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Cheap flights from Portland to Belfast from $949

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 10/28. 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
1 adult, Economy, 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 - 2:15 pm
PDX
-
BHD
12h 30m
1 stop
British Airways Logo
6:00 pm - 3:55 pm
BHD
-
PDX
29h 55m
1 stop
$949British Airways
Wed, Oct 28 - Sat, Nov 7
British Airways Logo
6:45 pm - 4:35 pm
PDX
-
BHD
14h 50m
1 stop
British Airways Logo
3:05 pm - 3:55 pm
BHD
-
PDX
32h 50m
1 stop
$950British Airways
Wed, Oct 28 - Sat, Nov 7
British Airways Logo
1:30 pm - 4:35 pm
PDX
-
BHD
20h 05m
2 stops
British Airways Logo
6:00 pm - 3:55 pm
BHD
-
PDX
29h 55m
1 stop
$965British Airways
Wed, Oct 28 - Sat, Nov 7
Multiple Airlines Logo
1:28 pm - 4:35 pm
PDX
-
BHD
20h 07m
2 stops
Multiple Airlines Logo
6:35 am - 4:50 pm
BHD
-
PDX
18h 15m
2 stops
$970Multiple Airlines
Wed, Oct 28 - Sat, Nov 7
Multiple Airlines Logo
11:42 am - 2:15 pm
PDX
-
BHD
19h 33m
2 stops
Multiple Airlines Logo
11:35 am - 11:00 pm
BHD
-
PDX
19h 25m
2 stops
$971Multiple Airlines
Wed, Oct 28 - Sat, Nov 7
British Airways Logo
7:30 pm - 7:25 pm
PDX
-
BHD
15h 55m
1 stop
British Airways Logo
9:35 am - 12:07 am
BHD
-
PDX
22h 32m
2 stops
$1,137British Airways
Mon, Sep 28 - Fri, Oct 2
British Airways Logo
2:42 pm - 5:30 pm
PDX
-
BHD
18h 48m
2 stops
British Airways Logo
6:30 am - 2:30 pm
BHD
-
PDX
16h 00m
2 stops
$1,142British Airways
Mon, Sep 28 - Fri, Oct 2
British Airways Logo
7:30 pm - 5:30 pm
PDX
-
BHD
14h 00m
1 stop
British Airways Logo
9:35 am - 5:40 pm
BHD
-
PDX
16h 05m
1 stop
$1,148British Airways
Mon, Sep 28 - Fri, Oct 2
Multiple Airlines Logo
10:10 am - 10:20 pm
PDX
-
BFS
28h 10m
3 stops
Multiple Airlines Logo
8:20 am - 1:50 pm
BFS
-
PDX
37h 30m
3 stops
$1,263Multiple Airlines
Wed, Jul 1 - Thu, Jul 9
Virgin Atlantic Logo
1:05 pm - 4:55 pm
PDX
-
BHD
19h 50m
1 stop
Virgin Atlantic Logo
5:30 pm - 11:10 am
BHD
-
PDX
25h 40m
1 stop
$1,264Virgin Atlantic
Tue, Jun 30 - Thu, Jul 9

British Airways flights from Portland to Belfast

Our best British Airways deals on Portland to Belfast flight tickets
British Airways
Oct 28
PDX6:45 pmPortland
12h 30m
1 stop
BHD2:15 pmBelfast City
Nov 7
BHD6:00 pmBelfast City
29h 55m
1 stop
PDX3:55 pmPortland
$949
British Airways
Oct 28
PDX6:45 pmPortland
14h 50m
1 stop
BHD4:35 pmBelfast City
Nov 7
BHD3:05 pmBelfast City
32h 50m
1 stop
PDX3:55 pmPortland
$950
British Airways
Oct 28
PDX1:30 pmPortland
20h 05m
2 stops
BHD4:35 pmBelfast City
Nov 7
BHD6:00 pmBelfast City
29h 55m
1 stop
PDX3:55 pmPortland
$965

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 June 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

Cheapest round-trip

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 10/28

6:45 pm-2:15 pm

1 stop12h 30m

Belfast City

Sat 11/7

6:00 pm-3:55 pm

1 stop29h 55m

$949

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 10/28

6:45 pm-4:35 pm

1 stop14h 50m

Belfast City

Sat 11/7

3:05 pm-3:55 pm

1 stop32h 50m

$950

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 10/28

1:30 pm-4:35 pm

2 stops20h 05m

Belfast City

Sat 11/7

6:00 pm-3:55 pm

1 stop29h 55m

$965

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 10/28

1:28 pm-4:35 pm

2 stops20h 07m

Belfast City

Sat 11/7

6:35 am-4:50 pm

2 stops18h 15m

$970

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Wed 10/28

11:42 am-2:15 pm

2 stops19h 33m

Belfast City

Sat 11/7

11:35 am-11:00 pm

2 stops19h 25m

$971

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Mon 9/28

7:30 pm-7:25 pm

1 stop15h 55m

Belfast City

Fri 10/2

9:35 am-12:07 am

2 stops22h 32m

$1,137

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Mon 9/28

2:42 pm-5:30 pm

2 stops18h 48m

Belfast City

Fri 10/2

6:30 am-2:30 pm

2 stops16h 00m

$1,142
Quickest round-trip

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Mon 9/28

7:30 pm-5:30 pm

1 stop14h 00m

Belfast City

Fri 10/2

9:35 am-5:40 pm

1 stop16h 05m

$1,148

PortlandBelfast

PDX - BFS

PDXBFS

Portland

Wed 7/1

10:10 am-10:20 pm

3 stops28h 10m

Belfast Intl

Thu 7/9

8:20 am-1:50 pm

3 stops37h 30m

$1,263

PortlandBelfast

PDX - BHD

PDXBHD

Portland

Tue 6/30

1:05 pm-4:55 pm

1 stop19h 50m

Belfast City

Thu 7/9

5:30 pm-11:10 am

1 stop25h 40m

$1,264

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

12h 15m

Direct flights

None
The fastest flight from Portland to Belfast takes 12h 15m
There are no direct flights from Portland to Belfast. There are no popular flight routes from Portland to Belfast.
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Frequently asked questions about flying from Portland to Belfast

  • How far is Portland to Belfast by plane?

    The straight-line distance from Portland to Belfast is 4590.7 mi. Typically, this will take 12h 15m 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 $720Free CancellationRating
6.7
8,026 reviews
Search British Airways flights

Frequently asked questions about flying from Portland to Belfast

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

    Search flight deals from Portland to Belfast. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Portland to Belfast 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.

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