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Cheap flights from Seattle to Basseterre from $867

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 8/1. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Basseterre

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:55 pm - 1:43 pm
SEA
-
SKB
13h 48m
1 stop
American Airlines Logo
3:46 pm - 9:45 am
SKB
-
SEA
20h 59m
1 stop
$867American Airlines
Sat, Aug 1 - Sat, Aug 8
American Airlines Logo
6:15 pm - 1:43 pm
SEA
-
SKB
16h 28m
2 stops
American Airlines Logo
3:46 pm - 9:45 am
SKB
-
SEA
20h 59m
1 stop
$872American Airlines
Sat, Aug 1 - Sat, Aug 8
American Airlines Logo
5:32 pm - 1:44 pm
SEA
-
SKB
17h 12m
2 stops
American Airlines Logo
2:44 pm - 9:25 am
SKB
-
SEA
21h 41m
2 stops
$911American Airlines
Sat, Aug 22 - Wed, Aug 26
American Airlines Logo
7:40 am - 1:44 pm
SEA
-
SKB
27h 04m
2 stops
American Airlines Logo
2:44 pm - 12:20 am
SKB
-
SEA
12h 36m
1 stop
$921American Airlines
Sat, Aug 22 - Wed, Aug 26
British Airways Logo
8:47 pm - 1:44 pm
SEA
-
SKB
13h 57m
1 stop
British Airways Logo
2:44 pm - 12:20 am
SKB
-
SEA
12h 36m
1 stop
$933British Airways
Sat, Aug 22 - Wed, Aug 26
American Airlines Logo
8:45 pm - 1:43 pm
SEA
-
SKB
13h 58m
1 stop
American Airlines Logo
2:43 pm - 12:07 am
SKB
-
SEA
12h 24m
1 stop
$947American Airlines
Sun, Jul 19 - Thu, Jul 30
American Airlines Logo
6:15 pm - 1:43 pm
SEA
-
SKB
16h 28m
2 stops
American Airlines Logo
2:43 pm - 12:07 am
SKB
-
SEA
12h 24m
1 stop
$1,072American Airlines
Sun, Jul 19 - Thu, Jul 30
American Airlines Logo
6:15 pm - 1:43 pm
SEA
-
SKB
16h 28m
2 stops
American Airlines Logo
2:43 pm - 10:50 am
SKB
-
SEA
23h 07m
2 stops
$1,202American Airlines
Sun, Jul 19 - Thu, Jul 30
United Airlines Logo
8:33 am - 5:49 pm
SEA
-
SKB
29h 16m
3 stops
United Airlines Logo
9:40 am - 8:38 pm
SKB
-
SEA
14h 58m
2 stops
$1,709United Airlines
Sun, Nov 1 - Thu, Nov 5
United Airlines Logo
8:33 am - 5:49 pm
SEA
-
SKB
29h 16m
3 stops
United Airlines Logo
9:40 am - 8:38 pm
SKB
-
SEA
14h 58m
2 stops
$1,714United Airlines
Sun, Nov 1 - Thu, Nov 5

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American Airlines flights from Seattle to Basseterre

Our best American Airlines deals on Seattle to Basseterre flight tickets
American Airlines
Aug 1
SEA8:55 pmSeattle/Tacoma Intl
13h 48m
1 stop
SKB1:43 pmBasseterre Robert Bradshaw Intl
Aug 8
SKB3:46 pmBasseterre Robert Bradshaw Intl
20h 59m
1 stop
SEA9:45 amSeattle/Tacoma Intl
$867
American Airlines
Aug 1
SEA6:15 pmSeattle/Tacoma Intl
16h 28m
2 stops
SKB1:43 pmBasseterre Robert Bradshaw Intl
Aug 8
SKB3:46 pmBasseterre Robert Bradshaw Intl
20h 59m
1 stop
SEA9:45 amSeattle/Tacoma Intl
$872
American Airlines
Aug 22
SEA5:32 pmSeattle/Tacoma Intl
17h 12m
2 stops
SKB1:44 pmBasseterre Robert Bradshaw Intl
Aug 26
SKB2:44 pmBasseterre Robert Bradshaw Intl
21h 41m
2 stops
SEA9:25 amSeattle/Tacoma Intl
$911

United Airlines flights from Seattle to Basseterre

Our best United Airlines deals on Seattle to Basseterre flight tickets
United Airlines
Nov 1
SEA8:33 amSeattle/Tacoma Intl
29h 16m
3 stops
SKB5:49 pmBasseterre Robert Bradshaw Intl
Nov 5
SKB9:40 amBasseterre Robert Bradshaw Intl
14h 58m
2 stops
SEA8:38 pmSeattle/Tacoma Intl
$1,709
United Airlines
Nov 1
SEA8:33 amSeattle/Tacoma Intl
29h 16m
3 stops
SKB5:49 pmBasseterre Robert Bradshaw Intl
Nov 5
SKB9:40 amBasseterre Robert Bradshaw Intl
14h 58m
2 stops
SEA8:38 pmSeattle/Tacoma Intl
$1,714
United Airlines
Nov 1
SEA7:00 amSeattle/Tacoma Intl
30h 49m
2 stops
SKB5:49 pmBasseterre Robert Bradshaw Intl
Nov 5
SKB9:40 amBasseterre Robert Bradshaw Intl
14h 58m
2 stops
SEA8:38 pmSeattle/Tacoma Intl
$1,751

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 July 1, 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

Cheapest round-trip

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 8/1

8:55 pm-1:43 pm

1 stop13h 48m

Basseterre Robert Bradshaw Intl

Sat 8/8

3:46 pm-9:45 am

1 stop20h 59m

$867

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 8/1

6:15 pm-1:43 pm

2 stops16h 28m

Basseterre Robert Bradshaw Intl

Sat 8/8

3:46 pm-9:45 am

1 stop20h 59m

$872

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 8/22

5:32 pm-1:44 pm

2 stops17h 12m

Basseterre Robert Bradshaw Intl

Wed 8/26

2:44 pm-9:25 am

2 stops21h 41m

$911

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 8/22

7:40 am-1:44 pm

2 stops27h 04m

Basseterre Robert Bradshaw Intl

Wed 8/26

2:44 pm-12:20 am

1 stop12h 36m

$921

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 8/22

8:47 pm-1:44 pm

1 stop13h 57m

Basseterre Robert Bradshaw Intl

Wed 8/26

2:44 pm-12:20 am

1 stop12h 36m

$933
Quickest round-trip

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sun 7/19

8:45 pm-1:43 pm

1 stop13h 58m

Basseterre Robert Bradshaw Intl

Thu 7/30

2:43 pm-12:07 am

1 stop12h 24m

$947

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sun 7/19

6:15 pm-1:43 pm

2 stops16h 28m

Basseterre Robert Bradshaw Intl

Thu 7/30

2:43 pm-12:07 am

1 stop12h 24m

$1,072

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sun 7/19

6:15 pm-1:43 pm

2 stops16h 28m

Basseterre Robert Bradshaw Intl

Thu 7/30

2:43 pm-10:50 am

2 stops23h 07m

$1,202

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sun 11/1

8:33 am-5:49 pm

3 stops29h 16m

Basseterre Robert Bradshaw Intl

Thu 11/5

9:40 am-8:38 pm

2 stops14h 58m

$1,709

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sun 11/1

8:33 am-5:49 pm

3 stops29h 16m

Basseterre Robert Bradshaw Intl

Thu 11/5

9:40 am-8:38 pm

2 stops14h 58m

$1,714

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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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

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

13h 21m

Direct flights

None
The fastest flight from Seattle to Basseterre takes 13h 21m
There are no direct flights from Seattle to Basseterre. There are no popular flight routes from Seattle to Basseterre.
Search flight deals

Frequently asked questions about flying from Seattle to Basseterre

  • 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 13h 21m.

  • 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
11,766 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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