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Cheap flights from Dayton to Rio de Janeiro from $725

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dayton to Rio de Janeiro departing on 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Dayton to Rio de Janeiro

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:57 pm - 5:45 pm
DAY
-
SDU
24h 48m2 stops
United Airlines Logo
1:45 pm - 2:22 pm
SDU
-
DAY
25h 37m2 stops
$1,387United Airlines
Sat, Mar 7 - Wed, Mar 11
United Airlines Logo
9:45 am - 5:45 pm
DAY
-
SDU
30h 00m2 stops
United Airlines Logo
1:45 pm - 2:22 pm
SDU
-
DAY
25h 37m2 stops
$1,433United Airlines
Sat, Mar 7 - Wed, Mar 11

United Airlines flights from Dayton to Rio de Janeiro Santos Dumont Airport

Our best United Airlines deals on Dayton to Rio de Janeiro Santos Dumont Airport flight tickets
United Airlines
Mar 7
DAY2:57 pmDayton
24h 48m
2 stops
SDU5:45 pmRio de Janeiro Santos Dumont
Mar 11
SDU1:45 pmRio de Janeiro Santos Dumont
25h 37m
2 stops
DAY2:22 pmDayton
$1,387
Find similar
United Airlines
Mar 7
DAY9:45 amDayton
30h 00m
2 stops
SDU5:45 pmRio de Janeiro Santos Dumont
Mar 11
SDU1:45 pmRio de Janeiro Santos Dumont
25h 37m
2 stops
DAY2:22 pmDayton
$1,433
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Dayton to Rio de Janeiro Santos Dumont Airport 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, momondo users made 832,500 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Dayton to Rio de Janeiro Santos Dumont Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DaytonRio de Janeiro

DAY - SDU

DAYSDU

Dayton

Sat 3/7

2:57 pm-5:45 pm

2 stops24h 48m

Rio de Janeiro Santos Dumont

Wed 3/11

1:45 pm-2:22 pm

2 stops25h 37m

$1,387

DaytonRio de Janeiro

DAY - SDU

DAYSDU

Dayton

Sat 3/7

9:45 am-5:45 pm

2 stops30h 00m

Rio de Janeiro Santos Dumont

Wed 3/11

1:45 pm-2:22 pm

2 stops25h 37m

$1,433

DaytonRio de Janeiro

DAY - SDU

DAYSDU

Dayton

Thu 1/15

10:24 am-2:30 pm

2 stops26h 06m

$725

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Rio de Janeiro from

How to get the cheapest flight ticket from Dayton to Rio de Janeiro Santos Dumont Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Dayton to Rio de Janeiro Santos Dumont?

United Airlines is the most popular carrier operating from Dayton to Rio de Janeiro Santos Dumont

When to book flights from Dayton to Rio de Janeiro Santos Dumont Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Dayton to Rio de Janeiro Santos Dumont Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Dayton to Rio de Janeiro Santos Dumont Airport (DAY to SDU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dayton to Rio de Janeiro Santos Dumont Airport

Fastest flight time

30h 00m

Direct flights

None
The fastest flight from Dayton to Rio de Janeiro Santos Dumont Airport takes 30h 00m
There are no direct flights from Dayton to Rio de Janeiro Santos Dumont Airport. There are no popular flight routes from Dayton to Rio de Janeiro Santos Dumont Airport.
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  • How far is Dayton to Rio de Janeiro Santos Dumont by plane?

    A flight from Dayton to Rio de Janeiro Santos Dumont will travel around 5069.9 mi. Flights usually cover this in 30h 00m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Dayton Airport to Rio de Janeiro Santos Dumont Airport?

    Prices for flights from Dayton Airport to Rio de Janeiro Santos Dumont Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Dayton Airport to Rio de Janeiro Santos Dumont Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dayton Airport to Rio de Janeiro Santos Dumont Airport.

  • What documentation or ID do you need to fly to Rio de Janeiro Santos Dumont Airport?

    The necessary travel and health documents for your Rio de Janeiro Santos Dumont Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Dayton to Rio de Janeiro?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Dayton to Rio de Janeiro. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Dayton to Rio de Janeiro with flexible booking policies on momondo?

Flights from Dayton to Rio de Janeiro with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Dayton to Rio de Janeiro?

momondo helps you find the best flight between Dayton and Rio de Janeiro by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Dayton to Rio de Janeiro right now. Can momondo alert me if prices change?

Price alerts on flights to Rio de Janeiro from Dayton are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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