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Cheap flights from St. Louis (STL) to Santos Dumont (SDU) from $442

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 8/12. 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 19 — May 261
From?
To?
Sun 5/19
Sun 5/26
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 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 2,632,958 searches. Data last updated May 14, 2024.
Peruse some of the lowest-priced LATAM Airlines flights we've found from St. Louis to Rio de Janeiro. Make sure to check back often as deals are often changing.
Sun 8/410:08 amSTL - SDU
2 stops33h 22mLATAM Airlines
Sun 8/186:05 amSDU - STL
2 stops37h 59mLATAM Airlines
Deal found 5/13$1,177
Sun 6/301:06 pmSTL - SDU
2 stops30h 24mLATAM Airlines
Sat 7/206:05 amSDU - STL
2 stops28h 57mLATAM Airlines
Deal found 5/13$1,191
Sun 8/412:43 pmSTL - SDU
2 stops20h 17mLATAM Airlines
Mon 8/58:45 pmSDU - STL
2 stops28h 54mLATAM Airlines
Deal found 5/13$1,513

Cheap Air Canada flights from St. Louis to Santos Dumont

Explore cheap flight options specifically provided by Air Canada 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 2,632,958 searches. Data last updated May 14, 2024.
Browse through some of the cheapest Air Canada flights traveling from St. Louis to Rio de Janeiro. Deals frequently update to provide users with more options.
Wed 6/129:50 amSTL - SDU
2 stops32h 45mAir Canada
Wed 6/197:40 amSDU - STL
2 stops38h 21mAir Canada
Deal found 5/13$1,092
Thu 7/254:05 pmSTL - SDU
2 stops26h 30mAir Canada
Fri 12/205:45 pmSDU - STL
2 stops24h 38mAir Canada
Deal found 5/13$1,722
Thu 7/254:05 pmSTL - SDU
2 stops26h 30mAir Canada
Fri 12/205:45 pmSDU - STL
2 stops19h 08mAir Canada
Deal found 5/14$1,868
Wed 7/104:05 pmSTL - SDU
2 stops26h 30mAir Canada
Fri 7/197:40 amSDU - STL
2 stops33h 41mAir Canada
Deal found 5/13$4,506

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 2,632,958 searches. Prices were last updated on May 14, 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 stops32h 45mAir Canada
Wed 6/197:40 amSDU - STL
2 stops38h 21mAir Canada
Deal found 5/13$1,092
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 5/13$1,191
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
Wed 6/1211:00 amSTL - SDU
3 stops29h 25mMultiple Airlines
Wed 6/195:45 pmSDU - STL
2 stops23h 36mMultiple Airlines
Deal found 5/13$1,497
Wed 6/1211:00 amSTL - SDU
3 stops29h 25mMultiple Airlines
Wed 6/195:45 pmSDU - STL
3 stops23h 36mMultiple Airlines
Deal found 5/13$1,500
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 2,632,958 searches. Data last updated May 14, 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
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 8/175:05 pmSTL - SDU
2 stops37h 50mDelta
Wed 8/216:05 amSDU - STL
2 stops19h 34mDelta
Deal found 5/12$1,030
Sun 8/46:19 pmSTL - SDU
2 stops26h 06mMultiple Airlines
Sun 8/189:45 pmSDU - STL
3 stops26h 29mMultiple Airlines
Deal found 5/13$1,083
Wed 6/129:50 amSTL - SDU
2 stops32h 45mAir Canada
Wed 6/197:40 amSDU - STL
2 stops38h 21mAir Canada
Deal found 5/13$1,092
Sun 8/47:24 pmSTL - SDU
3 stops25h 01mMultiple Airlines
Sun 8/189:45 pmSDU - STL
3 stops26h 29mMultiple Airlines
Deal found 5/13$1,170

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 2,632,958 searches. Data last updated May 14, 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.
Mon 8/129:20 pmSTL - SDU
3 stops37h 50mMultiple Airlines
Deal found 5/13$442
Sat 7/611:34 amSTL - SDU
2 stops20h 01mMultiple Airlines
Deal found 5/13$462
Fri 9/66:42 pmSTL - SDU
3 stops41h 13mMultiple Airlines
Deal found 5/13$469
Wed 6/128:16 amSTL - SDU
3 stops22h 19mMultiple Airlines
Deal found 5/13$470
Sat 7/611:34 amSTL - SDU
3 stops22h 31mMultiple Airlines
Deal found 5/13$485
Fri 8/164:31 pmSTL - SDU
3 stops42h 44mMultiple Airlines
Deal found 5/13$486
Fri 8/164:31 pmSTL - SDU
2 stops39h 04mMultiple Airlines
Deal found 5/13$509
Wed 7/109:20 pmSTL - SDU
3 stops38h 55mMultiple Airlines
Deal found 5/13$545
Fri 9/66:42 pmSTL - SDU
2 stops38h 03mMultiple Airlines
Deal found 5/13$560

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 2,632,958 searches. Data last updated May 14, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,030 - $1,843

Route

Depart

Return

Price

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Sat 8/17

2 stops37h 50m

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

Sun 8/4

2 stops26h 06m

Rio de Janeiro Santos Dumont

Sun 8/18

3 stops26h 29m

$1,083

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Wed 6/12

2 stops32h 45m

Rio de Janeiro Santos Dumont

Wed 6/19

2 stops38h 21m

$1,092

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Sun 8/4

3 stops25h 01m

Rio de Janeiro Santos Dumont

Sun 8/18

3 stops26h 29m

$1,170

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Sun 8/4

2 stops33h 22m

Rio de Janeiro Santos Dumont

Sun 8/18

2 stops37h 59m

$1,177

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Sun 6/30

2 stops30h 24m

Rio de Janeiro Santos Dumont

Sat 7/20

2 stops28h 57m

$1,191

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Wed 7/24

2 stops25h 05m

Rio de Janeiro Santos Dumont

Sat 7/27

2 stops22h 33m

$1,295

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Wed 7/24

2 stops30h 35m

Rio de Janeiro Santos Dumont

Sat 7/27

3 stops37h 19m

$1,366

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Sun 6/30

2 stops25h 55m

Rio de Janeiro Santos Dumont

Sat 7/20

2 stops31h 17m

$1,843

Flights are sorted by cheapest first

Deals found on 5/12

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 14, 2024.
Get a feel of what it's like to fly with LATAM Airlines and Air Canada 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
10,706 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

8.0

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
10,706 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

8.0

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
2,415 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

8.0

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
10,706 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

8.0

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
6,936 reviews
Delta
8.0
Very good
10,706 reviews
Check prices

Crew

8.6

Food

7.4

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

8.0

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 $1,100 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Rio de Janeiro Santos Dumont Airport for under $1,100. The cheapest flight booked recently is on Delta for just $1,030, but on average you can expect to pay $1,576.

  • 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.
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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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