Cheap flights from Philadelphia to Watertown

Philadelphia
PHL
Watertown
ART

Flight deals from Philadelphia to Watertown

Below you can see the best deals on flights Philadelphia — Watertown for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 10 September, from $249.

Top 10 cheap flights from Philadelphia to Watertown

About the Philadelphia — Watertown flight

Looking for cheap flights from Philadelphia to Watertown? Compare fares from different airlines, check the flight schedule and travel time — and book your Philadelphia — Watertown ticket online at the best price.

The route has direct flights — around 16 flights per week, flights are operated by American Airlines, a nonstop flight takes about 1 h 33 min, the distance between the cities is around 451 km.

Planning your trip? You may find our Watertown travel guide, how to get from the airport into town and Watertown weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $249Min. price
SeptemberCheapest
OctoberPeak season
YesDirect flights
451 kmDistance
1 h 33 minTravel time
1Airlines
16 / wkFlights

Flight schedule from Philadelphia to Watertown

The table shows direct flights from Philadelphia to Watertown on the selected date. The flight takes approximately 1 h 33 min. Regular flights are operated by American Airlines. Departures from Philadelphia International Airport and Trenton-Mercer Airport airports, arrivals at Watertown Airport and Watertown Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
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Last update: 24 Aug 2026

Flight ticket prices by day: Philadelphia — Watertown

Below is a calendar of the lowest flight ticket prices for Philadelphia — Watertown by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $249 in September, and the most expensive are around $406 in October. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Philadelphia to Watertown by month. Tickets are usually cheapest in January (around $322) and priciest in July (about $408) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$322lowMay$356mediumSep$333low
Feb$322lowJun$391highOct$350medium
Mar$327lowJul$408highNov$362medium
Apr$345mediumAug$396highDec$402high

Some values are estimated based on seasonality.

When to fly

Weather in Watertown: it is warmest in July (up to 26 °C on average) and coolest in January (around -1 °C). The driest month is September.

Tickets are usually cheapest in September and most expensive in October. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Watertown

Dry and wet days · Watertown

Wind speed and direction · Watertown

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How to get the best deal on a Philadelphia — Watertown ticket

  • Book ahead: fares for Philadelphia — Watertown are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Philadelphia is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Watertown is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Philadelphia — Watertown route are operated by 1 airline; American Airlines runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

  • American AirlinesAA
    5x/week
    WebsiteFleet: 965211M pax/year
    • Direct flight PHL → ART5x/week
      Duration
      1h 32m
      Days
      MTWTFSS
    100.0%Open →

Cities and airports on the Philadelphia — Watertown route

Flights Philadelphia — Watertown depart from Philadelphia International Airport and Trenton-Mercer Airport and arrive at Watertown Airport and Watertown Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Philadelphia

PHL
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Watertown

ART
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Philadelphia — Watertown flight

How long is the flight from Philadelphia to Watertown?

A nonstop Philadelphia — Watertown flight takes about 1 h 33 min — the distance between the cities is around 451 km.

How far is it from Philadelphia to Watertown?

The distance from Philadelphia to Watertown is about 451 km, which a nonstop flight covers in around 1 h 33 min.

Are there direct flights from Philadelphia to Watertown?

Yes, there are nonstop flights Philadelphia — Watertown — around 16 flights per week.

Which airlines fly from Philadelphia to Watertown?

Airlines operating Philadelphia — Watertown include American Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Philadelphia — Watertown flights use?

Flights from Philadelphia depart from Philadelphia International Airport, Trenton-Mercer Airport, and arrive at Watertown Airport, Watertown Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Philadelphia to Watertown?

The price of a Philadelphia — Watertown ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in October. Tickets typically cost between $249 and $406. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Philadelphia — Watertown?

Flights Philadelphia — Watertown are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Philadelphia to Watertown?

To catch a low fare Philadelphia — Watertown, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Philadelphia

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Where else you can fly from Watertown

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MinneapolisDenver

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