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Cheap flights from St. Louis (STL) to Santos Dumont (SDU) from $390

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — SDU
May 20 — May 271
From?
To?
Mon 5/20
Mon 5/27
1 adult, Economy
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What is the cheapest month to fly from St. Louis to Rio de Janeiro Santos Dumont Airport?

Flights from St. Louis to Rio de Janeiro Santos Dumont Airport lean towards being more expensive in June. Prices are generally better when you fly from St. Louis to Rio de Janeiro Santos Dumont Airport in October, with the cheapest ticket starting at $839.

When is the cheapest time to fly from St. Louis to Rio de Janeiro Santos Dumont Airport (STL - SDU)?

When flying from St. Louis to Rio de Janeiro Santos Dumont Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap GOL flights from St. Louis to Santos Dumont

Explore cheap flight options specifically provided by GOL for the route between St. Louis and Santos Dumont. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
Peruse some of the lowest-priced GOL flights we've found from St. Louis to Rio de Janeiro. Make sure to check back often as deals are often changing.
Sun 8/115:31 amSTL - SDU
2 stops33h 39mGOL
Sun 8/259:35 amSDU - STL
2 stops39h 25mGOL
Deal found 5/14$848
Mon 7/15:00 amSTL - SDU
2 stops15h 20mGOL
Mon 7/226:00 amSDU - STL
2 stops19h 07mGOL
Deal found 5/14$1,335
Sun 6/305:00 amSTL - SDU
2 stops25h 55mGOL
Sat 7/205:50 pmSDU - STL
2 stops31h 17mGOL
Deal found 5/14$1,843

Cheap LATAM Airlines flights from St. Louis to Santos Dumont

Explore cheap flight options specifically provided by LATAM Airlines for the route between St. Louis and Santos Dumont. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
Browse through some of the cheapest LATAM Airlines flights traveling from St. Louis to Rio de Janeiro. Deals frequently update to provide users with more options.
Sat 8/172:05 pmSTL - SDU
2 stops16h 55mLATAM Airlines
Wed 8/216:05 amSDU - STL
2 stops19h 34mLATAM Airlines
Deal found 5/13$1,030
Sat 8/175:05 pmSTL - SDU
2 stops24h 40mLATAM Airlines
Wed 8/216:05 amSDU - STL
2 stops19h 34mLATAM Airlines
Deal found 5/14$1,031
Wed 8/1411:51 amSTL - SDU
2 stops31h 39mLATAM Airlines
Wed 8/216:05 amSDU - STL
2 stops30h 42mLATAM Airlines
Deal found 5/14$1,080
Wed 8/146:00 amSTL - SDU
3 stops37h 30mLATAM Airlines
Wed 8/211:15 pmSDU - STL
3 stops36h 24mLATAM Airlines
Deal found 5/14$1,109
Mon 6/105:25 pmSTL - SDU
2 stops26h 05mLATAM Airlines
Mon 6/247:05 amSDU - STL
2 stops30h 56mLATAM Airlines
Deal found 5/14$1,182
Sun 6/301:06 pmSTL - SDU
2 stops30h 24mLATAM Airlines
Sat 7/206:05 amSDU - STL
2 stops28h 57mLATAM Airlines
Deal found 5/15$1,191
Thu 7/256:00 amSTL - SDU
2 stops28h 35mLATAM Airlines
Fri 12/206:50 pmSDU - STL
2 stops28h 53mLATAM Airlines
Deal found 5/15$1,200
Wed 8/142:05 pmSTL - SDU
3 stops53h 25mLATAM Airlines
Wed 8/211:15 pmSDU - STL
2 stops36h 24mLATAM Airlines
Deal found 5/14$1,258
Wed 7/106:00 amSTL - SDU
2 stops24h 55mLATAM Airlines
Fri 7/198:15 pmSDU - STL
2 stops25h 48mLATAM Airlines
Deal found 5/14$5,080

Cheap St. Louis to Santos Dumont flights in May & June 2024

Find cheap flight options from St. Louis to Santos Dumont specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,644,845 searches. Prices were last updated on May 15, 2024.
These are some of the best deals we've found on flights to Rio de Janeiro in 2024 at this time. For more flight deals, be sure to check back very soon.
Sat 6/226:22 pmSTL - SDU
2 stops26h 03mMultiple Airlines
Mon 6/247:50 amSDU - STL
3 stops29h 07mMultiple Airlines
Deal found 5/14$979
Sat 6/2211:34 amSTL - SDU
3 stops21h 51mMultiple Airlines
Mon 6/247:50 amSDU - STL
3 stops29h 07mMultiple Airlines
Deal found 5/14$988
Wed 6/129:50 amSTL - SDU
2 stops44h 40mMultiple Airlines
Wed 6/197:40 amSDU - STL
2 stops38h 21mMultiple Airlines
Deal found 5/15$1,129
Mon 6/105:25 pmSTL - SDU
2 stops26h 05mLATAM Airlines
Mon 6/247:05 amSDU - STL
2 stops30h 56mLATAM Airlines
Deal found 5/14$1,182
Sun 6/301:06 pmSTL - SDU
2 stops30h 24mLATAM Airlines
Sat 7/206:05 amSDU - STL
2 stops28h 57mLATAM Airlines
Deal found 5/15$1,191
Tue 6/44:05 pmSTL - SDU
2 stops26h 30mMultiple Airlines
Tue 6/187:40 amSDU - STL
2 stops33h 41mMultiple Airlines
Deal found 5/14$1,248
Sat 6/228:55 amSTL - SDU
2 stops24h 30mUnited Airlines
Mon 6/245:45 pmSDU - STL
2 stops18h 11mUnited Airlines
Deal found 5/14$1,251
Sat 6/18:55 amSTL - SDU
2 stops24h 30mUnited Airlines
Tue 6/45:45 pmSDU - STL
2 stops25h 27mUnited Airlines
Deal found 5/15$1,331
Sun 6/305:00 amSTL - SDU
2 stops25h 55mGOL
Sat 7/205:50 pmSDU - STL
2 stops31h 17mGOL
Deal found 5/14$1,843

St. Louis to Santos Dumont 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Santos Dumont in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
These are some of the best deals we've found on flights to Rio de Janeiro in 2024 at this time. For more flight deals, be sure to check back very soon.
Sun 8/117:24 pmSTL - SDU
3 stops24h 16mMultiple Airlines
Sun 8/258:40 amSDU - STL
3 stops39h 34mMultiple Airlines
Deal found 5/14$822
Sun 8/116:19 pmSTL - SDU
2 stops26h 06mMultiple Airlines
Sun 8/258:40 amSDU - STL
3 stops39h 34mMultiple Airlines
Deal found 5/14$835
Sun 8/115:31 amSTL - SDU
2 stops33h 39mGOL
Sun 8/259:35 amSDU - STL
2 stops39h 25mGOL
Deal found 5/14$848
Tue 8/610:11 amSTL - SDU
2 stops21h 19mMultiple Airlines
Fri 8/97:45 pmSDU - STL
2 stops23h 44mMultiple Airlines
Deal found 5/14$960
Tue 8/610:11 amSTL - SDU
2 stops21h 19mMultiple Airlines
Fri 8/96:10 amSDU - STL
3 stops30h 24mMultiple Airlines
Deal found 5/14$962
Sat 6/226:22 pmSTL - SDU
2 stops26h 03mMultiple Airlines
Mon 6/247:50 amSDU - STL
3 stops29h 07mMultiple Airlines
Deal found 5/14$979
Sat 6/2211:34 amSTL - SDU
3 stops21h 51mMultiple Airlines
Mon 6/247:50 amSDU - STL
3 stops29h 07mMultiple Airlines
Deal found 5/14$988
Sat 8/172:05 pmSTL - SDU
2 stops16h 55mLATAM Airlines
Wed 8/216:05 amSDU - STL
2 stops19h 34mLATAM Airlines
Deal found 5/13$1,030
Sat 8/175:05 pmSTL - SDU
2 stops24h 40mLATAM Airlines
Wed 8/216:05 amSDU - STL
2 stops19h 34mLATAM Airlines
Deal found 5/14$1,031

One-way flights to Santos Dumont from St. Louis

Search for one-way flight options from St. Louis to Santos Dumont. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,644,845 searches. Data last updated May 15, 2024.
Some of the best available deals we've found on one-way flights from St. Louis to Rio de Janeiro. Those needing a return flight from St. Louis to Rio de Janeiro can use the search form above.
Thu 8/157:48 pmSTL - SDU
3 stops35h 52mMultiple Airlines
Deal found 5/14$390
Thu 8/156:24 pmSTL - SDU
2 stops36h 01mMultiple Airlines
Deal found 5/14$398
Sat 8/2411:39 amSTL - SDU
3 stops25h 51mMultiple Airlines
Deal found 5/14$412
Mon 8/129:20 pmSTL - SDU
2 stops41h 50mMultiple Airlines
Deal found 5/14$419
Thu 6/138:12 pmSTL - SDU
3 stops32h 58mMultiple Airlines
Deal found 5/14$467
Sat 8/246:24 pmSTL - SDU
2 stops38h 41mMultiple Airlines
Deal found 5/14$469
Mon 8/129:20 pmSTL - SDU
3 stops37h 50mMultiple Airlines
Deal found 5/14$471
Tue 9/310:34 amSTL - SDU
2 stops32h 01mMultiple Airlines
Deal found 5/15$474
Tue 9/310:34 amSTL - SDU
3 stops25h 46mMultiple Airlines
Deal found 5/15$495

Find flights from St. Louis to Santos Dumont within your budget

Customize your flight search to find flights from St. Louis to Santos Dumont 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 2,644,845 searches. Data last updated May 15, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$822 - $1,263

Route

Depart

Return

Price

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Sun 8/11

3 stops24h 16m

Rio de Janeiro Santos Dumont

Sun 8/25

3 stops39h 34m

$822

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Sun 8/11

2 stops26h 06m

Rio de Janeiro Santos Dumont

Sun 8/25

3 stops39h 34m

$835

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Sun 8/11

2 stops33h 39m

Rio de Janeiro Santos Dumont

Sun 8/25

2 stops39h 25m

$848

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Tue 8/6

2 stops21h 19m

Rio de Janeiro Santos Dumont

Fri 8/9

2 stops23h 44m

$960

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Tue 8/6

2 stops21h 19m

Rio de Janeiro Santos Dumont

Fri 8/9

3 stops30h 24m

$962

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Sat 8/17

2 stops16h 55m

Rio de Janeiro Santos Dumont

Wed 8/21

2 stops19h 34m

$1,030

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Sat 8/17

2 stops24h 40m

Rio de Janeiro Santos Dumont

Wed 8/21

2 stops19h 34m

$1,031

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Sat 6/22

2 stops24h 30m

Rio de Janeiro Santos Dumont

Mon 6/24

2 stops18h 11m

$1,251

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Thu 8/15

2 stops26h 30m

Rio de Janeiro Santos Dumont

Mon 8/19

2 stops39h 15m

$1,263

Flights are sorted by cheapest first

Deals found on 5/14

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Santos Dumont

Get insights into the airlines that provide service to Santos Dumont. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santos Dumont. Reviews last updated May 15, 2024.
Get a feel of what it's like to fly with GOL, LATAM Airlines and United Airlines from St. Louis to Rio de Janeiro by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,691 reviews
Delta
8.0
Very good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

LATAM Airlines
7.6
Good
2,409 reviews
Delta
8.0
Very good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

GOL
7.5
Good
1,300 reviews
Delta
8.0
Very good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,946 reviews
Delta
8.0
Very good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Air Canada
7.0
Good
6,944 reviews
Delta
8.0
Very good
10,691 reviews
Check prices

Comfort

7.9

Food

7.4

Entertainment

8.0

Crew

8.6

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Santos Dumont. 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 Santos Dumont?

    Most people fly from Lambert-St Louis (STL) if they book a flight from St. Louis to Rio de Janeiro Santos Dumont. On average, Lambert-St Louis has 0 outbound flights to Rio de Janeiro Santos Dumont per day from 0 airlines. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

  • Can I find flights from St. Louis to Rio de Janeiro Santos Dumont Airport for under $900 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Rio de Janeiro Santos Dumont Airport for under $900. The cheapest flight booked recently is on Multiple Airlines for just $822, but on average you can expect to pay $1,066.

  • What does STL to SDU mean?

    These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Lambert-St Louis Airport to Rio de Janeiro Santos Dumont Airport flight would often be abbreviated as a STL to SDU flight.

  • Can I find deals for flights from St. Louis to Santos Dumont that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Santos Dumont flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Santos Dumont with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Santos Dumont flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Santos Dumont that include hotel bookings?

    Yes. In addition to deals on St. Louis to Santos Dumont flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Santos Dumont?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Santos Dumont.

  • Can I find deals for business class flights from St. Louis to Santos Dumont?

    Yes. Cheapflights offers flight deals from St. Louis to Santos Dumont by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Santos Dumont that allow pets onboard?

    Many airlines flying from St. Louis to Santos Dumont offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Santos Dumont?

    Yes, you can often find last-minute deals on St. Louis to Santos Dumont flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Rio de Janeiro Santos Dumont Airport flight deals updated?

    The St. Louis to Rio de Janeiro Santos Dumont Airport flight deals you see on this page were last updated on 5/14.

See more FAQs

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Alternative routes for St. Louis to Santos Dumont
See prices for flight routes from nearby airports that may be better suited for you.

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Search flights from St. Louis to Santos Dumont by cabin class

Find flights from St. Louis to Santos Dumont, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

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How does Cheapflights help users find flights from St. Louis to Santos Dumont?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from St. Louis to Santos Dumont. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Santos Dumont?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from St. Louis to Santos Dumont for you. Better yet — we are completely free to use.

Can Cheapflights find flights from St. Louis to Santos Dumont with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from St. Louis to Santos Dumont flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from St. Louis to Santos Dumont become cheaper?

Yes! Start tracking prices for St. Louis to Santos Dumont flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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