HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Trenton

$256+ 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — TTN
Jun 5 — Jun 121
Fri 6/5
Fri 6/12
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

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 May 6, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/61:10 pm
BWI
-
TTN
1 stop21h 50m
Multiple Airlines
Mon 6/88:31 pm
TTN
-
BWI
2 stops21h 01m
Multiple Airlines
Deal found 5/5$256
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sun 5/176:45 am
BWI
-
TTN
2 stops11h 40m
Multiple Airlines
Thu 5/2111:50 am
TTN
-
BWI
1 stop24h 25m
Multiple Airlines
Deal found 5/2$295
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 5/203:26 pm
BWI
-
TTN
1 stop18h 16m
Multiple Airlines
Sun 5/2411:50 am
TTN
-
BWI
1 stop24h 25m
Multiple Airlines
Deal found 5/4$534
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sat 5/99:57 am
BWI
-
TTN
1 stop6h 12m
Frontier
Sat 5/1610:27 am
TTN
-
BWI
2 stops12h 30m
Frontier
Deal found 5/2$564
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Sun 5/179:59 pm
BWI
-
TTN
1 stop11h 43m
Frontier
Thu 5/2110:27 am
TTN
-
BWI
2 stops12h 30m
Frontier
Deal found 5/2$613
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/203:26 pm
BWI
-
TTN
1 stop18h 16m
Frontier
Sun 5/248:31 pm
TTN
-
BWI
1 stop12h 44m
Frontier
Deal found 5/5$657

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 May 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$256
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$234
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. 15% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 May 6, 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

Sat 6/6

1:10 pm-11:00 am

1 stop21h 50m

Trenton-Mercer

Mon 6/8

8:31 pm-5:32 pm

2 stops21h 01m

$256

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Sun 5/17

6:45 am-6:25 pm

2 stops11h 40m

Trenton-Mercer

Thu 5/21

11:50 am-12:15 pm

1 stop24h 25m

$295

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Wed 5/20

3:26 pm-9:42 am

1 stop18h 16m

Trenton-Mercer

Sun 5/24

11:50 am-12:15 pm

1 stop24h 25m

$534
Quickest round-trip

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Sun 5/17

9:59 pm-9:42 am

1 stop11h 43m

Trenton-Mercer

Thu 5/21

10:27 am-10:57 pm

2 stops12h 30m

$613

BaltimoreTrenton

BWI - TTN

BWITTN

Baltimore/Washington

Wed 5/20

3:26 pm-9:42 am

1 stop18h 16m

Trenton-Mercer

Sun 5/24

8:31 pm-9:15 am

1 stop12h 44m

$657

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Sorted by cheapest first

Compare providers for flights from Washington, D.C. to Trenton

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Trenton in May.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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
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 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.

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.
Site
©2026 Cheapflights