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Cheap flights from Portugal to Belfast from £43

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portugal to Belfast departing on 1/9. 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

Find the cheapest flights from Portugal to Belfast

Recent return flight deals from Portugal to Belfast

Enter your travel dates to find the best prices.
Multiple Airlines Logo
05:55 - 18:55
OPO
-
BFS
13h 00m
1 stop
Multiple Airlines Logo
14:40 - 23:55
BFS
-
OPO
9h 15m
1 stop
£85Multiple Airlines
Fri, 4 Sep - Mon, 7 Sep
Multiple Airlines Logo
05:55 - 18:55
OPO
-
BFS
13h 00m
1 stop
Multiple Airlines Logo
08:40 - 20:40
BFS
-
OPO
12h 00m
1 stop
£86Multiple Airlines
Fri, 4 Sep - Mon, 7 Sep
Multiple Airlines Logo
07:15 - 09:45
OPO
-
BFS
2h 30mdirect
Multiple Airlines Logo
16:10 - 21:40
BFS
-
OPO
5h 30m
1 stop
£91Multiple Airlines
Mon, 7 Sep - Wed, 9 Sep
Multiple Airlines Logo
05:55 - 18:55
OPO
-
BFS
13h 00m
1 stop
Multiple Airlines Logo
14:40 - 23:55
BFS
-
OPO
9h 15m
1 stop
£93Multiple Airlines
Fri, 4 Sep - Mon, 7 Sep
Multiple Airlines Logo
22:10 - 07:50
LIS
-
BFS
9h 40m
1 stop
Multiple Airlines Logo
17:10 - 09:15
BFS
-
LIS
16h 05m
1 stop
£97Multiple Airlines
Thu, 24 Sep - Tue, 29 Sep
Multiple Airlines Logo
22:10 - 07:50
LIS
-
BFS
9h 40m
1 stop
Multiple Airlines Logo
07:35 - 23:00
BFS
-
LIS
15h 25m
1 stop
£100Multiple Airlines
Thu, 24 Sep - Tue, 29 Sep
Multiple Airlines Logo
07:05 - 22:20
LIS
-
BFS
15h 15m
1 stop
Multiple Airlines Logo
07:35 - 23:00
BFS
-
LIS
15h 25m
1 stop
£101Multiple Airlines
Thu, 24 Sep - Tue, 29 Sep
Multiple Airlines Logo
07:05 - 15:20
LIS
-
BFS
8h 15m
1 stop
Multiple Airlines Logo
17:10 - 09:15
BFS
-
LIS
16h 05m
1 stop
£102Multiple Airlines
Thu, 24 Sep - Tue, 29 Sep
easyJet Logo
06:00 - 21:00
LIS
-
BFS
15h 00m
1 stop
easyJet Logo
21:50 - 09:20
BFS
-
LIS
11h 30m
1 stop
£104easyJet
Sat, 17 Oct - Mon, 19 Oct
Multiple Airlines Logo
09:25 - 23:00
OPO
-
BFS
13h 35m
1 stop
Multiple Airlines Logo
14:40 - 23:55
BFS
-
OPO
9h 15m
1 stop
£104Multiple Airlines
Fri, 25 Sep - Mon, 28 Sep

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easyJet flights from Portugal to Belfast Intl Airport

Our best easyJet deals on Portugal to Belfast Intl Airport flight tickets
easyJet
17 Oct
LIS06:00Lisbon Humberto Delgado
15h 00m
1 stop
BFS21:00Belfast Intl
19 Oct
BFS21:50Belfast Intl
11h 30m
1 stop
LIS09:20Lisbon Humberto Delgado
£104
easyJet
25 Sept
OPO09:20Porto
11h 40m
1 stop
BFS21:00Belfast Intl
28 Sept
BFS07:00Belfast Intl
8h 45m
1 stop
OPO15:45Porto
£117
easyJet
25 Sept
LIS21:40Lisbon Humberto Delgado
10h 45m
1 stop
BFS08:25Belfast Intl
2 Oct
BFS06:15Belfast Intl
17h 25m
1 stop
LIS23:40Lisbon Humberto Delgado
£134

Ryanair flights from Portugal to Belfast Intl Airport

Our best Ryanair deals on Portugal to Belfast Intl Airport flight tickets
Ryanair
7 Aug
OPO14:25Porto
2h 30m
BFS16:55Belfast Intl
10 Aug
BFS10:30Belfast Intl
2h 30m
OPO13:00Porto
£116
Ryanair
28 Aug
OPO14:25Porto
2h 30m
BFS16:55Belfast Intl
31 Aug
BFS10:30Belfast Intl
2h 30m
OPO13:00Porto
£137
Ryanair
25 Sept
OPO14:25Porto
2h 30m
BFS16:55Belfast Intl
28 Sept
BFS10:30Belfast Intl
2h 30m
OPO13:00Porto
£154

momondo Fare Finder

 
Customise your flight search to find flights from Portugal to Belfast Intl 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 279,928 searches. Data last updated 4 August 2026.
Use the filters below to find and compare flights from Portugal to Belfast Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 4/9

05:55-18:55

1 stop13h 00m

Belfast Intl

Mon 7/9

14:40-23:55

1 stop9h 15m

£85

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 4/9

05:55-18:55

1 stop13h 00m

Belfast Intl

Mon 7/9

08:40-20:40

1 stop12h 00m

£86
Fastest return journey

PortoBelfast

OPO - BFS

OPOBFS

Porto

Mon 7/9

07:15-09:45

Nonstop2h 30m

Belfast Intl

Wed 9/9

16:10-21:40

1 stop5h 30m

£91

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 4/9

05:55-18:55

1 stop13h 00m

Belfast Intl

Mon 7/9

14:40-23:55

1 stop9h 15m

£93

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 24/9

22:10-07:50

1 stop9h 40m

Belfast Intl

Tue 29/9

17:10-09:15

1 stop16h 05m

£97

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 24/9

22:10-07:50

1 stop9h 40m

Belfast Intl

Tue 29/9

07:35-23:00

1 stop15h 25m

£100

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 24/9

07:05-22:20

1 stop15h 15m

Belfast Intl

Tue 29/9

07:35-23:00

1 stop15h 25m

£101

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Thu 24/9

07:05-15:20

1 stop8h 15m

Belfast Intl

Tue 29/9

17:10-09:15

1 stop16h 05m

£102

LisbonBelfast

LIS - BFS

LISBFS

Lisbon Humberto Delgado

Sat 17/10

06:00-21:00

1 stop15h 00m

Belfast Intl

Mon 19/10

21:50-09:20

1 stop11h 30m

£104

PortoBelfast

OPO - BFS

OPOBFS

Porto

Fri 25/9

09:25-23:00

1 stop13h 35m

Belfast Intl

Mon 28/9

14:40-23:55

1 stop9h 15m

£104

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Belfast from

How to get the cheapest flight ticket from Portugal to Belfast Intl Airport

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 Portugal to Belfast Intl flight route?

Fly from Porto to Belfast Intl for the best Portugal - Belfast Intl flight prices

What cabin class options are available on Portugal to Belfast Intl Airport flights?

There are 2 cabin classes available to choose from on Portugal to Belfast Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Portugal to Belfast Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Portugal to Belfast Intl Airport.

Cheap Portugal to Belfast Intl Airport flight deals and tips

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

Fastest flight time

2h 30m

Direct flights

Tue, Thu, Sat and Sun
The fastest flight from Portugal to Belfast Intl Airport takes 2h 30m
Direct flights go from Portugal to Belfast Intl Airport on Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights..
Search flight deals

Frequently asked questions about flying from Portugal to Belfast Intl Airport

  • When did momondo last update prices for flights from Portugal to Belfast Intl Airport?

    Prices for flights from Portugal to Belfast Intl Airport are updated daily.

  • How old do you have to be to fly from Portugal to Belfast Intl 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 Portugal to Belfast Intl Airport.

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

    The travel and health documents required for your trip to Belfast Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Belfast Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Portugal to Belfast Intl Airport?

Travelling to a place near Belfast?

Book flights to Belfast if you plan to visit one of these locations
Ballymena
Newry
Armagh
Cookstown
Portadown
Dungannon

Why use momondo?

Why should I use momondo to find a flight deal from Portugal 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 Portugal to Belfast for you.

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

Yes. momondo allows you to filter the results for Portugal to Belfast flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Belfast from Portugal.

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

If you are not ready to book a flight from Portugal 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.

An easier way to manage your Belfast Intl Airport trip

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