$379 Cheap Flights from Washington (IAD) to Riga (RIX)

View $379 flight on Mon, Dec 1, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Riga International Airport (RIX)

Cheap Flights from Washington to Riga (IAD-RIX)

Prices were available within the past 7 days and start at $379 for one-way flights and $431 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Oct 29 - Wed, Nov 5
IAD
Washington
RIX
Riga
$431 Roundtrip, found 3 days ago
$431
Roundtrip
found 3 days ago
Select British Airways flight, departing Wed, Oct 29 from Washington to Riga, returning Wed, Nov 5, priced at $431 found 3 days ago
British Airways
Mon, Mar 23 - Mon, Mar 30
IAD
Washington
RIX
Riga
$450 Roundtrip, found 1 day ago
$450
Roundtrip
found 1 day ago
Select British Airways flight, departing Mon, Mar 23 from Washington to Riga, returning Mon, Mar 30, priced at $450 found 1 day ago
British Airways
Mon, Mar 23 - Mon, Mar 30
IAD
Washington
RIX
Riga
$458 Roundtrip, found 1 day ago
$458
Roundtrip
found 1 day ago
Select British Airways flight, departing Mon, Mar 23 from Washington to Riga, returning Mon, Mar 30, priced at $458 found 1 day ago
Scandinavian Airlines
Tue, Mar 3 - Sun, Mar 15
IAD
Washington
RIX
Riga
$466 Roundtrip, found 3 days ago
$466
Roundtrip
found 3 days ago
Select Scandinavian Airlines flight, departing Tue, Mar 3 from Washington to Riga, returning Sun, Mar 15, priced at $466 found 3 days ago
American Airlines
Sun, Mar 1 - Sun, Mar 15
IAD
Washington
RIX
Riga
$497 Roundtrip, found 3 days ago
$497
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Mar 1 from Washington to Riga, returning Sun, Mar 15, priced at $497 found 3 days ago
Air France
Thu, Dec 11 - Mon, Dec 15
IAD
Washington
RIX
Riga
$554 Roundtrip, found 6 hours ago
$554
Roundtrip
found 6 hours ago
Select Air France flight, departing Thu, Dec 11 from Washington to Riga, returning Mon, Dec 15, priced at $554 found 6 hours ago
Lufthansa
Mon, Nov 3 - Tue, Nov 18
IAD
Washington
RIX
Riga
$556 Roundtrip, found 4 days ago
$556
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Mon, Nov 3 from Washington to Riga, returning Tue, Nov 18, priced at $556 found 4 days ago
Air Canada
Wed, Oct 15 - Sat, Nov 8
IAD
Washington
RIX
Riga
$556 Roundtrip, found 3 days ago
$556
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Oct 15 from Washington to Riga, returning Sat, Nov 8, priced at $556 found 3 days ago
United
Mon, Nov 3 - Tue, Nov 11
IAD
Washington
RIX
Riga
$557 Roundtrip, found 9 hours ago
$557
Roundtrip
found 9 hours ago
Select United flight, departing Mon, Nov 3 from Washington to Riga, returning Tue, Nov 11, priced at $557 found 9 hours ago
KLM
Thu, Dec 11 - Mon, Dec 15
IAD
Washington
RIX
Riga
$566 Roundtrip, found 6 hours ago
$566
Roundtrip
found 6 hours ago
Select KLM flight, departing Thu, Dec 11 from Washington to Riga, returning Mon, Dec 15, priced at $566 found 6 hours ago

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Riga Intl. Airport (RIX) cost?
Get a cheap one-way flight from $379 or cheap return flight from $431 from Washington Dulles Intl. Airport (IAD) to Riga Intl. Airport (RIX) 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 Washington Dulles Intl. Airport (IAD) to Riga Intl. Airport (RIX)?
October is the least expensive month to fly from IAD to RIX. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Washington Dulles Intl. Airport (IAD) to Riga Intl. Airport (RIX)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from IAD to RIX. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Riga Intl. Airport (RIX)?
You'll have to catch a flight with a layover when traveling from Washington Dulles Intl. Airport (IAD) to Riga Intl. Airport (RIX). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from IAD to RIX?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Washington Dulles Intl. Airport (IAD) to Riga Intl. Airport (RIX)?
To land at Riga Intl. Airport (RIX) without delays, opt for a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Riga Intl. Airport (RIX) last-minute?
Last-minute bookings from IAD to RIX are usually more expensive. To secure the lowest rates, start searching for flights as soon as possible. That being said, if you're flexible with your travel dates, you may score a cheap fare just before your departure.
Is it cheaper to book an IAD to RIX flight and hotel package?
Opting for an IAD to RIX flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Select from our wide range of accommodations and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Riga Intl. Airport (RIX)?
In most instances, you can reschedule or cancel your IAD to RIX flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you'd like further details, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Riga Intl.
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Emirates, Finnair, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$431
Distance
4402 mi

Book with confidence

Book with confidence

Washington to Riga Flights

The cheapest times to fly from Washington to Riga

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

 

The best time to book a flight from Washington to Riga

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

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 Riga in 2025. You can also book with separate airlines for your outbound and return journeys, from $379 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 Riga 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 Riga 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 Riga Flights
*Available to One Key members.