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Cheap flights from Seattle to Saint Croix from $268

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 4/22. 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

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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
10:16 pm - 4:13 pm
SEA
-
STX
14h 57m
1 stop
American Airlines Logo
5:14 pm - 12:29 pm
STX
-
SEA
22h 15m
2 stops
$380American Airlines
Mon, Apr 20 - Tue, Apr 28
American Airlines Logo
11:58 pm - 8:41 pm
SEA
-
STX
17h 43m
2 stops
American Airlines Logo
3:47 pm - 12:08 am
STX
-
SEA
11h 21m
1 stop
$465American Airlines
Tue, May 26 - Wed, Jun 3
American Airlines Logo
10:16 pm - 1:15 pm
SEA
-
STX
11h 59m
1 stop
American Airlines Logo
2:05 pm - 11:44 pm
STX
-
SEA
12h 39m
1 stop
$479American Airlines
Mon, Apr 20 - Tue, Apr 28
American Airlines Logo
10:16 pm - 4:13 pm
SEA
-
STX
14h 57m
1 stop
American Airlines Logo
2:05 pm - 11:44 pm
STX
-
SEA
12h 39m
1 stop
$502American Airlines
Mon, Apr 20 - Tue, Apr 28
American Airlines Logo
8:45 pm - 8:41 pm
SEA
-
STX
20h 56m
1 stop
American Airlines Logo
3:47 pm - 12:08 am
STX
-
SEA
11h 21m
1 stop
$528American Airlines
Tue, May 26 - Wed, Jun 3
American Airlines Logo
11:58 pm - 8:41 pm
SEA
-
STX
17h 43m
2 stops
American Airlines Logo
3:47 pm - 12:08 am
STX
-
SEA
11h 21m
1 stop
$535American Airlines
Tue, May 26 - Wed, Jun 3
American Airlines Logo
8:08 pm - 12:55 pm
SEA
-
STX
13h 47m
1 stop
American Airlines Logo
4:10 pm - 9:19 am
STX
-
SEA
20h 09m
2 stops
$536American Airlines
Thu, Aug 13 - Tue, Aug 25
American Airlines Logo
8:08 pm - 2:59 pm
SEA
-
STX
15h 51m
1 stop
American Airlines Logo
1:50 pm - 9:20 am
STX
-
SEA
22h 30m
2 stops
$538American Airlines
Sat, Sep 5 - Sat, Sep 12
American Airlines Logo
8:08 pm - 2:59 pm
SEA
-
STX
15h 51m
1 stop
American Airlines Logo
1:50 pm - 11:02 pm
STX
-
SEA
12h 12m
1 stop
$556American Airlines
Sat, Sep 5 - Sat, Sep 12
American Airlines Logo
8:08 pm - 2:59 pm
SEA
-
STX
15h 51m
1 stop
American Airlines Logo
4:10 pm - 9:19 am
STX
-
SEA
20h 09m
2 stops
$560American Airlines
Thu, Aug 13 - Tue, Aug 25

American Airlines flights from Seattle to Saint Croix

Our best American Airlines deals on Seattle to Saint Croix flight tickets
American Airlines
Apr 20
SEA10:16 pmSeattle/Tacoma Intl
14h 57m
1 stop
STX4:13 pmChristiansted Henry Rohlsen
Apr 28
STX5:14 pmChristiansted Henry Rohlsen
22h 15m
2 stops
SEA12:29 pmSeattle/Tacoma Intl
$380
American Airlines
May 26
SEA11:58 pmSeattle/Tacoma Intl
17h 43m
2 stops
STX8:41 pmChristiansted Henry Rohlsen
Jun 3
STX3:47 pmChristiansted Henry Rohlsen
11h 21m
1 stop
SEA12:08 amSeattle/Tacoma Intl
$465
American Airlines
Apr 20
SEA10:16 pmSeattle/Tacoma Intl
11h 59m
1 stop
STX1:15 pmChristiansted Henry Rohlsen
Apr 28
STX2:05 pmChristiansted Henry Rohlsen
12h 39m
1 stop
SEA11:44 pmSeattle/Tacoma Intl
$479

United Airlines flights from Seattle to Saint Croix

Our best United Airlines deals on Seattle to Saint Croix flight tickets
United Airlines
Apr 3
SEA7:05 pmSeattle/Tacoma Intl
18h 53m
3 stops
STX4:58 pmChristiansted Henry Rohlsen
Apr 7
STX10:20 amChristiansted Henry Rohlsen
16h 26m
2 stops
SEA11:46 pmSeattle/Tacoma Intl
$1,684
United Airlines
Apr 6
SEA11:35 amSeattle/Tacoma Intl
42h 20m
3 stops
STX8:55 amChristiansted Henry Rohlsen
Apr 10
STX10:20 amChristiansted Henry Rohlsen
16h 26m
2 stops
SEA11:46 pmSeattle/Tacoma Intl
$3,416
United Airlines
Apr 3
SEA7:05 pmSeattle/Tacoma Intl
18h 53m
3 stops
STX4:58 pmChristiansted Henry Rohlsen
Apr 7
STX8:30 amChristiansted Henry Rohlsen
17h 12m
3 stops
SEA10:42 pmSeattle/Tacoma Intl
$4,222

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 March 23, 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

Mon 4/20

10:16 pm-4:13 pm

1 stop14h 57m

Christiansted Henry Rohlsen

Tue 4/28

5:14 pm-12:29 pm

2 stops22h 15m

$380

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Tue 5/26

11:58 pm-8:41 pm

2 stops17h 43m

Christiansted Henry Rohlsen

Wed 6/3

3:47 pm-12:08 am

1 stop11h 21m

$465
Quickest round-trip

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Mon 4/20

10:16 pm-1:15 pm

1 stop11h 59m

Christiansted Henry Rohlsen

Tue 4/28

2:05 pm-11:44 pm

1 stop12h 39m

$479

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Mon 4/20

10:16 pm-4:13 pm

1 stop14h 57m

Christiansted Henry Rohlsen

Tue 4/28

2:05 pm-11:44 pm

1 stop12h 39m

$502

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Tue 5/26

8:45 pm-8:41 pm

1 stop20h 56m

Christiansted Henry Rohlsen

Wed 6/3

3:47 pm-12:08 am

1 stop11h 21m

$528

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Tue 5/26

11:58 pm-8:41 pm

2 stops17h 43m

Christiansted Henry Rohlsen

Wed 6/3

3:47 pm-12:08 am

1 stop11h 21m

$535

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Thu 8/13

8:08 pm-12:55 pm

1 stop13h 47m

Christiansted Henry Rohlsen

Tue 8/25

4:10 pm-9:19 am

2 stops20h 09m

$536

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Sat 9/5

8:08 pm-2:59 pm

1 stop15h 51m

Christiansted Henry Rohlsen

Sat 9/12

1:50 pm-9:20 am

2 stops22h 30m

$538

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Sat 9/5

8:08 pm-2:59 pm

1 stop15h 51m

Christiansted Henry Rohlsen

Sat 9/12

1:50 pm-11:02 pm

1 stop12h 12m

$556

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Thu 8/13

8:08 pm-2:59 pm

1 stop15h 51m

Christiansted Henry Rohlsen

Tue 8/25

4:10 pm-9:19 am

2 stops20h 09m

$560

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

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.
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
American AirlinesPriceFrom $474Free CancellationRating
7.1
11,489 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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