 2/5

19:30-18:15

1 stop14h 45m

Belfast City

Wed 13/5

20:35-22:47

2 stops34h 12m

£566

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 20/8

11:35-15:30

2 stops19h 55m

Belfast City

Fri 28/8

09:35-23:22

2 stops21h 47m

£571

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Fri 21/8

19:30-20:35

1 stop17h 05m

Belfast City

Tue 25/8

18:20-17:40

1 stop31h 20m

£657
Fastest return journey

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 18/3

14:25-16:50

1 stop19h 25m

Belfast City

Wed 25/3

06:30-12:25

1 stop12h 55m

£746

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Thu 16/4

15:30-22:50

3 stops23h 20m

Belfast Intl

Thu 23/4

22:40-18:00

3 stops27h 20m

£746

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Sat 2/5

15:30-22:40

3 stops23h 10m

Belfast Intl

Wed 13/5

06:10-18:00

3 stops19h 50m

£779

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

See travel insights to Belfast from

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 airline that flies from Portland to Belfast?

Virgin Atlantic is the most popular carrier operating from Portland to Belfast

Cheap Portland to Belfast flight deals and tips

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

Fastest flight time

14h 45m

Direct flights

None
The fastest flight from Portland to Belfast takes 14h 45m
There are no direct flights from Portland to Belfast. There are no popular flight routes from Portland to Belfast.
Search flight deals

  • How far is Portland to Belfast by plane?

    Belfast is 4590.7 mi away from Portland. Flights usually cover this in 14h 45m, depending on flying conditions and air traffic around both airports.

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

    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 Belfast.

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

    The required travel and health documents for your Belfast 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 Belfast. 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 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 allows you to filter the results for Portland to Belfast flights to just show those with flexible booking policies.

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

Once all potential Portland to Belfast flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Portland to Belfast flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Belfast trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 4/4
Sat 11/4
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United Kingdom

Fly into one of these airports located in Belfast

Airports listed have a maximum distance of 12.2 mi from Belfast
Belfast Intl Airport
Belfast City Airport