$557 Cheap Flights from Port of Spain (POS) to Flagstaff (FLG)

View $557 flight on Mon, Dec 29, 2025Opens in a new window

Popular airlines from Piarco Intl. Airport (POS) to Flagstaff Pulliam Field (FLG)

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Cheap Flights from Port of Spain to Flagstaff (POS-FLG)

Prices were available within the past 7 days and start at $557 for one-way flights and $1,113 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, Dec 29 - Sat, Jan 3
POS
Trinidad
FLG
Flagstaff
$1,113 Roundtrip, found 3 days ago
$1,113
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 29 from Trinidad to Flagstaff, returning Sat, Jan 3, priced at $1,113 found 3 days ago
American Airlines
Mon, Dec 29 - Sat, Jan 3
POS
Trinidad
FLG
Flagstaff
$1,119 Roundtrip, found 3 days ago
$1,119
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 29 from Trinidad to Flagstaff, returning Sat, Jan 3, priced at $1,119 found 3 days ago
American Airlines
Mon, Dec 29 - Sat, Jan 3
POS
Trinidad
FLG
Flagstaff
$1,120 Roundtrip, found 3 days ago
$1,120
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 29 from Trinidad to Flagstaff, returning Sat, Jan 3, priced at $1,120 found 3 days ago
American Airlines
Mon, Dec 29 - Sat, Jan 3
POS
Trinidad
FLG
Flagstaff
$1,136 Roundtrip, found 3 days ago
$1,136
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 29 from Trinidad to Flagstaff, returning Sat, Jan 3, priced at $1,136 found 3 days ago
American Airlines
Mon, Dec 29 - Sat, Jan 3
POS
Trinidad
FLG
Flagstaff
$1,141 Roundtrip, found 3 days ago
$1,141
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 29 from Trinidad to Flagstaff, returning Sat, Jan 3, priced at $1,141 found 3 days ago
American Airlines
Sat, Dec 27 - Thu, Jan 1
POS
Trinidad
FLG
Flagstaff
$1,151 Roundtrip, found 6 days ago
$1,151
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Dec 27 from Trinidad to Flagstaff, returning Thu, Jan 1, priced at $1,151 found 6 days ago
American Airlines
Mon, Dec 29 - Sat, Jan 3
POS
Trinidad
FLG
Flagstaff
$1,170 Roundtrip, found 4 days ago
$1,170
Roundtrip
found 4 days ago
Select American Airlines flight, departing Mon, Dec 29 from Trinidad to Flagstaff, returning Sat, Jan 3, priced at $1,170 found 4 days ago
American Airlines
Mon, Dec 29 - Sat, Jan 3
POS
Trinidad
FLG
Flagstaff
$1,171 Roundtrip, found 3 days ago
$1,171
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 29 from Trinidad to Flagstaff, returning Sat, Jan 3, priced at $1,171 found 3 days ago
American Airlines
Mon, Dec 29 - Sat, Jan 3
POS
Trinidad
FLG
Flagstaff
$1,173 Roundtrip, found 5 hours ago
$1,173
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Mon, Dec 29 from Trinidad to Flagstaff, returning Sat, Jan 3, priced at $1,173 found 5 hours ago
American Airlines
Mon, Dec 29 - Sat, Jan 3
POS
Trinidad
FLG
Flagstaff
$1,175 Roundtrip, found 3 days ago
$1,175
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Dec 29 from Trinidad to Flagstaff, returning Sat, Jan 3, priced at $1,175 found 3 days ago

Frequently asked questions

How much does a flight from Piarco Intl. Airport (POS) to Flagstaff Pulliam Field Airport (FLG) cost?
Snag a cheap one-way flight from $557 or cheap return flight from $1,113 from Piarco Intl. Airport (POS) to Flagstaff Pulliam Field Airport (FLG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Piarco Intl. Airport (POS) to Flagstaff Pulliam Field Airport (FLG)?
The cheapest month to fly from POS to FLG is December, when there's less demand. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Piarco Intl. Airport (POS) to Flagstaff Pulliam Field Airport (FLG)?
To find the cheapest airline that'll fly you from POS to FLG, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Piarco Intl. Airport (POS) to Flagstaff Pulliam Field Airport (FLG)?
Nonstop flights from Piarco Intl. Airport (POS) to Flagstaff Pulliam Field Airport (FLG) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from POS to FLG?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Piarco Intl. Airport (POS) to Flagstaff Pulliam Field Airport (FLG)?
Choose a flight from Piarco Intl. Airport (POS) to Flagstaff Pulliam Field Airport (FLG) that takes off before 3 PM to reduce the likelihood of delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Piarco Intl. Airport (POS) to Flagstaff Pulliam Field Airport (FLG) last-minute?
Booking your flight from POS to FLG right before your trip is generally more expensive. However, if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a POS to FLG flight and hotel package?
You'll typically save money by booking a POS to FLG flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After selecting your preferred accommodations and flights, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Piarco Intl. Airport (POS) to Flagstaff Pulliam Field Airport (FLG)?
Typically, it's possible to reschedule or cancel your POS to FLG flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Piarco Intl.
Destination airport
Flagstaff Pulliam Field
Airlines serving
American Airlines
Roundtrip price
$1,113
Distance
3576 mi

Book with confidence

Port of Spain to Flagstaff Flights

The cheapest times to fly from Port of Spain to Flagstaff

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Port of Spain to Flagstaff are during the month of December. You can find some of the cheapest flights from Port of Spain to Flagstaff with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Port of Spain to Flagstaff

Sunday is one of the best days to book for cheap flights from Port of Spain to Flagstaff: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Port of Spain to Flagstaff

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Port of Spain to Flagstaff in 2026. You can also book with separate airlines for your outbound and return journeys, from $557 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Port of Spain to Flagstaff flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Port of Spain to Flagstaff airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Port of Spain to Flagstaff Flights

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*Available to One Key members.