$409 Cheap Flights from Washington (IAD) to Riga (RIX)

View $409 flight on Wed, Nov 5, 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 $409 for one-way flights and $508 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

TAP Portugal
Mon, Sep 1 - Wed, Sep 17
IAD
Washington
RIX
Riga
$508 Roundtrip, found 4 days ago
$508
Roundtrip
found 4 days ago
Select TAP Portugal flight, departing Mon, Sep 1 from Washington to Riga, returning Wed, Sep 17, priced at $508 found 4 days ago
TAP Portugal
Mon, Sep 15 - Mon, Sep 22
IAD
Washington
RIX
Riga
$519 Roundtrip, found 23 hours ago
$519
Roundtrip
found 23 hours ago
Select TAP Portugal flight, departing Mon, Sep 15 from Washington to Riga, returning Mon, Sep 22, priced at $519 found 23 hours ago
TAP Portugal
Mon, Sep 1 - Wed, Sep 17
IAD
Washington
RIX
Riga
$520 Roundtrip, found 4 days ago
$520
Roundtrip
found 4 days ago
Select TAP Portugal flight, departing Mon, Sep 1 from Washington to Riga, returning Wed, Sep 17, priced at $520 found 4 days ago
United
Wed, Oct 22 - Sun, Nov 2
IAD
Washington
RIX
Riga
$555 Roundtrip, found 2 days ago
$555
Roundtrip
found 2 days ago
Select United flight, departing Wed, Oct 22 from Washington to Riga, returning Sun, Nov 2, priced at $555 found 2 days ago
Lufthansa
Sun, Aug 10 - Mon, Aug 25
IAD
Washington
RIX
Riga
$555 Roundtrip, found 3 days ago
$555
Roundtrip
found 3 days ago
Select Lufthansa flight, departing Sun, Aug 10 from Washington to Riga, returning Mon, Aug 25, priced at $555 found 3 days ago
Air Canada
Mon, Jan 12 - Thu, Jan 22
IAD
Washington
RIX
Riga
$556 Roundtrip, found 3 days ago
$556
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Jan 12 from Washington to Riga, returning Thu, Jan 22, priced at $556 found 3 days ago
Scandinavian Airlines
Mon, Oct 6 - Mon, Nov 3
IAD
Washington
RIX
Riga
$558 Roundtrip, found 20 hours ago
$558
Roundtrip
found 20 hours ago
Select Scandinavian Airlines flight, departing Mon, Oct 6 from Washington to Riga, returning Mon, Nov 3, priced at $558 found 20 hours ago
Turkish Airlines
Tue, Oct 21 - Tue, Oct 28
IAD
Washington
RIX
Riga
$581 Roundtrip, found 2 days ago
$581
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Tue, Oct 21 from Washington to Riga, returning Tue, Oct 28, priced at $581 found 2 days ago
Air France
Wed, Apr 1 - Tue, Apr 7
IAD
Washington
RIX
Riga
$582 Roundtrip, found 1 day ago
$582
Roundtrip
found 1 day ago
Select Air France flight, departing Wed, Apr 1 from Washington to Riga, returning Tue, Apr 7, priced at $582 found 1 day ago
British Airways
Mon, Jan 12 - Tue, Jan 20
IAD
Washington
RIX
Riga
$590 Roundtrip, found 3 days ago
$590
Roundtrip
found 3 days ago
Select British Airways flight, departing Mon, Jan 12 from Washington to Riga, returning Tue, Jan 20, priced at $590 found 3 days ago

Alternative airports near Riga

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Riga Intl. RIX. Cheapest and Closest option available. Average driving time to city center is 18 minutes. Flights from $729
RIX
Riga Intl.
CheapestClosest
Average driving time to city center18 min
Flights from $729
Flights from Washington (IAD) to Riga (RIX)
Origin airport
Washington Dulles Intl.
Destination airport
Riga Intl.
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Finnair, ITA Airways, Iberia, Icelandair, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United
Roundtrip price
$508
Distance
4402 mi

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 September. 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 $409 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.

 

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Riga Intl. Airport (RIX) cost?
Discover the latest flight deals from IAD to RIX 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 IAD to RIX?
The cheapest flights from IAD to RIX 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 IAD to RIX?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from IAD to RIX. Sort your results by "Price (lowest to highest)" to snap up 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.

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*Available to One Key members.