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Simpson Bay

$291+ Cheap flights from Seattle (SEA) to Simpson Bay (SXM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SXM
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Seattle to Simpson Bay

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Simpson Bay (SXM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$551
(Delta)

One-way from

$291
(Copa Airlines)

Popular in

December

Cheapest in

September

Average price

$524
From Seattle/Tacoma Intl to Simpson Bay Princess Juliana
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One-way flight from Seattle/Tacoma Intl to Simpson Bay Princess Juliana
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Highest demand for flights based on searches. 9% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Seattle to Simpson Bay

Cheapest flights from Seattle to Simpson Bay
Explore the most affordable flight options available from Seattle to Simpson Bay. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/253:45 pmSEA - SXM
1 stop19h 04mDelta
Fri 11/74:14 pmSXM - SEA
1 stop11h 40mDelta
Deal found 9/10$551
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1610:08 pmSEA - SXM
1 stop12h 11mAmerican Airlines
Mon 11/245:24 pmSXM - SEA
2 stops20h 21mAmerican Airlines
Deal found 9/10$556
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1611:00 pmSEA - SXM
1 stop11h 55mDelta
Mon 11/244:20 pmSXM - SEA
1 stop11h 39mDelta
Deal found 9/11$594
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/210:08 pmSEA - SXM
1 stop14h 17mAmerican Airlines
Tue 12/95:25 pmSXM - SEA
2 stops20h 21mAmerican Airlines
Deal found 9/10$599
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:08 pmSEA - SXM
1 stop14h 17mAmerican Airlines
Mon 12/153:20 pmSXM - SEA
1 stop11h 56mAmerican Airlines
Deal found 9/9$660
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:41 pmSEA - SXM
2 stops21h 09mUnited Airlines
Mon 11/32:52 pmSXM - SEA
2 stops24h 47mUnited Airlines
Deal found 9/11$666
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/258:37 amSEA - SXM
1 stop26h 23mMultiple Airlines
Mon 9/293:05 pmSXM - SEA
2 stops34h 34mMultiple Airlines
Deal found 9/10$721
This Mytrip deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2510:00 amSEA - SXM
3 stops25h 21mMultiple Airlines
Sat 11/14:00 pmSXM - SEA
2 stops26h 31mMultiple Airlines
Deal found 9/10$741
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/268:37 amSEA - SXM
1 stop26h 23mMultiple Airlines
Mon 9/293:05 pmSXM - SEA
2 stops22h 15mMultiple Airlines
Deal found 9/10$760

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Simpson Bay 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, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Seattle to Simpson Bay that are best for you.

Fly from

Seattle

Fly to

Simpson Bay

Route

Depart

Return

Price

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Sat 10/25

3:45 pm-1:49 pm

1 stop19h 04m

Simpson Bay Princess Juliana

Fri 11/7

4:14 pm-11:54 pm

1 stop11h 40m

$551

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Sat 10/25

3:28 pm-12:18 pm

2 stops17h 50m

Simpson Bay Princess Juliana

Sat 11/1

1:20 pm-10:45 pm

1 stop12h 25m

$551

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Tue 2/3

10:57 pm-4:10 pm

1 stop13h 13m

Simpson Bay Princess Juliana

Tue 2/10

3:20 pm-11:27 pm

1 stop12h 07m

$551

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Mon 12/8

10:08 pm-2:20 pm

1 stop12h 12m

Simpson Bay Princess Juliana

Mon 12/15

5:25 pm-11:37 am

2 stops22h 12m

$556

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Sun 11/16

6:41 pm-2:19 pm

2 stops15h 38m

Simpson Bay Princess Juliana

Mon 11/24

5:24 pm-9:45 am

2 stops20h 21m

$556

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Sat 10/25

8:49 pm-1:42 pm

1 stop13h 53m

Simpson Bay Princess Juliana

Fri 11/7

5:24 pm-10:53 am

2 stops21h 29m

$556

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Sun 11/16

3:40 pm-2:55 pm

1 stop19h 15m

Simpson Bay Princess Juliana

Mon 11/24

4:20 pm-11:59 pm

1 stop11h 39m

$594

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Sat 1/10

10:57 pm-4:10 pm

1 stop13h 13m

Simpson Bay Princess Juliana

Sat 1/17

5:42 pm-10:41 am

2 stops20h 59m

$599

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Wed 2/25

1:40 pm-12:15 pm

1 stop18h 35m

Simpson Bay Princess Juliana

Sat 3/7

5:16 pm-9:29 am

1 stop20h 13m

$637

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Tue 10/21

6:35 am-11:27 am

2 stops25h 52m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 12 results
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Best time to book a flight from Seattle to Simpson Bay

Have a flexible travel schedule? Discover the best time to fly to Simpson Bay from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Simpson Bay

What is the cheapest time of day to fly from SEA to SXM?

Find hourly flight availability from Seattle to Simpson Bay. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from Seattle to Simpson Bay, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 13% versus a flight in the afternoon.

Reviews of airlines servicing Simpson Bay

Get insights into the airlines that provide service to Simpson Bay. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Simpson Bay. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with Delta and American Airlines from Seattle to Simpson Bay to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Seattle to Simpson Bay. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Seattle to Simpson Bay?

    Airlines like Delta, United Airlines, and American Airlines fly from Seattle to Simpson Bay in about 12h 12m. The time it takes to get you to your destination can typically vary by up to 6h 52m. Seattle and Simpson Bay are separated by a distance of 3875 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Seattle to Simpson Bay round-trip?

    Flying on Delta is currently your cheapest option to Simpson Bay, with prices starting at $524. Another option worth looking into is American Airlines, starting at $607 round trip. Delta is 39% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Seattle to Simpson Bay that include hotel bookings?

    Yes. In addition to deals on Seattle to Simpson Bay flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Simpson Bay?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Simpson Bay.

  • Can I find deals for business class flights from Seattle to Simpson Bay?

    Yes. Cheapflights offers flight deals from Seattle to Simpson Bay by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Simpson Bay?

    Currently, September is the cheapest month in which you can book a flight from Seattle to Simpson Bay (average of $459). Flying from Seattle to Simpson Bay in March is currently the most expensive (average of $652). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Simpson Bay?

Book flights to Simpson Bay if you plan to visit one of these locations
Philipsburg

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Alternative routes for Seattle to Simpson Bay

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Portland to Simpson Bay flights

Top 2 airlines flying from Seattle to Simpson Bay

Discover the top 2 airlines that operate flights from Seattle to Simpson Bay. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$524Average$929FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$607Average$817FlexibilityNo cancel feeOn-time71%

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