HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Simpson Bay

$509+ Cheap flights from Seattle (SEA) to Simpson Bay (SXM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SXM
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Simpson Bay with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$509
(Priceline)

Popular in

December

Cheapest in

October

Average price

$934
Provider with most accurate pricing for Seattle/Tacoma Intl-Simpson Bay Princess Juliana flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Simpson Bay Princess Juliana flights.
Search Deals
From Seattle/Tacoma Intl to Simpson Bay Princess Juliana
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

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 March 28, 2025.

This Priceline deal was found by Cheapflights users on 3/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2712:30 pmSEA - SXM
2 stops22h 30mSpirit Airlines
Mon 5/53:05 pmSXM - SEA
2 stops23h 30mSpirit Airlines
Deal found 3/26$509
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Sun 4/279:45 pmSEA - SXM
1 stop13h 15mMultiple Airlines
Mon 5/53:05 pmSXM - SEA
2 stops36h 51mMultiple Airlines
Deal found 3/26$569
This Delta deal was found by Cheapflights users on 3/27. 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 11/169:20 pmSEA - SXM
1 stop13h 15mDelta
Mon 11/244:00 pmSXM - SEA
1 stop12h 08mDelta
Deal found 3/27$698
This American Airlines deal was found by Cheapflights users on 3/28. 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 5/1210:12 pmSEA - SXM
2 stops14h 19mAmerican Airlines
Mon 5/194:40 pmSXM - SEA
2 stops21h 02mAmerican Airlines
Deal found 3/28$710
This United deal was found by Cheapflights users on 3/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1611:50 pmSEA - SXM
2 stops34h 01mUnited Airlines
Mon 11/242:53 pmSXM - SEA
3 stops33h 56mUnited Airlines
Deal found 3/27$1,014
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2111:35 amSEA - SXM
1 stop24h 40mAir Canada
Sat 11/295:15 pmSXM - SEA
1 stop21h 25mAir Canada
Deal found 3/27$1,259

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 March 28, 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

Sun 4/27

12:30 pm-2:00 pm

2 stops22h 30m

Simpson Bay Princess Juliana

Mon 5/5

3:05 pm-11:35 am

2 stops23h 30m

$509

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Sun 4/27

9:45 pm-2:00 pm

1 stop13h 15m

Simpson Bay Princess Juliana

Mon 5/5

3:05 pm-12:56 am

2 stops36h 51m

$569

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Mon 5/12

10:12 pm-3:31 pm

2 stops14h 19m

Simpson Bay Princess Juliana

Mon 5/19

4:40 pm-10:42 am

2 stops21h 02m

$710

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Mon 5/26

11:50 pm-12:29 pm

2 stops33h 39m

Simpson Bay Princess Juliana

Fri 6/6

1:35 pm-8:01 am

2 stops21h 26m

$1,347

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Compare providers for flights from Seattle to Simpson Bay

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Simpson Bay in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Simpson Bay flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Simpson Bay flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Simpson Bay flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Simpson Bay flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Simpson Bay flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 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 July is currently the most expensive (average of $679). 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.

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 March 28, 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 March 28, 2025.
United Airlines
7.4
Good
8,603 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,603 reviews
United Airlines
7.4
Good
8,603 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,603 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Spirit Airlines
6.3
Okay
7,881 reviews
United Airlines
7.4
Good
8,603 reviews

Overall

7.4

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Crew

8.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

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

    Flying on Spirit Airlines is currently your cheapest option to Simpson Bay, with prices starting at $509. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $710 and $1,347, respectively. Spirit Airlines is 41% 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 July is currently the most expensive (average of $679). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Simpson Bay

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Simpson Bay flights

Top 3 airlines flying from Seattle to Simpson Bay

Discover the top 3 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$494Average$766FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$524Average$967FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$586Average$809FlexibilityNo cancel feeOn-time71%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.