$254 Find Cheap Flights from Watertown to Illinois

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Watertown to Illinois departing on 5/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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KAYAK searches hundreds of travel sites at once for deals on flights to Illinois

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Watertown to Illinois, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Watertown to Illinois, as well as popular online travel agencies
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Best Illinois Flight Deals from Watertown

Cheapest round-trip prices found by our users on KAYAK in the last 72 hours

St. Louis
St. Louis2 stops$254
St. Louis
St. Louis2 stops$254

Cheap Flights from Watertown to Illinois

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Watertown to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Watertown to Illinois

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Watertown to Illinois.
Discover the best prices for you by selecting your travel dates on KAYAK.
American Airlines Logo
6:05 am - 3:11 pmART-STL
10h 06m2 stops
American Airlines Logo
6:00 am - 1:16 pmSTL-ART
6h 16m1 stop
$254American Airlines
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Thu, May 15 - Mon, May 19
American Airlines Logo
6:05 am - 3:11 pmART-STL
10h 06m2 stops
American Airlines Logo
5:00 am - 1:16 pmSTL-ART
7h 16m2 stops
$259American Airlines
Find Deal
Thu, May 15 - Mon, May 19
American Airlines Logo
6:05 am - 12:27 pmART-STL
7h 22m1 stop
American Airlines Logo
6:00 am - 1:16 pmSTL-ART
6h 16m1 stop
$334American Airlines
Find Deal
Thu, May 15 - Mon, May 19
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KAYAK's insights & trends for Watertown to Illinois flights

Get data-powered insights and trends into flights from Watertown to Illinois to help you find the cheapest flights, the best time to fly and much more.

How long does a flight from Watertown to Illinois take?

The duration of a flight to Illinois depends on your arrival airport. The shortest route to Illinois from Watertown is to Chicago, which takes 5h 40m.

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Good to know

Cheapest flight$254
Flight from Watertown to St. Louis

FAQs - booking Illinois flights

  • How does KAYAK find such low prices on flights from Watertown to Illinois?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Watertown to Illinois.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Watertown to Illinois?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Watertown to Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Watertown to Illinois?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Watertown to Illinois with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Watertown to Illinois?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Watertown to Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Illinois?

    The cheapest time of day to fly to Illinois is generally in the evening, when round-trip flights cost $268 on average. Morning departures are around 100% cheaper than evening flights, on average. The most expensive time of day to fly to Illinois is generally in the evening, which is peak travel time and where the average cost of a ticket is $268.

Everything you need to know for your flight from Watertown to Illinois

Information on your arrival and departure airports

Watertown (ART)

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