$452 Cheap Flights from Riga (RIX) to Washington (IAD)

View $452 flight on Fri, Sep 19, 2025Opens in a new window

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

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Cheap Flights from Riga to Washington (RIX-IAD)

Prices were available within the past 7 days and start at $452 for one-way flights and $476 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Lufthansa
Tue, Jul 22 - Sun, Aug 17
RIX
Riga
IAD
Washington
$476 Roundtrip, found 1 day ago
$476
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Jul 22 from Riga to Washington, returning Sun, Aug 17, priced at $476 found 1 day ago
Lufthansa
Fri, Aug 29 - Mon, Sep 8
RIX
Riga
IAD
Washington
$479 Roundtrip, found 6 days ago
$479
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Aug 29 from Riga to Washington, returning Mon, Sep 8, priced at $479 found 6 days ago
Lufthansa
Tue, Jul 22 - Sun, Aug 17
RIX
Riga
IAD
Washington
$494 Roundtrip, found 1 day ago
$494
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Tue, Jul 22 from Riga to Washington, returning Sun, Aug 17, priced at $494 found 1 day ago
United
Sat, Nov 22 - Sun, Dec 7
RIX
Riga
IAD
Washington
$495 Roundtrip, found 6 days ago
$495
Roundtrip
found 6 days ago
Select United flight, departing Sat, Nov 22 from Riga to Washington, returning Sun, Dec 7, priced at $495 found 6 days ago
Air Canada
Wed, Nov 26 - Wed, Dec 3
RIX
Riga
IAD
Washington
$496 Roundtrip, found 17 hours ago
$496
Roundtrip
found 17 hours ago
Select Air Canada flight, departing Wed, Nov 26 from Riga to Washington, returning Wed, Dec 3, priced at $496 found 17 hours ago
United
Wed, Oct 8 - Mon, Oct 27
RIX
Riga
IAD
Washington
$518 Roundtrip, found 6 days ago
$518
Roundtrip
found 6 days ago
Select United flight, departing Wed, Oct 8 from Riga to Washington, returning Mon, Oct 27, priced at $518 found 6 days ago
KLM
Wed, Nov 26 - Wed, Dec 3
RIX
Riga
IAD
Washington
$642 Roundtrip, found 17 hours ago
$642
Roundtrip
found 17 hours ago
Select KLM flight, departing Wed, Nov 26 from Riga to Washington, returning Wed, Dec 3, priced at $642 found 17 hours ago
Air France
Wed, Nov 26 - Wed, Dec 3
RIX
Riga
IAD
Washington
$642 Roundtrip, found 17 hours ago
$642
Roundtrip
found 17 hours ago
Select Air France flight, departing Wed, Nov 26 from Riga to Washington, returning Wed, Dec 3, priced at $642 found 17 hours ago
Swiss International Air Lines
Thu, Sep 25 - Thu, Oct 2
RIX
Riga
IAD
Washington
$654 Roundtrip, found 1 day ago
$654
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Thu, Sep 25 from Riga to Washington, returning Thu, Oct 2, priced at $654 found 1 day ago
TAP Portugal
Thu, Aug 21 - Wed, Aug 27
RIX
Riga
IAD
Washington
$655 Roundtrip, found 18 hours ago
$655
Roundtrip
found 18 hours ago
Select TAP Portugal flight, departing Thu, Aug 21 from Riga to Washington, returning Wed, Aug 27, priced at $655 found 18 hours ago
Flights from Riga (RIX) to Washington (IAD)
Origin airport
Riga Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, ITA Airways, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$476
Distance
4402 mi

Riga to Washington Flights

The cheapest times to fly from Riga to Washington

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

 

The best time to book a flight from Riga to Washington

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

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 Riga to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $452 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 Riga to Washington 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 Riga to Washington 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.

 

Frequently asked questions

How much does a flight from Riga Intl. Airport (RIX) to Washington Dulles Intl. Airport (IAD) cost?
Discover the latest flight deals from RIX to IAD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from RIX to IAD?
The cheapest flights from RIX to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from RIX to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from RIX to IAD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Riga Intl. Airport (RIX) to Washington Dulles Intl. Airport (IAD)?
There are no daily nonstop flights from Riga Intl. Airport (RIX) to Washington Dulles Intl. Airport (IAD). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from RIX to IAD?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* However, this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Riga Intl. Airport (RIX) to Washington Dulles Intl. Airport (IAD)?
To arrive at Washington Dulles Intl. Airport (IAD) on schedule, pick a flight that takes off from Riga Intl. Airport (RIX) before 3 PM. The likelihood 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 Riga Intl. Airport (RIX) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your flight from RIX to IAD just before your trip is typically more expensive. However, if you're flexible with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a RIX to IAD flight and hotel package?
Compared with arranging flights and hotels separately, booking a RIX to IAD flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one easy place will take the stress out of planning your trip. Just pick your flights and choose from our wide range of stays, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Riga Intl. Airport (RIX) to Washington Dulles Intl. Airport (IAD)?
If you booked your RIX to IAD flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you'd like more information.

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*Available to One Key members.