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Cheap flights from St. Louis (STL) to Santos Dumont (SDU) from $405

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 8/1. 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 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
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 Delta flights from St. Louis to Santos Dumont

Explore cheap flight options specifically provided by Delta 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 2,752,338 searches. Data last updated May 8, 2024.
Peruse some of the lowest-priced Delta flights we've found from St. Louis to Rio de Janeiro. Make sure to check back often as deals are often changing.
Sat 8/1711:51 amSTL - SDU
2 stops19h 09mDelta
Wed 8/216:05 amSDU - STL
2 stops19h 34mDelta
Deal found 5/7$1,031
Sat 8/172:05 pmSTL - SDU
2 stops20h 30mDelta
Wed 8/216:05 amSDU - STL
2 stops19h 34mDelta
Deal found 5/6$1,101
Thu 7/2510:11 amSTL - SDU
2 stops20h 44mDelta
Fri 12/206:00 amSDU - STL
2 stops17h 39mDelta
Deal found 5/8$1,481

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 2,752,338 searches. Data last updated May 8, 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.
Tue 10/14:05 pmSTL - SDU
2 stops26h 30mAir Canada
Fri 10/257:40 amSDU - STL
2 stops33h 40mAir Canada
Deal found 5/7$1,093
Tue 10/112:00 pmSTL - SDU
2 stops30h 35mAir Canada
Wed 10/237:50 amSDU - STL
2 stops39h 15mAir Canada
Deal found 5/7$1,113
Mon 9/3010:10 amSTL - SDU
2 stops32h 25mAir Canada
Sun 10/278:40 amSDU - STL
2 stops27h 13mAir Canada
Deal found 5/7$1,125
Fri 10/412:00 pmSTL - SDU
2 stops30h 35mAir Canada
Sat 10/269:10 amSDU - STL
2 stops32h 13mAir Canada
Deal found 5/7$1,235
Sat 9/2810:10 amSTL - SDU
2 stops32h 25mAir Canada
Sat 10/269:10 amSDU - STL
2 stops32h 13mAir Canada
Deal found 5/7$1,241
Sun 9/2910:10 amSTL - SDU
2 stops32h 25mAir Canada
Mon 10/287:50 amSDU - STL
2 stops28h 03mAir Canada
Deal found 5/7$1,248
Sun 9/2910:10 amSTL - SDU
2 stops32h 25mAir Canada
Sat 10/269:10 amSDU - STL
2 stops32h 13mAir Canada
Deal found 5/7$1,364

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 2,752,338 searches. Prices were last updated on May 8, 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.
Wed 5/293:27 pmSTL - SDU
2 stops26h 08mLATAM Airlines
Wed 6/59:35 amSDU - STL
2 stops28h 13mLATAM Airlines
Deal found 5/7$1,111
Sun 6/3010:15 amSTL - SDU
2 stops33h 15mLATAM Airlines
Sat 7/206:05 amSDU - STL
2 stops31h 41mLATAM Airlines
Deal found 5/7$1,173

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 2,752,338 searches. Data last updated May 8, 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 8/1711:51 amSTL - SDU
2 stops19h 09mDelta
Wed 8/216:05 amSDU - STL
2 stops19h 34mDelta
Deal found 5/7$1,031
Tue 10/14:05 pmSTL - SDU
2 stops26h 30mAir Canada
Fri 10/257:40 amSDU - STL
2 stops33h 40mAir Canada
Deal found 5/7$1,093
Sun 11/172:05 pmSTL - SDU
2 stops28h 30mLATAM Airlines
Tue 11/266:00 amSDU - STL
2 stops29h 51mLATAM Airlines
Deal found 5/7$1,094
Sat 8/172:05 pmSTL - SDU
2 stops20h 30mDelta
Wed 8/216:05 amSDU - STL
2 stops19h 34mDelta
Deal found 5/6$1,101
Wed 5/293:27 pmSTL - SDU
2 stops26h 08mLATAM Airlines
Wed 6/59:35 amSDU - STL
2 stops28h 13mLATAM Airlines
Deal found 5/7$1,111
Tue 10/112:00 pmSTL - SDU
2 stops30h 35mAir Canada
Wed 10/237:50 amSDU - STL
2 stops39h 15mAir Canada
Deal found 5/7$1,113
Sun 11/176:00 amSTL - SDU
3 stops23h 40mLATAM Airlines
Tue 11/261:00 pmSDU - STL
3 stops22h 51mLATAM Airlines
Deal found 5/7$1,118
Fri 10/412:00 pmSTL - SDU
2 stops30h 35mMultiple Airlines
Wed 10/237:50 amSDU - STL
2 stops33h 30mMultiple Airlines
Deal found 5/7$1,119
Mon 9/3010:10 amSTL - SDU
2 stops32h 25mAir Canada
Sun 10/278:40 amSDU - STL
2 stops27h 13mAir Canada
Deal found 5/7$1,125

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 2,752,338 searches. Data last updated May 8, 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 8/16:29 pmSTL - SDU
2 stops45h 56mMultiple Airlines
Deal found 5/8$405
Thu 8/16:29 pmSTL - SDU
3 stops40h 21mMultiple Airlines
Deal found 5/8$417
Thu 6/278:12 pmSTL - SDU
3 stops32h 53mMultiple Airlines
Deal found 5/7$488
Sun 8/46:42 pmSTL - SDU
3 stops47h 53mMultiple Airlines
Deal found 5/8$492
Thu 6/276:22 pmSTL - SDU
2 stops34h 43mMultiple Airlines
Deal found 5/7$502
Sun 8/46:42 pmSTL - SDU
2 stops38h 33mMultiple Airlines
Deal found 5/8$527
Sun 8/412:00 pmSTL - SDU
2 stops30h 35mAir Canada
Deal found 5/8$756

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 2,752,338 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$1,031 - $1,375

Route

Depart

Return

Price

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Sat 8/17

2 stops19h 09m

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

Tue 10/1

2 stops26h 30m

Rio de Janeiro Santos Dumont

Fri 10/25

2 stops33h 40m

$1,093

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Sat 8/17

2 stops20h 30m

Rio de Janeiro Santos Dumont

Wed 8/21

2 stops19h 34m

$1,101

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Mon 8/19

2 stops26h 25m

Rio de Janeiro Santos Dumont

Sun 8/25

2 stops28h 34m

$1,103

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Wed 5/29

2 stops26h 08m

Rio de Janeiro Santos Dumont

Wed 6/5

2 stops28h 13m

$1,111

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Tue 10/1

2 stops30h 35m

Rio de Janeiro Santos Dumont

Wed 10/23

2 stops39h 15m

$1,113

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Fri 10/4

2 stops30h 35m

Rio de Janeiro Santos Dumont

Wed 10/23

2 stops33h 30m

$1,119

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Sun 8/4

2 stops25h 56m

Rio de Janeiro Santos Dumont

Sat 8/17

3 stops35h 19m

$1,184

Lambert-St LouisRio de Janeiro Santos Dumont

STL - SDU

STLSDU

Lambert-St Louis

Sun 6/30

2 stops31h 20m

Rio de Janeiro Santos Dumont

Sat 7/20

2 stops28h 56m

$1,375

Flights are sorted by cheapest first

Deals found on 5/7

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 8, 2024.
Get a feel of what it's like to fly with Delta, Air Canada and LATAM 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
8.1
Very good
10,789 reviews
Check prices

Crew

8.6

Food

7.4

Entertainment

8.0

Overall

8.1

Boarding

8.2

Comfort

7.9

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
8.1
Very good
10,789 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Crew

8.6

Food

7.4

Entertainment

8.0

Overall

8.1

Boarding

8.2

Comfort

7.9

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
2,444 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Crew

8.6

Food

7.4

Entertainment

8.0

Overall

8.1

Boarding

8.2

Comfort

7.9

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
1,319 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Crew

8.6

Food

7.4

Entertainment

8.0

Overall

8.1

Boarding

8.2

Comfort

7.9

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
6,918 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Crew

8.6

Food

7.4

Entertainment

8.0

Overall

8.1

Boarding

8.2

Comfort

7.9

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 $1,031, but on average you can expect to pay $1,223.

  • 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 5/7.

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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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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