HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Basseterre

$746+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SKB
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Basseterre 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.

Find 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 October 29, 2025.

This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:08 pmSEA - SKB
1 stop13h 10mAmerican Airlines
Wed 11/264:28 pmSKB - SEA
2 stops22h 16mAmerican Airlines
Deal found 10/27$836
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1910:08 pmSEA - SKB
1 stop13h 10mMultiple Airlines
Wed 11/264:28 pmSKB - SEA
1 stop22h 47mMultiple Airlines
Deal found 10/27$4,331

Cheap 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$746
(American Airlines)

Popular in

April

Cheapest in

September

Average price

$740
Provider with most accurate pricing for Seattle/Tacoma Intl-Basseterre Robert Bradshaw Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Basseterre Robert Bradshaw Intl flights.
Search Deals
From Seattle/Tacoma Intl to Basseterre Robert Bradshaw Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 29, 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

Mon 2/2

11:11 pm-2:47 pm

1 stop11h 36m

Basseterre Robert Bradshaw Intl

Sat 2/7

5:35 pm-11:45 am

2 stops22h 10m

$746

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Thu 1/22

11:11 pm-2:47 pm

1 stop11h 36m

Basseterre Robert Bradshaw Intl

Mon 1/26

3:47 pm-11:42 pm

1 stop11h 55m

$766

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Wed 11/19

10:08 pm-3:18 pm

1 stop13h 10m

Basseterre Robert Bradshaw Intl

Wed 11/26

4:28 pm-10:44 am

2 stops22h 16m

$836

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Fri 4/3

11:59 pm-3:15 pm

2 stops12h 16m

Basseterre Robert Bradshaw Intl

Sun 4/12

2:30 pm-9:23 am

2 stops21h 53m

$928

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Thu 1/22

2:10 pm-1:34 pm

2 stops43h 24m

Basseterre Robert Bradshaw Intl

Mon 1/26

1:55 pm-12:49 pm

3 stops26h 54m

$1,170

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Wed 11/19

10:08 pm-3:18 pm

1 stop13h 10m

Basseterre Robert Bradshaw Intl

Wed 11/26

4:28 pm-11:15 am

1 stop22h 47m

$4,331

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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 October.
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 October 29, 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
11,030 reviews

Comfort

7.2

Overall

7.2

Food

6.4

Crew

8.0

Entertainment

6.9

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
11,030 reviews
American Airlines
7.2
Good
11,030 reviews

Comfort

7.2

Overall

7.2

Food

6.4

Crew

8.0

Entertainment

6.9

Boarding

7.5

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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 11h 36m. 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 22% 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.

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 Basseterre

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Basseterre flights
Seattle to Newcastle flights

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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$705Average$850FlexibilityNo 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.