ORD - STM

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1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Chicago to Santarém (ORD-STM)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Santarém

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ORD  Chicago O'Hare Airport-STM Santarém Maestro Wilson Fonseca
3699 mimulti-stop
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STM  Santarém Maestro Wilson Fonseca-ORD Chicago O'Hare Airport
3699 mimulti-stop
Multiple Airlines
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When to book flights from Chicago to Santarém

Are your dates flexible? Find out the best times to travel from Chicago to Santarém based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Chicago O'Hare Intl Airport to Santarém flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Chicago O'Hare Intl Airport to Santarém?

    Flights from Chicago O'Hare Intl Airport to Santarém usually depart from Chicago O'Hare Intl (ORD) and arrive at Santarém Maestro Wilson Fonseca (STM).

  • Can I save money by using flexible dates for flights from Chicago O'Hare Intl Airport to Santarém?

    Yes. Being flexible with your travel dates can save you up to 29% on the Chicago O'Hare Intl Airport to Santarém route. Thursday is the cheapest departure day at $1,273 round-trip on average, while Friday is the most expensive at $1,790, a difference of $517. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • Do I need a passport to fly from Chicago O'Hare Intl Airport to Santarém?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • What is the time difference between Chicago O'Hare Intl Airport and Santarém?

    Santarém is 2 hours ahead of Chicago O'Hare Intl Airport (Brasilia Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Your guide to booking Chicago O'Hare Intl Airport to Santarém flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Thursday departure instead of Friday. On this route, Thursday flights average $1,273 - about $517 less than Friday (29% savings) based on the last 12 months.

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