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 is the cheapest time of day to fly from GEG to TTN?

When flying from Spokane to Trenton, New Jersey, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Spokane to Trenton?

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

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

Yes. Cheapflights offers flight deals from Spokane 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.

$572+ Cheap Flights from Spokane to Trenton, NJ

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Cheap flight deals from Spokane to Trenton

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One-way flights from Spokane to Trenton
Search for one-way flight options from Spokane to Trenton. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.

Fri 10/96:17 pm -

3 stops38h 01m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/22

$572

Find flight deals from Spokane to Trenton

Most accurate provider	FlightHub 3 stars
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Popular in	July
Cheapest in	September
Average price	$337

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Highest demand for flights based on searches. 15% potential increase in price ($89 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).

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Average for round-trip flights in September 2026

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Fly from

Fly to

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Depart

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Price

Cheapest round-trip

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SpokaneTrenton

GEG Spokane - TTN Trenton-Mercer

GEGTTN

Spokane

Fri 10/9

6:17 pm-11:18 am

3 stops38h 01m

Trenton-Mercer

Wed 12/31

12:00 am-9:00 pm

Nonstop0h 00m

$572

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/22

Sorted by cheapest first

Best time to book a flight from Spokane to Trenton

Have a flexible travel schedule? Discover the best time to fly to Trenton from Spokane with our price prediction graph.

GEG-TTN

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.

Related info for your journey

Can I find deals for flights from Spokane to Trenton that include hotel bookings?
Yes. In addition to deals on Spokane to Trenton flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Spokane to Trenton?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Spokane to Trenton.
Can I find deals for business class flights from Spokane to Trenton?
Yes. Cheapflights offers flight deals from Spokane 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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$572+ Cheap flights from Spokane to Trenton, NJ (GEG - 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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Spokane to Trenton with Cheapflights

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Cheap flight deals from Spokane to Trenton

One-way flights from Spokane to TrentonSearch for one-way flight options from Spokane to Trenton. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.

Search for one-way flight options from Spokane to Trenton. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.

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Best time to book a flight from Spokane to Trenton

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Related info for your journey

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

How can I find direct flights from Spokane to Trenton?

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

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Spokane and Trenton flights

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One-way flights from Spokane to Trenton
Search for one-way flight options from Spokane to Trenton. Find affordable one-way fares based on user searches. Data last updated September 26, 2026.