Icelandair Flight AC603 Deals & Information (2025/2026)

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Icelandair Flight 603 Route Deals From $408

The cheapest prices found with in the last 7 days for return flights were $548 and $408 for one-way flights to Pearson Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 25 - Sat, Nov 1
KEF
Keflavik Intl.
YYZ
Pearson Intl.
$548 Roundtrip, found 1 day ago
$548
Roundtrip
found 1 day ago
Select Icelandair flight, departing Sat, Oct 25 from Keflavik Intl. to Pearson Intl., returning Sat, Nov 1, priced at $548 found 1 day ago
Thu, Mar 19 - Thu, Mar 26
KEF
Keflavik Intl.
YYZ
Pearson Intl.
$549 Roundtrip, found 4 days ago
$549
Roundtrip
found 4 days ago
Select Icelandair flight, departing Thu, Mar 19 from Keflavik Intl. to Pearson Intl., returning Thu, Mar 26, priced at $549 found 4 days ago
Thu, Sep 18 - Tue, Sep 23
KEF
Keflavik Intl.
YYZ
Pearson Intl.
$562 Roundtrip, found 6 days ago
$562
Roundtrip
found 6 days ago
Select Icelandair flight, departing Thu, Sep 18 from Keflavik Intl. to Pearson Intl., returning Tue, Sep 23, priced at $562 found 6 days ago
Sun, Aug 17 - Sat, Aug 23
KEF
Keflavik Intl.
YYZ
Pearson Intl.
$583 Roundtrip, found 1 day ago
$583
Roundtrip
found 1 day ago
Select Icelandair flight, departing Sun, Aug 17 from Keflavik Intl. to Pearson Intl., returning Sat, Aug 23, priced at $583 found 1 day ago
Sat, Aug 9 - Sat, Aug 16
KEF
Keflavik Intl.
YYZ
Pearson Intl.
$599 Roundtrip, found 5 days ago
$599
Roundtrip
found 5 days ago
Select Icelandair flight, departing Sat, Aug 9 from Keflavik Intl. to Pearson Intl., returning Sat, Aug 16, priced at $599 found 5 days ago
Thu, Mar 19 - Thu, Mar 26
KEF
Keflavik Intl.
YYZ
Pearson Intl.
$631 Roundtrip, found 4 days ago
$631
Roundtrip
found 4 days ago
Select Icelandair flight, departing Thu, Mar 19 from Keflavik Intl. to Pearson Intl., returning Thu, Mar 26, priced at $631 found 4 days ago
Sat, Aug 23 - Sat, Aug 30
KEF
Keflavik Intl.
YYZ
Pearson Intl.
$645 Roundtrip, found 1 day ago
$645
Roundtrip
found 1 day ago
Select Icelandair flight, departing Sat, Aug 23 from Keflavik Intl. to Pearson Intl., returning Sat, Aug 30, priced at $645 found 1 day ago
Sun, Aug 24 - Sun, Aug 31
KEF
Keflavik Intl.
YYZ
Pearson Intl.
$665 Roundtrip, found 6 days ago
$665
Roundtrip
found 6 days ago
Select Icelandair flight, departing Sun, Aug 24 from Keflavik Intl. to Pearson Intl., returning Sun, Aug 31, priced at $665 found 6 days ago
Sat, Aug 9 - Sat, Aug 16
KEF
Keflavik Intl.
YYZ
Pearson Intl.
$681 Roundtrip, found 5 days ago
$681
Roundtrip
found 5 days ago
Select Icelandair flight, departing Sat, Aug 9 from Keflavik Intl. to Pearson Intl., returning Sat, Aug 16, priced at $681 found 5 days ago
Wed, Jul 9 - Sun, Jul 13
KEF
Keflavik Intl.
YYZ
Pearson Intl.
$724 Roundtrip, found 21 hours ago
$724
Roundtrip
found 21 hours ago
Select Icelandair flight, departing Wed, Jul 9 from Keflavik Intl. to Pearson Intl., returning Sun, Jul 13, priced at $724 found 21 hours ago

Frequently asked questions

What route does flight number FI603 take?
FI603 takes 6 hours and 5 minutes to fly directly from Reykjavík--Keflavík Airport to YYZ. We all know there's magic in the destination, but the journey is always half the fun!
What kind of plane is on flight number FI603?
You're likely to be cruising aboard the Boeing 767-300 if you're traveling on flight number FI603. This flight almost always departs from KEF and arrives at YYZ.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your FI603 flight with Travelocity, please visit our Customer Service Portal.