What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Basseterre round-trip?

American Airlines, at $643, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Basseterre.Alternate airlines to your destination round-trip include United Airlines and British Airways. These flights start at 45% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Basseterre one-way?

One-way options have recently been found by users for as low as $348 on Delta. Other airlines that offer cheap prices include American Airlines from $397 and United Airlines from $837 one-way.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Basseterre?

Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Basseterre (average of $559). Flying from Washington, D.C. Dulles Intl Airport to Basseterre in December is currently the most expensive (average of $677). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Basseterre?

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Basseterre flight should consider departing on Thursday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Basseterre ranges from 1.9 - 5.6 inches per month. September is typically the wettest month, when rainfall can reach 5.6 in. February is typically the driest time to visit Basseterre when rainfall is around 1.9 in.

If weather is an important factor for your trip to Basseterre, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

What is the cheapest day to fly round-trip from Washington, D.C. Dulles Intl Airport to Basseterre?

Users have found that flying from Washington, D.C. Dulles Intl Airport to Basseterre on a Friday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport to Basseterre?

Travelers have found it’s best to book a flight 40 days in advance to save up to 80% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 40 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Washington, D.C. Dulles Intl Airport to Basseterre 1-2 weeks in advance for as low as $888, or $977 for flights within the next 24 hours.

What is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Basseterre?

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, August can be a great choice for travel to Basseterre. Flights to Basseterre from Washington, D.C. Dulles Intl Airport in August are about $769 on average during August, but can be found for as low as $624.

What is the cheapest time of day to fly from IAD to SKB?

When flying from Washington, D.C. Dulles Intl Airport to Basseterre, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 20% versus a flight at noon.

What airport do you fly into for flights to Basseterre from Washington, D.C. Dulles Intl?

Most people fly into Basseterre Robert Bradshaw Intl (SKB) if they book a flight to Basseterre from Washington, D.C. Dulles Intl. On average, Robert Bradshaw Intl has 0 inbound flights from Washington, D.C. Dulles Intl per day from 1 airline. Basseterre Robert Bradshaw Intl is conveniently located just 1.1 mi from Basseterre’s city center.

Can I find deals for flights from Dulles Intl to Basseterre that include hotel bookings?

Yes. In addition to deals on Dulles Intl to Basseterre flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Dulles Intl to Basseterre?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Basseterre.

Can I find deals for business class flights from Dulles Intl to Basseterre?

Yes. Cheapflights offers flight deals from Dulles Intl to Basseterre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$348+ Flights from Washington, D.C. Dulles Intl Airport to Basseterre

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Cheap flight deals from Dulles Intl to Basseterre

Round-trip from	$643 (American Airlines)
One-way from	$348 (Delta)
Popular in	February
Cheapest in	March
Average price	$836

From Washington, D.C. Dulles Intl to Basseterre Robert Bradshaw Intl

Search Deals

One-way flight from Washington, D.C. Dulles Intl to Basseterre Robert Bradshaw Intl

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Highest demand for flights based on searches. 39% potential increase in price ($779 potential increase over avg. RT price).

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Cheapest flight prices on average. 47% potential price decrease ($375 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Dulles Intl to Basseterre

Cheapest flights from Dulles Intl to Basseterre
Explore the most affordable flight options available from Dulles Intl to Basseterre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Fri 9/197:21 pmIAD - SKB

2 stops18h 19mAmerican Airlines

Thu 9/252:42 pmSKB - IAD

2 stops19h 25mAmerican Airlines

Deal found 7/28

$643

Mon 8/48:15 amIAD - SKB

1 stop9h 34mUnited Airlines

Sat 8/91:32 pmSKB - IAD

1 stop9h 23mUnited Airlines

Deal found 7/29

$1,051

Wed 8/276:45 pmIAD - SKB

3 stops23h 10mMultiple Airlines

Wed 9/312:45 pmSKB - IAD

3 stops27h 43mMultiple Airlines

Deal found 7/28

$1,069

Sat 8/27:10 amIAD - SKB

1 stop7h 31mDelta

Sat 8/93:59 pmSKB - IAD

1 stop17h 20mDelta

Deal found 7/27

$1,153

Thu 9/45:20 pmIAD - SKB

3 stops46h 00mBritish Airways

Tue 9/95:00 pmSKB - IAD

3 stops26h 30mBritish Airways

Deal found 7/27

$7,767

Best flights from Dulles Intl to Basseterre
Discover carefully curated flight deals from Dulles Intl to Basseterre that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Fri 1/28:10 pmIAD - SKB

2 stops19h 05mAmerican Airlines

Fri 1/95:20 pmSKB - IAD

2 stops20h 21mAmerican Airlines

Deal found 7/27

$643

Wed 8/276:45 pmIAD - SKB

3 stops23h 10mMultiple Airlines

Wed 9/312:45 pmSKB - IAD

3 stops27h 43mMultiple Airlines

Deal found 7/28

$1,069

Sat 10/49:00 amIAD - SKB

1 stop8h 49mUnited Airlines

Sat 10/119:40 amSKB - IAD

1 stop11h 13mUnited Airlines

Deal found 7/26

$1,918

Thu 9/45:20 pmIAD - SKB

3 stops46h 00mBritish Airways

Tue 9/95:00 pmSKB - IAD

3 stops26h 30mBritish Airways

Deal found 7/27

$7,767

Last-minute flights from Dulles Intl to Basseterre
Discover last-minute flight deals from Dulles Intl to Basseterre. Data last updated July 29, 2025 and is based on user searches.

Sat 8/27:10 amIAD - SKB

1 stop7h 31mDelta

Sat 8/93:59 pmSKB - IAD

1 stop17h 20mDelta

Deal found 7/27

$1,153

Mon 8/48:15 amIAD - SKB

1 stop9h 34mUnited Airlines

Sat 8/91:32 pmSKB - IAD

1 stop9h 23mUnited Airlines

Deal found 7/29

$1,051

Mon 8/46:10 amIAD - SKB

2 stops11h 39mMultiple Airlines

Sat 8/91:32 pmSKB - IAD

1 stop9h 23mMultiple Airlines

Deal found 7/29

$1,413

Tue 8/58:06 pmIAD - SKB

2 stops17h 16mAmerican Airlines

Tue 8/122:30 pmSKB - IAD

2 stops19h 23mAmerican Airlines

Deal found 7/27

$938

Wed 8/277:25 pmIAD - SKB

2 stops17h 57mAmerican Airlines

Wed 9/32:42 pmSKB - IAD

2 stops19h 25mAmerican Airlines

Deal found 7/28

$883

Wed 8/276:45 pmIAD - SKB

3 stops23h 10mMultiple Airlines

Wed 9/312:45 pmSKB - IAD

3 stops27h 43mMultiple Airlines

Deal found 7/28

$1,069

One-way flights from Dulles Intl to Basseterre
Search for one-way flight options from Dulles Intl to Basseterre. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Sat 8/236:00 amIAD - SKB

1 stop8h 43mDelta

Deal found 7/29

$348

Sun 8/244:56 pmIAD - SKB

3 stops23h 04mMultiple Airlines

Deal found 7/29

$370

Sun 8/248:19 pmIAD - SKB

2 stops17h 03mAmerican Airlines

Deal found 7/29

$397

Sun 12/2812:45 pmIAD - SKB

1 stop28h 04mUnited Airlines

Deal found 7/29

$837

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Basseterre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Basseterre

IAD - SKB

IADSKB

Washington, D.C. Dulles Intl

Fri 1/2

8:10 pm-4:15 pm

2 stops19h 05m

Basseterre Robert Bradshaw Intl

Fri 1/9

5:20 pm-12:41 pm

2 stops20h 21m

$643

Washington, D.C.Basseterre

IAD - SKB

IADSKB

Washington, D.C. Dulles Intl

Wed 8/27

6:45 pm-5:55 pm

3 stops23h 10m

Basseterre Robert Bradshaw Intl

Wed 9/3

12:45 pm-4:28 pm

3 stops27h 43m

$1,069

Washington, D.C.Basseterre

IAD - SKB

IADSKB

Washington, D.C. Dulles Intl

Sat 10/4

9:00 am-5:49 pm

1 stop8h 49m

Basseterre Robert Bradshaw Intl

Sat 10/11

9:40 am-8:53 pm

1 stop11h 13m

$1,918

Washington, D.C.Basseterre

IAD - SKB

IADSKB

Washington, D.C. Dulles Intl

Thu 9/4

5:20 pm-3:20 pm

3 stops46h 00m

Basseterre Robert Bradshaw Intl

Tue 9/9

5:00 pm-7:30 pm

3 stops26h 30m

$7,767

Washington, D.C.Basseterre

IAD - SKB

IADSKB

Washington, D.C. Dulles Intl

Sat 8/23

6:00 am-2:43 pm

1 stop8h 43m

$348

Washington, D.C.Basseterre

IAD - SKB

IADSKB

Washington, D.C. Dulles Intl

Sun 8/24

4:56 pm-4:00 pm

3 stops23h 04m

$370

Washington, D.C.Basseterre

IAD - SKB

IADSKB

Washington, D.C. Dulles Intl

Sun 8/24

8:19 pm-1:22 pm

2 stops17h 03m

$397

Washington, D.C.Basseterre

IAD - SKB

IADSKB

Washington, D.C. Dulles Intl

Sun 12/28

12:45 pm-5:49 pm

1 stop28h 04m

$837

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Dulles Intl to Basseterre

Have a flexible travel schedule? Discover the best time to fly to Basseterre from Dulles Intl with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Basseterre

Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Washington, D.C. Dulles Intl Airport to Basseterre to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,977 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,899 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

British Airways

6.6

Okay

7,208 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly into for flights to Basseterre from Washington, D.C. Dulles Intl?
Most people fly into Basseterre Robert Bradshaw Intl (SKB) if they book a flight to Basseterre from Washington, D.C. Dulles Intl. On average, Robert Bradshaw Intl has 0 inbound flights from Washington, D.C. Dulles Intl per day from 1 airline. Basseterre Robert Bradshaw Intl is conveniently located just 1.1 mi from Basseterre’s city center.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Basseterre round-trip?
American Airlines, at $643, was found to be the cheapest airline from Washington, D.C. Dulles Intl Airport to Basseterre.Alternate airlines to your destination round-trip include United Airlines and British Airways. These flights start at 45% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Basseterre one-way?
One-way options have recently been found by users for as low as $348 on Delta. Other airlines that offer cheap prices include American Airlines from $397 and United Airlines from $837 one-way.
Can I find deals for flights from Dulles Intl to Basseterre that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Basseterre flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Basseterre?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Basseterre.
Can I find deals for business class flights from Dulles Intl to Basseterre?
Yes. Cheapflights offers flight deals from Dulles Intl to Basseterre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Basseterre?
Currently, May is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Basseterre (average of $559). Flying from Washington, D.C. Dulles Intl Airport to Basseterre in December is currently the most expensive (average of $677). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Dulles Intl to Basseterre

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$601	Average$732	FlexibilityNo cancel fee	On-time71%

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$348+ Cheap flights from Dulles Intl (IAD) to Basseterre (SKB)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Basseterre with Cheapflights

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Find flight deals from Dulles Intl to Basseterre

Cheapest flights from Dulles Intl to BasseterreExplore the most affordable flight options available from Dulles Intl to Basseterre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Dulles Intl to Basseterre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Basseterre that are best for you.

Best time to book a flight from Dulles Intl to Basseterre

Have a flexible travel schedule? Discover the best time to fly to Basseterre from Dulles Intl with our price prediction graph.

Reviews of airlines servicing Basseterre

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Basseterre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Basseterre from Washington, D.C. Dulles Intl?

What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Basseterre round-trip?

What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Basseterre one-way?

Can I find deals for flights from Dulles Intl to Basseterre that include hotel bookings?

How can I find direct flights from Dulles Intl to Basseterre?

Can I find deals for business class flights from Dulles Intl to Basseterre?

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Basseterre?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Basseterre

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Dulles Intl to Basseterre

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Cheapest flights from Dulles Intl to Basseterre
Explore the most affordable flight options available from Dulles Intl to Basseterre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.