Cheap flights from Washington, D.C. to Saint Lucia from $163
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, D.C. to Saint Lucia departing on 8/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
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.Find the cheapest flights from Washington, D.C. to Saint Lucia
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
American Airlines flights from Washington, D.C. to Saint Lucia
Our best American Airlines deals on Washington, D.C. to Saint Lucia flight tickets
Delta flights from Washington, D.C. to Saint Lucia
Our best Delta deals on Washington, D.C. to Saint Lucia flight tickets
See travel insights to Saint Lucia from
How to get the cheapest flight ticket from Washington, D.C. to Saint Lucia
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 month to fly to Saint Lucia?
The month of January is, on average, the cheapest month to fly to Saint Lucia from Washington, D.C., with most prices found around $655. If you aren’t able to travel to Saint Lucia during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $656.
What is the cheapest day to depart on your flight to Saint Lucia?
Our data shows that Wednesday is the least expensive day to fly to Saint Lucia. Tickets to fly out on this day can be as low as $659. On the other hand, Saturday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,237.
What is the cheapest airline that flies from Washington, D.C. to Saint Lucia?
Delta, Air Canada, and JetBlue are the most popular carriers operating from Washington, D.C. to Saint Lucia
What airlines fly to Saint Lucia?
American Airlines, Delta and JetBlue are the top three most popular airlines that fly to Saint Lucia from Washington, D.C. according to our data. American Airlines is the first choice among our users, with 72% of people opting to fly with this airline when traveling to Saint Lucia. Keep in mind that there are 3 different airlines that fly to Saint Lucia on a routine basis, so you have a few additional options to choose from.
Cheap Washington, D.C. to Saint Lucia flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Saint Lucia
When did momondo last update prices for flights from Washington, D.C. to Saint Lucia?
Prices for flights from Washington, D.C. to Saint Lucia were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Saint Lucia?
As of April 2025, there are 3 operators available to choose from for flights from Washington, D.C. to Saint Lucia.
How old do you have to be to fly from Washington, D.C. to Saint Lucia?
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. to Saint Lucia.
What documentation or ID do you need to fly to Saint Lucia?
The travel and health documents you'll need for your trip to Saint Lucia 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 Saint Lucia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Washington, D.C. to Saint Lucia
Compare and see reviews for airlines that fly from Washington, D.C. to Saint Lucia with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $313 | Free Cancellation | Rating 7.3 2,924 reviews | |||
| PriceFrom $391 | Free Cancellation | Rating 8.0 7,920 reviews | |||
| PriceFrom $535 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Saint Lucia?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Saint Lucia. Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Washington, D.C. to Saint Lucia with flexible booking policies on momondo?
momondo does allow users to show only those flights to Saint Lucia from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Washington, D.C. to Saint Lucia?
momondo helps you find the best flight between Washington, D.C. and Saint Lucia 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 Saint Lucia right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Washington, D.C. to Saint Lucia 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.