HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Trenton

$125+ Cheap flights from Washington, D.C. (WAS) to Trenton, NJ (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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — TTN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. 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 Washington, D.C. to Trenton

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 September 16, 2025.

Round-trip from

$255
(Kiwi.com)

One-way from

$125
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$189
From Washington, D.C. (WAS) to Trenton-Mercer
Search Deals
One-way flight from Washington, D.C. (WAS) to Trenton-Mercer
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Washington, D.C. to Trenton

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

This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Wed 10/18:12 amBWI - TTN
2 stops26h 48mMultiple Airlines
Sun 10/54:57 pmTTN - BWI
1 stop19h 43mMultiple Airlines
Deal found 9/16$255
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/38:52 pmBWI - TTN
1 stop14h 08mMultiple Airlines
Sun 10/54:57 pmTTN - BWI
2 stops18h 03mMultiple Airlines
Deal found 9/14$275
This Frontier deal was found by Cheapflights users on 9/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/188:01 pmBWI - TTN
1 stop14h 13mFrontier
Fri 10/2410:19 amTTN - BWI
1 stop7h 05mFrontier
Deal found 9/16$325
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/34:09 pmBWI - TTN
1 stop18h 51mFrontier
Sun 10/510:30 amTTN - BWI
1 stop13h 47mFrontier
Deal found 9/14$350
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1011:31 amBWI - TTN
1 stop12h 28mFrontier
Mon 10/1310:19 amTTN - BWI
1 stop6h 55mFrontier
Deal found 9/14$379
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/911:31 amBWI - TTN
1 stop12h 28mFrontier
Mon 10/1310:19 amTTN - BWI
1 stop6h 55mFrontier
Deal found 9/14$415
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:19 amBWI - TTN
1 stop24h 31mMultiple Airlines
Mon 1/199:59 pmTTN - BWI
1 stop10h 51mMultiple Airlines
Deal found 9/15$475

Cheapflights Fare Finder

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

Fly from

Washington, D.C.

Fly to

Trenton

Route

Depart

Return

Price

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Wed 10/1

8:12 am-11:00 am

2 stops26h 48m

Trenton-Mercer

Sun 10/5

4:57 pm-12:40 pm

1 stop19h 43m

$255

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Fri 10/3

8:52 pm-11:00 am

1 stop14h 08m

Trenton-Mercer

Sun 10/5

4:57 pm-11:00 am

2 stops18h 03m

$275

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Sat 10/18

8:01 pm-10:14 am

1 stop14h 13m

Trenton-Mercer

Fri 10/24

10:19 am-5:24 pm

1 stop7h 05m

$325

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Fri 10/3

4:09 pm-11:00 am

1 stop18h 51m

Trenton-Mercer

Sun 10/5

10:30 am-12:17 am

1 stop13h 47m

$350

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Fri 10/10

11:31 am-11:59 pm

1 stop12h 28m

Trenton-Mercer

Mon 10/13

10:19 am-5:14 pm

1 stop6h 55m

$379

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Thu 10/9

11:31 am-11:59 pm

1 stop12h 28m

Trenton-Mercer

Mon 10/13

10:19 am-5:14 pm

1 stop6h 55m

$415

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Wed 12/17

11:19 am-11:50 am

1 stop24h 31m

Trenton-Mercer

Mon 1/19

9:59 pm-8:50 am

1 stop10h 51m

$475

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Fri 10/24

4:31 pm-11:59 pm

1 stop7h 28m

$125

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Fri 10/17

4:31 pm-11:59 pm

1 stop7h 28m

$202

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Washington, D.C. to Trenton

Have a flexible travel schedule? Discover the best time to fly to Trenton from Washington, D.C. 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, D.C. to Trenton

What is the cheapest month to book a flight from Washington, D.C. to Trenton, New Jersey?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Trenton, New Jersey (average of $73). Flying from Washington, D.C. 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.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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, D.C.?

    If you book a flight to Trenton from Washington, D.C., 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. There are 0 flights from Washington, D.C. to Trenton-Mercer per day from 0 different airlines.

  • How long is the flight from Washington, D.C. to Trenton, New Jersey?

    There are many flights that can get you from Washington, D.C. to Trenton, New Jersey in 14h 13m. Fly via Frontier to get the fastest option. There are 124 mi between Washington, D.C. and Trenton, New Jersey.

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

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

  • How can I find direct flights from Washington, D.C. to Trenton?

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

  • Can I find deals for business class flights from Washington, D.C. to Trenton?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Trenton, New Jersey?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Trenton, New Jersey (average of $73). Flying from Washington, D.C. 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

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.