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Trenton

$272+ Cheap flights from Washington to Trenton, NJ (TTN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TTN
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap flight deals from Washington to Trenton

Keep the following information in mind while searching for Washington to Trenton flight deals. Data was last updated septiembre 16, 2025.

Round-trip from

$272
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$311
From Washington to Trenton-Mercer
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Washington to Trenton

Cheapest flights from Washington to Trenton
Explore the most affordable flight options available from Washington to Trenton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 16, 2025.

This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/47:00 amSEA - TTN
2 stops23h 32mFrontier
lun. 10/612:30 pmTTN - SEA
2 stops26h 37mFrontier
Deal found 9/14$272
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/26:12 amSEA - TTN
2 stops26h 22mFrontier
dom. 10/510:30 amTTN - SEA
2 stops32h 11mFrontier
Deal found 9/14$382
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/254:36 pmSEA - TTN
2 stops15h 58mFrontier
dom. 9/2810:30 amTTN - SEA
2 stops17h 00mFrontier
Deal found 9/14$451
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/247:00 amSEA - TTN
2 stops23h 32mFrontier
dom. 9/2810:30 amTTN - SEA
2 stops17h 00mFrontier
Deal found 9/14$506
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/177:00 amSEA - TTN
2 stops23h 32mFrontier
dom. 9/2810:30 amTTN - SEA
2 stops17h 00mFrontier
Deal found 9/15$656
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/177:00 amSEA - TTN
2 stops23h 32mFrontier
vie. 9/1912:30 pmTTN - SEA
2 stops15h 00mFrontier
Deal found 9/13$718
This CheapOair deal was found by Cheapflights users on 9/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/216:12 amSEA - TTN
2 stops26h 22mFrontier
dom. 9/2810:30 amTTN - SEA
2 stops17h 00mFrontier
Deal found 9/14$731

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 septiembre 16, 2025.
Use the filters below to find and compare flights from Washington to Trenton that are best for you.

Fly from

Washington

Fly to

Trenton

Route

Depart

Return

Price

SeattleTrenton

SEA - TTN

SEATTN

Seattle/Tacoma Intl

sáb. 10/4

7:00 am-9:32 am

2 stops23h 32m

Trenton-Mercer

lun. 10/6

12:30 pm-12:07 pm

2 stops26h 37m

$272

SeattleTrenton

SEA - TTN

SEATTN

Seattle/Tacoma Intl

jue. 10/2

6:12 am-11:34 am

2 stops26h 22m

Trenton-Mercer

dom. 10/5

10:30 am-3:41 pm

2 stops32h 11m

$382

SeattleTrenton

SEA - TTN

SEATTN

Seattle/Tacoma Intl

mié. 2/11

10:00 pm-9:04 pm

2 stops20h 04m

$523

SeattleTrenton

SEA - TTN

SEATTN

Seattle/Tacoma Intl

sáb. 2/21

10:00 pm-9:04 pm

2 stops20h 04m

$530

SeattleTrenton

SEA - TTN

SEATTN

Seattle/Tacoma Intl

mié. 2/18

10:00 pm-9:04 pm

2 stops20h 04m

$530

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Washington to Trenton

Have a flexible travel schedule? Discover the best time to fly to Trenton from Washington 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 Washington to Trenton

What is the cheapest month to book a flight from State of Washington to Trenton, New Jersey?

Currently, January is the cheapest month in which you can book a flight from State of Washington to Trenton, New Jersey (average of $73). Flying from State of Washington to Trenton, New Jersey in June is currently the most expensive (average of $153). 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 WA to TTN?

Find hourly flight availability from Washington 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 septiembre 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Trenton, New Jersey as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Washington to Trenton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Trenton from Washington?

    If you book a flight to Trenton from Washington, you will be flying to Trenton-Mercer, which is the city’s only airport. Trenton-Mercer (TTN) is located 4.8 mi from the center of Trenton.

  • How long is the flight from State of Washington to Trenton, New Jersey?

    Airlines like Frontier fly from State of Washington to Trenton, New Jersey in about 23h 32m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 2377 mi.

  • Can I find deals for flights from Washington to Trenton that include hotel bookings?

    Yes. In addition to deals on Washington to Trenton flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Trenton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Trenton.

  • Can I find deals for business class flights from Washington to Trenton?

    Yes. Cheapflights offers flight deals from Washington to Trenton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Trenton, New Jersey?

    Currently, January is the cheapest month in which you can book a flight from State of Washington to Trenton, New Jersey (average of $73). Flying from State of Washington to Trenton, New Jersey in June is currently the most expensive (average of $153). 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.

See more FAQs

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