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St Kitts

$720+ Cheap flights from Washington to St Kitts

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 11/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SKB
Oct 23 — Oct 301
Thu 10/23
Thu 10/30
1 adult, Economy
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Cheap flight deals from Washington to St Kitts

Keep the following information in mind while searching for Washington to St Kitts flight deals. Data was last updated September 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$720
(American Airlines)

Popular in

April

Cheapest in

September

Average price

$705
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 Washington to St Kitts
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Highest demand for flights based on searches. 8% potential increase in price ($87 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Washington to St Kitts

Cheapest flights from Washington to St Kitts
Explore the most affordable flight options available from Washington to St Kitts. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2025.

This American Airlines deal was found by Cheapflights users on 9/23. 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 11/1710:07 pmSEA - SKB
2 stops13h 11mAmerican Airlines
Thu 11/204:28 pmSKB - SEA
2 stops21h 17mAmerican Airlines
Deal found 9/23$720
This American Airlines deal was found by Cheapflights users on 9/22. 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.
Thu 11/610:08 pmSEA - SKB
1 stop13h 10mAmerican Airlines
Thu 11/134:28 pmSKB - SEA
2 stops22h 16mAmerican Airlines
Deal found 9/22$775
This American Airlines deal was found by Cheapflights users on 9/23. 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 11/2311:42 amSEA - SKB
2 stops23h 36mAmerican Airlines
Thu 11/274:28 pmSKB - SEA
2 stops24h 41mAmerican Airlines
Deal found 9/23$880
This American Airlines deal was found by Cheapflights users on 9/23. 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.
Sat 11/2210:08 pmSEA - SKB
1 stop13h 10mAmerican Airlines
Thu 11/274:28 pmSKB - SEA
2 stops24h 25mAmerican Airlines
Deal found 9/23$930
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/127:45 amPDX - SKB
2 stops26h 50mAmerican Airlines
Wed 10/152:35 pmSKB - PDX
2 stops21h 56mAmerican Airlines
Deal found 9/21$950
This American Airlines deal was found by Cheapflights users on 9/23. 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 11/2310:08 pmSEA - SKB
1 stop13h 10mAmerican Airlines
Mon 12/14:28 pmSKB - SEA
2 stops30h 22mAmerican Airlines
Deal found 9/23$955
This American Airlines deal was found by Cheapflights users on 9/23. 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.
Sat 11/2210:08 pmSEA - SKB
1 stop13h 10mAmerican Airlines
Mon 12/14:28 pmSKB - SEA
2 stops29h 43mAmerican Airlines
Deal found 9/23$1,005
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/78:49 pmSEA - SKB
1 stop13h 46mAmerican Airlines
Fri 10/102:35 pmSKB - SEA
1 stop12h 00mAmerican Airlines
Deal found 9/21$1,046
This American Airlines deal was found by Cheapflights users on 9/23. 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 11/2311:34 amSEA - SKB
2 stops23h 44mAmerican Airlines
Fri 11/284:28 pmSKB - SEA
2 stops25h 26mAmerican Airlines
Deal found 9/23$1,090
This American Airlines deal was found by Cheapflights users on 9/23. 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.
Sat 11/2210:08 pmSEA - SKB
1 stop13h 10mAmerican Airlines
Sat 11/294:41 pmSKB - SEA
2 stops21h 04mAmerican Airlines
Deal found 9/23$1,105
This American Airlines deal was found by Cheapflights users on 9/23. 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.
Sat 11/2210:07 pmSEA - SKB
2 stops13h 11mAmerican Airlines
Fri 11/284:28 pmSKB - SEA
2 stops25h 26mAmerican Airlines
Deal found 9/23$1,140

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to St Kitts 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 September 23, 2025.
Use the filters below to find and compare flights from Washington to St Kitts that are best for you.

Fly from

Washington

Fly to

St Kitts

Route

Depart

Return

Price

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Mon 11/17

10:07 pm-3:18 pm

2 stops13h 11m

Basseterre Robert Bradshaw Intl

Thu 11/20

4:28 pm-9:45 am

2 stops21h 17m

$720

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Thu 11/6

3:51 pm-3:18 pm

2 stops19h 27m

Basseterre Robert Bradshaw Intl

Thu 11/13

4:28 pm-10:44 am

2 stops22h 16m

$775

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sun 11/23

10:08 pm-3:18 pm

1 stop13h 10m

Basseterre Robert Bradshaw Intl

Thu 11/27

4:28 pm-1:09 pm

2 stops24h 41m

$880

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 11/22

10:08 pm-3:18 pm

1 stop13h 10m

Basseterre Robert Bradshaw Intl

Thu 11/27

4:28 pm-12:53 pm

2 stops24h 25m

$930

PortlandBasseterre

PDX - SKB

PDXSKB

Portland

Sun 10/12

7:45 am-1:35 pm

2 stops26h 50m

Basseterre Robert Bradshaw Intl

Wed 10/15

2:35 pm-9:31 am

2 stops21h 56m

$950

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sun 11/23

10:08 pm-3:18 pm

1 stop13h 10m

Basseterre Robert Bradshaw Intl

Mon 12/1

4:28 pm-6:50 pm

2 stops30h 22m

$955

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Tue 10/7

8:49 pm-1:35 pm

1 stop13h 46m

Basseterre Robert Bradshaw Intl

Fri 10/10

2:35 pm-11:35 pm

1 stop12h 00m

$1,046

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Best time to book a flight from Washington to St Kitts

Have a flexible travel schedule? Discover the best time to fly to St Kitts from Washington 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 Washington to St Kitts

What is the cheapest time of day to fly from WA to LXK?

Find hourly flight availability from Washington to St Kitts. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 23, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Washington to St Kitts. 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 State of Washington to St Kitts?

    There are many flights that can get you from State of Washington to St Kitts in 13h 11m. Fly via American Airlines to get the fastest option. The distance between State of Washington and St Kitts is about 3929 mi.

  • Can I find deals for flights from Washington to St Kitts that include hotel bookings?

    Yes. In addition to deals on Washington to St Kitts flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to St Kitts?

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

  • Can I find deals for business class flights from Washington to St Kitts?

    Yes. Cheapflights offers flight deals from Washington to St Kitts 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 State of Washington to St Kitts?

    Currently, May is the cheapest month in which you can book a flight from State of Washington to St Kitts (average of $559). Flying from State of Washington to St Kitts 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.

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Alternative routes for Washington to St Kitts

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Washington to St Kitts

Discover the top airline that operate flights from Washington to St Kitts. 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 September 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$705Average$850FlexibilityNo cancel feeOn-time71%

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