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Cheap flights from Seattle to Basseterre from $448

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Basseterre departing on 1/11. 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.
American Airlines Logo
11:11 pm - 2:47 pm
SEA
-
SKB
11h 36m1 stop
American Airlines Logo
3:47 pm - 11:42 pm
SKB
-
SEA
11h 55m1 stop
$806American Airlines
Sat, Jan 24 - Sun, Feb 1
American Airlines Logo
11:11 pm - 2:47 pm
SEA
-
SKB
11h 36m1 stop
American Airlines Logo
3:47 pm - 9:30 am
SKB
-
SEA
21h 43m2 stops
$811American Airlines
Sat, Jan 24 - Sun, Feb 1
Multiple Airlines Logo
8:10 am - 3:25 pm
SEA
-
SKB
27h 15m1 stop
Multiple Airlines Logo
8:30 am - 10:06 pm
SKB
-
SEA
41h 36m3 stops
$1,159Multiple Airlines
Fri, Jan 9 - Mon, Jan 12
American Airlines Logo
9:45 pm - 2:47 pm
SEA
-
SKB
13h 02m1 stop
American Airlines Logo
3:47 pm - 11:42 pm
SKB
-
SEA
11h 55m1 stop
$1,328American Airlines
Fri, Jan 9 - Mon, Jan 12
American Airlines Logo
9:45 pm - 2:47 pm
SEA
-
SKB
13h 02m1 stop
American Airlines Logo
3:47 pm - 11:45 am
SKB
-
SEA
23h 58m2 stops
$1,333American Airlines
Fri, Jan 9 - Mon, Jan 12

American Airlines flights from Seattle to Basseterre

Our best American Airlines deals on Seattle to Basseterre flight tickets
American Airlines
Jan 24
SEA11:11 pmSeattle/Tacoma Intl
11h 36m
1 stop
SKB2:47 pmBasseterre Robert Bradshaw Intl
Feb 1
SKB3:47 pmBasseterre Robert Bradshaw Intl
11h 55m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
$806
Find similar
American Airlines
Jan 24
SEA11:11 pmSeattle/Tacoma Intl
11h 36m
1 stop
SKB2:47 pmBasseterre Robert Bradshaw Intl
Feb 1
SKB3:47 pmBasseterre Robert Bradshaw Intl
21h 43m
2 stops
SEA9:30 amSeattle/Tacoma Intl
$811
Find similar
American Airlines
Jan 2
SEA10:06 pmSeattle/Tacoma Intl
14h 23m
1 stop
SKB4:29 pmBasseterre Robert Bradshaw Intl
Jan 10
SKB3:47 pmBasseterre Robert Bradshaw Intl
11h 55m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
$1,036
Find similar

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 December 28, 2025.
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

Sat 1/24

11:11 pm-2:47 pm

1 stop11h 36m

Basseterre Robert Bradshaw Intl

Sun 2/1

3:47 pm-11:42 pm

1 stop11h 55m

$806

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 1/24

11:11 pm-2:47 pm

1 stop11h 36m

Basseterre Robert Bradshaw Intl

Sun 2/1

3:47 pm-9:30 am

2 stops21h 43m

$811

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Fri 1/9

8:10 am-3:25 pm

1 stop27h 15m

Basseterre Robert Bradshaw Intl

Mon 1/12

8:30 am-10:06 pm

3 stops41h 36m

$1,159

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Fri 1/9

9:45 pm-2:47 pm

1 stop13h 02m

Basseterre Robert Bradshaw Intl

Mon 1/12

3:47 pm-11:42 pm

1 stop11h 55m

$1,328

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Fri 1/9

9:45 pm-2:47 pm

1 stop13h 02m

Basseterre Robert Bradshaw Intl

Mon 1/12

3:47 pm-11:45 am

2 stops23h 58m

$1,333

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sun 1/11

11:11 pm-2:47 pm

1 stop11h 36m

$448

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Mon 1/12

7:55 am-3:30 pm

2 stops51h 35m

$485

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Mon 1/12

3:10 pm-3:30 pm

3 stops44h 20m

$499

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Mon 1/12

10:50 am-2:47 pm

2 stops23h 57m

$503

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 1/10

7:55 pm-5:55 pm

3 stops18h 00m

$519

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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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 cheapest day to depart on your flight to Basseterre?

The cheapest day to depart on your flight to Basseterre is on a Tuesday when prices can be found for as low as $781. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Basseterre on Saturday is $1,138.

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

12h 58m

Direct flights

None
The fastest flight from Seattle to Basseterre takes 12h 58m
There are no direct flights from Seattle to Basseterre. There are no popular flight routes from Seattle to Basseterre.
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  • 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 12h 58m.

  • 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 $705Free CancellationRating
7.2
11,072 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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