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Cheap flights from Seattle to Basseterre from $831

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 3/30. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:52 pm - 3:15 pmSEA-SKB
13h 23m1 stop
American Airlines Logo
4:25 pm - 10:36 pmSKB-SEA
33h 11m2 stops
$831American Airlines
Find Deal
Mon, Mar 30 - Thu, Apr 2
American Airlines Logo
10:06 pm - 2:15 pmSEA-SKB
12h 09m1 stop
American Airlines Logo
4:25 pm - 12:31 pmSKB-SEA
23h 06m2 stops
$856American Airlines
Find Deal
Sat, Feb 28 - Sun, Mar 8
American Airlines Logo
1:33 am - 3:15 pmSEA-SKB
34h 42m2 stops
American Airlines Logo
4:25 pm - 10:36 pmSKB-SEA
33h 11m2 stops
$859American Airlines
Find Deal
Sun, Mar 29 - Thu, Apr 2
American Airlines Logo
1:51 pm - 2:30 pmSEA-SKB
20h 39m1 stop
American Airlines Logo
4:25 pm - 12:27 pmSKB-SEA
23h 02m2 stops
$881American Airlines
Find Deal
Fri, Mar 6 - Sun, Mar 15
American Airlines Logo
3:00 pm - 2:15 pmSEA-SKB
19h 15m2 stops
American Airlines Logo
4:25 pm - 12:31 pmSKB-SEA
23h 06m2 stops
$903American Airlines
Find Deal
Sat, Feb 28 - Sun, Mar 8
American Airlines Logo
6:41 pm - 3:18 pmSEA-SKB
16h 37m2 stops
American Airlines Logo
4:28 pm - 9:46 amSKB-SEA
21h 18m2 stops
$916American Airlines
Find Deal
Wed, Nov 19 - Wed, Nov 26
American Airlines Logo
6:26 pm - 2:15 pmSEA-SKB
15h 49m2 stops
American Airlines Logo
4:25 pm - 12:27 pmSKB-SEA
23h 02m2 stops
$941American Airlines
Find Deal
Fri, Mar 6 - Sun, Mar 15
American Airlines Logo
10:08 pm - 3:18 pmSEA-SKB
13h 10m1 stop
American Airlines Logo
4:28 pm - 9:46 amSKB-SEA
21h 18m2 stops
$966American Airlines
Find Deal
Wed, Nov 19 - Wed, Nov 26
Multiple Airlines Logo
5:50 am - 5:45 pmSEA-SKB
31h 55m3 stops
Multiple Airlines Logo
4:30 pm - 2:31 pmSKB-SEA
26h 01m2 stops
$1,872Multiple Airlines
Find Deal
Tue, Dec 23 - Sat, Dec 27
Multiple Airlines Logo
3:40 pm - 5:45 pmSEA-SKB
22h 05m3 stops
Multiple Airlines Logo
4:30 pm - 2:31 pmSKB-SEA
26h 01m3 stops
$2,360Multiple Airlines
Find Deal
Tue, Dec 23 - Sat, Dec 27

American Airlines flights from Seattle to Basseterre

Our best American Airlines deals on Seattle to Basseterre flight tickets
American Airlines
Mar 30
SEA10:52 pmSeattle/Tacoma Intl
13h 23m
1 stop
SKB3:15 pmBasseterre Robert Bradshaw Intl
Apr 2
SKB4:25 pmBasseterre Robert Bradshaw Intl
33h 11m
2 stops
SEA10:36 pmSeattle/Tacoma Intl
$831
Find similar
American Airlines
Feb 28
SEA10:06 pmSeattle/Tacoma Intl
12h 09m
1 stop
SKB2:15 pmBasseterre Robert Bradshaw Intl
Mar 8
SKB4:25 pmBasseterre Robert Bradshaw Intl
23h 06m
2 stops
SEA12:31 pmSeattle/Tacoma Intl
$856
Find similar
American Airlines
Mar 29
SEA1:33 amSeattle/Tacoma Intl
34h 42m
2 stops
SKB3:15 pmBasseterre Robert Bradshaw Intl
Apr 2
SKB4:25 pmBasseterre Robert Bradshaw Intl
33h 11m
2 stops
SEA10:36 pmSeattle/Tacoma Intl
$859
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 November 4, 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

Mon 3/30

10:52 pm-3:15 pm

1 stop13h 23m

Basseterre Robert Bradshaw Intl

Thu 4/2

4:25 pm-10:36 pm

2 stops33h 11m

$831

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 2/28

10:06 pm-2:15 pm

1 stop12h 09m

Basseterre Robert Bradshaw Intl

Sun 3/8

4:25 pm-12:31 pm

2 stops23h 06m

$856

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sun 3/29

1:33 am-3:15 pm

2 stops34h 42m

Basseterre Robert Bradshaw Intl

Thu 4/2

4:25 pm-10:36 pm

2 stops33h 11m

$859

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Fri 3/6

1:51 pm-2:30 pm

1 stop20h 39m

Basseterre Robert Bradshaw Intl

Sun 3/15

4:25 pm-12:27 pm

2 stops23h 02m

$881

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 2/28

3:00 pm-2:15 pm

2 stops19h 15m

Basseterre Robert Bradshaw Intl

Sun 3/8

4:25 pm-12:31 pm

2 stops23h 06m

$903

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Wed 11/19

6:41 pm-3:18 pm

2 stops16h 37m

Basseterre Robert Bradshaw Intl

Wed 11/26

4:28 pm-9:46 am

2 stops21h 18m

$916

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Fri 3/6

6:26 pm-2:15 pm

2 stops15h 49m

Basseterre Robert Bradshaw Intl

Sun 3/15

4:25 pm-12:27 pm

2 stops23h 02m

$941

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Wed 11/19

10:08 pm-3:18 pm

1 stop13h 10m

Basseterre Robert Bradshaw Intl

Wed 11/26

4:28 pm-9:46 am

2 stops21h 18m

$966

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Tue 12/23

5:50 am-5:45 pm

3 stops31h 55m

Basseterre Robert Bradshaw Intl

Sat 12/27

4:30 pm-2:31 pm

2 stops26h 01m

$1,872

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Tue 12/23

3:40 pm-5:45 pm

3 stops22h 05m

Basseterre Robert Bradshaw Intl

Sat 12/27

4:30 pm-2:31 pm

3 stops26h 01m

$2,360

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

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 6% 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

Direct flights

None
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 09m.

  • 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
11,040 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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