Cheap flights from Washington, D.C. to Port of Spain from $158
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 Port of Spain departing on 8/19. 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 Port of Spain
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
American Airlines flights from Washington, D.C. to Port of Spain
Our best American Airlines deals on Washington, D.C. to Port of Spain flight tickets
Air Canada flights from Washington, D.C. to Port of Spain
Our best Air Canada deals on Washington, D.C. to Port of Spain flight tickets
See travel insights to Port of Spain from
How to get the cheapest flight ticket from Washington, D.C. to Port of Spain
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 typical price of a round-trip flight between Washington, D.C. and Port of Spain?
What is the cheapest month to fly to Port of Spain?
The month of January is, on average, the cheapest month to fly to Port of Spain from Washington, D.C., with most prices found around $428. If you’re not able to fly to Port of Spain in January, then May is your next best option. Flight prices from Washington, D.C. to Port of Spain during May average around $482.
What is the cheapest day to depart on your flight to Port of Spain?
The cheapest day to depart from Washington, D.C. to Port of Spain is on a Saturday when prices can be found for as low as $566. Flights from Washington, D.C. to Port of Spain on a Sunday will generally be more expensive and average around $655. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Port of Spain?
In the evening is the cheapest time of day to fly from Washington, D.C. to Port of Spain when you can find flight prices for as low as $492. Flying to Port of Spain in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Port of Spain, so prices are often more expensive at around $621 per ticket.
How far in advance should I book a flight to Port of Spain?
You are more likely to see cheaper flights to Port of Spain from Washington, D.C. when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Port of Spain for around $613 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Port of Spain from Washington, D.C. for as low as $486 on momondo.
Can stopping save me money on Washington, D.C. to Port of Spain flights?
You could potentially save up to 6% on your flight if you consider stops on a Washington, D.C. to Port of Spain flight.
How have Washington, D.C. to Port of Spain flight prices changed over time?
As of June 2025, prices for Washington, D.C. to Port of Spain flights are approximately 20% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Washington, D.C. to Port of Spain Piarco Intl?
Copa Airlines, Air Canada, and United Airlines are the most popular carriers operating from Washington, D.C. to Port of Spain Piarco Intl
What airlines fly to Port of Spain?
American Airlines, Copa Airlines and United Airlines are the top three most popular airlines that fly to Port of Spain from Washington, D.C. according to our data. American Airlines is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Port of Spain. Keep in mind that there are 3 different airlines that fly to Port of Spain on a routine basis, so you have a few additional options to choose from.
When to book flights from Washington, D.C. to Port of Spain
Cheap Washington, D.C. to Port of Spain (WAS to POS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Port of Spain
How far is Washington, D.C. to Port of Spain Piarco Intl by plane?
A flight from Washington, D.C. to Port of Spain Piarco Intl will travel around 2171.9 mi. Flights usually cover this in 7h 23m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Washington, D.C. to Port of Spain Piarco Intl Airport?
Prices for flights from Washington, D.C. to Port of Spain Piarco Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Washington, D.C. to Port of Spain Piarco Intl Airport?
The number of operators available for flights from Washington, D.C. to Port of Spain Piarco Intl Airport is 3 as of June 2025.
How old do you have to be to fly from Washington, D.C. to Port of Spain Piarco Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Port of Spain Piarco Intl Airport.
What documentation or ID do you need to fly to Port of Spain Piarco Intl Airport?
The travel and health documents required for your trip to Port of Spain Piarco Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Port of Spain Piarco Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Washington, D.C. to Port of Spain?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Port of Spain is American Airlines (56% of total bookings). The next most popular airlines are Copa Airlines (25%), United Airlines (17%), and Frontier (2%).
Best airlines flying from Washington, D.C. to Port of Spain
Compare and see reviews for airlines that fly from Washington, D.C. to Port of Spain with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $311 | Free Cancellation | Rating 7.5 1,451 reviews | |||
| PriceFrom $323 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $355 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Port of Spain?
Book flights to Port of Spain if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Washington, D.C. to Port of Spain?
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 Port of Spain from Washington, D.C..
Can I find flights from Washington, D.C. to Port of Spain with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Washington, D.C. to Port of Spain flights to just show those with flexible booking policies.
How can momondo help me find flights from Washington, D.C. to Port of Spain?
Once all potential Washington, D.C. to Port of Spain flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Washington, D.C. to Port of Spain right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Port of Spain, momondo offers a useful price alert feature which will track prices for flights to Port of Spain from Washington, D.C. and alert you when they change.