$673 Cheap Flights from Rio de Janeiro (SDU) to Moline (MLI)

View $673 flight on Thu, Mar 26, 2026Opens in a new window

Popular airlines from Rio de Janeiro (SDU-Santos Dumont) to Quad City Intl. Airport (MLI)

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Cheap Flights from Rio de Janeiro to Moline (SDU-MLI)

Prices were available within the past 7 days and start at $673 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Santos Dumont Airport (SDU) to Quad City Intl. Airport (MLI) cost?
Get a cheap one-way flight from $673 or cheap return flight from Santos Dumont Airport (SDU) to Quad City Intl. Airport (MLI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Santos Dumont Airport (SDU) to Quad City Intl. Airport (MLI)?
Planning your getaway for is a good way to save, as it's the cheapest month for flights between SDU and MLI. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Santos Dumont Airport (SDU) to Quad City Intl. Airport (MLI)?
To find the cheapest airline that'll fly you from SDU to MLI, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Santos Dumont Airport (SDU) to Quad City Intl. Airport (MLI)?
Direct flights from Santos Dumont Airport (SDU) to Quad City Intl. Airport (MLI) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SDU to MLI?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Santos Dumont Airport (SDU) to Quad City Intl. Airport (MLI)?
To avoid potential delays on the Santos Dumont Airport (SDU) to Quad City Intl. Airport (MLI) route, travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Santos Dumont Airport (SDU) to Quad City Intl. Airport (MLI) last-minute?
Holding off until just before your trip to book a ticket from SDU to MLI often results in higher prices. While you may find some last-minute offers, they aren't always guaranteed. Keep your travel schedule open for the best chance of snagging a bargain.
Is it cheaper to book a SDU to MLI flight and hotel package?
Compared with arranging hotels and flights separately, booking a SDU to MLI flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the hassle out of planning your trip. Just pick your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Santos Dumont Airport (SDU) to Quad City Intl. Airport (MLI)?
Usually, it's possible to reschedule or cancel your SDU to MLI flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Santos Dumont
Destination airport
Quad City Intl.
Distance
5380 mi

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Rio de Janeiro to Moline Flights

The cheapest times to fly from Rio de Janeiro to Moline

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Rio de Janeiro to Moline are during the month of . You can find some of the cheapest flights from Rio de Janeiro to Moline with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rio de Janeiro to Moline

Sunday is one of the best days to book for cheap flights from Rio de Janeiro to Moline: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Rio de Janeiro to Moline

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Rio de Janeiro to Moline in 2026. You can also book with separate airlines for your outbound and return journeys, from $673 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Rio de Janeiro to Moline flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Rio de Janeiro to Moline airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Rio de Janeiro to Moline Flights

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*Available to One Key members.