Flights from Ottawa to Chicago starting from USD271*

Promo Code

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Lowest fares from Ottawa to Chicago 

Try alternate month or interact with individual days below in order to find offers.
Mar 2026
No fares searched this month
Apr 2026
FromUSD271*
Seen: 1 day ago
Flight Type One Way/Economy
May 2026
FromUSD290*
Seen: 12 hours ago
Flight Type One Way/Economy
USD271
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    • RangeUSD271-USD277

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.

    Flights from Ottawa to Chicago

    Great deals from Ottawa to Chicago

    USD
    FromToDatesFare TypePrice

    Ottawa (YOW)

    Chicago (MDW)

    Apr 29, 2026

    		One-way fare/Economy

    *Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Learn more about this offer. Additional baggage fees and charges for optional products and services may apply.

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