$2,699 Cheap Flights from Washington (IAD) to Rio Grande (RGA)

View $2,699 flight on Wed, Dec 24, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Rio Grande (RGA-Hermes Quijada Intl.)

Cheap Flights from Washington to Rio Grande (IAD-RGA)

Prices were available within the past 7 days and start at $2,699 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 Washington Dulles Intl. Airport (IAD) to Hermes Quijada Intl. Airport (RGA) cost?
Grab a cheap one-way flight from $2,699 or cheap return flight from Washington Dulles Intl. Airport (IAD) to Hermes Quijada Intl. Airport (RGA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Hermes Quijada Intl. Airport (RGA)?
The cheapest month to fly from IAD to RGA is , when demand is low. Off-peak season is usually when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Hermes Quijada Intl. Airport (RGA)?
To find the cheapest airline flying from IAD to RGA, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Hermes Quijada Intl. Airport (RGA)?
There aren't any daily direct flights from Washington Dulles Intl. Airport (IAD) to Hermes Quijada Intl. Airport (RGA). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from IAD to RGA?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Hermes Quijada Intl. Airport (RGA)?
Opt for a flight from Washington Dulles Intl. Airport (IAD) to Hermes Quijada Intl. Airport (RGA) that takes off before 3 PM to reduce the risk of cancellations. Departures after this time are on average 22% more likely to be 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 Washington Dulles Intl. Airport (IAD) to Hermes Quijada Intl. Airport (RGA) last-minute?
Last-minute bookings from IAD to RGA are typically more expensive. To lock in the best prices, start looking for flights well in advance. That being said, if your travel plans are flexible, you may score a cheap ticket just before your departure.
Is it cheaper to book an IAD to RGA flight and hotel package?
You'll typically save money by securing an IAD to RGA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your ideal accommodations and flights, consider other add-ons like activities, car rentals and tours.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Hermes Quijada Intl. Airport (RGA)?
Typically, you can reschedule or cancel your IAD to RGA flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like more information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Hermes Quijada Intl.
Distance
6433 mi

Book with confidence

Book with confidence

Washington to Rio Grande Flights

The cheapest times to fly from Washington to Rio Grande

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 Washington to Rio Grande are during the month of . You can find some of the cheapest flights from Washington to Rio Grande with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Rio Grande

Sunday is one of the best days to book for cheap flights from Washington to Rio Grande: 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 Washington to Rio Grande

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 Washington to Rio Grande in 2025. You can also book with separate airlines for your outbound and return journeys, from $2,699 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 Washington to Rio Grande 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 Washington to Rio Grande 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.

 

Washington to Rio Grande Flights
*Available to One Key members.