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Cheap flights from Northern Ireland to Reykjavik Keflavik Intl Airport from £61

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
BFS — KEF
21 Nov — 28 Nov1
1 adult
1 adult, Economy

Cheap flight deals from Northern Ireland to Keflavik Intl

Keep the following information in mind while searching for Northern Ireland to Keflavik Intl flight deals. Data was last updated 22 October 2025.

Round-trip from

£126

One-way from

£61
easyJet
  • easyJet
  • 2/3-6/3
  • 2 total stops
  • 25h 40m total
  • Northern Ireland to Reykjavik
Search Deals
easyJet
  • easyJet
  • 11/3
  • 1 total stop
  • 11h 15m total
  • Northern Ireland to Reykjavik
Search Deals

Find flight deals from Northern Ireland to Keflavik Intl

Enter your travel dates to find the best prices.

Cheapest flights from Northern Ireland to Keflavik Intl
Explore the most affordable flight options available from Northern Ireland to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 October 2025.

Mon 17/1106:40BFS - KEF
1 stop27h 35measyJet
Fri 21/1119:15KEF - BFS
1 stop12h 25measyJet
Deal found 21/10£168
Fri 5/1218:00BFS - KEF
2 stops25h 35mMultiple Airlines
Fri 12/1219:40KEF - BFS
1 stop12h 40mMultiple Airlines
Deal found 21/10£187
Thu 20/1118:50BHD - KEF
1 stop24h 15mMultiple Airlines
Thu 27/1112:45KEF - BHD
1 stop5h 40mMultiple Airlines
Deal found 21/10£191
Thu 20/1107:05BFS - KEF
1 stop10h 55measyJet
Thu 27/1110:05KEF - BFS
1 stop10h 15measyJet
Deal found 21/10£197
Thu 20/1120:00BHD - KEF
2 stops23h 05measyJet
Thu 27/1110:05KEF - BHD
1 stop6h 00measyJet
Deal found 21/10£199
Thu 27/1109:05BFS - KEF
1 stop8h 55measyJet
Sun 30/1111:10KEF - BFS
1 stop19h 40measyJet
Deal found 21/10£202
Mon 17/1110:05BHD - KEF
2 stops23h 35mMultiple Airlines
Fri 21/1119:45KEF - BHD
1 stop13h 30mMultiple Airlines
Deal found 21/10£208
Thu 27/1116:50BFS - KEF
2 stops26h 15mMultiple Airlines
Sun 30/1119:35KEF - BFS
2 stops14h 05mMultiple Airlines
Deal found 21/10£213
Mon 17/1121:00BFS - KEF
2 stops22h 35mMultiple Airlines
Fri 21/1119:45KEF - BFS
1 stop13h 05mMultiple Airlines
Deal found 21/10£216
Thu 27/1111:05BHD - KEF
1 stop6h 55mMultiple Airlines
Sun 30/1119:35KEF - BHD
2 stops21h 00mMultiple Airlines
Deal found 21/10£247
Thu 27/1117:20BHD - KEF
1 stop17h 05mKLM
Sun 30/1120:05KEF - BHD
1 stop24h 55mKLM
Deal found 21/10£276
Mon 27/1006:50BHD - KEF
2 stops12h 15mMultiple Airlines
Mon 3/1112:45KEF - BHD
1 stop8h 10mMultiple Airlines
Deal found 20/10£516

Cheapflights Fare Finder

 
Customise your flight search to find flights from Northern Ireland to Keflavik Intl 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 22 October 2025.
Use the filters below to find and compare flights from Northern Ireland to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Northern Ireland

Fly to

Keflavik Intl

Route

Depart

Return

Price

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Mon 2/3

21:00-10:15

1 stop13h 15m

Reykjavik Keflavik Intl

Fri 6/3

19:15-07:40

1 stop12h 25m

£126

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 3/2

07:05-17:45

1 stop10h 40m

Reykjavik Keflavik Intl

Fri 6/2

19:15-07:40

1 stop12h 25m

£140

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 3/2

07:05-17:45

1 stop10h 40m

Reykjavik Keflavik Intl

Sat 7/2

21:05-10:10

1 stop13h 05m

£140

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 3/2

06:30-17:45

1 stop11h 15m

Reykjavik Keflavik Intl

Sat 7/2

18:35-23:50

2 stops29h 15m

£159

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 9/4

08:45-18:40

1 stop10h 55m

Reykjavik Keflavik Intl

Wed 22/4

08:05-14:35

1 stop5h 30m

£176

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Tue 7/4

22:25-07:25

1 stop10h 00m

Reykjavik Keflavik Intl

Wed 22/4

08:05-14:35

1 stop5h 30m

£185

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 27/11

09:05-18:00

1 stop8h 55m

Reykjavik Keflavik Intl

Sun 30/11

11:10-06:50

1 stop19h 40m

£202

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 27/11

16:50-19:05

2 stops26h 15m

Reykjavik Keflavik Intl

Sun 30/11

19:35-09:40

2 stops14h 05m

£213

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Sun 12/4

07:45-15:40

1 stop8h 55m

Reykjavik Keflavik Intl

Wed 22/4

09:00-23:20

1 stop13h 20m

£221

BelfastReykjavik

BFS - KEF

BFSKEF

Belfast Intl

Thu 9/4

08:45-18:40

1 stop10h 55m

Reykjavik Keflavik Intl

Sun 19/4

09:35-19:30

1 stop8h 55m

£221

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 26 results
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Best time to book a flight from Northern Ireland to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from Northern Ireland 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 Northern Ireland to Reykjavik Keflavik Intl Airport

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

Find hourly flight availability from Northern Ireland to Keflavik Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 October 2025.

A simple way to save on the total cost of your ticket is to fly from Northern Ireland to Reykjavik Keflavik Intl Airport at midday. If you’re flexible enough to do this you can expect to save up to 64% on your trip compared to booking a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Northern Ireland to Keflavik Intl. 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 Northern Ireland to Reykjavik Keflavik Intl Airport?

    A quick flight from Northern Ireland to Reykjavik Keflavik Intl Airport can take about 13h 15m. easyJet provides one of the quickest options available for as low as £126. The distance between Northern Ireland and Reykjavik Keflavik Intl Airport is about 860 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

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

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

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

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

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

See more FAQs

Travelling to a place near Reykjavik Keflavik Intl Airport?

Book flights to Reykjavik Keflavik Intl Airport if you plan to visit one of these locations
Hveragerdi
Keflavik

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Northern Ireland to Keflavik Intl

Discover the top airline that operate flights from Northern Ireland to Keflavik Intl. 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 22 October 2025.
AirlineCheapestAverageFlexibilityOn-time
easyJetCheapest£125Average£150FlexibilityNo cancel feeOn-time86%
Search easyJet 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 Northern Ireland to Keflavik Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Northern Ireland to Keflavik Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Northern Ireland to Keflavik Intl for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Northern Ireland to Keflavik Intl with no change fees.

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

Yes! Start tracking prices for Northern Ireland to Keflavik Intl 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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