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Cheap flights from Saint John to Reykjavik Keflavik Intl Airport from C$ 1,870

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — KEF
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights from St John to Keflavik Intl
Explore the most affordable flight options available from St John to Keflavik Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Mon 8/1212:00 p.m.YSJ - KEF
3 stops23h 20mMultiple Airlines
Mon 15/125:00 p.m.KEF - YSJ
2 stops26h 45mMultiple Airlines
Deal found 29/10C$ 1,870
Thu 30/1012:00 p.m.YSJ - KEF
3 stops39h 35mMultiple Airlines
Thu 6/115:15 p.m.KEF - YSJ
2 stops26h 18mMultiple Airlines
Deal found 29/10C$ 2,653

Cheapflights Fare Finder

 
Customize your flight search to find flights from St John 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 629,999 searches. Data last updated 29 October 2025.
Use the filters below to find and compare flights from Saint John to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

St John

Fly to

Keflavik Intl

Route

Depart

Return

Price

Saint JohnReykjavik

YSJ - KEF

YSJKEF

Saint John

Mon 8/12

12:00 p.m.-3:20 p.m.

3 stops23h 20m

Reykjavik Keflavik Intl

Mon 15/12

5:00 p.m.-3:45 p.m.

2 stops26h 45m

C$ 1,870

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Best time to book a flight from St John to Keflavik Intl

Have a flexible travel schedule? Discover the best time to fly to Keflavik Intl from St John with our price prediction graph.
Estimated round-trip 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.

Related info for your journey

Find useful and relevant information for your journey from St John to Keflavik Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Saint John to Reykjavik Keflavik Intl?

    Saint John (YSJ), located 15.1 km from the city centre, is the airport you fly out of when you book flights from Saint John to Reykjavik Keflavik Intl. 0 airlines have flights from Saint John to Reykjavik Keflavik Intl on a regular basis. Booking flights from Saint John to Reykjavik Keflavik Intl should not be difficult; the airport handles an average of 0 outbound flights to Reykjavik Keflavik Intl per day.

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

    Yes. In addition to deals on St John to Keflavik Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St John to Keflavik Intl?

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

  • Can I find deals for business class flights from St John to Keflavik Intl?

    Yes. Cheapflights offers flight deals from St John 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
Grindavik
Kopavogur
Keflavik
Hveragerdi

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