$150+ Cheap flights from Seattle to Trenton, NJ (SEA - TTN)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TTN
Dec 6 — Dec 131
1 adult, Economy
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Find cheap flights from Seattle to Trenton with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Trenton
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Trenton (TTN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 6, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Popular in | December |
Cheapest in | September |
Average price | $357 |
Find flight deals from Seattle to Trenton
One-way flights from Seattle to TrentonSearch for one-way flight options from Seattle to Trenton. Find affordable one-way fares based on user searches. Data last updated November 6, 2025.
Search for one-way flight options from Seattle to Trenton. Find affordable one-way fares based on user searches. Data last updated November 6, 2025.
This Trip.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/181:37 pmSEA - TTN
2 stops41h 42mFrontier
Deal found 11/5![Frontier logo]()
$150
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Trenton 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, Cheapflights users made 2,558,603 searches. Data last updated November 6, 2025.
Use the filters below to find and compare flights from Seattle to Trenton that are best for you.
Fly from
Seattle
Fly to
Trenton
Route
Depart
Return
Price
SeattleTrenton
SEA - TTN
SEATTN
Seattle/Tacoma Intl
Tue 11/18
1:37 pm-10:19 am
2 stops41h 42m
$150
Compare providers for flights from Seattle to Trenton
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Trenton in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Trenton, New Jersey flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Seattle-Trenton, New Jersey flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Seattle-Trenton, New Jersey flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Trenton, New Jersey flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Trenton, New Jersey flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Seattle to Trenton
Have a flexible travel schedule? Discover the best time to fly to Trenton from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Trenton
What is the cheapest month to book a flight from Seattle to Trenton, New Jersey?
Currently, November is the cheapest month in which you can book a flight from Seattle to Trenton, New Jersey (average of $128). Flying from Seattle to Trenton, New Jersey in January is currently the most expensive (average of $223). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SEA to TTN?
Find hourly flight availability from Seattle to Trenton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.
Unlike in the evening, when flights are generally more expensive, you can save up to 60% on flights from Seattle to Trenton, New Jersey by exploring options for tickets in the afternoon.