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Cheap flights from London Stansted Airport to Northern Ireland from £21

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/9. Fares are subject to change and may not be available on all flights or dates of travel.
STN — BFS
11 Jun — 18 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Stansted to Northern Ireland

Enter your travel dates to find the best prices.

Cheapest flights from Stansted to Northern Ireland
Explore the most affordable flight options available from Stansted to Northern Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 May 2026.

Fri 18/909:20
STN
-
BFS
Nonstop1h 20m
Ryanair
Mon 21/909:15
BFS
-
STN
Nonstop1h 20m
Ryanair
Deal found 9/5£43
Fri 12/621:40
STN
-
BFS
Nonstop1h 20m
Ryanair
Mon 15/618:50
BFS
-
STN
Nonstop1h 20m
Ryanair
Deal found 9/5£44
Tue 9/622:00
STN
-
BFS
Nonstop1h 20m
Ryanair
Thu 11/621:25
BFS
-
STN
Nonstop1h 20m
Ryanair
Deal found 10/5£45
Mon 15/611:00
STN
-
BFS
Nonstop1h 20m
Ryanair
Tue 16/616:40
BFS
-
STN
Nonstop1h 20m
Ryanair
Deal found 11/5£46
Thu 4/611:00
STN
-
BFS
Nonstop1h 20m
Multiple Airlines
Sun 7/607:00
BFS
-
STN
Nonstop1h 20m
Multiple Airlines
Deal found 9/5£46
Thu 18/611:00
STN
-
BFS
Nonstop1h 20m
Ryanair
Sat 20/607:40
BFS
-
STN
Nonstop1h 20m
Ryanair
Deal found 11/5£47
Fri 25/921:40
STN
-
BFS
Nonstop1h 20m
Ryanair
Sun 27/912:20
BFS
-
STN
Nonstop1h 20m
Ryanair
Deal found 12/5£48
Fri 11/921:40
STN
-
BFS
Nonstop1h 20m
Ryanair
Sun 13/912:20
BFS
-
STN
Nonstop1h 20m
Ryanair
Deal found 10/5£48
Mon 1/608:45
STN
-
BFS
Nonstop1h 20m
easyJet
Fri 5/620:25
BFS
-
STN
Nonstop1h 15m
easyJet
Deal found 12/5£49
Tue 2/608:35
STN
-
BFS
Nonstop1h 20m
easyJet
Tue 9/620:10
BFS
-
STN
Nonstop1h 15m
easyJet
Deal found 9/5£50
Fri 29/522:10
STN
-
BFS
Nonstop1h 15m
easyJet
Sun 7/607:00
BFS
-
STN
Nonstop1h 20m
easyJet
Deal found 8/5£51
Wed 3/621:55
STN
-
BFS
Nonstop1h 15m
easyJet
Wed 10/605:55
BFS
-
STN
Nonstop1h 25m
easyJet
Deal found 11/5£51

Find flight deals from Stansted to Northern Ireland

Keep the following information in mind while searching for Stansted to Northern Ireland flight deals. Data was last updated 12 May 2026.

Round-trip from

£43

One-way from

£21

Popular in

July

Cheapest in

January

Average price

£83

Good round-trip deal

£44 or less

Good one-way deal

£18 or less
Ryanair
  • Ryanair
  • 12/6-15/6
  • Nonstop
  • 2h 40m total
  • London to Northern Ireland
Search Deals
Ryanair
  • Ryanair
  • 18/9
  • Nonstop
  • 1h 20m total
  • London to Northern Ireland
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£17 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from London Stansted to Northern Ireland.
Search Deals
Price to beat on a one-way flight from London Stansted to Northern Ireland.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Stansted to Northern Ireland 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, Cheapflights users made 858,174 searches. Data last updated 12 May 2026.
Use the filters below to find and compare flights from London Stansted Airport to Northern Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonBelfast

STN - BFS

STNBFS

London Stansted

Wed 17/6

10:15-11:35

Nonstop1h 20m

Belfast Intl

Sat 20/6

07:40-09:00

Nonstop1h 20m

£43

LondonBelfast

STN - BFS

STNBFS

London Stansted

Fri 12/6

21:40-23:00

Nonstop1h 20m

Belfast Intl

Mon 15/6

18:50-20:10

Nonstop1h 20m

£44

LondonBelfast

STN - BFS

STNBFS

London Stansted

Tue 23/6

22:00-23:20

Nonstop1h 20m

Belfast Intl

Thu 2/7

21:25-22:45

Nonstop1h 20m

£49

LondonBelfast

STN - BFS

STNBFS

London Stansted

Sun 14/6

08:50-10:10

Nonstop1h 20m

Belfast Intl

Wed 17/6

20:10-21:25

Nonstop1h 15m

£50
Fastest return journey

LondonBelfast

STN - BFS

STNBFS

London Stansted

Fri 5/6

22:10-23:25

Nonstop1h 15m

Belfast Intl

Fri 12/6

20:25-21:40

Nonstop1h 15m

£51

LondonBelfast

STN - BFS

STNBFS

London Stansted

Wed 15/7

07:50-09:10

Nonstop1h 20m

Belfast Intl

Thu 16/7

20:05-21:20

Nonstop1h 15m

£51

LondonBelfast

STN - BFS

STNBFS

London Stansted

Thu 18/6

08:30-09:50

Nonstop1h 20m

Belfast Intl

Sun 21/6

07:00-08:20

Nonstop1h 20m

£55

LondonBelfast

STN - BFS

STNBFS

London Stansted

Sat 20/6

07:50-09:10

Nonstop1h 20m

Belfast Intl

Sun 21/6

07:00-08:20

Nonstop1h 20m

£55

LondonBelfast

STN - BFS

STNBFS

London Stansted

Tue 18/8

14:55-16:15

Nonstop1h 20m

Belfast Intl

Fri 21/8

07:35-08:55

Nonstop1h 20m

£57

LondonBelfast

STN - BFS

STNBFS

London Stansted

Wed 15/7

07:50-09:10

Nonstop1h 20m

Belfast Intl

Mon 20/7

19:35-20:50

Nonstop1h 15m

£57

Flights are sorted by cheapest return flights first.

Deals found on 10/5

Showing 1-10 of 53 resultsSorted by cheapest first
1
2
3
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6

Best time to book a flight from Stansted to Northern Ireland

Have a flexible travel schedule? Discover the best time to fly to Northern Ireland from Stansted with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Stansted Airport to Northern Ireland

How far ahead should I book a flight from London Stansted Airport to Northern Ireland?

Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Stansted Airport to Northern Ireland. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from London Stansted Airport to Northern Ireland?

Currently, February is the cheapest month in which you can book a flight from London Stansted Airport to Northern Ireland (average of £15). Flying from London Stansted Airport to Northern Ireland in August is currently the most expensive (average of £26). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STN to NIR?

Find hourly flight availability from Stansted to Northern Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 May 2026.

A simple way to save on the total cost of your ticket is to fly from London Stansted Airport to Northern Ireland in the morning. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from London Stansted Airport to Northern Ireland?

Use this chart to determine the cheapest time to fly return from Stansted to Northern Ireland. Price data was last updated on 9 May 2026.

Travellers seeking maximum savings on their London Stansted Airport to Northern Ireland flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost for a return flight from London Stansted Airport to Northern Ireland?

Reviews of airlines servicing Northern Ireland

Get insights into the airlines that provide service to Northern Ireland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Northern Ireland. Reviews last updated 12 May 2026.
See what other customers who have flown with Ryanair,easyJet, andRyanair from London Stansted Airport to Northern Ireland have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Ryanair
6.9
Okay
5,371 reviews
Check prices

Crew

7.5

Food

6.0

Comfort

6.5

Entertainment

5.6

Boarding

6.7

Overall

6.9

Reviews

1 / 20
2.0
Mediocre

Nadia,Mar 2026

STN - TLL

Terrible they overbooked a didn't let 2 of our friends on, absolute shambles
Ryanair
6.9
Okay
5,371 reviews
Ryanair
6.9
Okay
5,371 reviews
Check prices

Crew

7.5

Food

6.0

Comfort

6.5

Entertainment

5.6

Boarding

6.7

Overall

6.9

Reviews

1 / 20
2.0
Mediocre

Nadia,Mar 2026

STN - TLL

Terrible they overbooked a didn't let 2 of our friends on, absolute shambles
easyJet
6.9
Okay
1,900 reviews
Ryanair
6.9
Okay
5,371 reviews
Check prices

Crew

7.5

Food

6.0

Comfort

6.5

Entertainment

5.6

Boarding

6.7

Overall

6.9

Reviews

1 / 20
2.0
Mediocre

Nadia,Mar 2026

STN - TLL

Terrible they overbooked a didn't let 2 of our friends on, absolute shambles
Ryanair
6.4
Okay
Ryanair
6.9
Okay
5,371 reviews
Check prices

Crew

7.5

Food

6.0

Comfort

6.5

Entertainment

5.6

Boarding

6.7

Overall

6.9

Reviews

1 / 20
2.0
Mediocre

Nadia,Mar 2026

STN - TLL

Terrible they overbooked a didn't let 2 of our friends on, absolute shambles

Related info for your journey

Find useful and relevant information for your journey from Stansted to Northern Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Stansted Airport to Northern Ireland?

    There are many flights that can get you from London Stansted Airport to Northern Ireland in 1h 20m. Fly via Ryanair or easyJet to get the fastest option. There are 328 mi between London Stansted Airport and Northern Ireland. All flights are typically direct.

  • What are the most popular routes from London Stansted Airport to Northern Ireland?

    While some choose either London Stansted - Belfast City or London Stansted - Londonderry Eglinton, London Stansted - Belfast Intl is the most popular route from London Stansted Airport to Northern Ireland.

  • What are the most reliable airlines from London Stansted Airport to Northern Ireland?

    Consider Ryanair (100%), easyJet (83%) or Ryanair (80%) when booking your flight. These represent the most reliable airlines when flying from London Stansted Airport to Northern Ireland.

  • What are the cheapest flights from London Stansted Airport to Northern Ireland?

    Looking at all options, your cheapest flight can be booked for £15. While the most popular route (London Stansted - Belfast Intl) can be booked for £30 on average, our data indicates £54 when flying from London Stansted Airport to Northern Ireland.

  • Can I find deals for flights from Stansted to Northern Ireland that include hotel bookings?

    Yes. In addition to deals on Stansted to Northern Ireland flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Stansted to Northern Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Northern Ireland.

  • Can I find deals for business class flights from Stansted to Northern Ireland?

    Yes. Cheapflights offers flight deals from Stansted to Northern Ireland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Stansted Airport to Northern Ireland?

    Currently, February is the cheapest month in which you can book a flight from London Stansted Airport to Northern Ireland (average of £15). Flying from London Stansted Airport to Northern Ireland in August is currently the most expensive (average of £26). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Stansted to Northern Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Stansted to Northern Ireland

Discover the top 3 airlines that operate flights from Stansted to Northern Ireland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 12 May 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£18Average£64FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
easyJetCheapest£29Average£88FlexibilityNo cancel feeOn-time86%
Search easyJet flights
RyanairCheapest£40Average£57FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Stansted to Northern Ireland?

Cheapflights helps you search for flights from Stansted to Northern Ireland via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Stansted to Northern Ireland?

Cheapflights simply makes it quick and affordable to book flights from Stansted to Northern Ireland by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Stansted to Northern Ireland with no change fees?

Certainly. Search results for flights to Northern Ireland from Stansted shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Stansted to Northern Ireland become cheaper?

Yes! Start tracking prices for Stansted to Northern Ireland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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