
Flights from Seattle to St. Lawrence Seaway
Cheapest flights from Seattle
These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 4 - Mon, Oct 6
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$314 Roundtrip, just found
$314
Roundtrip
just found

Wed, Oct 1 - Mon, Oct 13
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$327 Roundtrip, just found
$327
Roundtrip
just found

Wed, Oct 1 - Tue, Oct 7
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$337 Roundtrip, just found
$337
Roundtrip
just found

Sat, Oct 4 - Mon, Oct 6
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$339 Roundtrip, just found
$339
Roundtrip
just found

Wed, Oct 1 - Wed, Oct 8
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$340 Roundtrip, just found
$340
Roundtrip
just found

Mon, Oct 6 - Mon, Oct 13
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$347 Roundtrip, just found
$347
Roundtrip
just found

Wed, Oct 1 - Sat, Oct 11
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$350 Roundtrip, just found
$350
Roundtrip
just found

Wed, Oct 1 - Sun, Oct 12
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$356 Roundtrip, just found
$356
Roundtrip
just found

Sun, Oct 5 - Mon, Oct 13
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$357 Roundtrip, just found
$357
Roundtrip
just found

Wed, Oct 1 - Mon, Oct 6
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$358 Roundtrip, just found
$358
Roundtrip
just found

Wed, Oct 1 - Thu, Oct 9
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$360 Roundtrip, just found
$360
Roundtrip
just found

Mon, Oct 6 - Wed, Oct 8
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$367 Roundtrip, just found
$367
Roundtrip
just found

Mon, Oct 6 - Sat, Oct 11
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$370 Roundtrip, just found
$370
Roundtrip
just found

Sat, Oct 4 - Wed, Oct 8
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$373 Roundtrip, just found
$373
Roundtrip
just found

Sat, Oct 4 - Sat, Oct 11
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$374 Roundtrip, just found
$374
Roundtrip
just found

Mon, Oct 6 - Sun, Oct 12
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$376 Roundtrip, just found
$376
Roundtrip
just found

Wed, Oct 1 - Sun, Oct 5
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$378 Roundtrip, just found
$378
Roundtrip
just found

Mon, Oct 6 - Thu, Oct 9
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$380 Roundtrip, just found
$380
Roundtrip
just found

Sat, Oct 4 - Mon, Oct 6
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$405 Roundtrip, just found
$405
Roundtrip
just found

Sat, Oct 4 - Mon, Oct 6
SEA
Seattle - Tacoma Intl.
SYR
Hancock Intl.
$552 Roundtrip, just found
$552
Roundtrip
just found