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Cheap flights from Seattle to Saint Croix from $393

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Saint Croix departing on 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Saint Croix

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:11 pm - 2:16 pm
SEA
-
STX
12h 05m1 stop
American Airlines Logo
3:06 pm - 11:42 pm
STX
-
SEA
12h 36m1 stop
$393American Airlines
Thu, Feb 26 - Thu, Mar 5
American Airlines Logo
10:11 pm - 4:52 pm
SEA
-
STX
14h 41m1 stop
American Airlines Logo
5:42 pm - 11:00 am
STX
-
SEA
21h 18m2 stops
$397American Airlines
Thu, Feb 26 - Thu, Mar 5
American Airlines Logo
6:26 pm - 2:16 pm
SEA
-
STX
15h 50m2 stops
American Airlines Logo
3:06 pm - 9:38 am
STX
-
SEA
22h 32m2 stops
$434American Airlines
Thu, Feb 26 - Thu, Mar 5
American Airlines Logo
11:11 pm - 5:05 pm
SEA
-
STX
13h 54m1 stop
American Airlines Logo
3:06 pm - 9:38 am
STX
-
SEA
22h 32m2 stops
$436American Airlines
Sat, Jan 31 - Sat, Feb 28
American Airlines Logo
9:45 pm - 3:29 pm
SEA
-
STX
13h 44m1 stop
American Airlines Logo
8:30 am - 11:42 pm
STX
-
SEA
19h 12m1 stop
$469American Airlines
Wed, Jan 21 - Thu, Jan 29
American Airlines Logo
6:00 am - 9:31 pm
SEA
-
STX
11h 31m2 stops
American Airlines Logo
8:30 am - 9:59 pm
STX
-
SEA
17h 29m2 stops
$473American Airlines
Wed, Jan 21 - Thu, Jan 29
American Airlines Logo
10:06 pm - 2:39 pm
SEA
-
STX
12h 33m1 stop
American Airlines Logo
8:30 am - 11:42 pm
STX
-
SEA
19h 12m1 stop
$612American Airlines
Wed, Dec 31 - Sat, Jan 10
American Airlines Logo
10:06 pm - 2:39 pm
SEA
-
STX
12h 33m1 stop
American Airlines Logo
6:09 pm - 9:30 am
STX
-
SEA
19h 21m2 stops
$616American Airlines
Wed, Dec 31 - Sat, Jan 10
American Airlines Logo
10:06 pm - 2:39 pm
SEA
-
STX
12h 33m1 stop
American Airlines Logo
8:30 am - 11:42 pm
STX
-
SEA
19h 12m1 stop
$659American Airlines
Wed, Dec 31 - Sat, Jan 10
American Airlines Logo
10:06 pm - 2:39 pm
SEA
-
STX
12h 33m1 stop
American Airlines Logo
8:30 am - 10:20 pm
STX
-
SEA
17h 50m2 stops
$663American Airlines
Wed, Dec 31 - Sat, Jan 10

American Airlines flights from Seattle to Saint Croix

Our best American Airlines deals on Seattle to Saint Croix flight tickets
American Airlines
Feb 26
SEA10:11 pmSeattle/Tacoma Intl
12h 05m
1 stop
STX2:16 pmChristiansted Henry Rohlsen
Mar 5
STX3:06 pmChristiansted Henry Rohlsen
12h 36m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
$393
Find similar
American Airlines
Feb 26
SEA10:11 pmSeattle/Tacoma Intl
14h 41m
1 stop
STX4:52 pmChristiansted Henry Rohlsen
Mar 5
STX5:42 pmChristiansted Henry Rohlsen
21h 18m
2 stops
SEA11:00 amSeattle/Tacoma Intl
$397
Find similar
American Airlines
Feb 26
SEA6:26 pmSeattle/Tacoma Intl
15h 50m
2 stops
STX2:16 pmChristiansted Henry Rohlsen
Mar 5
STX3:06 pmChristiansted Henry Rohlsen
22h 32m
2 stops
SEA9:38 amSeattle/Tacoma Intl
$434
Find similar

United Airlines flights from Seattle to Saint Croix

Our best United Airlines deals on Seattle to Saint Croix flight tickets
United Airlines
May 4
SEA7:00 pmSeattle/Tacoma Intl
34h 55m
3 stops
STX8:55 amChristiansted Henry Rohlsen
May 11
STX8:30 amChristiansted Henry Rohlsen
33h 48m
2 stops
SEA3:18 pmSeattle/Tacoma Intl
$1,086
Find similar
United Airlines
Jan 31
SEA12:40 pmSeattle/Tacoma Intl
40h 15m
3 stops
STX8:55 amChristiansted Henry Rohlsen
Feb 28
STX8:30 amChristiansted Henry Rohlsen
19h 21m
2 stops
SEA11:51 pmSeattle/Tacoma Intl
$1,190
Find similar
United Airlines
Feb 26
SEA12:43 pmSeattle/Tacoma Intl
24h 32m
3 stops
STX5:15 pmChristiansted Henry Rohlsen
Mar 5
STX8:30 amChristiansted Henry Rohlsen
18h 29m
2 stops
SEA10:59 pmSeattle/Tacoma Intl
$1,395
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Saint Croix 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Seattle to Saint Croix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Thu 2/26

10:11 pm-2:16 pm

1 stop12h 05m

Christiansted Henry Rohlsen

Thu 3/5

3:06 pm-11:42 pm

1 stop12h 36m

$393

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Thu 2/26

10:11 pm-4:52 pm

1 stop14h 41m

Christiansted Henry Rohlsen

Thu 3/5

5:42 pm-11:00 am

2 stops21h 18m

$397

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Thu 2/26

6:26 pm-2:16 pm

2 stops15h 50m

Christiansted Henry Rohlsen

Thu 3/5

3:06 pm-9:38 am

2 stops22h 32m

$434

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Sat 1/31

11:11 pm-5:05 pm

1 stop13h 54m

Christiansted Henry Rohlsen

Sat 2/28

3:06 pm-9:38 am

2 stops22h 32m

$436

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Wed 1/21

9:45 pm-3:29 pm

1 stop13h 44m

Christiansted Henry Rohlsen

Thu 1/29

8:30 am-11:42 pm

1 stop19h 12m

$469

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Wed 1/21

6:00 am-9:31 pm

2 stops11h 31m

Christiansted Henry Rohlsen

Thu 1/29

8:30 am-9:59 pm

2 stops17h 29m

$473

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Wed 12/31

10:06 pm-2:39 pm

1 stop12h 33m

Christiansted Henry Rohlsen

Sat 1/10

8:30 am-11:42 pm

1 stop19h 12m

$612

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Wed 12/31

10:06 pm-2:39 pm

1 stop12h 33m

Christiansted Henry Rohlsen

Sat 1/10

6:09 pm-9:30 am

2 stops19h 21m

$616

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Wed 12/31

10:06 pm-2:39 pm

1 stop12h 33m

Christiansted Henry Rohlsen

Sat 1/10

8:30 am-11:42 pm

1 stop19h 12m

$659

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Wed 12/31

10:06 pm-2:39 pm

1 stop12h 33m

Christiansted Henry Rohlsen

Sat 1/10

8:30 am-10:20 pm

2 stops17h 50m

$663

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Saint Croix from

How to get the cheapest flight ticket from Seattle to Saint Croix

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Seattle/Tacoma Intl to Saint Croix?

American Airlines and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Saint Croix

Cheap Seattle to Saint Croix flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Saint Croix

Fastest flight time

11h 26m

Direct flights

None
The fastest flight from Seattle to Saint Croix takes 11h 26m
There are no direct flights from Seattle to Saint Croix. There are no popular flight routes from Seattle to Saint Croix.
Search flight deals

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Saint Croix?

    Prices for flights from Seattle/Tacoma Intl Airport to Saint Croix are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Saint Croix?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Saint Croix?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Saint Croix.

  • What documentation or ID do you need to fly to Saint Croix?

    The required travel and health documents for your Saint Croix trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Saint Croix. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Seattle to Saint Croix

Compare and see reviews for airlines that fly from Seattle to Saint Croix with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $394Free CancellationRating
7.9
8,005 reviews
Search Delta flights
American AirlinesPriceFrom $474Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Saint Croix?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Saint Croix. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to Saint Croix with flexible booking policies on momondo?

Yes. All flights to Saint Croix from Seattle on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Seattle to Saint Croix?

momondo provides multiple filters to help you find the best flight to Saint Croix from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Saint Croix right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Saint Croix now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Saint Croix and let you know when they change.

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