$230+ Cheap flights from Trenton, NJ (TTN) to Washington
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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — SEA
Dec 3 — Dec 101
1 adult, Economy
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One-way flights from Trenton to WashingtonSearch for one-way flight options from Trenton to Washington. Find affordable one-way fares based on user searches. Data last updated November 3, 2025.
Search for one-way flight options from Trenton to Washington. Find affordable one-way fares based on user searches. Data last updated November 3, 2025.
This Trip.com deal was found by Cheapflights users on 11/2. 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.
Sat 12/65:58 pmTTN - PDX
2 stops20h 58mFrontier
Deal found 11/2![Frontier logo]()
$230
Cheap flight deals from Trenton to Washington
Keep the following information in mind while searching for Trenton to Washington flight deals. Data was last updated November 3, 2025.
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Popular in | December |
Cheapest in | September |
Average price | $382 |
Cheapflights Fare Finder
Customize your flight search to find flights from Trenton to Washington 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 3, 2025.
Use the filters below to find and compare flights from Trenton to Washington that are best for you.
Fly from
Trenton
Fly to
Washington
Route
Depart
Return
Price
TrentonPortland
TTN - PDX
TTNPDX
Trenton-Mercer
Sat 12/6
5:58 pm-11:56 am
2 stops20h 58m
$230
Best time to book a flight from Trenton to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Trenton 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 Trenton to Washington
What is the cheapest month to book a flight from Trenton, New Jersey to State of Washington?
Currently, October is the cheapest month in which you can book a flight from Trenton, New Jersey to State of Washington (average of $140). Flying from Trenton, New Jersey to State of Washington in April is currently the most expensive (average of $237). 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.