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Cheap flights from Portland to Belfast from $385

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 5/14. 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

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Find the cheapest flights from Portland to Belfast

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
7:30 pm - 6:15 pm
PDX
-
BHD
14h 45m
1 stop
British Airways Logo
7:40 pm - 5:40 pm
BHD
-
PDX
30h 00m
1 stop
$728British Airways
Sat, May 2 - Wed, May 13
British Airways Logo
7:30 pm - 7:25 pm
PDX
-
BHD
15h 55m
1 stop
British Airways Logo
9:35 am - 9:17 pm
BHD
-
PDX
19h 42m
2 stops
$743British Airways
Thu, Aug 20 - Fri, Aug 28
American Airlines Logo
3:16 pm - 7:20 pm
PDX
-
BHD
20h 04m
2 stops
American Airlines Logo
11:35 am - 10:47 pm
BHD
-
PDX
19h 12m
2 stops
$746American Airlines
Sat, May 2 - Wed, May 13
British Airways Logo
7:30 pm - 7:25 pm
PDX
-
BHD
15h 55m
1 stop
British Airways Logo
8:10 pm - 5:40 pm
BHD
-
PDX
29h 30m
1 stop
$748British Airways
Thu, Aug 20 - Fri, Aug 28
British Airways Logo
7:30 pm - 6:15 pm
PDX
-
BHD
14h 45m
1 stop
British Airways Logo
8:35 pm - 10:47 pm
BHD
-
PDX
34h 12m
2 stops
$756British Airways
Sat, May 2 - Wed, May 13
British Airways Logo
11:35 am - 3:30 pm
PDX
-
BHD
19h 55m
2 stops
British Airways Logo
9:35 am - 11:22 pm
BHD
-
PDX
21h 47m
2 stops
$763British Airways
Thu, Aug 20 - Fri, Aug 28
Scandinavian Airlines Logo
2:25 pm - 4:50 pm
PDX
-
BHD
19h 25m
1 stop
Scandinavian Airlines Logo
6:30 am - 12:25 pm
BHD
-
PDX
12h 55m
1 stop
$996Scandinavian Airlines
Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
3:30 pm - 10:50 pm
PDX
-
BFS
23h 20m
3 stops
Multiple Airlines Logo
10:40 pm - 6:00 pm
BFS
-
PDX
27h 20m
3 stops
$996Multiple Airlines
Thu, Apr 16 - Thu, Apr 23
Multiple Airlines Logo
3:30 pm - 10:40 pm
PDX
-
BFS
23h 10m
3 stops
Multiple Airlines Logo
6:10 am - 6:00 pm
BFS
-
PDX
19h 50m
3 stops
$1,040Multiple Airlines
Sat, May 2 - Wed, May 13
Air Europa Logo
2:25 pm - 4:50 pm
PDX
-
BHD
19h 25m
1 stop
Air Europa Logo
6:30 am - 4:56 pm
BHD
-
PDX
17h 26m
2 stops
$1,164Air Europa
Wed, Mar 18 - Wed, Mar 25

British Airways flights from Portland to Belfast

Our best British Airways deals on Portland to Belfast flight tickets
British Airways
May 2
PDX7:30 pmPortland
14h 45m
1 stop
BHD6:15 pmBelfast City
May 13
BHD7:40 pmBelfast City
30h 00m
1 stop
PDX5:40 pmPortland
$728
British Airways
Aug 20
PDX7:30 pmPortland
15h 55m
1 stop
BHD7:25 pmBelfast City
Aug 28
BHD9:35 amBelfast City
19h 42m
2 stops
PDX9:17 pmPortland
$743
British Airways
Aug 20
PDX7:30 pmPortland
15h 55m
1 stop
BHD7:25 pmBelfast City
Aug 28
BHD8:10 pmBelfast City
29h 30m
1 stop
PDX5:40 pmPortland
$748

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated March 4, 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

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 5/2

7:30 pm-6:15 pm

1 stop14h 45m

Belfast City

Wed 5/13

7:40 pm-5:40 pm

1 stop30h 00m

$728

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 8/20

7:30 pm-7:25 pm

1 stop15h 55m

Belfast City

Fri 8/28

9:35 am-9:17 pm

2 stops19h 42m

$743

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 5/2

3:16 pm-7:20 pm

2 stops20h 04m

Belfast City

Wed 5/13

11:35 am-10:47 pm

2 stops19h 12m

$746

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 8/20

7:30 pm-7:25 pm

1 stop15h 55m

Belfast City

Fri 8/28

8:10 pm-5:40 pm

1 stop29h 30m

$748

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sat 5/2

7:30 pm-6:15 pm

1 stop14h 45m

Belfast City

Wed 5/13

8:35 pm-10:47 pm

2 stops34h 12m

$756

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Thu 8/20

11:35 am-3:30 pm

2 stops19h 55m

Belfast City

Fri 8/28

9:35 am-11:22 pm

2 stops21h 47m

$763

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/18

2:25 pm-4:50 pm

1 stop19h 25m

Belfast City

Wed 3/25

6:30 am-12:25 pm

1 stop12h 55m

$996

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Thu 4/16

3:30 pm-10:50 pm

3 stops23h 20m

Belfast Intl

Thu 4/23

10:40 pm-6:00 pm

3 stops27h 20m

$996

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Sat 5/2

3:30 pm-10:40 pm

3 stops23h 10m

Belfast Intl

Wed 5/13

6:10 am-6:00 pm

3 stops19h 50m

$1,040

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/18

2:25 pm-4:50 pm

1 stop19h 25m

Belfast City

Wed 3/25

6:30 am-4:56 pm

2 stops17h 26m

$1,164

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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?

    The straight-line distance from Portland to Belfast is 4590.7 mi. Typically, this will take 14h 45m 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?

  • 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 AirwaysPriceFrom $647Free CancellationRating
6.7
7,774 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.

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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