What is the cheapest month to book a flight from St. Louis to Rio de Janeiro–Galeão Intl Airport?

Currently, November is the cheapest month in which you can book a flight from St. Louis to Rio de Janeiro–Galeão Intl Airport (average of $755). Flying from St. Louis to Rio de Janeiro–Galeão Intl Airport in December is currently the most expensive (average of $1,290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from St. Louis to Rio de Janeiro–Galeão Intl Airport?

Travelers seeking maximum savings on their St. Louis to Rio de Janeiro–Galeão Intl Airport flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from St. Louis to Rio de Janeiro–Galeão Intl Airport?

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 85% on the overall cost on flights from St. Louis to Rio de Janeiro–Galeão Intl Airport.

What is the cheapest month to fly from St. Louis to Rio de Janeiro–Galeão Intl Airport?

The best pricing can be found in the month of February. Prices to Rio de Janeiro–Galeão Intl Airport from St. Louis average $1,099. You can even find prices in February for less than $1,099, as users have found deals to Rio de Janeiro–Galeão Intl Airport from as low as $567. The month of December appears to be one of the more expensive times to travel to Rio de Janeiro–Galeão Intl Airport from St. Louis. Flying in the targeted month can save you up to 34%.

Most accurate provider : When it comes to deals on St. Louis-Rio de Janeiro–Galeão Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Rio de Janeiro–Galeão Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-Rio de Janeiro–Galeão Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on St. Louis-Rio de Janeiro–Galeão Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Rio de Janeiro–Galeão Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from St. Louis to Rio de Janeiro–Galeão Intl?

Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Rio de Janeiro–Galeão Intl. You should not have trouble finding flights to Rio de Janeiro–Galeão Intl from Lambert-St Louis; the airport handles an average of 0 outbound flights to Rio de Janeiro–Galeão Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the St. Louis airport to Rio de Janeiro–Galeão Intl. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

Can I find deals for flights from St. Louis to Rio de Janeiro–Galeão Intl that include hotel bookings?

Yes. In addition to deals on St. Louis to Rio de Janeiro–Galeão Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from St. Louis to Rio de Janeiro–Galeão Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Rio de Janeiro–Galeão Intl.

Can I find deals for business class flights from St. Louis to Rio de Janeiro–Galeão Intl?

Yes. Cheapflights offers flight deals from St. Louis to Rio de Janeiro–Galeão Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$749+ Flights from St. Louis to Rio de Janeiro–Galeão Intl Airport, Brazil - Compare & Save Big

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1. Tell us where you want to go

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Cheap flight deals from St. Louis to Rio de Janeiro–Galeão Intl

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$749 (Gotogate)
Popular in	December
Cheapest in	October
Average price	$1,132

Provider with most accurate pricing for Lambert-St Louis-Rio de Janeiro–Galeão Intl flight deals.

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Provider most trusted by Cheapflights users for Lambert-St Louis-Rio de Janeiro–Galeão Intl flights.

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From Lambert-St Louis to Rio de Janeiro–Galeão Intl

Search Deals

Highest demand for flights based on searches. 6% potential increase in price ($71 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).

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Average for round-trip flights in April 2025

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Find flight deals from St. Louis to Rio de Janeiro–Galeão Intl

Cheapest flights from St. Louis to Rio de Janeiro–Galeão Intl
Explore the most affordable flight options available from St. Louis to Rio de Janeiro–Galeão Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 30, 2025.

dom. 6/17:30 amSTL - GIG

2 stops29h 35mMultiple Airlines

mar. 6/173:55 pmGIG - STL

2 stops22h 41mMultiple Airlines

Deal found 4/28

$749

mié. 6/117:30 amSTL - GIG

2 stops29h 35mAir Canada

lun. 6/235:00 pmGIG - STL

2 stops21h 36mAir Canada

Deal found 4/28

$778

vie. 8/228:10 amSTL - GIG

2 stops21h 50mCopa Airlines

vie. 9/55:05 amGIG - STL

2 stops30h 57mCopa Airlines

Deal found 4/28

$1,008

vie. 11/74:34 pmSTL - GIG

2 stops16h 56mGOL

dom. 11/166:00 amGIG - STL

2 stops20h 01mGOL

Deal found 4/28

$1,060

jue. 7/36:00 amSTL - GIG

2 stops22h 10mDelta

sáb. 8/99:00 pmGIG - STL

1 stop21h 18mDelta

Deal found 4/28

$1,068

vie. 11/79:39 amSTL - GIG

2 stops17h 36mAmerican Airlines

dom. 11/1611:55 pmGIG - STL

1 stop18h 44mAmerican Airlines

Deal found 4/28

$1,101

dom. 6/16:15 amSTL - GIG

1 stop24h 00mUnited Airlines

mar. 6/179:05 pmGIG - STL

1 stop15h 34mUnited Airlines

Deal found 4/28

$1,108

mié. 6/251:30 pmSTL - GIG

1 stop18h 45mLATAM Airlines

mié. 7/97:00 amGIG - STL

2 stops18h 53mLATAM Airlines

Deal found 4/28

$1,182

jue. 6/2610:00 amSTL - GIG

2 stops18h 20mAvianca

vie. 7/41:30 amGIG - STL

2 stops18h 37mAvianca

Deal found 4/29

$4,229

Best flights from St. Louis to Rio de Janeiro–Galeão Intl
Discover carefully curated flight deals from St. Louis to Rio de Janeiro–Galeão Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated abril 30, 2025.

dom. 6/17:30 amSTL - GIG

2 stops29h 35mMultiple Airlines

mar. 6/173:55 pmGIG - STL

2 stops22h 41mMultiple Airlines

Deal found 4/28

$749

mié. 6/117:30 amSTL - GIG

2 stops29h 35mAir Canada

lun. 6/235:00 pmGIG - STL

2 stops21h 36mAir Canada

Deal found 4/28

$778

jue. 7/36:00 amSTL - GIG

2 stops22h 10mDelta

sáb. 8/99:00 pmGIG - STL

1 stop21h 18mDelta

Deal found 4/28

$1,068

dom. 6/16:15 amSTL - GIG

1 stop24h 00mUnited Airlines

mar. 6/179:05 pmGIG - STL

1 stop15h 34mUnited Airlines

Deal found 4/28

$1,108

mié. 6/251:30 pmSTL - GIG

1 stop18h 45mLATAM Airlines

mié. 7/97:00 amGIG - STL

2 stops18h 53mLATAM Airlines

Deal found 4/28

$1,182

jue. 7/38:00 amSTL - GIG

2 stops22h 00mCopa Airlines

vie. 8/81:29 amGIG - STL

2 stops20h 02mCopa Airlines

Deal found 4/28

$1,252

jue. 6/2612:28 pmSTL - GIG

2 stops19h 47mAmerican Airlines

sáb. 7/511:00 pmGIG - STL

1 stop26h 57mAmerican Airlines

Deal found 4/29

$1,254

jue. 6/2610:00 amSTL - GIG

2 stops18h 20mAvianca

vie. 7/41:30 amGIG - STL

2 stops18h 37mAvianca

Deal found 4/29

$4,229

Last-minute flights from St. Louis to Rio de Janeiro–Galeão Intl
Discover last-minute flight deals from St. Louis to Rio de Janeiro–Galeão Intl. Data last updated abril 30, 2025 and is based on user searches.

mar. 4/293:30 pmSTL - GIG

2 stops25h 35mMultiple Airlines

mié. 5/78:55 pmGIG - STL

2 stops41h 41mMultiple Airlines

Deal found 4/28

$988

mar. 4/2911:00 amSTL - GIG

1 stop19h 15mUnited Airlines

mié. 5/79:05 pmGIG - STL

1 stop20h 44mUnited Airlines

Deal found 4/28

$1,259

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Rio de Janeiro–Galeão Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

dom. 6/1

7:30 am-3:05 pm

2 stops29h 35m

Rio de Janeiro–Galeão Intl

mar. 6/17

3:55 pm-12:36 pm

2 stops22h 41m

$749

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

mié. 6/11

7:30 am-3:05 pm

2 stops29h 35m

Rio de Janeiro–Galeão Intl

lun. 6/23

5:00 pm-12:36 pm

2 stops21h 36m

$778

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

jue. 7/3

6:00 am-6:10 am

2 stops22h 10m

Rio de Janeiro–Galeão Intl

sáb. 8/9

9:00 pm-4:18 pm

1 stop21h 18m

$1,068

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

dom. 6/1

6:15 am-8:15 am

1 stop24h 00m

Rio de Janeiro–Galeão Intl

mar. 6/17

9:05 pm-10:39 am

1 stop15h 34m

$1,108

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

mié. 6/25

1:30 pm-10:15 am

1 stop18h 45m

Rio de Janeiro–Galeão Intl

mié. 7/9

7:00 am-11:53 pm

2 stops18h 53m

$1,182

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

jue. 7/3

8:00 am-8:00 am

2 stops22h 00m

Rio de Janeiro–Galeão Intl

vie. 8/8

1:29 am-7:31 pm

2 stops20h 02m

$1,252

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

jue. 6/26

12:28 pm-10:15 am

2 stops19h 47m

Rio de Janeiro–Galeão Intl

sáb. 7/5

11:00 pm-11:57 pm

1 stop26h 57m

$1,254

St. LouisRio de Janeiro

STL - GIG

STLGIG

Lambert-St Louis

jue. 6/26

10:00 am-6:20 am

2 stops18h 20m

Rio de Janeiro–Galeão Intl

vie. 7/4

1:30 am-6:07 pm

2 stops18h 37m

$4,229

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Compare providers for flights from St. Louis to Rio de Janeiro–Galeão Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Rio de Janeiro–Galeão Intl in April.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on St. Louis-Rio de Janeiro–Galeão Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on St. Louis-Rio de Janeiro–Galeão Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from St. Louis-Rio de Janeiro–Galeão Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on St. Louis-Rio de Janeiro–Galeão Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Rio de Janeiro–Galeão Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Rio de Janeiro–Galeão Intl

Have a flexible travel schedule? Discover the best time to fly to Rio de Janeiro–Galeão Intl from St. Louis 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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Rio de Janeiro–Galeão Intl Airport

What is the cheapest time of day to fly from STL to GIG?

It’s optimal to fly from St. Louis to Rio de Janeiro–Galeão Intl Airport in the morning. By choosing this option you can save up to 17% on the cost of your flight, compared to a flight at noon.

Rainfall in Rio de Janeiro–Galeão Intl by month

In terms of precipitation, rainfall in Rio de Janeiro–Galeão Intl Airport ranges from 1.6 - 5.1 inches per month. January is typically the wettest month, when rainfall can reach 5.1 in. July is typically the driest time to visit Rio de Janeiro–Galeão Intl Airport when rainfall is around 1.6 in.

Temperature in Rio de Janeiro–Galeão Intl by month

If weather is an important factor for your trip to Rio de Janeiro–Galeão Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Rio de Janeiro–Galeão Intl

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

7,936 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LATAM Airlines

7.5

Good

1,767 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Copa Airlines

7.5

Good

1,411 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from St. Louis to Rio de Janeiro–Galeão Intl?
Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Rio de Janeiro–Galeão Intl. You should not have trouble finding flights to Rio de Janeiro–Galeão Intl from Lambert-St Louis; the airport handles an average of 0 outbound flights to Rio de Janeiro–Galeão Intl per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the St. Louis airport to Rio de Janeiro–Galeão Intl. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.
What are the cheapest airlines flying from St. Louis to Rio de Janeiro–Galeão Intl Airport round-trip?
Currently priced at $778, Air Canada will fly you from St. Louis to Rio de Janeiro–Galeão Intl Airport and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $1,068 and $1,108, respectively. Users have found that Air Canada is 26% cheaper than the other options available to this destination.
Can I find deals for flights from St. Louis to Rio de Janeiro–Galeão Intl that include hotel bookings?
Yes. In addition to deals on St. Louis to Rio de Janeiro–Galeão Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from St. Louis to Rio de Janeiro–Galeão Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Rio de Janeiro–Galeão Intl.
Can I find deals for business class flights from St. Louis to Rio de Janeiro–Galeão Intl?
Yes. Cheapflights offers flight deals from St. Louis to Rio de Janeiro–Galeão Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from St. Louis to Rio de Janeiro–Galeão Intl Airport?
Currently, November is the cheapest month in which you can book a flight from St. Louis to Rio de Janeiro–Galeão Intl Airport (average of $755). Flying from St. Louis to Rio de Janeiro–Galeão Intl Airport in December is currently the most expensive (average of $1,290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from St. Louis to Rio de Janeiro–Galeão Intl

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$697	Average$1,176	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$717	Average$847	FlexibilityNo cancel fee	On-time71%

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$749+ Cheap flights from St. Louis (STL) to Rio de Janeiro–Galeão Intl, Brazil (GIG)

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from St. Louis to Rio de Janeiro–Galeão Intl with Cheapflights

1. Tell us where you want to go

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Cheap flight deals from St. Louis to Rio de Janeiro–Galeão Intl

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Most trusted provider

Round-trip from

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Find flight deals from St. Louis to Rio de Janeiro–Galeão Intl

Cheapest flights from St. Louis to Rio de Janeiro–Galeão IntlExplore the most affordable flight options available from St. Louis to Rio de Janeiro–Galeão Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 30, 2025.

Explore the most affordable flight options available from St. Louis to Rio de Janeiro–Galeão Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 30, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to Rio de Janeiro–Galeão Intl Airport that are best for you.

Compare providers for flights from St. Louis to Rio de Janeiro–Galeão Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Rio de Janeiro–Galeão Intl in April.

Best time to book a flight from St. Louis to Rio de Janeiro–Galeão Intl

Have a flexible travel schedule? Discover the best time to fly to Rio de Janeiro–Galeão Intl from St. Louis with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Rio de Janeiro–Galeão Intl Airport

What is the cheapest time of day to fly from STL to GIG?

Find hourly flight availability from St. Louis to Rio de Janeiro–Galeão Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 30, 2025.

Rainfall in Rio de Janeiro–Galeão Intl by month

Plan your trip to Rio de Janeiro–Galeão Intl by taking into account the average rainfall totals by month.

Temperature in Rio de Janeiro–Galeão Intl by month

Plan your trip to Rio de Janeiro–Galeão Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing Rio de Janeiro–Galeão Intl

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Rio de Janeiro–Galeão Intl. 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 from for flights from St. Louis to Rio de Janeiro–Galeão Intl?

What are the cheapest airlines flying from St. Louis to Rio de Janeiro–Galeão Intl Airport round-trip?

Can I find deals for flights from St. Louis to Rio de Janeiro–Galeão Intl that include hotel bookings?

How can I find direct flights from St. Louis to Rio de Janeiro–Galeão Intl?

Can I find deals for business class flights from St. Louis to Rio de Janeiro–Galeão Intl?

What is the cheapest month to book a flight from St. Louis to Rio de Janeiro–Galeão Intl Airport?

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.

Alternative routes for St. Louis to Rio de Janeiro–Galeão Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from St. Louis to Rio de Janeiro–Galeão Intl

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Cheapest flights from St. Louis to Rio de Janeiro–Galeão Intl
Explore the most affordable flight options available from St. Louis to Rio de Janeiro–Galeão Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 30, 2025.