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Basseterre

$722+ Cheap flights from Seattle (SEA) to Basseterre (SKB)

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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SKB
Jan 13 — Jan 201
Tue 1/13
Tue 1/20
1 adult, Economy
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Cheap flight deals from Seattle to Basseterre

Cheapest flights from Seattle to Basseterre
Explore the most affordable flight options available from Seattle to Basseterre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 14, 2025.

This American Airlines deal was found by Cheapflights users on 12/13. 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 12/1410:07 pmSEA - SKB
2 stops12h 20mAmerican Airlines
Thu 12/185:29 pmSKB - SEA
1 stop22h 01mAmerican Airlines
Deal found 12/13$1,141
This United Airlines deal was found by Cheapflights users on 12/12. 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.
Fri 12/123:45 pmSEA - SKB
2 stops17h 49mUnited Airlines
Fri 12/199:50 amSKB - SEA
2 stops16h 57mUnited Airlines
Deal found 12/12$3,697

Find flight deals from Seattle to Basseterre

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Basseterre (SKB). 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 December 14, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$722
(American Airlines)

Popular in

April

Cheapest in

September

Average price

$1,228
Provider with most accurate pricing for Seattle/Tacoma Intl-Basseterre Robert Bradshaw Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Basseterre Robert Bradshaw Intl flights.
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From Seattle/Tacoma Intl to Basseterre Robert Bradshaw Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($92 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Basseterre 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 December 14, 2025.
Use the filters below to find and compare flights from Seattle to Basseterre that are best for you.

Fly from

Seattle

Fly to

Basseterre

Route

Depart

Return

Price

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Tue 3/17

6:22 pm-1:23 pm

2 stops16h 01m

Basseterre Robert Bradshaw Intl

Thu 3/26

2:23 pm-9:41 am

2 stops22h 18m

$722

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Tue 1/27

6:38 pm-2:47 pm

2 stops16h 09m

Basseterre Robert Bradshaw Intl

Tue 2/3

3:47 pm-11:42 pm

1 stop11h 55m

$751

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Mon 1/26

5:00 pm-2:47 pm

2 stops17h 47m

Basseterre Robert Bradshaw Intl

Mon 2/2

3:47 pm-11:45 am

2 stops23h 58m

$776

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 1/24

11:11 pm-2:47 pm

1 stop11h 36m

Basseterre Robert Bradshaw Intl

Sun 2/1

3:47 pm-11:42 pm

1 stop11h 55m

$776

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 5/23

5:40 pm-1:15 pm

2 stops16h 35m

Basseterre Robert Bradshaw Intl

Sat 5/30

2:36 pm-10:55 pm

1 stop11h 19m

$796

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Thu 1/1

12:14 am-4:29 pm

2 stops12h 15m

Basseterre Robert Bradshaw Intl

Sat 1/10

5:35 pm-11:01 am

2 stops21h 26m

$861

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Compare providers for flights from Seattle to Basseterre

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 Basseterre in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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-Basseterre flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Basseterre flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Basseterre flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Basseterre flights, Cheapflights users trust eDreams the most. eDreams 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-Basseterre 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 Basseterre

Have a flexible travel schedule? Discover the best time to fly to Basseterre 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.

Reviews of airlines servicing Basseterre

Get insights into the airlines that provide service to Basseterre. 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 Basseterre. Reviews last updated December 14, 2025.
Read through reviews of airlines operating flights from Seattle to Basseterre, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,054 reviews

Boarding

7.5

Crew

8.0

Food

6.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,054 reviews
American Airlines
7.2
Good
11,054 reviews

Boarding

7.5

Crew

8.0

Food

6.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

Find useful and relevant information for your journey from Seattle to Basseterre. 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 Basseterre?

    Airlines like American Airlines fly from Seattle to Basseterre in about 16h 01m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 3929 mi.

  • What is the cheapest airline to fly from Seattle to Basseterre round-trip?

    Our cheapest airline available from Seattle to Basseterre is American Airlines. Our recent data shows that you can find tickets from as low as $705 on this airline. This flight start at 24% lower than the current average price 3 months from now.

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

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

  • How can I find direct flights from Seattle to Basseterre?

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

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

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

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Top airline flying from Seattle to Basseterre

Discover the top airline that operate flights from Seattle to Basseterre. 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 December 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$705Average$850FlexibilityNo cancel feeOn-time71%

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