Cheap flights from Watertown to Chicago

One-way fares from $429 · ATY → CHI · prices found by travellers in the last 48 hours

Cheapest fare
$429

United Airlines · Fri, Nov 13

Cheapest month
November

from $429

Direct flights
Not recently

Usually 1+ stop

Quickest trip
4h 49m

840 km

Get a price alert

We'll email you when Watertown → Chicago drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $429. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Watertown to Chicago

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $429

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

United Airlines
Depart11:10 Fri, Nov 13ATY → ORD 4h 54m · 1 stop
$429one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Chicago

Where to stay, what to do and getting around, from our travel partners.

About flights from Watertown to Chicago

Watertown (ATY) and Chicago (CHI) are about 840 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 49m. Over the next few months, one-way fares start from $429, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Watertown to Chicago?

The cheapest one-way fare we've seen recently is $429 with United Airlines, departing Friday, November 13, 2026.

What is the cheapest month to fly from Watertown to Chicago?

November 2026 currently has the lowest fares, from $429 one way.

Are there direct flights from Watertown to Chicago?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Watertown to Chicago?

The quickest journey we've seen takes about 4h 49m. Watertown and Chicago are around 840 km apart.

Which airlines fly from Watertown to Chicago?

Recent fares on this route were with United Airlines.

More cheap flights from Watertown

Compare flights to Chicago from other cities →