HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Santarém

$1,090+ Cheap flights from O'Hare Intl (ORD) to Santarém (STM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — STM
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Santarém with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from O'Hare Intl to Santarém

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Santarém (STM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2025.

Round-trip from

$1,090
(GOL)
From Chicago O'Hare Intl to Santarém Maestro Wilson Fonseca
Search Deals

Find flight deals from O'Hare Intl to Santarém

Best flights from O'Hare Intl to Santarém
Discover carefully curated flight deals from O'Hare Intl to Santarém that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2025.

This GOL deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/185:50 pmORD - STM
3 stops41h 10mGOL
Sun 2/222:45 pmSTM - ORD
3 stops35h 33mGOL
Deal found 10/25$1,090
This Azul deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Azul is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1810:40 amORD - STM
2 stops37h 40mAzul
Sun 2/222:55 pmSTM - ORD
2 stops47h 39mAzul
Deal found 10/25$1,578

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Santarém that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 28, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Santarém that are best for you.

Fly from

O'Hare Intl

Fly to

Santarém

Route

Depart

Return

Price

ChicagoSantarém

ORD - STM

ORDSTM

Chicago O'Hare Intl

Wed 2/18

5:50 pm-2:00 pm

3 stops41h 10m

Santarém Maestro Wilson Fonseca

Sun 2/22

2:45 pm-11:18 pm

3 stops35h 33m

$1,090

ChicagoSantarém

ORD - STM

ORDSTM

Chicago O'Hare Intl

Wed 2/18

10:40 am-3:20 am

2 stops37h 40m

Santarém Maestro Wilson Fonseca

Sun 2/22

2:55 pm-11:34 am

2 stops47h 39m

$1,578

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Best time to book a flight from O'Hare Intl to Santarém

Have a flexible travel schedule? Discover the best time to fly to Santarém from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Santarém. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Santarém from Chicago O'Hare Intl?

    Santarém Maestro Wilson Fonseca (STM) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to Santarém. You should not have trouble finding flights to Maestro Wilson Fonseca from Chicago O'Hare Intl; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Santarém airport from Chicago O'Hare Intl. It is only a 6.0 mi journey from Maestro Wilson Fonseca (STM) to Santarém’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Santarém?

    There are many flights that can get you from Chicago O'Hare Intl Airport to Santarém in 41h 10m. Fly via GOL to get the fastest option. The distance between Chicago O'Hare Intl Airport and Santarém is about 3699 mi.

  • Can I find deals for flights from O'Hare Intl to Santarém that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Santarém flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Santarém?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Santarém.

  • Can I find deals for business class flights from O'Hare Intl to Santarém?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Santarém by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Santarém by adding a car rental and/or hotel reservation to your travel itinerary.
Santarém car rentals
Santarém Maestro Wilson Fonseca Airport car rentals
Belém car rentals
Marabá car rentals

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.