Flights From Seattle (SEA) to Castries (SLU)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Selected fares from Seattle to Castries

The cheapest prices found with in the last 7 days for return flights were CA $712 and CA $297 for one-way flights to Castries for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon., 17 Mar. - Mon., 24 Mar.
SEA
Seattle - Tacoma Intl.
UVF
Hewanorra Intl.
CA $712 Roundtrip, found 5 days ago
CA $712
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon., 17 Mar. from Seattle - Tacoma Intl. to Hewanorra Intl., returning Mon., 24 Mar., priced at CA $712 found 5 days ago
American Airlines
Mon., 17 Mar. - Mon., 24 Mar.
SEA
Seattle - Tacoma Intl.
UVF
Hewanorra Intl.
CA $827 Roundtrip, found 5 days ago
CA $827
Roundtrip
found 5 days ago
Select American Airlines flight, departing Mon., 17 Mar. from Seattle - Tacoma Intl. to Hewanorra Intl., returning Mon., 24 Mar., priced at CA $827 found 5 days ago
JetBlue Airways
Mon., 24 Mar. - Wed., 2 Apr.
SEA
Seattle - Tacoma Intl.
UVF
Hewanorra Intl.
CA $916 Roundtrip, found 3 days ago
CA $916
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Mon., 24 Mar. from Seattle - Tacoma Intl. to Hewanorra Intl., returning Wed., 2 Apr., priced at CA $916 found 3 days ago

Save more with Castries Flight + Hotel packages

Price found within the past 48 hours. Click for updated prices.
Coco Palm

Coco Palm

3.5 out of 5
Save 100% on your flight
per person
Apr. 29 - May 5
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Vieux Fort (UVF)
Ladera Resort - Adults Only

Ladera Resort - Adults Only

5 out of 5
Save 100% on your flight
per person
Apr. 29 - May 5
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Vieux Fort (UVF)
Caille Blanc Villa & Hotel - Adults Only

Caille Blanc Villa & Hotel - Adults Only

4.5 out of 5
Save 100% on your flight
per person
Apr. 29 - May 5
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Vieux Fort (UVF)
Bay Gardens Beach Resort and Spa

Bay Gardens Beach Resort and Spa

4 out of 5
Save 100% on your flight
per person
Apr. 29 - May 5
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Vieux Fort (UVF)
Bel Jou Hotel – Adults Only – All Inclusive

Bel Jou Hotel – Adults Only – All Inclusive

3.5 out of 5
Save 100% on your flight
per person
Apr. 29 - May 5
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Vieux Fort (UVF)
Zoetry Marigot Bay - All Inclusive

Zoetry Marigot Bay - All Inclusive

5 out of 5
Save 100% on your flight
per person
Apr. 29 - May 5
found 1 day ago
Roundtrip non-stop flight included
Seattle (SEA) to Vieux Fort (UVF)
Don't see what you're looking for?
See all available trips from Seattle to Castries
View all trips