$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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
TTN — SEA
Aug 4 — Aug 111
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Trenton to Washington 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 Trenton to Washington
One-way
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 July 5, 2026.
Search for one-way flight options from Trenton to Washington. Find affordable one-way fares based on user searches. Data last updated July 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:05 am
TTN
- PDX
2 stops37h 46m
Frontier
Deal found 7/1![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2311:50 am
TTN
- PDX
3 stops56h 01m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:05 am
TTN
- PDX
3 stops34h 53m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$288
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:05 am
TTN
- PDX
2 stops14h 59m
Frontier
Deal found 7/1![Frontier logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:05 am
TTN
- PDX
2 stops37h 46m
Frontier
Deal found 7/1![Frontier logo]()
$313
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1611:50 am
TTN
- PDX
3 stops56h 01m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/189:23 am
TTN
- PDX
2 stops29h 12m
Frontier
Deal found 7/1![Frontier logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/186:05 am
TTN
- PDX
3 stops34h 53m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$372
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:05 am
TTN
- PDX
2 stops37h 46m
Frontier
Deal found 7/1![Frontier logo]()
$436
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/169:23 am
TTN
- PDX
2 stops34h 31m
Frontier
Deal found 7/1![Frontier logo]()
$456
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/174:26 pm
TTN
- PDX
3 stops28h 03m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$460
This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/246:05 am
TTN
- PDX
3 stops19h 38m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$522
Find flight deals from Trenton to Washington
Keep the following information in mind while searching for Trenton to Washington flight deals. Data was last updated July 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Popular in | July |
Cheapest in | October |
Average price | $509 |
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 July 5, 2026.
Use the filters below to find and compare flights from Trenton to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest one-way
TrentonPortland
TTN - PDX
TTNPDX
Trenton-Mercer
Thu 7/23
11:50 am-4:51 pm
3 stops56h 01m
$266
Quickest one-way
TrentonPortland
TTN - PDX
TTNPDX
Trenton-Mercer
Thu 7/23
6:05 am-6:04 pm
2 stops14h 59m
$304
TrentonPortland
TTN - PDX
TTNPDX
Trenton-Mercer
Thu 7/16
11:50 am-4:51 pm
3 stops56h 01m
$316
TrentonPortland
TTN - PDX
TTNPDX
Trenton-Mercer
Sat 7/18
9:23 am-11:35 am
2 stops29h 12m
$329
TrentonPortland
TTN - PDX
TTNPDX
Trenton-Mercer
Sat 7/18
6:05 am-1:58 pm
3 stops34h 53m
$372
TrentonPortland
TTN - PDX
TTNPDX
Trenton-Mercer
Fri 7/24
6:05 am-10:43 pm
3 stops19h 38m
$522
Sorted by cheapest first
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.
TTN-PDX
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
TTN-USWA
TTN-PDX
No data available for this route at this time. Please check back soon.
Related info for your journey
Find useful and relevant information for your journey from Trenton to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations