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Cheap flights from Portland to Belfast from $577

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Belfast departing on 3/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
6:45 pm - 4:50 pm
PDX
-
BHD
15h 05m1 stop
British Airways Logo
7:25 pm - 4:55 pm
BHD
-
PDX
28h 30m1 stop
$577British Airways
Sun, Mar 8 - Tue, Mar 17
British Airways Logo
6:45 pm - 4:35 pm
PDX
-
BHD
14h 50m1 stop
British Airways Logo
9:15 am - 4:55 pm
BHD
-
PDX
14h 40m1 stop
$583British Airways
Wed, Mar 11 - Mon, Mar 16
British Airways Logo
6:45 pm - 2:15 pm
PDX
-
BHD
12h 30m1 stop
British Airways Logo
5:45 pm - 12:20 am
BHD
-
PDX
37h 35m2 stops
$587British Airways
Wed, Mar 11 - Mon, Mar 16
British Airways Logo
11:46 am - 2:50 pm
PDX
-
BHD
20h 04m2 stops
British Airways Logo
12:25 pm - 12:15 am
BHD
-
PDX
18h 50m2 stops
$591British Airways
Tue, Mar 10 - Wed, Mar 18
British Airways Logo
6:45 pm - 2:15 pm
PDX
-
BHD
12h 30m1 stop
British Airways Logo
6:35 am - 12:20 am
BHD
-
PDX
24h 45m2 stops
$599British Airways
Wed, Mar 11 - Tue, Mar 17
British Airways Logo
5:45 pm - 4:35 pm
PDX
-
BHD
14h 50m1 stop
British Airways Logo
9:10 am - 3:55 pm
BHD
-
PDX
14h 45m1 stop
$602British Airways
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
12:04 pm - 7:10 pm
PDX
-
BHD
23h 06m2 stops
British Airways Logo
6:30 am - 3:55 pm
BHD
-
PDX
17h 25m1 stop
$606British Airways
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
6:40 am - 4:35 pm
PDX
-
BHD
25h 55m2 stops
British Airways Logo
9:10 am - 3:55 pm
BHD
-
PDX
14h 45m1 stop
$607British Airways
Wed, Mar 4 - Sun, Mar 8
American Airlines Logo
5:42 pm - 7:10 pm
PDX
-
BHD
18h 28m2 stops
American Airlines Logo
11:30 am - 12:15 am
BHD
-
PDX
19h 45m2 stops
$639American Airlines
Wed, Mar 11 - Mon, Mar 16
British Airways Logo
1:52 pm - 4:35 pm
PDX
-
BHD
18h 43m2 stops
British Airways Logo
8:25 pm - 12:15 am
BHD
-
PDX
34h 50m2 stops
$641British Airways
Wed, Mar 4 - Sun, Mar 8

British Airways flights from Portland to Belfast City Airport

Our best British Airways deals on Portland to Belfast City Airport flight tickets
British Airways
Mar 8
PDX6:45 pmPortland
15h 05m
1 stop
BHD4:50 pmBelfast City
Mar 17
BHD7:25 pmBelfast City
28h 30m
1 stop
PDX4:55 pmPortland
$577
British Airways
Mar 11
PDX6:45 pmPortland
14h 50m
1 stop
BHD4:35 pmBelfast City
Mar 16
BHD9:15 amBelfast City
14h 40m
1 stop
PDX4:55 pmPortland
$583
British Airways
Mar 11
PDX6:45 pmPortland
12h 30m
1 stop
BHD2:15 pmBelfast City
Mar 16
BHD5:45 pmBelfast City
37h 35m
2 stops
PDX12:20 amPortland
$587

American Airlines flights from Portland to Belfast City Airport

Our best American Airlines deals on Portland to Belfast City Airport flight tickets
American Airlines
Mar 11
PDX5:42 pmPortland
18h 28m
2 stops
BHD7:10 pmBelfast City
Mar 16
BHD11:30 amBelfast City
19h 45m
2 stops
PDX12:15 amPortland
$639
American Airlines
Jan 14
PDX3:22 pmPortland
19h 48m
2 stops
BHD7:10 pmBelfast City
Jan 21
BHD6:35 amBelfast City
17h 20m
1 stop
PDX3:55 pmPortland
$642

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Belfast City Airport 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 January 8, 2026.
Use the filters below to find and compare flights from Portland to Belfast City Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Sun 3/8

6:45 pm-4:50 pm

1 stop15h 05m

Belfast City

Tue 3/17

7:25 pm-4:55 pm

1 stop28h 30m

$577

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/11

6:45 pm-4:35 pm

1 stop14h 50m

Belfast City

Mon 3/16

9:15 am-4:55 pm

1 stop14h 40m

$583

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/11

6:45 pm-2:15 pm

1 stop12h 30m

Belfast City

Mon 3/16

5:45 pm-12:20 am

2 stops37h 35m

$587

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Tue 3/10

11:46 am-2:50 pm

2 stops20h 04m

Belfast City

Wed 3/18

12:25 pm-12:15 am

2 stops18h 50m

$591

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/11

6:45 pm-2:15 pm

1 stop12h 30m

Belfast City

Tue 3/17

6:35 am-12:20 am

2 stops24h 45m

$599

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/4

5:45 pm-4:35 pm

1 stop14h 50m

Belfast City

Sun 3/8

9:10 am-3:55 pm

1 stop14h 45m

$602

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/4

12:04 pm-7:10 pm

2 stops23h 06m

Belfast City

Sun 3/8

6:30 am-3:55 pm

1 stop17h 25m

$606

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/4

6:40 am-4:35 pm

2 stops25h 55m

Belfast City

Sun 3/8

9:10 am-3:55 pm

1 stop14h 45m

$607

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/11

5:42 pm-7:10 pm

2 stops18h 28m

Belfast City

Mon 3/16

11:30 am-12:15 am

2 stops19h 45m

$639

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 3/4

1:52 pm-4:35 pm

2 stops18h 43m

Belfast City

Sun 3/8

8:25 pm-12:15 am

2 stops34h 50m

$641

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Portland to Belfast City Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Belfast City Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Belfast City Airport (PDX to BHD) flight deals and tips

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

Fastest flight time

14h 50m

Direct flights

None
The fastest flight from Portland to Belfast City Airport takes 14h 50m
There are no direct flights from Portland to Belfast City Airport. There are no popular flight routes from Portland to Belfast City Airport.
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  • How far is Portland to Belfast City by plane?

    The distance between Portland and Belfast City is about 4591.2 mi. Typically, this will take 14h 50m by plane in normal conditions.

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

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

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

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

    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 City Airport.

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

    The travel and health documents you'll need for your trip to Belfast City Airport 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 City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland to Belfast City Airport?

Best airlines flying from Portland to Belfast City Airport

Compare and see reviews for airlines that fly from Portland to Belfast City Airport with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $659Free CancellationRating
6.7
7,657 reviews
Search British Airways flights

  • How do I get Price Alerts for flights from Portland to Belfast City Airport?

    Price Alerts will notify you by email when the price for flights to Belfast City Airport from Portland decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Portland to Belfast City Airport with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Traveling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Newcastle
Bangor

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Portland to Belfast for 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?

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?

If you are not ready to book a flight from Portland to Belfast now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Belfast and let you know when they change.

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