Cheap flights from Port of Spain to St. Louis from $370
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Port of Spain to St. Louis departing on 5/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Port of Spain to St. Louis
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 St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $556. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $782. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Port of Spain in the morning is the least expensive time of day to depart. momondo users have found prices as low as $680 when looking at flights departing in the morning. In the afternoon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $713 per ticket.
When to book flights from Port of Spain to St. Louis
Cheap Port of Spain to St. Louis (POS to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Port of Spain to St. Louis
How far is Port of Spain Piarco Intl to Lambert-St Louis by plane?
A flight from Port of Spain Piarco Intl to Lambert-St Louis will travel around 2617.4 mi. A reasonable flight in good conditions will take 10h 01m.
When did momondo last update prices for flights from Port of Spain Piarco Intl Airport to Lambert-St Louis Airport?
Prices for flights from Port of Spain Piarco Intl Airport to Lambert-St Louis Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Port of Spain Piarco Intl Airport to Lambert-St Louis Airport?
As of May 2025, there is 1 operator available to choose from for flights from Port of Spain Piarco Intl Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Port of Spain Piarco Intl Airport to Lambert-St Louis 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 Port of Spain Piarco Intl Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis 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 Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Port of Spain to St. Louis?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Port of Spain to St. Louis is United Airlines (100% of total bookings).
Best airlines flying from Port of Spain to St. Louis
Compare and see reviews for airlines that fly from Port of Spain to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $556 | Free Cancellation | Rating 7.4 8,702 reviews |
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Why should I use momondo to find a flight deal from Port of Spain to St. Louis?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Port of Spain to St. Louis. momondo saves you time and could save you money on your trip.
Can I find flights from Port of Spain to St. Louis with flexible booking policies on momondo?
Flights from Port of Spain to St. Louis with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Port of Spain to St. Louis?
momondo provides multiple filters to help you find the best flight to St. Louis from Port of Spain. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Port of Spain to St. Louis right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Port of Spain to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.