Cheap flights from Washington, D.C. Dulles Intl Airport to Castries from $495

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:55 am - 7:00 pmIAD  Washington, D.C. Dulles Intl-SLU Castries George F. L. Charle
32h 05m2 stops Montreal Pierre Elliott Trudeau Intl Bridgetown Grantley Adams Intl
Multiple Airlines Logo
3:45 pm - 7:17 pmSLU  Castries George F. L. Charle-IAD Washington, D.C. Dulles Intl
52h 32m2 stops Bridgetown Grantley Adams Intl Montreal Pierre Elliott Trudeau Intl
$1,015Multiple Airlines
Sat, Mar 6 - Sat, Mar 13
Multiple Airlines Logo
10:10 pm - 7:00 pmIAD  Washington, D.C. Dulles Intl-SLU Castries George F. L. Charle
19h 50m2 stops Toronto Pearson Intl Bridgetown Grantley Adams Intl
Multiple Airlines Logo
9:10 am - 11:48 amSLU  Castries George F. L. Charle-IAD Washington, D.C. Dulles Intl
27h 38m3 stops Bridgetown Grantley Adams Intl Toronto Pearson Intl Ottawa
$1,211Multiple Airlines
Mon, Dec 7 - Thu, Dec 10
Multiple Airlines Logo
9:55 am - 8:10 amIAD  Washington, D.C. Dulles Intl-SLU Castries George F. L. Charle
21h 15m2 stops Toronto Pearson Intl Port of Spain Piarco Intl
Multiple Airlines Logo
6:00 pm - 9:26 pmSLU  Castries George F. L. Charle-IAD Washington, D.C. Dulles Intl
28h 26m2 stops Port of Spain Piarco Intl Toronto Pearson Intl
$1,256Multiple Airlines
Mon, Dec 7 - Thu, Dec 10
Multiple Airlines Logo
5:15 pm - 7:00 pmIAD  Washington, D.C. Dulles Intl-SLU Castries George F. L. Charle
24h 45m3 stops Toronto Island Montreal Pierre Elliott Trudeau Intl Bridgetown Grantley Adams Intl
Multiple Airlines Logo
9:10 am - 4:33 pmSLU  Castries George F. L. Charle-IAD Washington, D.C. Dulles Intl
32h 23m3 stops Bridgetown Grantley Adams Intl Montreal Pierre Elliott Trudeau Intl Toronto Island
$1,280Multiple Airlines
Sat, Jan 23 - Sat, Jan 30
Multiple Airlines Logo
5:15 pm - 7:00 pmIAD  Washington, D.C. Dulles Intl-SLU Castries George F. L. Charle
24h 45m3 stops Toronto Island Montreal Pierre Elliott Trudeau Intl Bridgetown Grantley Adams Intl
Multiple Airlines Logo
12:35 pm - 8:23 pmSLU  Castries George F. L. Charle-IAD Washington, D.C. Dulles Intl
32h 48m3 stops Bridgetown Grantley Adams Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$1,296Multiple Airlines
Tue, Jan 19 - Wed, Jan 27
Multiple Airlines Logo
5:15 pm - 7:00 pmIAD  Washington, D.C. Dulles Intl-SLU Castries George F. L. Charle
24h 45m3 stops Toronto Island Montreal Pierre Elliott Trudeau Intl Bridgetown Grantley Adams Intl
Multiple Airlines Logo
12:35 pm - 11:34 amSLU  Castries George F. L. Charle-IAD Washington, D.C. Dulles Intl
23h 59m2 stops Bridgetown Grantley Adams Intl Montreal Pierre Elliott Trudeau Intl
$1,333Multiple Airlines
Tue, Jan 19 - Wed, Jan 27
Multiple Airlines Logo
12:40 pm - 7:00 pmIAD  Washington, D.C. Dulles Intl-SLU Castries George F. L. Charle
29h 20m2 stops Toronto Pearson Intl Bridgetown Grantley Adams Intl
Multiple Airlines Logo
3:45 pm - 8:10 pmSLU  Castries George F. L. Charle-IAD Washington, D.C. Dulles Intl
53h 25m2 stops Bridgetown Grantley Adams Intl Toronto Pearson Intl
$1,380Multiple Airlines
Thu, Feb 11 - Tue, Feb 16
Multiple Airlines Logo
12:39 pm - 7:00 pmIAD  Washington, D.C. Dulles Intl-SLU Castries George F. L. Charle
29h 21m3 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl Bridgetown Grantley Adams Intl
Multiple Airlines Logo
6:55 pm - 8:10 pmSLU  Castries George F. L. Charle-IAD Washington, D.C. Dulles Intl
26h 15m2 stops Port of Spain Piarco Intl Toronto Pearson Intl
$1,401Multiple Airlines
Wed, Nov 25 - Sun, Nov 29
Multiple Airlines Logo
5:20 pm - 7:00 pmIAD  Washington, D.C. Dulles Intl-SLU Castries George F. L. Charle
24h 40m3 stops Toronto Island Montreal Pierre Elliott Trudeau Intl Bridgetown Grantley Adams Intl
Multiple Airlines Logo
12:35 pm - 4:26 pmSLU  Castries George F. L. Charle-IAD Washington, D.C. Dulles Intl
28h 51m3 stops Bridgetown Grantley Adams Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
$1,403Multiple Airlines
Sat, Nov 21 - Fri, Nov 27
Multiple Airlines Logo
11:20 am - 3:35 pmIAD  Washington, D.C. Dulles Intl-SLU Castries George F. L. Charle
27h 15m2 stops Toronto Island Port of Spain Piarco Intl
Multiple Airlines Logo
7:40 pm - 8:49 pmSLU  Castries George F. L. Charle-IAD Washington, D.C. Dulles Intl
26h 09m2 stops Port of Spain Piarco Intl Miami
$1,418Multiple Airlines
Thu, Dec 17 - Mon, Dec 21

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - SLU Castries George F. L. Charle

IADSLU

Washington, D.C. Dulles Intl

Sat 3/6

9:55 am-7:00 pm

2 stops32h 05m

Castries George F. L. Charle

Sat 3/13

3:45 pm-7:17 pm

2 stops52h 32m

$1,015
Quickest round-trip

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - SLU Castries George F. L. Charle

IADSLU

Washington, D.C. Dulles Intl

Mon 12/7

10:10 pm-7:00 pm

2 stops19h 50m

Castries George F. L. Charle

Thu 12/10

9:10 am-11:48 am

3 stops27h 38m

$1,211

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - SLU Castries George F. L. Charle

IADSLU

Washington, D.C. Dulles Intl

Mon 12/7

9:55 am-8:10 am

2 stops21h 15m

Castries George F. L. Charle

Thu 12/10

6:00 pm-9:26 pm

2 stops28h 26m

$1,256

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - SLU Castries George F. L. Charle

IADSLU

Washington, D.C. Dulles Intl

Sat 1/23

5:15 pm-7:00 pm

3 stops24h 45m

Castries George F. L. Charle

Sat 1/30

9:10 am-4:33 pm

3 stops32h 23m

$1,280

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - SLU Castries George F. L. Charle

IADSLU

Washington, D.C. Dulles Intl

Tue 1/19

5:15 pm-7:00 pm

3 stops24h 45m

Castries George F. L. Charle

Wed 1/27

12:35 pm-8:23 pm

3 stops32h 48m

$1,296

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - SLU Castries George F. L. Charle

IADSLU

Washington, D.C. Dulles Intl

Tue 1/19

5:15 pm-7:00 pm

3 stops24h 45m

Castries George F. L. Charle

Wed 1/27

12:35 pm-11:34 am

2 stops23h 59m

$1,333

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - SLU Castries George F. L. Charle

IADSLU

Washington, D.C. Dulles Intl

Thu 2/11

12:40 pm-7:00 pm

2 stops29h 20m

Castries George F. L. Charle

Tue 2/16

3:45 pm-8:10 pm

2 stops53h 25m

$1,380

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - SLU Castries George F. L. Charle

IADSLU

Washington, D.C. Dulles Intl

Wed 11/25

12:39 pm-7:00 pm

3 stops29h 21m

Castries George F. L. Charle

Sun 11/29

6:55 pm-8:10 pm

2 stops26h 15m

$1,401

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - SLU Castries George F. L. Charle

IADSLU

Washington, D.C. Dulles Intl

Sat 11/21

5:20 pm-7:00 pm

3 stops24h 40m

Castries George F. L. Charle

Fri 11/27

12:35 pm-4:26 pm

3 stops28h 51m

$1,403

Washington, D.C.Castries

IAD Washington, D.C. Dulles Intl - SLU Castries George F. L. Charle

IADSLU

Washington, D.C. Dulles Intl

Thu 12/17

11:20 am-3:35 pm

2 stops27h 15m

Castries George F. L. Charle

Mon 12/21

7:40 pm-8:49 pm

2 stops26h 09m

$1,418

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

When to book flights from Washington, D.C. Dulles Intl Airport to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Castries according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Castries (IAD to SLU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Castries

Best Price Found

$495

Fastest flight time

19h 50m

Direct flights

None
The best one-way flight to Castries from Washington, D.C. Dulles Intl Airport in the past 72 hours is $495. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Castries found on momondo in the last 72 hours is $1,015.
The fastest flight from Washington, D.C. Dulles Intl Airport to Castries takes 19h 50m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Castries. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Castries.

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Castries

  • How far is Washington, D.C. Dulles Intl to Castries George F. L. Charle by plane?

    There are 1992.4 mi between Washington, D.C. Dulles Intl and Castries George F. L. Charle. Typically, this will take 19h 50m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Castries George F. L. Charle Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Castries George F. L. Charle Airport are updated daily.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Castries George F. L. Charle 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, D.C. Dulles Intl Airport to Castries George F. L. Charle Airport.

  • What documentation or ID do you need to fly to Castries George F. L. Charle Airport?

    The required travel and health documents for your Castries George F. L. Charle 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 Castries George F. L. Charle Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Castries

  • How do I get Price Alerts for flights from Washington, D.C. Dulles Intl Airport to Castries?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Washington, D.C. Dulles Intl Airport from Castries. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Washington, D.C. Dulles Intl Airport to Castries with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Gros Islet
Marigot Bay
Rodney Bay

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Castries?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Castries from Washington, D.C..

Can I find flights from Washington, D.C. to Castries with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Castries flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Castries?

momondo helps you find the best flight between Washington, D.C. and Castries by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Castries from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Castries trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 12/8
Tue 12/15

Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia