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Cheap flights from Seattle to Basseterre from $817

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Basseterre departing on 5/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Basseterre

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:04 pm - 12:35 pm
SEA
-
SKB
16h 31m
2 stops
United Airlines Logo
1:42 pm - 12:05 am
SKB
-
SEA
13h 23m
1 stop
$817United Airlines
Fri, May 22 - Sat, May 30
Air Canada Logo
8:00 am - 2:15 pm
SEA
-
SKB
27h 15m
1 stop
Air Canada Logo
3:20 pm - 7:20 pm
SKB
-
SEA
31h 00m
2 stops
$822Air Canada
Fri, Apr 17 - Sat, Apr 25
American Airlines Logo
10:16 pm - 1:26 pm
SEA
-
SKB
12h 10m
1 stop
American Airlines Logo
4:50 pm - 10:48 am
SKB
-
SEA
20h 58m
2 stops
$827American Airlines
Sat, Apr 18 - Sat, Apr 25
American Airlines Logo
8:53 pm - 1:38 pm
SEA
-
SKB
13h 45m
1 stop
American Airlines Logo
2:07 pm - 10:59 pm
SKB
-
SEA
11h 52m
1 stop
$842American Airlines
Sat, May 23 - Sat, May 30
American Airlines Logo
8:53 pm - 1:38 pm
SEA
-
SKB
13h 45m
1 stop
American Airlines Logo
2:07 pm - 9:27 am
SKB
-
SEA
22h 20m
2 stops
$847American Airlines
Sat, May 23 - Sat, May 30
American Airlines Logo
10:16 pm - 1:26 pm
SEA
-
SKB
12h 10m
1 stop
American Airlines Logo
2:35 pm - 11:44 pm
SKB
-
SEA
12h 09m
1 stop
$851American Airlines
Sat, Apr 18 - Sat, Apr 25
Air Canada Logo
8:00 am - 2:15 pm
SEA
-
SKB
27h 15m
1 stop
Air Canada Logo
3:20 pm - 9:53 pm
SKB
-
SEA
33h 33m
1 stop
$853Air Canada
Fri, Apr 17 - Sat, Apr 25
American Airlines Logo
10:16 pm - 1:21 pm
SEA
-
SKB
12h 05m
1 stop
American Airlines Logo
2:24 pm - 11:40 pm
SKB
-
SEA
12h 16m
1 stop
$857American Airlines
Sun, Mar 29 - Sun, Apr 5
American Airlines Logo
5:00 pm - 1:21 pm
SEA
-
SKB
17h 21m
2 stops
American Airlines Logo
2:24 pm - 11:40 pm
SKB
-
SEA
12h 16m
1 stop
$862American Airlines
Sun, Mar 29 - Sun, Apr 5
American Airlines Logo
10:16 pm - 1:26 pm
SEA
-
SKB
12h 10m
1 stop
American Airlines Logo
2:35 pm - 11:44 pm
SKB
-
SEA
12h 09m
1 stop
$876American Airlines
Sat, Apr 25 - Sun, May 3

American Airlines flights from Seattle to Basseterre

Our best American Airlines deals on Seattle to Basseterre flight tickets
American Airlines
Apr 18
SEA10:16 pmSeattle/Tacoma Intl
12h 10m
1 stop
SKB1:26 pmBasseterre Robert Bradshaw Intl
Apr 25
SKB4:50 pmBasseterre Robert Bradshaw Intl
20h 58m
2 stops
SEA10:48 amSeattle/Tacoma Intl
$827
American Airlines
May 23
SEA8:53 pmSeattle/Tacoma Intl
13h 45m
1 stop
SKB1:38 pmBasseterre Robert Bradshaw Intl
May 30
SKB2:07 pmBasseterre Robert Bradshaw Intl
11h 52m
1 stop
SEA10:59 pmSeattle/Tacoma Intl
$842
American Airlines
May 23
SEA8:53 pmSeattle/Tacoma Intl
13h 45m
1 stop
SKB1:38 pmBasseterre Robert Bradshaw Intl
May 30
SKB2:07 pmBasseterre Robert Bradshaw Intl
22h 20m
2 stops
SEA9:27 amSeattle/Tacoma Intl
$847

United Airlines flights from Seattle to Basseterre

Our best United Airlines deals on Seattle to Basseterre flight tickets
United Airlines
May 22
SEA5:04 pmSeattle/Tacoma Intl
16h 31m
2 stops
SKB12:35 pmBasseterre Robert Bradshaw Intl
May 30
SKB1:42 pmBasseterre Robert Bradshaw Intl
13h 23m
1 stop
SEA12:05 amSeattle/Tacoma Intl
$817
United Airlines
Apr 18
SEA11:35 amSeattle/Tacoma Intl
49h 38m
3 stops
SKB4:13 pmBasseterre Robert Bradshaw Intl
Apr 25
SKB9:50 amBasseterre Robert Bradshaw Intl
36h 10m
2 stops
SEA7:00 pmSeattle/Tacoma Intl
$2,122

momondo 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, momondo users made 832,500 searches. Data last updated March 3, 2026.
Use the filters below to find and compare flights from Seattle to Basseterre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Fri 5/22

5:04 pm-12:35 pm

2 stops16h 31m

Basseterre Robert Bradshaw Intl

Sat 5/30

1:42 pm-12:05 am

1 stop13h 23m

$817

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Fri 4/17

8:00 am-2:15 pm

1 stop27h 15m

Basseterre Robert Bradshaw Intl

Sat 4/25

3:20 pm-7:20 pm

2 stops31h 00m

$822

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 4/18

10:16 pm-1:26 pm

1 stop12h 10m

Basseterre Robert Bradshaw Intl

Sat 4/25

4:50 pm-10:48 am

2 stops20h 58m

$827

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 5/23

8:53 pm-1:38 pm

1 stop13h 45m

Basseterre Robert Bradshaw Intl

Sat 5/30

2:07 pm-10:59 pm

1 stop11h 52m

$842

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 5/23

8:53 pm-1:38 pm

1 stop13h 45m

Basseterre Robert Bradshaw Intl

Sat 5/30

2:07 pm-9:27 am

2 stops22h 20m

$847

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 4/18

10:16 pm-1:26 pm

1 stop12h 10m

Basseterre Robert Bradshaw Intl

Sat 4/25

2:35 pm-11:44 pm

1 stop12h 09m

$851

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Fri 4/17

8:00 am-2:15 pm

1 stop27h 15m

Basseterre Robert Bradshaw Intl

Sat 4/25

3:20 pm-9:53 pm

1 stop33h 33m

$853

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sun 3/29

10:16 pm-1:21 pm

1 stop12h 05m

Basseterre Robert Bradshaw Intl

Sun 4/5

2:24 pm-11:40 pm

1 stop12h 16m

$857

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sun 3/29

5:00 pm-1:21 pm

2 stops17h 21m

Basseterre Robert Bradshaw Intl

Sun 4/5

2:24 pm-11:40 pm

1 stop12h 16m

$862

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 4/25

10:16 pm-1:26 pm

1 stop12h 10m

Basseterre Robert Bradshaw Intl

Sun 5/3

2:35 pm-11:44 pm

1 stop12h 09m

$876

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Basseterre from

How to get the cheapest flight ticket from Seattle to Basseterre

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Basseterre?

Can stopping save me money on Seattle to Basseterre flights?

You could potentially save up to 27% on your flight if you consider stops on a Seattle to Basseterre flight.

When to book flights from Seattle to Basseterre

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Basseterre according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Basseterre (SEA to SKB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Basseterre

Fastest flight time

25h 35m

Direct flights

None
The fastest flight from Seattle to Basseterre takes 25h 35m
There are no direct flights from Seattle to Basseterre. There are no popular flight routes from Seattle to Basseterre.
Search flight deals

  • How far is Seattle/Tacoma Intl to Basseterre Robert Bradshaw Intl by plane?

    Basseterre Robert Bradshaw Intl is 3933.1 mi away from Seattle/Tacoma Intl. By plane, this route typically takes 25h 35m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Basseterre Robert Bradshaw Intl Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Basseterre Robert Bradshaw Intl Airport are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Basseterre Robert Bradshaw Intl Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Basseterre Robert Bradshaw Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Basseterre Robert Bradshaw Intl Airport.

  • What documentation or ID do you need to fly to Basseterre Robert Bradshaw Intl Airport?

    The travel and health documents you'll need for your trip to Basseterre Robert Bradshaw Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Basseterre Robert Bradshaw Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Seattle to Basseterre?

Best airlines flying from Seattle to Basseterre

Compare and see reviews for airlines that fly from Seattle to Basseterre with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $740Free CancellationRating
7.1
11,375 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Basseterre?

Finding the right flight to Basseterre from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Basseterre quick and easy, saving you time and money.

Can I find flights from Seattle to Basseterre with flexible booking policies on momondo?

momondo does allow users to show only those flights to Basseterre from Seattle which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Seattle to Basseterre?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Basseterre.

I’m not ready to book a flight from Seattle to Basseterre right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to Basseterre flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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