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Cheap flights from Chicago to Santarém from $503

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Santarém departing on 11/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Chicago to Santarém

Cheap round-trip flights

Enter your travel dates to find the best prices.
GOL Logo
1:59 pm - 1:35 pm
ORD
-
STM
21h 36m
3 stops
GOL Logo
3:20 pm - 9:38 pm
STM
-
ORD
32h 18m
3 stops
$1,178GOL
Wed, Sep 9 - Wed, Sep 16
GOL Logo
1:59 pm - 1:35 pm
ORD
-
STM
21h 36m
2 stops
GOL Logo
3:20 pm - 9:38 pm
STM
-
ORD
32h 18m
2 stops
$1,189GOL
Wed, Sep 9 - Wed, Sep 16
GOL Logo
4:35 pm - 1:35 pm
ORD
-
STM
19h 00m
3 stops
GOL Logo
2:15 pm - 9:38 pm
STM
-
ORD
33h 23m
3 stops
$1,482GOL
Thu, Sep 10 - Thu, Sep 17
Multiple Airlines Logo
10:50 am - 2:40 pm
ORD
-
STM
25h 50m
2 stops
Multiple Airlines Logo
4:30 pm - 9:20 pm
STM
-
ORD
30h 50m
3 stops
$1,755Multiple Airlines
Wed, Sep 9 - Wed, Sep 16
GOL Logo
10:05 am - 1:35 pm
ORD
-
STM
25h 30m
2 stops
GOL Logo
2:15 pm - 12:33 am
STM
-
ORD
36h 18m
2 stops
$1,776GOL
Thu, Sep 10 - Thu, Sep 17

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GOL flights from Chicago to Santarém

Our best GOL deals on Chicago to Santarém flight tickets
GOL
Sep 9
ORD1:59 pmChicago O'Hare Intl
21h 36m
3 stops
STM1:35 pmSantarém Maestro Wilson Fonseca
Sep 16
STM3:20 pmSantarém Maestro Wilson Fonseca
32h 18m
3 stops
ORD9:38 pmChicago O'Hare Intl
$1,178
GOL
Sep 9
ORD1:59 pmChicago O'Hare Intl
21h 36m
2 stops
STM1:35 pmSantarém Maestro Wilson Fonseca
Sep 16
STM3:20 pmSantarém Maestro Wilson Fonseca
32h 18m
2 stops
ORD9:38 pmChicago O'Hare Intl
$1,189
GOL
Sep 10
ORD4:35 pmChicago O'Hare Intl
19h 00m
3 stops
STM1:35 pmSantarém Maestro Wilson Fonseca
Sep 17
STM2:15 pmSantarém Maestro Wilson Fonseca
33h 23m
3 stops
ORD9:38 pmChicago O'Hare Intl
$1,482

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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, momondo users made 832,500 searches. Data last updated July 29, 2026.
Use the filters below to find and compare flights from Chicago to Santarém that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSantarém

ORD - STM

ORDSTM

Chicago O'Hare Intl

Wed 9/9

1:59 pm-1:35 pm

3 stops21h 36m

Santarém Maestro Wilson Fonseca

Wed 9/16

3:20 pm-9:38 pm

3 stops32h 18m

$1,178

ChicagoSantarém

ORD - STM

ORDSTM

Chicago O'Hare Intl

Wed 9/9

1:59 pm-1:35 pm

2 stops21h 36m

Santarém Maestro Wilson Fonseca

Wed 9/16

3:20 pm-9:38 pm

2 stops32h 18m

$1,189
Quickest round-trip

ChicagoSantarém

ORD - STM

ORDSTM

Chicago O'Hare Intl

Thu 9/10

4:35 pm-1:35 pm

3 stops19h 00m

Santarém Maestro Wilson Fonseca

Thu 9/17

2:15 pm-9:38 pm

3 stops33h 23m

$1,482

ChicagoSantarém

ORD - STM

ORDSTM

Chicago O'Hare Intl

Wed 9/9

10:50 am-2:40 pm

2 stops25h 50m

Santarém Maestro Wilson Fonseca

Wed 9/16

4:30 pm-9:20 pm

3 stops30h 50m

$1,755

ChicagoSantarém

ORD - STM

ORDSTM

Chicago O'Hare Intl

Thu 9/10

10:05 am-1:35 pm

2 stops25h 30m

Santarém Maestro Wilson Fonseca

Thu 9/17

2:15 pm-12:33 am

2 stops36h 18m

$1,776
Cheapest one-way

ChicagoSantarém

ORD - STM

ORDSTM

Chicago O'Hare Intl

Fri 11/13

4:43 pm-2:10 pm

3 stops42h 27m

$503

ChicagoSantarém

ORD - STM

ORDSTM

Chicago O'Hare Intl

Thu 11/12

7:50 am-3:10 pm

3 stops52h 20m

$505

ChicagoSantarém

ORD - STM

ORDSTM

Chicago O'Hare Intl

Fri 11/13

4:43 pm-2:10 pm

2 stops42h 27m

$511

ChicagoSantarém

ORD - STM

ORDSTM

Chicago O'Hare Intl

Thu 11/12

2:13 pm-1:45 pm

3 stops44h 32m

$513

ChicagoSantarém

ORD - STM

ORDSTM

Chicago O'Hare Intl

Mon 11/9

7:35 am-1:50 pm

3 stops27h 15m

$515

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Santarém from

How to get the cheapest flight ticket from Chicago to Santarém

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Chicago to Santarém Maestro Wilson Fonseca?

GOL is the most popular carrier operating from Chicago to Santarém Maestro Wilson Fonseca

When to book flights from Chicago to Santarém

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Santarém according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Santarém (CHI to STM) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Santarém

Fastest flight time

21h 36m

Direct flights

None
The fastest flight from Chicago to Santarém takes 21h 36m
There are no direct flights from Chicago to Santarém. There are no popular flight routes from Chicago to Santarém.
Search flight deals

Frequently asked questions about flying from Chicago to Santarém

  • How far is Chicago to Santarém Maestro Wilson Fonseca by plane?

    A flight from Chicago to Santarém Maestro Wilson Fonseca will travel around 3688.0 mi. In terms of flight time, this usually takes a little over 21h 36m.

  • When did momondo last update prices for flights from Chicago to Santarém Maestro Wilson Fonseca Airport?

    Prices for flights from Chicago to Santarém Maestro Wilson Fonseca Airport were last updated today.

  • How old do you have to be to fly from Chicago to Santarém Maestro Wilson Fonseca Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Santarém Maestro Wilson Fonseca Airport.

  • What documentation or ID do you need to fly to Santarém Maestro Wilson Fonseca Airport?

    The travel and health documents required for your trip to Santarém Maestro Wilson Fonseca Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Santarém Maestro Wilson Fonseca Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Santarém?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Santarém. momondo saves you time and could save you money on your trip.

Can I find flights from Chicago to Santarém with flexible booking policies on momondo?

momondo does allow users to show only those flights to Santarém from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Santarém?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Santarém.

I’m not ready to book a flight from Chicago to Santarém right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Santarém, momondo offers a useful price alert feature which will track prices for flights to Santarém from Chicago and alert you when they change.

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