How do I get Price Alerts for flights from Illinois to Santarém?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Illinois from Santarém . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How can I save money on flights from Illinois to Santarém with momondo?

By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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

Prices for flights from Illinois to Santarém Maestro Wilson Fonseca Airport refresh daily.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Santarém Maestro Wilson Fonseca Airport.

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

The required travel and health documents for your Santarém Maestro Wilson Fonseca Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Santarém Maestro Wilson Fonseca Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$1,034 Cheap Flights from Illinois to Santarém in 2025/26

1 adult

0 bags

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Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:03 pm - 1:35 pmORD-STM

43h 32m2 stops

2:45 pm - 12:36 amSTM-ORD

36h 51m3 stops

$1,034GOL

Find Deal

Wed, Feb 18 - Sun, Feb 22

5:26 pm - 1:35 pmORD-STM

41h 09m3 stops

2:45 pm - 9:21 pmSTM-ORD

33h 36m3 stops

$1,047GOL

Find Deal

Wed, Feb 18 - Sun, Feb 22

5:26 pm - 1:35 pmORD-STM

41h 09m3 stops

2:45 pm - 9:25 pmSTM-ORD

33h 40m3 stops

$1,090GOL

Find Deal

Wed, Feb 18 - Sun, Feb 22

3:03 pm - 1:35 pmORD-STM

43h 32m2 stops

2:45 pm - 12:08 pmSTM-ORD

24h 23m3 stops

$1,110GOL

Find Deal

Wed, Feb 18 - Sun, Feb 22

GOL flights from Illinois to Santarém

Our best GOL deals on Illinois to Santarém flight tickets

GOL

Feb 18

ORD3:03 pmChicago O'Hare Intl

43h 32m

2 stops

STM1:35 pmSantarém Maestro Wilson Fonseca

Feb 22

STM2:45 pmSantarém Maestro Wilson Fonseca

36h 51m

3 stops

ORD12:36 amChicago O'Hare Intl

$1,034

Find similar

GOL

Feb 18

ORD5:26 pmChicago O'Hare Intl

41h 09m

3 stops

STM1:35 pmSantarém Maestro Wilson Fonseca

Feb 22

STM2:45 pmSantarém Maestro Wilson Fonseca

33h 36m

3 stops

ORD9:21 pmChicago O'Hare Intl

$1,047

Find similar

GOL

Feb 18

ORD5:26 pmChicago O'Hare Intl

41h 09m

3 stops

STM1:35 pmSantarém Maestro Wilson Fonseca

Feb 22

STM2:45 pmSantarém Maestro Wilson Fonseca

33h 40m

3 stops

ORD9:25 pmChicago O'Hare Intl

$1,090

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSantarém

ORD - STM

ORDSTM

Chicago O'Hare Intl

Wed 2/18

3:03 pm-1:35 pm

2 stops43h 32m

Santarém Maestro Wilson Fonseca

Sun 2/22

2:45 pm-12:36 am

3 stops36h 51m

$1,034

ChicagoSantarém

ORD - STM

ORDSTM

Chicago O'Hare Intl

Wed 2/18

5:26 pm-1:35 pm

3 stops41h 09m

Santarém Maestro Wilson Fonseca

Sun 2/22

2:45 pm-9:21 pm

3 stops33h 36m

$1,047

ChicagoSantarém

ORD - STM

ORDSTM

Chicago O'Hare Intl

Wed 2/18

5:26 pm-1:35 pm

3 stops41h 09m

Santarém Maestro Wilson Fonseca

Sun 2/22

2:45 pm-9:25 pm

3 stops33h 40m

$1,090

ChicagoSantarém

ORD - STM

ORDSTM

Chicago O'Hare Intl

Wed 2/18

3:03 pm-1:35 pm

2 stops43h 32m

Santarém Maestro Wilson Fonseca

Sun 2/22

2:45 pm-12:08 pm

3 stops24h 23m

$1,110

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Illinois to Santarém flight deals and tips

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

Direct flights	None

There are no direct flights from Illinois to Santarém. There are no popular flight routes from Illinois to Santarém.

Search flight deals

When did momondo last update prices for flights from Illinois to Santarém Maestro Wilson Fonseca Airport?
Prices for flights from Illinois to Santarém Maestro Wilson Fonseca Airport refresh daily.
How old do you have to be to fly from Illinois to Santarém Maestro Wilson Fonseca Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Santarém Maestro Wilson Fonseca Airport.
What documentation or ID do you need to fly to Santarém Maestro Wilson Fonseca Airport?
The required travel and health documents for your Santarém Maestro Wilson Fonseca Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Santarém Maestro Wilson Fonseca Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

How do I get Price Alerts for flights from Illinois to Santarém?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Illinois from Santarém. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Illinois to Santarém with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

It is quick and easy to find Illinois to Santarém flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Santarém that suits you.

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

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

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

momondo helps you find the best flight between Illinois and Santarém by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Illinois 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 Illinois and alert you when they change.