Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Riga to Washington, D.C. from $459

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Riga to Washington, D.C. departing on 8/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Riga to Washington, D.C. (RIX-IAD)

Cheap round-trip flights

Logo
8:00 am - 10:10 pmRIX-IAD
21h 10m2 stops
Logo
8:30 pm - 5:35 pmIAD-RIX
14h 05m2 stops
$459
Find Deal
Thu, Aug 28 - Mon, Sep 1
Lufthansa Logo
6:05 am - 3:50 pmRIX-IAD
16h 45m1 stop
Lufthansa Logo
10:15 pm - 11:35 pmIAD-RIX
18h 20m1 stop
$474Lufthansa
Find Deal
Thu, Aug 28 - Mon, Sep 1
United Airlines Logo
6:05 am - 3:50 pmRIX-IAD
16h 45m1 stop
United Airlines Logo
6:20 am - 1:05 pmIAD-RIX
23h 45m2 stops
$478United Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
United Airlines Logo
6:05 am - 1:30 pmRIX-IAD
14h 25m1 stop
United Airlines Logo
6:20 am - 1:05 pmIAD-RIX
23h 45m2 stops
$480United Airlines
Find Deal
Thu, Aug 28 - Mon, Sep 1
Air Canada Logo
6:05 am - 8:29 pmRIX-IAD
21h 24m2 stops
Air Canada Logo
1:20 pm - 1:10 pmIAD-RIX
16h 50m2 stops
$483Air Canada
Find Deal
Thu, Nov 27 - Mon, Dec 1
Air Canada Logo
7:20 am - 4:21 pmRIX-IAD
16h 01m2 stops
Air Canada Logo
9:55 am - 1:10 pmIAD-RIX
20h 15m2 stops
$496Air Canada
Find Deal
Wed, Nov 12 - Mon, Nov 17
British Airways Logo
9:25 am - 7:55 pmRIX-IAD
41h 30m2 stops
British Airways Logo
9:45 pm - 4:45 pmIAD-RIX
12h 00m1 stop
$610British Airways
Find Deal
Wed, Nov 12 - Mon, Nov 17
Finnair Logo
5:55 pm - 3:55 pmRIX-IAD
29h 00m2 stops
Finnair Logo
9:45 pm - 8:55 amIAD-RIX
28h 10m2 stops
$632Finnair
Find Deal
Fri, Sep 5 - Sun, Jan 18
Finnair Logo
10:00 pm - 4:00 pmRIX-IAD
25h 00m2 stops
Finnair Logo
5:50 pm - 9:35 pmIAD-RIX
20h 45m2 stops
$661Finnair
Find Deal
Mon, Sep 1 - Mon, Sep 8
British Airways Logo
9:05 pm - 4:00 pmRIX-IAD
25h 55m1 stop
British Airways Logo
6:20 pm - 4:45 pmIAD-RIX
15h 25m1 stop
$670British Airways
Find Deal
Sun, Sep 7 - Mon, Jan 19

Lufthansa flights from Riga to Washington, D.C. Dulles Intl Airport

Our best Lufthansa deals on Riga to Washington, D.C. Dulles Intl Airport flight tickets
Lufthansa
Aug 28
RIX6:05 amRiga Intl
16h 45m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Sep 1
IAD10:15 pmWashington, D.C. Dulles Intl
18h 20m
1 stop
RIX11:35 pmRiga Intl
$474
Find similar
Lufthansa
Aug 28
RIX6:05 amRiga Intl
14h 25m
1 stop
IAD1:30 pmWashington, D.C. Dulles Intl
Sep 1
IAD10:15 pmWashington, D.C. Dulles Intl
18h 20m
1 stop
RIX11:35 pmRiga Intl
$476
Find similar
Lufthansa
Oct 19
RIX6:15 amRiga Intl
16h 35m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Oct 25
IAD11:00 pmWashington, D.C. Dulles Intl
18h 55m
1 stop
RIX11:55 pmRiga Intl
$493
Find similar

United Airlines flights from Riga to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Riga to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Aug 28
RIX6:05 amRiga Intl
16h 45m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
Sep 1
IAD6:20 amWashington, D.C. Dulles Intl
23h 45m
2 stops
RIX1:05 pmRiga Intl
$478
Find similar
United Airlines
Aug 28
RIX6:05 amRiga Intl
14h 25m
1 stop
IAD1:30 pmWashington, D.C. Dulles Intl
Sep 1
IAD6:20 amWashington, D.C. Dulles Intl
23h 45m
2 stops
RIX1:05 pmRiga Intl
$480
Find similar
United Airlines
Sep 4
RIX6:05 amRiga Intl
14h 25m
1 stop
IAD1:30 pmWashington, D.C. Dulles Intl
Sep 8
IAD8:15 amWashington, D.C. Dulles Intl
21h 50m
2 stops
RIX1:05 pmRiga Intl
$481
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Riga to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 4, 2025.
Use the filters below to find and compare flights from Riga to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RigaWashington, D.C.

RIX - IAD

RIXIAD

Riga Intl

Thu 8/28

8:00 am-10:10 pm

2 stops21h 10m

Washington, D.C. Dulles Intl

Mon 9/1

8:30 pm-5:35 pm

2 stops14h 05m

$459

RigaWashington, D.C.

RIX - IAD

RIXIAD

Riga Intl

Thu 8/28

6:05 am-3:50 pm

1 stop16h 45m

Washington, D.C. Dulles Intl

Mon 9/1

10:15 pm-11:35 pm

1 stop18h 20m

$474

RigaWashington, D.C.

RIX - IAD

RIXIAD

Riga Intl

Thu 8/28

6:05 am-3:50 pm

1 stop16h 45m

Washington, D.C. Dulles Intl

Mon 9/1

6:20 am-1:05 pm

2 stops23h 45m

$478

RigaWashington, D.C.

RIX - IAD

RIXIAD

Riga Intl

Thu 8/28

6:05 am-1:30 pm

1 stop14h 25m

Washington, D.C. Dulles Intl

Mon 9/1

6:20 am-1:05 pm

2 stops23h 45m

$480

RigaWashington, D.C.

RIX - IAD

RIXIAD

Riga Intl

Thu 11/27

6:05 am-8:29 pm

2 stops21h 24m

Washington, D.C. Dulles Intl

Mon 12/1

1:20 pm-1:10 pm

2 stops16h 50m

$483

RigaWashington, D.C.

RIX - IAD

RIXIAD

Riga Intl

Wed 11/12

7:20 am-4:21 pm

2 stops16h 01m

Washington, D.C. Dulles Intl

Mon 11/17

9:55 am-1:10 pm

2 stops20h 15m

$496

RigaWashington, D.C.

RIX - IAD

RIXIAD

Riga Intl

Wed 11/12

9:25 am-7:55 pm

2 stops41h 30m

Washington, D.C. Dulles Intl

Mon 11/17

9:45 pm-4:45 pm

1 stop12h 00m

$610

RigaWashington, D.C.

RIX - IAD

RIXIAD

Riga Intl

Fri 9/5

5:55 pm-3:55 pm

2 stops29h 00m

Washington, D.C. Dulles Intl

Sun 1/18

9:45 pm-8:55 am

2 stops28h 10m

$632

RigaWashington, D.C.

RIX - IAD

RIXIAD

Riga Intl

Mon 9/1

10:00 pm-4:00 pm

2 stops25h 00m

Washington, D.C. Dulles Intl

Mon 9/8

5:50 pm-9:35 pm

2 stops20h 45m

$661

RigaWashington, D.C.

RIX - IAD

RIXIAD

Riga Intl

Sun 9/7

9:05 pm-4:00 pm

1 stop25h 55m

Washington, D.C. Dulles Intl

Mon 1/19

6:20 pm-4:45 pm

1 stop15h 25m

$670

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Riga to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Tuesday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $596. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Riga to Washington, D.C. Dulles Intl Airport for around $1,217.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Riga in the morning is the least expensive time of day to depart. momondo users have found prices as low as $670 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $773 on average. Flights to Washington, D.C. Dulles Intl Airport from Riga in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Riga to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Riga to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Riga to Washington, D.C. Dulles Intl Airport (RIX to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Riga to Washington, D.C. Dulles Intl Airport

Best Price Found

$510

Fastest flight time

12h 35m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Riga in the past 72 hours is $510. The best round-trip flight deal from Riga to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $459.
The fastest flight from Riga to Washington, D.C. Dulles Intl Airport takes 12h 35m
There are no direct flights from Riga to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is Riga Intl Airport - Washington, D.C. Dulles Intl Airport.
Search flight deals

  • How far is Riga Intl to Washington, D.C. Dulles Intl by plane?

    The distance between Riga Intl and Washington, D.C. Dulles Intl is about 4403.2 mi. 12h 35m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Riga Intl Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Riga Intl Airport to Washington, D.C. Dulles Intl Airport are updated daily.

  • How old do you have to be to fly from Riga Intl Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Riga Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Laurel
Silver Spring
Tysons
Waldorf
Fredericksburg
Harpers Ferry
Colonial Beach
Manassas
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from Riga to Washington, D.C.?

It is quick and easy to find Riga to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

Can I find flights from Riga to Washington, D.C. with flexible booking policies on momondo?

Flights from Riga to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Riga to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Riga.

I’m not ready to book a flight from Riga to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Riga to Washington, D.C. flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 8/9
Sat 8/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.