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Cheap flights from Seattle to Saint Croix from $352

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 4/13. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:16 pm - 4:13 pm
SEA
-
STX
14h 57m
1 stop
American Airlines Logo
5:14 pm - 10:14 am
STX
-
SEA
20h 00m
2 stops
$352American Airlines
Mon, Apr 13 - Wed, Apr 22
American Airlines Logo
12:07 am - 5:37 pm
SEA
-
STX
13h 30m
2 stops
American Airlines Logo
6:27 pm - 10:54 am
STX
-
SEA
20h 27m
2 stops
$417American Airlines
Mon, Feb 16 - Fri, Feb 20
American Airlines Logo
11:55 pm - 4:13 pm
SEA
-
STX
13h 18m
2 stops
American Airlines Logo
5:14 pm - 10:14 am
STX
-
SEA
20h 00m
2 stops
$423American Airlines
Mon, Apr 13 - Wed, Apr 22
American Airlines Logo
10:16 pm - 12:56 pm
SEA
-
STX
11h 40m
1 stop
American Airlines Logo
5:17 pm - 10:56 am
STX
-
SEA
20h 39m
2 stops
$457American Airlines
Mon, Mar 23 - Fri, Mar 27
American Airlines Logo
11:59 pm - 4:27 pm
SEA
-
STX
13h 28m
2 stops
American Airlines Logo
5:17 pm - 10:51 am
STX
-
SEA
20h 34m
2 stops
$482American Airlines
Sun, Mar 22 - Mon, Mar 30
American Airlines Logo
10:16 pm - 5:37 pm
SEA
-
STX
15h 21m
1 stop
American Airlines Logo
6:27 pm - 10:54 am
STX
-
SEA
20h 27m
2 stops
$491American Airlines
Tue, Feb 17 - Fri, Feb 20
American Airlines Logo
10:08 pm - 2:48 pm
SEA
-
STX
13h 40m
1 stop
American Airlines Logo
1:50 pm - 11:40 pm
STX
-
SEA
12h 50m
1 stop
$552American Airlines
Mon, Mar 23 - Fri, Mar 27
American Airlines Logo
12:59 am - 5:37 pm
SEA
-
STX
12h 38m
2 stops
American Airlines Logo
6:27 pm - 10:55 am
STX
-
SEA
20h 28m
2 stops
$556American Airlines
Tue, Feb 17 - Sun, Feb 22
American Airlines Logo
10:16 pm - 5:37 pm
SEA
-
STX
15h 21m
1 stop
American Airlines Logo
6:27 pm - 10:55 am
STX
-
SEA
20h 28m
2 stops
$621American Airlines
Wed, Feb 18 - Sun, Feb 22
American Airlines Logo
11:58 pm - 8:29 pm
SEA
-
STX
17h 31m
2 stops
American Airlines Logo
8:00 am - 11:59 pm
STX
-
SEA
18h 59m
1 stop
$636American Airlines
Tue, May 26 - Sat, May 30

American Airlines flights from Seattle to Saint Croix

Our best American Airlines deals on Seattle to Saint Croix flight tickets
American Airlines
Apr 13
SEA10:16 pmSeattle/Tacoma Intl
14h 57m
1 stop
STX4:13 pmChristiansted Henry Rohlsen
Apr 22
STX5:14 pmChristiansted Henry Rohlsen
20h 00m
2 stops
SEA10:14 amSeattle/Tacoma Intl
$352
American Airlines
Feb 16
SEA12:07 amSeattle/Tacoma Intl
13h 30m
2 stops
STX5:37 pmChristiansted Henry Rohlsen
Feb 20
STX6:27 pmChristiansted Henry Rohlsen
20h 27m
2 stops
SEA10:54 amSeattle/Tacoma Intl
$417
American Airlines
Apr 13
SEA11:55 pmSeattle/Tacoma Intl
13h 18m
2 stops
STX4:13 pmChristiansted Henry Rohlsen
Apr 22
STX5:14 pmChristiansted Henry Rohlsen
20h 00m
2 stops
SEA10:14 amSeattle/Tacoma Intl
$423

United Airlines flights from Seattle to Saint Croix

Our best United Airlines deals on Seattle to Saint Croix flight tickets
United Airlines
May 26
SEA6:30 amSeattle/Tacoma Intl
23h 25m
3 stops
STX8:55 amChristiansted Henry Rohlsen
May 30
STX10:25 amChristiansted Henry Rohlsen
40h 34m
2 stops
SEA11:59 pmSeattle/Tacoma Intl
$1,611
United Airlines
Mar 22
SEA8:00 amSeattle/Tacoma Intl
21h 55m
3 stops
STX8:55 amChristiansted Henry Rohlsen
Mar 30
STX10:20 amChristiansted Henry Rohlsen
15h 17m
2 stops
SEA10:37 pmSeattle/Tacoma Intl
$1,684
United Airlines
May 26
SEA6:30 amSeattle/Tacoma Intl
23h 25m
3 stops
STX8:55 amChristiansted Henry Rohlsen
May 30
STX3:14 pmChristiansted Henry Rohlsen
49h 44m
3 stops
SEA1:58 pmSeattle/Tacoma Intl
$1,840

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 February 3, 2026.
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

Mon 4/13

10:16 pm-4:13 pm

1 stop14h 57m

Christiansted Henry Rohlsen

Wed 4/22

5:14 pm-10:14 am

2 stops20h 00m

$352

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Mon 2/16

12:07 am-5:37 pm

2 stops13h 30m

Christiansted Henry Rohlsen

Fri 2/20

6:27 pm-10:54 am

2 stops20h 27m

$417

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Mon 4/13

11:55 pm-4:13 pm

2 stops13h 18m

Christiansted Henry Rohlsen

Wed 4/22

5:14 pm-10:14 am

2 stops20h 00m

$423

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Mon 3/23

10:16 pm-12:56 pm

1 stop11h 40m

Christiansted Henry Rohlsen

Fri 3/27

5:17 pm-10:56 am

2 stops20h 39m

$457

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Sun 3/22

11:59 pm-4:27 pm

2 stops13h 28m

Christiansted Henry Rohlsen

Mon 3/30

5:17 pm-10:51 am

2 stops20h 34m

$482

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Tue 2/17

10:16 pm-5:37 pm

1 stop15h 21m

Christiansted Henry Rohlsen

Fri 2/20

6:27 pm-10:54 am

2 stops20h 27m

$491

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Mon 3/23

10:08 pm-2:48 pm

1 stop13h 40m

Christiansted Henry Rohlsen

Fri 3/27

1:50 pm-11:40 pm

1 stop12h 50m

$552

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Tue 2/17

12:59 am-5:37 pm

2 stops12h 38m

Christiansted Henry Rohlsen

Sun 2/22

6:27 pm-10:55 am

2 stops20h 28m

$556

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Wed 2/18

10:16 pm-5:37 pm

1 stop15h 21m

Christiansted Henry Rohlsen

Sun 2/22

6:27 pm-10:55 am

2 stops20h 28m

$621

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Tue 5/26

11:58 pm-8:29 pm

2 stops17h 31m

Christiansted Henry Rohlsen

Sat 5/30

8:00 am-11:59 pm

1 stop18h 59m

$636

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Can stopping save me money on Seattle to Saint Croix flights?

You could potentially save up to 7% on your flight if you consider stops on a Seattle to Saint Croix flight.

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

10h 48m

Direct flights

None
The fastest flight from Seattle to Saint Croix takes 10h 48m
There are no direct flights from Seattle to Saint Croix. There are no popular flight routes from Seattle to Saint Croix.
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  • 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
American AirlinesPriceFrom $474Free CancellationRating
7.2
11,216 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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