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Basseterre

$710+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SKB
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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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 April 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
2 stars

Round-trip from

$765
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$1,295
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
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Highest demand for flights based on searches. 14% potential increase in price ($158 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 17, 2025.

This American Airlines deal was found by Cheapflights users on 4/16. 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 11/46:21 pmSEA - SKB
2 stops15h 54mAmerican Airlines
Fri 11/143:40 pmSKB - SEA
2 stops22h 54mAmerican Airlines
Deal found 4/16$710
This United Airlines deal was found by Cheapflights users on 4/16. 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.
Tue 11/46:30 amSEA - SKB
3 stops24h 50mUnited Airlines
Fri 11/142:35 pmSKB - SEA
2 stops36h 13mUnited Airlines
Deal found 4/16$880
This United deal was found by Cheapflights users on 4/16. 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.
Tue 11/46:30 amSEA - SKB
3 stops24h 50mMultiple Airlines
Fri 11/1411:40 amSKB - SEA
3 stops35h 32mMultiple Airlines
Deal found 4/16$1,096

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 April 17, 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

Sat 5/31

7:05 pm-1:22 pm

2 stops15h 17m

Basseterre Robert Bradshaw Intl

Sat 6/7

4:25 pm-10:04 am

2 stops20h 39m

$765

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 5/31

5:14 pm-11:20 am

3 stops39h 06m

Basseterre Robert Bradshaw Intl

Sat 6/7

1:32 pm-8:01 am

2 stops21h 29m

$890

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

  • Most accurate provider: When it comes to deals on Seattle-Basseterre flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Basseterre flight deals on Cheapflights vs. FlightHub >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 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-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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Basseterre

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

Currently, May is the cheapest month in which you can book a flight from Seattle to Basseterre (average of $559). Flying from Seattle to Basseterre in December is currently the most expensive (average of $677). 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 SKB?

Find hourly flight availability from Seattle to Basseterre. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

When flying from Seattle to Basseterre, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Basseterre by month

Plan your trip to Basseterre by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Basseterre ranges from 1.9 - 5.6 inches per month. September is typically the wettest month, when rainfall can reach 5.6 in. February is typically the driest time to visit Basseterre when rainfall is around 1.9 in.

Temperature in Basseterre by month

Plan your trip to Basseterre by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Basseterre, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 April 17, 2025.
United Airlines
7.4
Good
8,667 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.0

Food

6.6

Comfort

7.3

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
8,667 reviews
United Airlines
7.4
Good
8,667 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.0

Food

6.6

Comfort

7.3

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
8,667 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Entertainment

7.0

Food

6.6

Comfort

7.3

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 Basseterre. 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 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 $765 on this airline. An additional option worth looking into is United Airlines, starting at $890. These flights start at 18% 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.

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

    Currently, May is the cheapest month in which you can book a flight from Seattle to Basseterre (average of $559). Flying from Seattle to Basseterre in December is currently the most expensive (average of $677). 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

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Alternative routes for Seattle to Basseterre

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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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$705Average$850FlexibilityNo cancel feeOn-time71%

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