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Cheap flights from Seattle to Saint Croix from $372

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Saint Croix departing on 6/23. 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
5:10 am - 8:45 pm
SEA
-
STX
12h 35m
2 stops
American Airlines Logo
9:01 am - 12:08 am
STX
-
SEA
18h 07m
1 stop
$608American Airlines
Sat, May 30 - Mon, Jun 8
American Airlines Logo
5:10 am - 8:45 pm
SEA
-
STX
12h 35m
2 stops
American Airlines Logo
3:46 pm - 12:08 am
STX
-
SEA
11h 22m
1 stop
$616American Airlines
Sat, May 30 - Tue, Jun 9
American Airlines Logo
12:59 am - 9:14 pm
SEA
-
STX
17h 15m
2 stops
American Airlines Logo
9:00 am - 12:08 am
STX
-
SEA
18h 08m
1 stop
$648American Airlines
Tue, May 19 - Sun, May 24
American Airlines Logo
5:10 am - 8:45 pm
SEA
-
STX
12h 35m
2 stops
American Airlines Logo
3:46 pm - 12:08 am
STX
-
SEA
11h 22m
1 stop
$656American Airlines
Sat, May 30 - Tue, Jun 9
American Airlines Logo
8:35 pm - 3:04 pm
SEA
-
STX
15h 29m
1 stop
American Airlines Logo
3:54 pm - 12:20 am
STX
-
SEA
11h 26m
1 stop
$676American Airlines
Thu, Aug 13 - Tue, Aug 25
American Airlines Logo
5:05 am - 8:38 pm
SEA
-
STX
12h 33m
2 stops
American Airlines Logo
3:54 pm - 12:20 am
STX
-
SEA
11h 26m
1 stop
$680American Airlines
Thu, Aug 13 - Tue, Aug 25
American Airlines Logo
5:10 am - 8:44 pm
SEA
-
STX
12h 34m
2 stops
American Airlines Logo
9:01 am - 12:08 am
STX
-
SEA
18h 07m
1 stop
$685American Airlines
Wed, Jun 17 - Wed, Jun 24
American Airlines Logo
11:10 pm - 12:50 pm
SEA
-
STX
10h 40m
1 stop
American Airlines Logo
3:52 pm - 11:40 pm
STX
-
SEA
11h 48m
1 stop
$696American Airlines
Tue, Oct 27 - Mon, Nov 2
American Airlines Logo
12:49 am - 8:44 pm
SEA
-
STX
16h 55m
2 stops
American Airlines Logo
9:01 am - 12:08 am
STX
-
SEA
18h 07m
1 stop
$700American Airlines
Mon, Jun 15 - Wed, Jun 24
American Airlines Logo
12:49 am - 8:45 pm
SEA
-
STX
16h 56m
2 stops
American Airlines Logo
3:46 pm - 12:08 am
STX
-
SEA
11h 22m
1 stop
$701American Airlines
Fri, May 29 - Tue, Jun 9

American Airlines flights from Seattle to Saint Croix

Our best American Airlines deals on Seattle to Saint Croix flight tickets
American Airlines
May 30
SEA5:10 amSeattle/Tacoma Intl
12h 35m
2 stops
STX8:45 pmChristiansted Henry Rohlsen
Jun 8
STX9:01 amChristiansted Henry Rohlsen
18h 07m
1 stop
SEA12:08 amSeattle/Tacoma Intl
$608
American Airlines
May 30
SEA5:10 amSeattle/Tacoma Intl
12h 35m
2 stops
STX8:45 pmChristiansted Henry Rohlsen
Jun 9
STX3:46 pmChristiansted Henry Rohlsen
11h 22m
1 stop
SEA12:08 amSeattle/Tacoma Intl
$616
American Airlines
May 19
SEA12:59 amSeattle/Tacoma Intl
17h 15m
2 stops
STX9:14 pmChristiansted Henry Rohlsen
May 24
STX9:00 amChristiansted Henry Rohlsen
18h 08m
1 stop
SEA12:08 amSeattle/Tacoma Intl
$648

JetBlue flights from Seattle to Saint Croix

Our best JetBlue deals on Seattle to Saint Croix flight tickets
JetBlue
May 30
SEA11:39 pmSeattle/Tacoma Intl
12h 07m
2 stops
STX2:46 pmChristiansted Henry Rohlsen
Jun 9
STX3:45 pmChristiansted Henry Rohlsen
58h 04m
2 stops
SEA10:49 pmSeattle/Tacoma Intl
$713
JetBlue
Jun 4
SEA11:52 pmSeattle/Tacoma Intl
34h 42m
2 stops
STX1:34 pmChristiansted Henry Rohlsen
Jun 15
STX4:34 pmChristiansted Henry Rohlsen
21h 01m
2 stops
SEA10:35 amSeattle/Tacoma Intl
$717
JetBlue
May 29
SEA11:52 pmSeattle/Tacoma Intl
35h 54m
2 stops
STX2:46 pmChristiansted Henry Rohlsen
Jun 9
STX3:45 pmChristiansted Henry Rohlsen
58h 04m
2 stops
SEA10:49 pmSeattle/Tacoma Intl
$719

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 May 9, 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

Sat 5/30

5:10 am-8:45 pm

2 stops12h 35m

Christiansted Henry Rohlsen

Mon 6/8

9:01 am-12:08 am

1 stop18h 07m

$608

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Sat 5/30

5:10 am-8:45 pm

2 stops12h 35m

Christiansted Henry Rohlsen

Tue 6/9

3:46 pm-12:08 am

1 stop11h 22m

$616

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Tue 5/19

12:59 am-9:14 pm

2 stops17h 15m

Christiansted Henry Rohlsen

Sun 5/24

9:00 am-12:08 am

1 stop18h 08m

$648

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Sat 5/30

5:10 am-8:45 pm

2 stops12h 35m

Christiansted Henry Rohlsen

Tue 6/9

3:46 pm-12:08 am

1 stop11h 22m

$656

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Thu 8/13

8:35 pm-3:04 pm

1 stop15h 29m

Christiansted Henry Rohlsen

Tue 8/25

3:54 pm-12:20 am

1 stop11h 26m

$676

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Thu 8/13

5:05 am-8:38 pm

2 stops12h 33m

Christiansted Henry Rohlsen

Tue 8/25

3:54 pm-12:20 am

1 stop11h 26m

$680

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Wed 6/17

5:10 am-8:44 pm

2 stops12h 34m

Christiansted Henry Rohlsen

Wed 6/24

9:01 am-12:08 am

1 stop18h 07m

$685
Quickest round-trip

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Tue 10/27

11:10 pm-12:50 pm

1 stop10h 40m

Christiansted Henry Rohlsen

Mon 11/2

3:52 pm-11:40 pm

1 stop11h 48m

$696

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Mon 6/15

12:49 am-8:44 pm

2 stops16h 55m

Christiansted Henry Rohlsen

Wed 6/24

9:01 am-12:08 am

1 stop18h 07m

$700

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Fri 5/29

12:49 am-8:45 pm

2 stops16h 56m

Christiansted Henry Rohlsen

Tue 6/9

3:46 pm-12:08 am

1 stop11h 22m

$701

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 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

11h 54m

Direct flights

None
The fastest flight from Seattle to Saint Croix takes 11h 54m
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
11,667 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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