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Cheap flights from Seattle to Saint Croix from $235

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 11/8. 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

American Airlines Logo
9:20 pm - 5:52 pmSEA-STX
17h 32m1 stop
American Airlines Logo
4:02 pm - 11:26 pmSTX-SEA
11h 24m1 stop
$469American Airlines
Find Deal
Sat, Nov 1 - Fri, Nov 7
American Airlines Logo
10:08 pm - 5:52 pmSEA-STX
15h 44m1 stop
American Airlines Logo
6:42 pm - 9:49 amSTX-SEA
19h 07m2 stops
$473American Airlines
Find Deal
Sat, Nov 8 - Fri, Nov 14
American Airlines Logo
9:20 pm - 5:52 pmSEA-STX
17h 32m1 stop
American Airlines Logo
4:02 pm - 11:26 pmSTX-SEA
11h 24m1 stop
$514American Airlines
Find Deal
Sat, Nov 1 - Fri, Nov 7
American Airlines Logo
8:49 pm - 1:06 pmSEA-STX
13h 17m1 stop
American Airlines Logo
6:42 pm - 9:49 amSTX-SEA
19h 07m2 stops
$518American Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 14
Delta Logo
11:35 pm - 2:24 pmSEA-STX
10h 49m1 stop
Delta Logo
3:19 pm - 12:11 amSTX-SEA
12h 52m2 stops
$844Delta
Find Deal
Thu, Jan 15 - Tue, Jan 20
Delta Logo
6:10 pm - 2:24 pmSEA-STX
16h 14m2 stops
Delta Logo
3:19 pm - 12:11 amSTX-SEA
12h 52m2 stops
$1,105Delta
Find Deal
Thu, Jan 15 - Tue, Jan 20
United Airlines Logo
11:40 pm - 6:00 pmSEA-STX
15h 20m2 stops
United Airlines Logo
9:30 am - 11:29 pmSTX-SEA
16h 59m2 stops
$1,305United Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5
Multiple Airlines Logo
8:30 am - 8:55 amSEA-STX
45h 25m3 stops
Multiple Airlines Logo
5:23 pm - 10:59 amSTX-SEA
20h 36m2 stops
$1,320Multiple Airlines
Find Deal
Thu, Mar 12 - Thu, Mar 19
Multiple Airlines Logo
12:46 pm - 6:15 pmSEA-STX
25h 29m3 stops
Multiple Airlines Logo
8:00 am - 11:30 pmSTX-SEA
19h 30m2 stops
$1,399Multiple Airlines
Find Deal
Thu, Feb 12 - Thu, Feb 19
United Airlines Logo
11:40 pm - 6:00 pmSEA-STX
15h 20m2 stops
United Airlines Logo
9:30 am - 11:56 amSTX-SEA
29h 26m3 stops
$1,455United Airlines
Find Deal
Wed, Oct 1 - Sun, Oct 5

American Airlines flights from Seattle to Saint Croix

Our best American Airlines deals on Seattle to Saint Croix flight tickets
American Airlines
Nov 1
SEA9:20 pmSeattle/Tacoma Intl
17h 32m
1 stop
STX5:52 pmChristiansted Henry Rohlsen
Nov 7
STX4:02 pmChristiansted Henry Rohlsen
11h 24m
1 stop
SEA11:26 pmSeattle/Tacoma Intl
$469
Find similar
American Airlines
Nov 8
SEA10:08 pmSeattle/Tacoma Intl
15h 44m
1 stop
STX5:52 pmChristiansted Henry Rohlsen
Nov 14
STX6:42 pmChristiansted Henry Rohlsen
19h 07m
2 stops
SEA9:49 amSeattle/Tacoma Intl
$473
Find similar
American Airlines
Nov 1
SEA9:20 pmSeattle/Tacoma Intl
17h 32m
1 stop
STX5:52 pmChristiansted Henry Rohlsen
Nov 7
STX4:02 pmChristiansted Henry Rohlsen
11h 24m
1 stop
SEA11:26 pmSeattle/Tacoma Intl
$514
Find similar

United Airlines flights from Seattle to Saint Croix

Our best United Airlines deals on Seattle to Saint Croix flight tickets
United Airlines
Oct 1
SEA11:40 pmSeattle/Tacoma Intl
15h 20m
2 stops
STX6:00 pmChristiansted Henry Rohlsen
Oct 5
STX9:30 amChristiansted Henry Rohlsen
16h 59m
2 stops
SEA11:29 pmSeattle/Tacoma Intl
$1,305
Find similar
United Airlines
Oct 1
SEA11:40 pmSeattle/Tacoma Intl
15h 20m
2 stops
STX6:00 pmChristiansted Henry Rohlsen
Oct 5
STX9:30 amChristiansted Henry Rohlsen
29h 26m
3 stops
SEA11:56 amSeattle/Tacoma Intl
$1,455
Find similar
United Airlines
Oct 6
SEA1:00 pmSeattle/Tacoma Intl
26h 00m
3 stops
STX6:00 pmChristiansted Henry Rohlsen
Oct 11
STX10:34 amChristiansted Henry Rohlsen
13h 49m
2 stops
SEA9:23 pmSeattle/Tacoma Intl
$1,495
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 September 17, 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

Sat 11/1

9:20 pm-5:52 pm

1 stop17h 32m

Christiansted Henry Rohlsen

Fri 11/7

4:02 pm-11:26 pm

1 stop11h 24m

$469

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Sat 11/8

10:08 pm-5:52 pm

1 stop15h 44m

Christiansted Henry Rohlsen

Fri 11/14

6:42 pm-9:49 am

2 stops19h 07m

$473

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Sat 11/1

9:20 pm-5:52 pm

1 stop17h 32m

Christiansted Henry Rohlsen

Fri 11/7

4:02 pm-11:26 pm

1 stop11h 24m

$514

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Fri 10/31

8:49 pm-1:06 pm

1 stop13h 17m

Christiansted Henry Rohlsen

Fri 11/14

6:42 pm-9:49 am

2 stops19h 07m

$518

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Thu 1/15

11:35 pm-2:24 pm

1 stop10h 49m

Christiansted Henry Rohlsen

Tue 1/20

3:19 pm-12:11 am

2 stops12h 52m

$844

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Thu 1/15

6:10 pm-2:24 pm

2 stops16h 14m

Christiansted Henry Rohlsen

Tue 1/20

3:19 pm-12:11 am

2 stops12h 52m

$1,105

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Wed 10/1

11:40 pm-6:00 pm

2 stops15h 20m

Christiansted Henry Rohlsen

Sun 10/5

9:30 am-11:29 pm

2 stops16h 59m

$1,305

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Thu 3/12

8:30 am-8:55 am

3 stops45h 25m

Christiansted Henry Rohlsen

Thu 3/19

5:23 pm-10:59 am

2 stops20h 36m

$1,320

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Thu 2/12

12:46 pm-6:15 pm

3 stops25h 29m

Christiansted Henry Rohlsen

Thu 2/19

8:00 am-11:30 pm

2 stops19h 30m

$1,399

SeattleChristiansted

SEA - STX

SEASTX

Seattle/Tacoma Intl

Wed 10/1

11:40 pm-6:00 pm

2 stops15h 20m

Christiansted Henry Rohlsen

Sun 10/5

9:30 am-11:56 am

3 stops29h 26m

$1,455

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 airline that flies from Seattle/Tacoma Intl to Saint Croix?

American Airlines is the most popular carrier 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

Direct flights

None
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 $251Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $474Free CancellationRating
7.2
10,000 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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