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Trenton

$243+ Cheap flights from Washington, D.C. (WAS) 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — TTN
May 3 — May 101
Sun 5/3
Sun 5/10
1 adult, Economy
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Cheap 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 April 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/29. 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 5/134:33 pm
BWI
-
TTN
1 stop25h 52m
Multiple Airlines
Wed 5/2010:22 am
TTN
-
BWI
2 stops12h 35m
Multiple Airlines
Deal found 3/29$243
This Kiwi.com deal was found by Cheapflights users on 4/3. 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 5/15:21 pm
BWI
-
TTN
1 stop6h 38m
Multiple Airlines
Fri 5/86:31 pm
TTN
-
BWI
2 stops22h 36m
Multiple Airlines
Deal found 4/3$265
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/2410:32 am
BWI
-
TTN
1 stop7h 37m
Multiple Airlines
Sun 4/267:15 pm
TTN
-
BWI
2 stops16h 27m
Multiple Airlines
Deal found 3/31$282
This Kiwi.com deal was found by Cheapflights users on 4/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/172:30 pm
BWI
-
TTN
1 stop9h 29m
Multiple Airlines
Tue 4/218:00 am
TTN
-
BWI
2 stops27h 22m
Multiple Airlines
Deal found 4/2$295
This Kiwi.com deal was found by Cheapflights users on 3/29. 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.
Tue 4/1410:09 am
BWI
-
TTN
1 stop12h 27m
Multiple Airlines
Sat 4/188:00 am
TTN
-
BWI
2 stops25h 25m
Multiple Airlines
Deal found 3/29$375
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 6/1810:01 am
BWI
-
TTN
2 stops23h 46m
Multiple Airlines
Sun 6/2111:50 am
TTN
-
BWI
1 stop20h 40m
Multiple Airlines
Deal found 3/30$381

Find 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 April 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$243
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$167
Provider with most accurate pricing for Washington, D.C. (WAS)-Trenton-Mercer flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Trenton-Mercer flights.
Search Deals
From Washington, D.C. (WAS) to Trenton-Mercer
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 3, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Trenton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Wed 5/13

4:33 pm-6:25 pm

1 stop25h 52m

Trenton-Mercer

Wed 5/20

10:22 am-10:57 pm

2 stops12h 35m

$243

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Fri 4/24

10:32 am-6:09 pm

1 stop7h 37m

Trenton-Mercer

Sun 4/26

7:15 pm-11:42 am

2 stops16h 27m

$282
Quickest round-trip

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Fri 5/1

5:21 pm-11:59 pm

1 stop6h 38m

Trenton-Mercer

Fri 5/8

6:31 pm-9:12 am

1 stop14h 41m

$285

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Fri 4/17

2:30 pm-11:59 pm

1 stop9h 29m

Trenton-Mercer

Tue 4/21

8:00 am-11:22 am

2 stops27h 22m

$295

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Tue 4/14

10:09 am-10:36 pm

1 stop12h 27m

Trenton-Mercer

Sat 4/18

8:00 am-9:25 am

2 stops25h 25m

$375

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Thu 6/18

10:01 am-9:47 am

2 stops23h 46m

Trenton-Mercer

Sun 6/21

11:50 am-8:30 am

1 stop20h 40m

$381

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Washington, D.C.-Trenton, New Jersey flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Trenton, New Jersey flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Trenton, New Jersey flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Trenton, New Jersey flights, Cheapflights users trust FlightHub the most. FlightHub 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 Washington, D.C.-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 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, April is the cheapest month in which you can book a flight from Washington, D.C. to Trenton, New Jersey (average of $54). Flying from Washington, D.C. to Trenton, New Jersey in August is currently the most expensive (average of $117). 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.

  • 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, April is the cheapest month in which you can book a flight from Washington, D.C. to Trenton, New Jersey (average of $54). Flying from Washington, D.C. to Trenton, New Jersey in August is currently the most expensive (average of $117). 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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