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Cheap flights from Seattle to Trinidad from $397

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Trinidad departing on 2/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Trinidad

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 12:23 amSEA-POS
15h 23m2 stops
United Airlines Logo
1:30 am - 12:49 pmPOS-SEA
15h 19m1 stop
$473United Airlines
Find Deal
Mon, Jan 26 - Thu, Jan 29
American Airlines Logo
11:11 pm - 10:48 pmSEA-POS
19h 37m1 stop
American Airlines Logo
6:30 am - 10:20 pmPOS-SEA
19h 50m2 stops
$477American Airlines
Find Deal
Mon, Jan 26 - Fri, Jan 30
United Airlines Logo
7:00 am - 12:23 amSEA-POS
13h 23m1 stop
United Airlines Logo
1:30 am - 4:01 pmPOS-SEA
18h 31m2 stops
$583United Airlines
Find Deal
Sun, Jan 11 - Sun, Jan 18
United Airlines Logo
7:30 pm - 12:23 amSEA-POS
24h 53m2 stops
United Airlines Logo
1:30 am - 4:01 pmPOS-SEA
18h 31m2 stops
$587United Airlines
Find Deal
Sun, Jan 11 - Sun, Jan 18
United Airlines Logo
7:10 am - 12:23 amSEA-POS
13h 13m1 stop
United Airlines Logo
1:30 am - 10:47 pmPOS-SEA
25h 17m1 stop
$595United Airlines
Find Deal
Mon, Dec 8 - Fri, Dec 12
American Airlines Logo
11:11 pm - 3:25 pmSEA-POS
12h 14m1 stop
American Airlines Logo
6:30 am - 11:42 pmPOS-SEA
21h 12m1 stop
$601American Airlines
Find Deal
Sun, Jan 11 - Mon, Jan 19
American Airlines Logo
11:12 pm - 10:48 pmSEA-POS
19h 36m2 stops
American Airlines Logo
6:30 am - 11:42 pmPOS-SEA
21h 12m1 stop
$605American Airlines
Find Deal
Sun, Jan 11 - Mon, Jan 19
American Airlines Logo
10:08 pm - 11:59 pmSEA-POS
21h 51m1 stop
American Airlines Logo
7:10 am - 11:16 pmPOS-SEA
20h 06m1 stop
$614American Airlines
Find Deal
Mon, Dec 8 - Sat, Dec 13
American Airlines Logo
10:08 pm - 11:59 pmSEA-POS
21h 51m1 stop
American Airlines Logo
7:10 am - 11:25 pmPOS-SEA
20h 15m2 stops
$619American Airlines
Find Deal
Mon, Dec 8 - Sat, Dec 13
Multiple Airlines Logo
1:45 pm - 1:05 pmSEA-POS
19h 20m1 stop
Multiple Airlines Logo
12:10 am - 2:49 pmPOS-SEA
18h 39m1 stop
$754Multiple Airlines
Find Deal
Mon, Mar 2 - Fri, Mar 6

American Airlines flights from Seattle to Trinidad

Our best American Airlines deals on Seattle to Trinidad flight tickets
American Airlines
Jan 26
SEA11:11 pmSeattle/Tacoma Intl
19h 37m
1 stop
POS10:48 pmPort of Spain Piarco Intl
Jan 30
POS6:30 amPort of Spain Piarco Intl
19h 50m
2 stops
SEA10:20 pmSeattle/Tacoma Intl
$477
Find similar
American Airlines
Jan 11
SEA11:11 pmSeattle/Tacoma Intl
12h 14m
1 stop
POS3:25 pmPort of Spain Piarco Intl
Jan 19
POS6:30 amPort of Spain Piarco Intl
21h 12m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
$601
Find similar
American Airlines
Jan 11
SEA11:12 pmSeattle/Tacoma Intl
19h 36m
2 stops
POS10:48 pmPort of Spain Piarco Intl
Jan 19
POS6:30 amPort of Spain Piarco Intl
21h 12m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
$605
Find similar

United Airlines flights from Seattle to Trinidad

Our best United Airlines deals on Seattle to Trinidad flight tickets
United Airlines
Jan 26
SEA5:00 amSeattle/Tacoma Intl
15h 23m
2 stops
POS12:23 amPort of Spain Piarco Intl
Jan 29
POS1:30 amPort of Spain Piarco Intl
15h 19m
1 stop
SEA12:49 pmSeattle/Tacoma Intl
$473
Find similar
United Airlines
Nov 11
SEA7:10 amSeattle/Tacoma Intl
13h 13m
1 stop
POS12:23 amPort of Spain Piarco Intl
Nov 24
POS1:30 amPort of Spain Piarco Intl
18h 40m
2 stops
SEA4:10 pmSeattle/Tacoma Intl
$559
Find similar
United Airlines
Nov 11
SEA7:10 amSeattle/Tacoma Intl
13h 13m
1 stop
POS12:23 amPort of Spain Piarco Intl
Nov 24
POS1:30 amPort of Spain Piarco Intl
25h 16m
1 stop
SEA10:46 pmSeattle/Tacoma Intl
$567
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Trinidad that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Seattle to Trinidad that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 1/26

5:00 am-12:23 am

2 stops15h 23m

Port of Spain Piarco Intl

Thu 1/29

1:30 am-12:49 pm

1 stop15h 19m

$473

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 1/26

11:11 pm-10:48 pm

1 stop19h 37m

Port of Spain Piarco Intl

Fri 1/30

6:30 am-10:20 pm

2 stops19h 50m

$477

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 1/11

7:00 am-12:23 am

1 stop13h 23m

Port of Spain Piarco Intl

Sun 1/18

1:30 am-4:01 pm

2 stops18h 31m

$583

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 1/11

7:30 pm-12:23 am

2 stops24h 53m

Port of Spain Piarco Intl

Sun 1/18

1:30 am-4:01 pm

2 stops18h 31m

$587

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 12/8

7:10 am-12:23 am

1 stop13h 13m

Port of Spain Piarco Intl

Fri 12/12

1:30 am-10:47 pm

1 stop25h 17m

$595

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 1/11

11:11 pm-3:25 pm

1 stop12h 14m

Port of Spain Piarco Intl

Mon 1/19

6:30 am-11:42 pm

1 stop21h 12m

$601

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 1/11

11:12 pm-10:48 pm

2 stops19h 36m

Port of Spain Piarco Intl

Mon 1/19

6:30 am-11:42 pm

1 stop21h 12m

$605

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 12/8

10:08 pm-11:59 pm

1 stop21h 51m

Port of Spain Piarco Intl

Sat 12/13

7:10 am-11:16 pm

1 stop20h 06m

$614

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 12/8

10:08 pm-11:59 pm

1 stop21h 51m

Port of Spain Piarco Intl

Sat 12/13

7:10 am-11:25 pm

2 stops20h 15m

$619

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 3/2

1:45 pm-1:05 pm

1 stop19h 20m

Port of Spain Piarco Intl

Fri 3/6

12:10 am-2:49 pm

1 stop18h 39m

$754

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Trinidad from

How to get the cheapest flight ticket from Seattle to Trinidad

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 Trinidad?

The cheapest month to fly to Trinidad from Seattle is in October. Flight prices, which tend to average around $523, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Trinidad from Seattle during September instead. Flights to Trinidad in September, while not as cheap as those in October, still average around $541.

What is the cheapest day to depart on your flight to Trinidad?

The cheapest day to depart on your flight to Trinidad is on a Sunday when prices can be found for as low as $548. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Trinidad on Thursday is $892.

What is the cheapest time of day to depart on your flight to Trinidad?

Flying to Trinidad from Seattle in the morning is the least expensive time of day to depart. momondo users have found prices as low as $651 when looking at flights departing in the morning. Flights in the evening are often more expensive with an average ticket price of $871.

Can stopping save me money on Seattle to Trinidad flights?

No. A direct flight is the cheapest option for a flight between Seattle to Trinidad.

Cheap Seattle to Trinidad flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Trinidad

Direct flights

None
There are no direct flights from Seattle to Trinidad. There are no popular flight routes from Seattle to Trinidad.
Search flight deals

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Trinidad?

    Prices for flights from Seattle/Tacoma Intl Airport to Trinidad refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Trinidad?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Trinidad?

    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 Seattle/Tacoma Intl Airport to Trinidad.

  • What documentation or ID do you need to fly to Trinidad?

    The necessary travel and health documents for your Trinidad trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Trinidad?

Best airlines flying from Seattle to Trinidad

Compare and see reviews for airlines that fly from Seattle to Trinidad with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $472Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $493Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Trinidad?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Trinidad. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Trinidad with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Trinidad flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Trinidad?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Trinidad from Seattle.

I’m not ready to book a flight from Seattle to Trinidad right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Trinidad, momondo offers a useful price alert feature which will track prices for flights to Trinidad from Seattle and alert you when they change.

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