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Cheap flights from Saint John to Reykjavik Keflavik Intl Airport from C$ 592

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
YSJ — KEF
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St John to Keflavik Intl

Enter your travel dates to find the best prices.

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 27 July 2026.

Wed 16/95:00 a.m.
YSJ
-
KEF
2 stops24h 30m
United Airlines
Sun 20/911:30 a.m.
KEF
-
YSJ
2 stops31h 29m
United Airlines
Deal found 22/7C$ 929
Sun 6/94:40 p.m.
YSJ
-
KEF
1 stop12h 15m
Air Canada
Wed 16/99:15 a.m.
KEF
-
YSJ
1 stop9h 44m
Air Canada
Deal found 26/7C$ 1,138
Sat 5/94:40 p.m.
YSJ
-
KEF
2 stops37h 05m
Air Canada
Wed 16/99:15 a.m.
KEF
-
YSJ
1 stop9h 44m
Air Canada
Deal found 26/7C$ 1,150
Wed 16/912:50 p.m.
YSJ
-
KEF
1 stop16h 55m
Air Canada
Sun 20/99:15 a.m.
KEF
-
YSJ
1 stop9h 44m
Air Canada
Deal found 26/7C$ 1,348

Find flight deals from St John to Keflavik Intl

Discover tips and strategies to find the most affordable flight options for your journey from St John (YSJ) to Keflavik Intl (KEF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 27 July 2026.

Round-trip from

C$ 929

One-way from

C$ 592
United Airlines
  • United Airlines
  • 16/9-20/9
  • 4 total stops
  • 55h 59m total
  • Saint John to Reykjavik
Search Deals
United Airlines
  • United Airlines
  • 8/9
  • 2 total stops
  • 36h 50m total
  • Saint John to Reykjavik
Search Deals

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 27 July 2026.
Use the filters below to find and compare flights from Saint John to Reykjavik Keflavik Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint JohnReykjavik

YSJ - KEF

YSJKEF

Saint John

Wed 16/9

5:00 a.m.-8:30 a.m.

2 stops24h 30m

Reykjavik Keflavik Intl

Sun 20/9

11:30 a.m.-3:59 p.m.

2 stops31h 29m

C$ 929

Saint JohnReykjavik

YSJ - KEF

YSJKEF

Saint John

Sat 5/9

4:40 p.m.-8:45 a.m.

2 stops37h 05m

Reykjavik Keflavik Intl

Wed 16/9

9:15 a.m.-11:51 p.m.

2 stops17h 36m

C$ 1,161

Saint JohnReykjavik

YSJ - KEF

YSJKEF

Saint John

Sun 6/9

12:50 p.m.-7:55 a.m.

2 stops16h 05m

Reykjavik Keflavik Intl

Wed 16/9

9:15 a.m.-11:51 p.m.

2 stops17h 36m

C$ 1,161
Quickest round-trip

Saint JohnReykjavik

YSJ - KEF

YSJKEF

Saint John

Wed 16/9

4:40 p.m.-8:45 a.m.

2 stops13h 05m

Reykjavik Keflavik Intl

Sun 20/9

9:15 a.m.-3:59 p.m.

1 stop9h 44m

C$ 1,354
Cheapest one-way
Quickest one-way

Saint JohnReykjavik

YSJ - KEF

YSJKEF

Saint John

Tue 8/9

4:40 p.m.-8:30 a.m.

2 stops36h 50m

C$ 592

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/7

Sorted by cheapest first

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.

  • How long is the flight from Saint John to Reykjavik Keflavik Intl Airport?

    For as low as C$ 929, United Airlines can have you in Reykjavik Keflavik Intl Airport from Saint John in 24h 30m. Saint John and Reykjavik Keflavik Intl Airport are separated by a distance of 3365 km.

  • 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
Keflavik
Hveragerdi
Grindavik

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Alternative routes for St John to Keflavik Intl

See prices for flight routes from nearby airports that may be better suited for you.
Fredericton to Keflavik Intl flights
Moncton to Keflavik Intl flights

Fly with Cheapflights

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How does Cheapflights help users find flights from St John to Keflavik Intl?

When you search for this flight from St John to Keflavik Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from St John to Keflavik Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Keflavik Intl from St John.

Can Cheapflights find flights from St John to Keflavik Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from St John to Keflavik Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from St John to Keflavik Intl become cheaper?

Not ready to book yet? You can track prices for flights from St John to Keflavik Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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