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

Flying on American Airlines is currently your cheapest option to Simpson Bay, with prices starting at $531. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $640 and $686, respectively. American Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Seattle to Simpson Bay one-way?

To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $269. United Airlines flights start at $285 while deals on Copa Airlines start at $326 one-way.

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 $655). 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 day to fly from Seattle to Simpson Bay?

Travelers seeking maximum savings on their Seattle to Simpson Bay flight should consider departing on Sunday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Seattle to Simpson Bay?

Users have found that flying from Seattle to Simpson Bay on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Seattle to Simpson Bay?

The best pricing can be found in the month of September. Prices to Simpson Bay from Seattle average $862. You can even find prices in September for less than $862, as users have found deals to Simpson Bay from as low as $508. The month of December appears to be one of the more expensive times to travel to Simpson Bay from Seattle. Flying in the targeted month can save you up to 56%.

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.

$269+ Flights from Seattle to Simpson Bay

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Cheap flight deals from Seattle to Simpson Bay

Round-trip from	$531 (American Airlines)
One-way from	$269 (JetBlue)
Popular in	December
Cheapest in	September
Average price	$755

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. 8% potential increase in price ($84 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($49 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 29, 2025.

Sun 11/1610:08 pmSEA - SXM

1 stop14h 12mAmerican Airlines

Mon 11/243:20 pmSXM - SEA

1 stop12h 20mAmerican Airlines

Deal found 7/27

$531

Fri 9/197:00 amSEA - SXM

2 stops26h 29mUnited Airlines

Sat 9/271:35 pmSXM - SEA

2 stops26h 16mUnited Airlines

Deal found 7/29

$686

Mon 8/2511:05 pmSEA - SXM

2 stops35h 55mMultiple Airlines

Mon 9/13:05 pmSXM - SEA

1 stop34h 17mMultiple Airlines

Deal found 7/26

$751

Fri 12/1911:55 pmSEA - SXM

1 stop10h 20mDelta

Sat 12/273:40 pmSXM - SEA

1 stop11h 53mDelta

Deal found 7/28

$1,120

Fri 11/218:15 amSEA - SXM

1 stop27h 45mAir Canada

Sat 11/295:00 pmSXM - SEA

2 stops30h 16mAir Canada

Deal found 7/27

$1,142

Sat 11/223:20 pmSEA - SXM

2 stops20h 01mWestJet

Sun 11/304:20 pmSXM - SEA

2 stops26h 00mWestJet

Deal found 7/28

$1,239

Best flights from Seattle to Simpson Bay
Discover carefully curated flight deals from Seattle to Simpson Bay that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Sun 11/1610:08 pmSEA - SXM

1 stop14h 12mAmerican Airlines

Mon 11/243:20 pmSXM - SEA

1 stop12h 20mAmerican Airlines

Deal found 7/27

$531

Sat 1/103:30 pmSEA - SXM

1 stop16h 45mDelta

Sat 1/171:45 pmSXM - SEA

1 stop12h 40mDelta

Deal found 7/27

$640

Fri 9/197:00 amSEA - SXM

2 stops26h 29mUnited Airlines

Sat 9/271:35 pmSXM - SEA

2 stops26h 16mUnited Airlines

Deal found 7/29

$686

Mon 8/2511:05 pmSEA - SXM

2 stops35h 55mMultiple Airlines

Mon 9/13:05 pmSXM - SEA

1 stop34h 17mMultiple Airlines

Deal found 7/26

$751

Fri 11/218:15 amSEA - SXM

1 stop27h 45mAir Canada

Sat 11/295:00 pmSXM - SEA

2 stops30h 16mAir Canada

Deal found 7/27

$1,142

Sat 11/223:20 pmSEA - SXM

2 stops20h 01mWestJet

Sun 11/304:20 pmSXM - SEA

2 stops26h 00mWestJet

Deal found 7/28

$1,239

Last-minute flights from Seattle to Simpson Bay
Discover last-minute flight deals from Seattle to Simpson Bay. Data last updated July 29, 2025 and is based on user searches.

Fri 8/12:24 pmSEA - SXM

2 stops19h 05mUnited Airlines

Fri 8/81:35 pmSXM - SEA

2 stops26h 43mUnited Airlines

Deal found 7/28

$1,157

Mon 8/188:08 pmSEA - SXM

1 stop14h 22mAmerican Airlines

Mon 8/254:30 pmSXM - SEA

2 stops21h 21mAmerican Airlines

Deal found 7/28

$536

Mon 8/2511:05 pmSEA - SXM

2 stops35h 55mMultiple Airlines

Mon 9/13:05 pmSXM - SEA

1 stop34h 17mMultiple Airlines

Deal found 7/26

$751

One-way flights from Seattle to Simpson Bay
Search for one-way flight options from Seattle to Simpson Bay. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Mon 10/2011:40 pmSEA - SXM

1 stop10h 35mJetBlue

Deal found 7/29

$269

Mon 12/2911:15 pmSEA - SXM

1 stop10h 35mUnited Airlines

Deal found 7/26

$285

Tue 10/215:26 pmSEA - SXM

2 stops15h 00mCopa Airlines

Deal found 7/29

$326

Tue 10/218:49 pmSEA - SXM

1 stop13h 48mAmerican Airlines

Deal found 7/27

$374

Tue 10/213:45 pmSEA - SXM

1 stop19h 04mDelta

Deal found 7/29

$398

Fly from

Fly to

Route

Depart

Return

Price

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Sun 11/16

10:08 pm-4:20 pm

1 stop14h 12m

Simpson Bay Princess Juliana

Mon 11/24

3:20 pm-11:40 pm

1 stop12h 20m

$531

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Sat 1/10

3:30 pm-12:15 pm

1 stop16h 45m

Simpson Bay Princess Juliana

Sat 1/17

1:45 pm-10:25 pm

1 stop12h 40m

$640

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Fri 9/19

7:00 am-12:29 pm

2 stops26h 29m

Simpson Bay Princess Juliana

Sat 9/27

1:35 pm-12:51 pm

2 stops26h 16m

$686

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Mon 8/25

11:05 pm-2:00 pm

2 stops35h 55m

Simpson Bay Princess Juliana

Mon 9/1

3:05 pm-10:22 pm

1 stop34h 17m

$751

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Fri 11/21

8:15 am-4:00 pm

1 stop27h 45m

Simpson Bay Princess Juliana

Sat 11/29

5:00 pm-7:16 pm

2 stops30h 16m

$1,142

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Sat 11/22

3:20 pm-3:21 pm

2 stops20h 01m

Simpson Bay Princess Juliana

Sun 11/30

4:20 pm-2:20 pm

2 stops26h 00m

$1,239

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Mon 10/20

11:40 pm-1:15 pm

1 stop10h 35m

$269

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Mon 12/29

11:15 pm-1:50 pm

1 stop10h 35m

$285

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Tue 10/21

5:26 pm-11:26 am

2 stops15h 00m

$326

SeattleSimpson Bay

SEA - SXM

SEASXM

Seattle/Tacoma Intl

Tue 10/21

8:49 pm-1:37 pm

1 stop13h 48m

$374

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 11 results

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?

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

Peruse reviews from past customers who have flown with Delta, Copa Airlines, and United 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

7,977 reviews

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

7,977 reviews

Delta

8.0

Very good

7,977 reviews

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!

Copa Airlines

7.5

Good

1,493 reviews

Delta

8.0

Very good

7,977 reviews

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!

United Airlines

7.4

Good

8,899 reviews

Delta

8.0

Very good

7,977 reviews

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!

JetBlue

7.3

Good

2,913 reviews

Delta

8.0

Very good

7,977 reviews

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

7,977 reviews

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

What are the cheapest airlines flying from Seattle to Simpson Bay round-trip?
Flying on American Airlines is currently your cheapest option to Simpson Bay, with prices starting at $531. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $640 and $686, respectively. American Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Seattle to Simpson Bay one-way?
To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $269. United Airlines flights start at $285 while deals on Copa Airlines start at $326 one-way.
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 $655). 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

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Top 2 airlines flying from Seattle to Simpson Bay

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$524	Average$857	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$540	Average$835	FlexibilityNo cancel fee	On-time71%

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$269+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Seattle to Simpson Bay with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Seattle to Simpson Bay

Round-trip from

One-way from

Popular in

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Average price

Find flight deals from Seattle to Simpson Bay

Cheapest flights from Seattle to Simpson BayExplore 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 July 29, 2025.

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 July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Seattle to Simpson Bay that are best for you.

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.

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 July 29, 2025.

Reviews of airlines servicing Simpson Bay

Peruse reviews from past customers who have flown with Delta, Copa Airlines, and United 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.

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?

What are the cheapest airlines to fly from Seattle to Simpson Bay one-way?

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

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

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

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

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.

Top 2 airlines flying from Seattle to Simpson Bay

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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 July 29, 2025.