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St Kitts

$766+ 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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SKB
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
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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 November 18, 2025.

This American Airlines deal was found by Cheapflights users on 11/16. 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.
Sun 12/1410:07 pmSEA - SKB
2 stops12h 20mAmerican Airlines
Thu 12/185:29 pmSKB - SEA
2 stops20h 33mAmerican Airlines
Deal found 11/16$781
This American Airlines deal was found by Cheapflights users on 11/17. 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 12/156:50 pmSEA - SKB
2 stops15h 37mAmerican Airlines
Mon 12/223:27 pmSKB - SEA
1 stop12h 15mAmerican Airlines
Deal found 11/17$880
This American Airlines deal was found by Cheapflights users on 11/17. 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 12/166:50 pmSEA - SKB
2 stops15h 30mAmerican Airlines
Tue 12/235:29 pmSKB - SEA
2 stops21h 46mAmerican Airlines
Deal found 11/17$960
This American Airlines deal was found by Cheapflights users on 11/17. 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 11/2010:08 pmSEA - SKB
1 stop13h 10mAmerican Airlines
Tue 11/254:28 pmSKB - SEA
2 stops21h 37mAmerican Airlines
Deal found 11/17$1,171
This American Airlines deal was found by Cheapflights users on 11/18. 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 11/18$1,191
This United Airlines deal was found by Cheapflights users on 11/18. 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.
Sun 12/148:10 amSEA - SKB
2 stops28h 03mUnited Airlines
Thu 12/189:50 amSKB - SEA
3 stops30h 57mUnited Airlines
Deal found 11/18$3,536
This American Airlines deal was found by Cheapflights users on 11/17. 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 11/2010:08 pmSEA - SKB
1 stop13h 10mMultiple Airlines
Tue 11/254:28 pmSKB - SEA
1 stop22h 47mMultiple Airlines
Deal found 11/17$4,599
This American Airlines deal was found by Cheapflights users on 11/18. 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 10mMultiple Airlines
Thu 11/274:28 pmSKB - SEA
1 stop22h 47mMultiple Airlines
Deal found 11/18$4,699

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 November 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$721
(American Airlines)

Popular in

April

Cheapest in

September

Average price

$990
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 Washington to St Kitts
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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 November 18, 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

PortlandBasseterre

PDX - SKB

PDXSKB

Portland

Fri 4/3

10:59 pm-3:15 pm

1 stop13h 16m

Basseterre Robert Bradshaw Intl

Sun 4/12

2:30 pm-10:14 am

2 stops22h 44m

$766

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sun 12/14

10:07 pm-2:27 pm

2 stops12h 20m

Basseterre Robert Bradshaw Intl

Thu 12/18

5:29 pm-11:30 am

1 stop22h 01m

$781

PortlandBasseterre

PDX - SKB

PDXSKB

Portland

Sun 2/15

10:55 pm-2:15 pm

1 stop11h 20m

Basseterre Robert Bradshaw Intl

Sun 2/22

3:15 pm-11:59 pm

1 stop12h 44m

$846

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Mon 12/15

6:50 pm-2:27 pm

2 stops15h 37m

Basseterre Robert Bradshaw Intl

Mon 12/22

5:29 pm-10:59 am

2 stops21h 30m

$880

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Tue 12/16

6:50 pm-2:20 pm

2 stops15h 30m

Basseterre Robert Bradshaw Intl

Tue 12/23

5:29 pm-11:15 am

2 stops21h 46m

$960

PortlandBasseterre

PDX - SKB

PDXSKB

Portland

Fri 3/20

10:59 pm-1:00 pm

1 stop11h 01m

Basseterre Robert Bradshaw Intl

Sun 3/29

4:25 pm-11:03 pm

1 stop33h 38m

$981

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

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 November 18, 2025.

It’s optimal to fly from State of Washington to St Kitts in the morning. By choosing this option you can save up to 40% on the cost of your flight, compared to a flight in the evening.

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 16m. Fly via American Airlines to get the fastest option. The distance between State of Washington and St Kitts is about 3920 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.

See more FAQs

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Alternative routes for Washington to St Kitts

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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 November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$705Average$850FlexibilityNo cancel feeOn-time71%

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