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Cheap flights from Seattle to Saint Croix from $444

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 8/13. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
5:00 am - 8:43 pm
SEA
-
STX
12h 43m
2 stops
American Airlines Logo
8:04 am - 8:52 pm
STX
-
SEA
15h 48m
2 stops
$444American Airlines
Thu, Aug 13 - Tue, Aug 25
American Airlines Logo
8:21 pm - 3:04 pm
SEA
-
STX
15h 43m
1 stop
American Airlines Logo
8:04 am - 12:20 am
STX
-
SEA
19h 16m
1 stop
$460American Airlines
Thu, Aug 13 - Tue, Aug 25
American Airlines Logo
5:00 am - 8:43 pm
SEA
-
STX
12h 43m
2 stops
American Airlines Logo
3:54 pm - 12:20 am
STX
-
SEA
11h 26m
1 stop
$464American Airlines
Thu, Aug 13 - Tue, Aug 25
American Airlines Logo
11:56 pm - 8:43 pm
SEA
-
STX
17h 47m
2 stops
American Airlines Logo
5:01 pm - 10:09 am
STX
-
SEA
20h 08m
2 stops
$479American Airlines
Sat, Sep 5 - Sat, Sep 12
American Airlines Logo
8:21 pm - 3:04 pm
SEA
-
STX
15h 43m
1 stop
American Airlines Logo
8:04 am - 12:20 am
STX
-
SEA
19h 16m
1 stop
$482American Airlines
Thu, Aug 13 - Tue, Aug 25
American Airlines Logo
11:56 pm - 8:43 pm
SEA
-
STX
17h 47m
2 stops
American Airlines Logo
5:01 pm - 9:25 am
STX
-
SEA
19h 24m
2 stops
$499American Airlines
Sat, Sep 5 - Sat, Sep 12
American Airlines Logo
8:47 pm - 8:43 pm
SEA
-
STX
20h 56m
1 stop
American Airlines Logo
5:01 pm - 10:09 am
STX
-
SEA
20h 08m
2 stops
$547American Airlines
Sat, Sep 5 - Sat, Sep 12
American Airlines Logo
3:28 pm - 4:00 pm
SEA
-
STX
21h 32m
2 stops
American Airlines Logo
3:50 pm - 10:36 am
STX
-
SEA
21h 46m
2 stops
$619American Airlines
Fri, Jul 24 - Thu, Jul 30
American Airlines Logo
3:28 pm - 4:00 pm
SEA
-
STX
21h 32m
2 stops
American Airlines Logo
3:50 pm - 10:36 am
STX
-
SEA
21h 46m
2 stops
$643American Airlines
Fri, Jul 24 - Thu, Jul 30
American Airlines Logo
6:15 pm - 8:50 pm
SEA
-
STX
23h 35m
2 stops
American Airlines Logo
9:00 am - 10:36 am
STX
-
SEA
28h 36m
2 stops
$654American Airlines
Sat, Jul 25 - Thu, Jul 30

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United Airlines flights from Seattle to Saint Croix

Our best United Airlines deals on Seattle to Saint Croix flight tickets
United Airlines
Jul 24
SEA11:11 pmSeattle/Tacoma Intl
14h 59m
2 stops
STX5:10 pmChristiansted Henry Rohlsen
Jul 30
STX9:59 amChristiansted Henry Rohlsen
16h 11m
3 stops
SEA11:10 pmSeattle/Tacoma Intl
$1,152
United Airlines
Jul 24
SEA11:11 pmSeattle/Tacoma Intl
14h 59m
2 stops
STX5:10 pmChristiansted Henry Rohlsen
Jul 30
STX9:59 amChristiansted Henry Rohlsen
18h 16m
3 stops
SEA1:15 amSeattle/Tacoma Intl
$1,284
United Airlines
Jul 17
SEA11:49 pmSeattle/Tacoma Intl
14h 21m
2 stops
STX5:10 pmChristiansted Henry Rohlsen
Jul 24
STX9:59 amChristiansted Henry Rohlsen
18h 30m
3 stops
SEA1:29 amSeattle/Tacoma Intl
$1,392

American Airlines flights from Seattle to Saint Croix

Our best American Airlines deals on Seattle to Saint Croix flight tickets
American Airlines
Aug 13
SEA5:00 amSeattle/Tacoma Intl
12h 43m
2 stops
STX8:43 pmChristiansted Henry Rohlsen
Aug 25
STX8:04 amChristiansted Henry Rohlsen
15h 48m
2 stops
SEA8:52 pmSeattle/Tacoma Intl
$444
American Airlines
Aug 13
SEA8:21 pmSeattle/Tacoma Intl
15h 43m
1 stop
STX3:04 pmChristiansted Henry Rohlsen
Aug 25
STX8:04 amChristiansted Henry Rohlsen
19h 16m
1 stop
SEA12:20 amSeattle/Tacoma Intl
$460
American Airlines
Aug 13
SEA5:00 amSeattle/Tacoma Intl
12h 43m
2 stops
STX8:43 pmChristiansted Henry Rohlsen
Aug 25
STX3:54 pmChristiansted Henry Rohlsen
11h 26m
1 stop
SEA12:20 amSeattle/Tacoma Intl
$464

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 June 21, 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

Cheapest round-trip

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Thu 8/13

5:00 am-8:43 pm

2 stops12h 43m

Christiansted Henry Rohlsen

Tue 8/25

8:04 am-8:52 pm

2 stops15h 48m

$444

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Thu 8/13

8:21 pm-3:04 pm

1 stop15h 43m

Christiansted Henry Rohlsen

Tue 8/25

8:04 am-12:20 am

1 stop19h 16m

$460
Quickest round-trip

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Thu 8/13

5:00 am-8:43 pm

2 stops12h 43m

Christiansted Henry Rohlsen

Tue 8/25

3:54 pm-12:20 am

1 stop11h 26m

$464

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Sat 9/5

11:56 pm-8:43 pm

2 stops17h 47m

Christiansted Henry Rohlsen

Sat 9/12

5:01 pm-10:09 am

2 stops20h 08m

$479

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Thu 8/13

8:21 pm-3:04 pm

1 stop15h 43m

Christiansted Henry Rohlsen

Tue 8/25

8:04 am-12:20 am

1 stop19h 16m

$482

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Sat 9/5

11:56 pm-8:43 pm

2 stops17h 47m

Christiansted Henry Rohlsen

Sat 9/12

5:01 pm-9:25 am

2 stops19h 24m

$499

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Sat 9/5

8:47 pm-8:43 pm

1 stop20h 56m

Christiansted Henry Rohlsen

Sat 9/12

5:01 pm-10:09 am

2 stops20h 08m

$547

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Fri 7/24

3:28 pm-4:00 pm

2 stops21h 32m

Christiansted Henry Rohlsen

Thu 7/30

3:50 pm-10:36 am

2 stops21h 46m

$619

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Fri 7/24

3:28 pm-4:00 pm

2 stops21h 32m

Christiansted Henry Rohlsen

Thu 7/30

3:50 pm-10:36 am

2 stops21h 46m

$643

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Sat 7/25

6:15 pm-8:50 pm

2 stops23h 35m

Christiansted Henry Rohlsen

Thu 7/30

9:00 am-10:36 am

2 stops28h 36m

$654

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 month to fly to Saint Croix?

The month of April is another great option to travel to Saint Croix, with average flight prices from Seattle averaging around $380.

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

You could potentially save up to 53% 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

13h 55m

Direct flights

None
The fastest flight from Seattle to Saint Croix takes 13h 55m
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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Frequently asked questions about flying from Seattle to Saint Croix

  • 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 $380Free CancellationRating
7.1
11,726 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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