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Cheap flights from Washington, D.C. to Riga from $308

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Riga departing on 10/20. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Riga

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:30 pm - 10:40 pmIAD  Washington, D.C. Dulles Intl-RIX Riga Intl
19h 10m2 stops Kastrup Copenhagen Stockholm Arlanda
Multiple Airlines Logo
1:25 pm - 5:15 pmRIX  Riga Intl-IAD Washington, D.C. Dulles Intl
34h 50m2 stops Stockholm Arlanda Kastrup Copenhagen
$535Multiple Airlines
Wed, Nov 4 - Sun, Nov 8
Multiple Airlines Logo
8:20 pm - 5:35 pmIAD  Washington, D.C. Dulles Intl-RIX Riga Intl
14h 15m2 stops Kastrup Copenhagen Stockholm Arlanda
Multiple Airlines Logo
8:00 am - 5:00 pmRIX  Riga Intl-IAD Washington, D.C. Dulles Intl
16h 00m2 stops Stockholm Arlanda Kastrup Copenhagen
$625Multiple Airlines
Sun, Sep 13 - Thu, Sep 17
Multiple Airlines Logo
8:20 pm - 10:15 pmIAD  Washington, D.C. Dulles Intl-RIX Riga Intl
18h 55m3 stops Kastrup Copenhagen Stockholm Arlanda Helsinki-Vantaa
Multiple Airlines Logo
1:55 pm - 5:00 pmRIX  Riga Intl-IAD Washington, D.C. Dulles Intl
34h 05m3 stops Stockholm Arlanda Helsinki-Vantaa Kastrup Copenhagen
$647Multiple Airlines
Fri, Sep 18 - Wed, Sep 23
Multiple Airlines Logo
8:20 pm - 10:15 pmIAD  Washington, D.C. Dulles Intl-RIX Riga Intl
18h 55m3 stops Kastrup Copenhagen Stockholm Arlanda Helsinki-Vantaa
Multiple Airlines Logo
7:40 pm - 5:00 pmRIX  Riga Intl-IAD Washington, D.C. Dulles Intl
28h 20m2 stops Helsinki-Vantaa Kastrup Copenhagen
$648Multiple Airlines
Fri, Sep 18 - Wed, Sep 23
Scandinavian Airlines Logo
8:20 pm - 1:20 amIAD  Washington, D.C. Dulles Intl-RIX Riga Intl
22h 00m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
11:35 am - 5:00 pmRIX  Riga Intl-IAD Washington, D.C. Dulles Intl
12h 25m1 stop Kastrup Copenhagen
$652Scandinavian Airlines
Thu, Sep 10 - Thu, Sep 24
Scandinavian Airlines Logo
8:20 pm - 1:20 amIAD  Washington, D.C. Dulles Intl-RIX Riga Intl
22h 00m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
11:35 am - 5:00 pmRIX  Riga Intl-IAD Washington, D.C. Dulles Intl
12h 25m1 stop Kastrup Copenhagen
$677Scandinavian Airlines
Thu, Sep 10 - Thu, Sep 24
Scandinavian Airlines Logo
8:20 pm - 12:55 amIAD  Washington, D.C. Dulles Intl-RIX Riga Intl
21h 35m1 stop Kastrup Copenhagen
Scandinavian Airlines Logo
6:30 am - 5:00 pmRIX  Riga Intl-IAD Washington, D.C. Dulles Intl
17h 30m1 stop Kastrup Copenhagen
$688Scandinavian Airlines
Mon, Sep 7 - Sun, Sep 20
United Airlines Logo
5:15 pm - 2:00 pmIAD  Washington, D.C. Dulles Intl-RIX Riga Intl
13h 45m1 stop Frankfurt am Main
United Airlines Logo
6:05 am - 8:05 pmRIX  Riga Intl-IAD Washington, D.C. Dulles Intl
21h 00m1 stop Frankfurt am Main
$763United Airlines
Wed, Nov 11 - Tue, Nov 17
United Airlines Logo
6:00 pm - 2:00 pmIAD  Washington, D.C. Dulles Intl-RIX Riga Intl
13h 00m1 stop Frankfurt am Main
United Airlines Logo
6:05 am - 2:35 pmRIX  Riga Intl-IAD Washington, D.C. Dulles Intl
15h 30m1 stop Frankfurt am Main
$763United Airlines
Tue, Nov 10 - Tue, Nov 17
United Airlines Logo
6:00 pm - 2:00 pmIAD  Washington, D.C. Dulles Intl-RIX Riga Intl
13h 00m1 stop Frankfurt am Main
United Airlines Logo
6:05 am - 8:23 pmRIX  Riga Intl-IAD Washington, D.C. Dulles Intl
21h 18m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl
$766United Airlines
Tue, Nov 17 - Thu, Nov 26

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Finnair flights from Washington, D.C. to Riga

Our best Finnair deals on Washington, D.C. to Riga flight tickets
Finnair
Nov 21
BWI6:55 pmBaltimore/Washington
19h 50m
2 stops
RIX9:45 pmRiga Intl
Nov 25
RIX6:10 pmRiga Intl
29h 55m
2 stops
BWI5:05 pmBaltimore/Washington
$776
Finnair
Nov 11
BWI6:55 pmBaltimore/Washington
30h 40m
2 stops
RIX8:35 amRiga Intl
Nov 15
RIX10:10 pmRiga Intl
25h 55m
2 stops
BWI5:05 pmBaltimore/Washington
$789
Finnair
Oct 8
DCA6:33 pmWashington, D.C. Reagan-National
19h 37m
2 stops
RIX9:10 pmRiga Intl
Oct 11
RIX2:00 pmRiga Intl
16h 59m
2 stops
DCA11:59 pmWashington, D.C. Reagan-National
$906

Turkish Airlines flights from Washington, D.C. to Riga

Our best Turkish Airlines deals on Washington, D.C. to Riga flight tickets
Turkish Airlines
Sep 21
IAD9:40 pmWashington, D.C. Dulles Intl
14h 30m
1 stop
RIX7:10 pmRiga Intl
Oct 6
RIX8:05 pmRiga Intl
30h 40m
1 stop
IAD7:45 pmWashington, D.C. Dulles Intl
$714
Turkish Airlines
Jan 18
IAD1:30 pmWashington, D.C. Dulles Intl
14h 15m
1 stop
RIX10:45 amRiga Intl
Jan 25
RIX7:00 pmRiga Intl
31h 25m
1 stop
IAD7:25 pmWashington, D.C. Dulles Intl
$754

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Riga 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 16, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Riga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Riga

IAD Washington, D.C. Dulles Intl - RIX Riga Intl

IADRIX

Washington, D.C. Dulles Intl

Wed 11/4

8:30 pm-10:40 pm

2 stops19h 10m

Riga Intl

Sun 11/8

1:25 pm-5:15 pm

2 stops34h 50m

$535

Washington, D.C.Riga

IAD Washington, D.C. Dulles Intl - RIX Riga Intl

IADRIX

Washington, D.C. Dulles Intl

Sun 9/13

8:20 pm-5:35 pm

2 stops14h 15m

Riga Intl

Thu 9/17

8:00 am-5:00 pm

2 stops16h 00m

$625

Washington, D.C.Riga

IAD Washington, D.C. Dulles Intl - RIX Riga Intl

IADRIX

Washington, D.C. Dulles Intl

Fri 9/18

8:20 pm-10:15 pm

3 stops18h 55m

Riga Intl

Wed 9/23

1:55 pm-5:00 pm

3 stops34h 05m

$647

Washington, D.C.Riga

IAD Washington, D.C. Dulles Intl - RIX Riga Intl

IADRIX

Washington, D.C. Dulles Intl

Fri 9/18

8:20 pm-10:15 pm

3 stops18h 55m

Riga Intl

Wed 9/23

7:40 pm-5:00 pm

2 stops28h 20m

$648

Washington, D.C.Riga

IAD Washington, D.C. Dulles Intl - RIX Riga Intl

IADRIX

Washington, D.C. Dulles Intl

Thu 9/10

8:20 pm-1:20 am

1 stop22h 00m

Riga Intl

Thu 9/24

11:35 am-5:00 pm

1 stop12h 25m

$652

Washington, D.C.Riga

IAD Washington, D.C. Dulles Intl - RIX Riga Intl

IADRIX

Washington, D.C. Dulles Intl

Thu 9/10

8:20 pm-1:20 am

1 stop22h 00m

Riga Intl

Thu 9/24

11:35 am-5:00 pm

1 stop12h 25m

$677

Washington, D.C.Riga

IAD Washington, D.C. Dulles Intl - RIX Riga Intl

IADRIX

Washington, D.C. Dulles Intl

Mon 9/7

8:20 pm-12:55 am

1 stop21h 35m

Riga Intl

Sun 9/20

6:30 am-5:00 pm

1 stop17h 30m

$688

Washington, D.C.Riga

IAD Washington, D.C. Dulles Intl - RIX Riga Intl

IADRIX

Washington, D.C. Dulles Intl

Wed 11/11

5:15 pm-2:00 pm

1 stop13h 45m

Riga Intl

Tue 11/17

6:05 am-8:05 pm

1 stop21h 00m

$763
Quickest round-trip

Washington, D.C.Riga

IAD Washington, D.C. Dulles Intl - RIX Riga Intl

IADRIX

Washington, D.C. Dulles Intl

Tue 11/10

6:00 pm-2:00 pm

1 stop13h 00m

Riga Intl

Tue 11/17

6:05 am-2:35 pm

1 stop15h 30m

$763

Washington, D.C.Riga

IAD Washington, D.C. Dulles Intl - RIX Riga Intl

IADRIX

Washington, D.C. Dulles Intl

Tue 11/17

6:00 pm-2:00 pm

1 stop13h 00m

Riga Intl

Thu 11/26

6:05 am-8:23 pm

2 stops21h 18m

$766

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Riga from

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

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 typical price of a round-trip flight between Washington, D.C. and Riga?

Prices are currently low for flights on this route.

Typical prices usually range from $686 to $766.
The lowest price recently found on this route was $535.

What is the cheapest month to fly to Riga?

In general, February is the cheapest month to fly from Washington, D.C. to Riga. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Riga during the month of February, then departing from Washington, D.C. during the month April is also very affordable. Most momondo users find prices during this month for around $523.

Can stopping save me money on Washington, D.C. to Riga flights?

You could potentially save up to 15% on your flight if you consider stops on a Washington, D.C. to Riga flight.

When to book flights from Washington, D.C. to Riga

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

Cheap Washington, D.C. to Riga (WAS to RIX) flight deals and tips

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

Fastest flight time

11h 50m

Direct flights

None
The fastest flight from Washington, D.C. to Riga takes 11h 50m
There are no direct flights from Washington, D.C. to Riga. There are no popular flight routes from Washington, D.C. to Riga.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Riga

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

    The distance between Washington, D.C. and Riga Intl is about 4392.3 mi. A reasonable flight in good conditions will take 11h 50m.

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

    Prices for flights from Washington, D.C. to Riga Intl Airport were last updated today.

  • How many operators does momondo search for flights from Washington, D.C. to Riga Intl Airport?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. to Riga Intl Airport.

  • What documentation or ID do you need to fly to Riga Intl Airport?

    The necessary travel and health documents for your Riga Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. to Riga?

Best airlines flying from Washington, D.C. to Riga

Compare and see reviews for airlines that fly from Washington, D.C. to Riga with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $463Free CancellationRating
7.4
1,952 reviews
Search Scandinavian Airlines flights
United AirlinesPriceFrom $576Free CancellationRating
7.4
10,105 reviews
Search United Airlines flights

Traveling to a place near Riga?

Book flights to Riga if you plan to visit one of these locations
Jūrmala

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Riga from Washington, D.C..

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

Yes. All flights to Riga from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Washington, D.C. to Riga flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Riga from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Fly your favorite airline to Riga

Airlines are sorted and displayed according to clicks in the past 7 days on momondo
Scandinavian Airlines
United Airlines