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Cheap flights from St Louis to Trenton (STL - TTN)

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How to find the cheapest flight from
St Louis (STL) to Trenton (TTN)

How far in advance should I book a flight from St Louis to Trenton?

To save on the cost of your flight from St Louis to Trenton, book at least 21 days before your planned departure. Booking around this time can save you about 26% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $229 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $301.

What is the cheapest month to fly from St Louis to Trenton?

August is one of the best times of the year to fly to Trenton from St Louis. Prices for August average $235 per person but you can even find prices for as low as $62. The most expensive prices can be found in the month of December. Opting for a August flight can save you 25% on your journey compared to booking in August

When is the cheapest time to fly from St Louis to Trenton (STL - TTN)?

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

Related info for your journey

Flight FAQs

From St Louis to Trenton

Are flight prices decreasing from St Louis to Trenton due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Trenton for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Lambert-St Louis to Trenton Trenton-Mercer have flexible changes due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like Frontier flying from Lambert-St Louis to Trenton Trenton-Mercer have implemented new flexible change policies.

Does it rain more in St Louis or Trenton?

Expected rainfall in St Louis is more than in Trenton. You can expect this to be the case over the next 15 days.

Is St Louis weather warmer or cooler than Trenton?

With an average temperature of 90 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in Trenton are colder than in St Louis.

Alternative routes for St Louis to Trenton

Destination information for Trenton

Average temperature for January in Trenton
44.6 °F
Avg rainfall for January in Trenton
3.2 ″

Airports servicing St. Louis

Airports servicing Trenton

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