In terms of precipitation, rainfall in Trenton, New Jersey ranges from 2.9 - 4.8 inches per month. July is typically the wettest month, when rainfall can reach 4.8 in. February is typically the driest time to visit Trenton, New Jersey when rainfall is around 2.9 in.

If weather is an important factor for your trip to Trenton, New Jersey, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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.

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.

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Average price	$357

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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).

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Average for round-trip flights in November 2025

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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, November is the cheapest month in which you can book a flight from State of Washington to Trenton, New Jersey (average of $128). Flying from State of Washington to Trenton, New Jersey in January is currently the most expensive (average of $223). 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?

Unlike in the morning, when flights are generally more expensive, you can save up to 61% on flights from State of Washington to Trenton, New Jersey by exploring options for tickets in the afternoon.

Related info for your journey

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.
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, November is the cheapest month in which you can book a flight from State of Washington to Trenton, New Jersey (average of $128). Flying from State of Washington to Trenton, New Jersey in January is currently the most expensive (average of $223). 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.

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Cheap flights from Washington to Trenton, NJ (TTN)

Find cheap flights from Washington to Trenton with Cheapflights

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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 November 4, 2025.

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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?

What is the cheapest time of day to fly from WA to TTN?

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?

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

How can I find direct flights from Washington to Trenton?

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

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

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