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Cheap flights from Washington to Basseterre from $378

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Basseterre departing on 5/15. 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
10:15 pm - 2:47 pm
PDX
-
SKB
12h 32m2 stops
American Airlines Logo
5:35 pm - 1:21 pm
SKB
-
PDX
23h 46m2 stops
$696American Airlines
Sat, Jan 31 - Sat, Feb 7
American Airlines Logo
11:01 pm - 2:47 pm
PDX
-
SKB
11h 46m1 stop
American Airlines Logo
3:47 pm - 8:24 pm
SKB
-
PDX
32h 37m1 stop
$709American Airlines
Sat, Jan 31 - Sat, Feb 7
American Airlines Logo
10:55 pm - 4:30 pm
PDX
-
SKB
13h 35m1 stop
American Airlines Logo
3:17 pm - 11:59 pm
SKB
-
PDX
12h 42m1 stop
$716American Airlines
Fri, Feb 20 - Sat, Feb 28
American Airlines Logo
10:11 pm - 2:17 pm
SEA
-
SKB
12h 06m1 stop
American Airlines Logo
2:23 pm - 11:40 pm
SKB
-
SEA
12h 17m1 stop
$716American Airlines
Sun, Mar 1 - Wed, Mar 11
Delta Logo
5:10 pm - 3:13 pm
PDX
-
SKB
18h 03m2 stops
Delta Logo
2:53 pm - 9:25 am
SKB
-
PDX
22h 32m2 stops
$721Delta
Fri, Feb 20 - Sat, Feb 28
American Airlines Logo
6:26 pm - 2:17 pm
SEA
-
SKB
15h 51m2 stops
American Airlines Logo
2:23 pm - 10:55 am
SKB
-
SEA
23h 32m2 stops
$721American Airlines
Sun, Mar 1 - Wed, Mar 11
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 - 11:01 am
SKB
-
SEA
23h 14m2 stops
$811American Airlines
Sat, Jan 24 - Sun, Feb 1
American Airlines Logo
1:01 pm - 1:15 pm
SEA
-
SKB
21h 14m1 stop
American Airlines Logo
2:36 pm - 10:55 pm
SKB
-
SEA
11h 19m1 stop
$814American Airlines
Sat, May 23 - Sat, May 30
United Airlines Logo
1:40 pm - 1:34 pm
PDX
-
SKB
19h 54m2 stops
United Airlines Logo
2:40 pm - 12:38 pm
SKB
-
PDX
25h 58m3 stops
$856United Airlines
Fri, Feb 20 - Sat, Feb 28

American Airlines flights from State of Washington to Basseterre

Our best American Airlines deals on State of Washington to Basseterre flight tickets
American Airlines
Jan 31
PDX10:15 pmPortland
12h 32m
2 stops
SKB2:47 pmBasseterre Robert Bradshaw Intl
Feb 7
SKB5:35 pmBasseterre Robert Bradshaw Intl
23h 46m
2 stops
PDX1:21 pmPortland
$696
Find similar
American Airlines
Jan 31
PDX11:01 pmPortland
11h 46m
1 stop
SKB2:47 pmBasseterre Robert Bradshaw Intl
Feb 7
SKB3:47 pmBasseterre Robert Bradshaw Intl
32h 37m
1 stop
PDX8:24 pmPortland
$709
Find similar
American Airlines
Feb 20
PDX10:55 pmPortland
13h 35m
1 stop
SKB4:30 pmBasseterre Robert Bradshaw Intl
Feb 28
SKB3:17 pmBasseterre Robert Bradshaw Intl
12h 42m
1 stop
PDX11:59 pmPortland
$716
Find similar

United Airlines flights from State of Washington to Basseterre

Our best United Airlines deals on State of Washington to Basseterre flight tickets
United Airlines
Feb 20
PDX1:40 pmPortland
19h 54m
2 stops
SKB1:34 pmBasseterre Robert Bradshaw Intl
Feb 28
SKB2:40 pmBasseterre Robert Bradshaw Intl
25h 58m
3 stops
PDX12:38 pmPortland
$856
Find similar
United Airlines
Apr 28
PDX11:10 pmPortland
14h 03m
2 stops
SKB4:13 pmBasseterre Robert Bradshaw Intl
May 2
SKB1:42 pmBasseterre Robert Bradshaw Intl
26h 33m
2 stops
PDX1:15 pmPortland
$1,354
Find similar
United Airlines
Apr 28
SEA11:59 pmSeattle/Tacoma Intl
37h 14m
2 stops
SKB4:13 pmBasseterre Robert Bradshaw Intl
May 2
SKB1:42 pmBasseterre Robert Bradshaw Intl
13h 17m
1 stop
SEA11:59 pmSeattle/Tacoma Intl
$1,359
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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 18, 2025.
Use the filters below to find and compare flights from Washington to Basseterre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandBasseterre

PDX - SKB

PDXSKB

Portland

Sat 1/31

10:15 pm-2:47 pm

2 stops12h 32m

Basseterre Robert Bradshaw Intl

Sat 2/7

5:35 pm-1:21 pm

2 stops23h 46m

$696

PortlandBasseterre

PDX - SKB

PDXSKB

Portland

Sat 1/31

11:01 pm-2:47 pm

1 stop11h 46m

Basseterre Robert Bradshaw Intl

Sat 2/7

3:47 pm-8:24 pm

1 stop32h 37m

$709

PortlandBasseterre

PDX - SKB

PDXSKB

Portland

Fri 2/20

10:55 pm-4:30 pm

1 stop13h 35m

Basseterre Robert Bradshaw Intl

Sat 2/28

3:17 pm-11:59 pm

1 stop12h 42m

$716

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sun 3/1

10:11 pm-2:17 pm

1 stop12h 06m

Basseterre Robert Bradshaw Intl

Wed 3/11

2:23 pm-11:40 pm

1 stop12h 17m

$716

PortlandBasseterre

PDX - SKB

PDXSKB

Portland

Fri 2/20

5:10 pm-3:13 pm

2 stops18h 03m

Basseterre Robert Bradshaw Intl

Sat 2/28

2:53 pm-9:25 am

2 stops22h 32m

$721

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sun 3/1

6:26 pm-2:17 pm

2 stops15h 51m

Basseterre Robert Bradshaw Intl

Wed 3/11

2:23 pm-10:55 am

2 stops23h 32m

$721

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-11:01 am

2 stops23h 14m

$811

SeattleBasseterre

SEA - SKB

SEASKB

Seattle/Tacoma Intl

Sat 5/23

1:01 pm-1:15 pm

1 stop21h 14m

Basseterre Robert Bradshaw Intl

Sat 5/30

2:36 pm-10:55 pm

1 stop11h 19m

$814

PortlandBasseterre

PDX - SKB

PDXSKB

Portland

Fri 2/20

1:40 pm-1:34 pm

2 stops19h 54m

Basseterre Robert Bradshaw Intl

Sat 2/28

2:40 pm-12:38 pm

3 stops25h 58m

$856

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 State of Washington 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 State of Washington to Basseterre flights?

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

Cheap State of Washington to Basseterre flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Basseterre

Fastest flight time

10h 43m

Direct flights

None
The fastest flight from State of Washington to Basseterre takes 10h 43m
There are no direct flights from State of Washington to Basseterre. There are no popular flight routes from State of Washington to Basseterre.
Search flight deals

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

    Prices for flights from Washington to Basseterre Robert Bradshaw Intl Airport are updated daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Basseterre Robert Bradshaw Intl Airport.

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

    The required travel and health documents for your Basseterre Robert Bradshaw Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Basseterre Robert Bradshaw Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from State of Washington to Basseterre

Compare and see reviews for airlines that fly from State of Washington to Basseterre with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $705Free CancellationRating
7.2
11,055 reviews
Search American Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington to Basseterre. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Basseterre from Washington with this policy.

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

momondo provides multiple filters to help you find the best flight to Basseterre from Washington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Basseterre from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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