St Louis to Rio de Janeiro flights

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Fare seen

€669Seen on 21 Sep 2026

Last checked

11 Oct 2026

Observed fares. Prices may change.

Your next trip, last seen at €456

Lowest observed

27 Oct 2026

One way

Cheapest observed day · Last checked: 21 Sep 2026

When to fly

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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

Prices are for observed departure and return date pairs. No data does not mean no flights.

Airlines seen: American Airlines, Delta Air Lines, United Airlines
Typical journey time: 12h 40m

Short answer

We have seen American Airlines fares from St Louis to Rio de Janeiro. These are prices our searches returned on the dates shown, not quotes; run a live search for today's fare. Fare seen: €669 on 21 Sep 2026.

About this route

Explore the fares we observed from St Louis to Rio de Janeiro. Prices move often, so pick your dates to see the latest options.

Route distance: 8,414 km
Typical journey time: 12h 40m
Airlines seen: American Airlines, Delta Air Lines, United Airlines
Seen on fares with a connection: American Airlines, United Airlines
Alternative airports: SUS, RRJ, SDU

Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.

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Observed, not guaranteed

Every price is a fare we actually saw, and it may change at any time.

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How our prices work

Airport to city: straight-line distance

St. Louis Lambert International Airport (STL) → St Louis, city gazetteer reference point (38.6270, -90.1994): ≈ 20 km.
Santos Dumont Airport (SDU) → Rio de Janeiro, city gazetteer reference point (-22.9068, -43.1729): ≈ 1 km.
Rio de Janeiro Galeão – Tom Jobim International Airport (GIG) → Rio de Janeiro, city gazetteer reference point (-22.9068, -43.1729): ≈ 13 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.