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Cheap flights from Portland to Riga from $500

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Riga departing on 1/18. 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

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Find the cheapest flights from Portland to Riga

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:00 am - 1:15 pm
PDX
-
RIX
17h 15m2 stops
Multiple Airlines Logo
7:35 am - 11:25 am
RIX
-
PDX
13h 50m1 stop
$500Multiple Airlines
Sun, Jan 18 - Sun, Jan 25
KLM Logo
1:25 pm - 10:20 pm
PDX
-
RIX
22h 55m1 stop
KLM Logo
7:35 am - 11:25 am
RIX
-
PDX
13h 50m1 stop
$501KLM
Sun, Jan 18 - Sun, Jan 25
KLM Logo
7:00 am - 1:10 pm
PDX
-
RIX
21h 10m2 stops
KLM Logo
7:35 am - 12:25 pm
RIX
-
PDX
13h 50m1 stop
$506KLM
Mon, Mar 9 - Mon, Mar 16
Multiple Airlines Logo
10:00 am - 1:15 pm
PDX
-
RIX
17h 15m2 stops
Multiple Airlines Logo
7:35 am - 8:32 pm
RIX
-
PDX
22h 57m2 stops
$510Multiple Airlines
Sun, Jan 18 - Sun, Jan 25
KLM Logo
7:00 am - 1:10 pm
PDX
-
RIX
21h 10m2 stops
KLM Logo
7:35 am - 10:10 pm
RIX
-
PDX
23h 35m2 stops
$516KLM
Mon, Mar 9 - Mon, Mar 16
Air Canada Logo
9:50 am - 1:55 pm
PDX
-
RIX
18h 05m2 stops
Air Canada Logo
7:05 am - 6:30 pm
RIX
-
PDX
21h 25m2 stops
$546Air Canada
Fri, Feb 6 - Tue, Feb 10
KLM Logo
1:05 pm - 5:15 pm
PDX
-
RIX
18h 10m1 stop
KLM Logo
11:50 am - 11:10 am
RIX
-
PDX
33h 20m1 stop
$550KLM
Thu, Apr 9 - Mon, May 4
United Airlines Logo
11:59 pm - 1:20 pm
PDX
-
RIX
27h 21m2 stops
United Airlines Logo
6:50 am - 12:48 am
RIX
-
PDX
27h 58m2 stops
$559United Airlines
Tue, Apr 7 - Tue, May 5
United Airlines Logo
11:59 pm - 1:20 pm
PDX
-
RIX
27h 21m2 stops
United Airlines Logo
2:00 pm - 6:05 pm
RIX
-
PDX
38h 05m2 stops
$564United Airlines
Tue, Apr 7 - Fri, May 1
United Airlines Logo
11:59 pm - 1:20 pm
PDX
-
RIX
27h 21m2 stops
United Airlines Logo
2:20 pm - 8:47 pm
RIX
-
PDX
40h 27m2 stops
$579United Airlines
Tue, Apr 7 - Mon, May 4

United Airlines flights from Portland to Riga

Our best United Airlines deals on Portland to Riga flight tickets
United Airlines
Apr 7
PDX11:59 pmPortland
27h 21m
2 stops
RIX1:20 pmRiga Intl
Apr 30
RIX7:00 amRiga Intl
25h 08m
2 stops
PDX10:08 pmPortland
$559
Find similar
United Airlines
Apr 7
PDX11:59 pmPortland
27h 21m
2 stops
RIX1:20 pmRiga Intl
May 1
RIX2:00 pmRiga Intl
38h 05m
2 stops
PDX6:05 pmPortland
$564
Find similar
United Airlines
Apr 7
PDX11:59 pmPortland
27h 21m
2 stops
RIX1:20 pmRiga Intl
May 4
RIX2:20 pmRiga Intl
40h 27m
2 stops
PDX8:47 pmPortland
$579
Find similar

Lufthansa flights from Portland to Riga

Our best Lufthansa deals on Portland to Riga flight tickets
Lufthansa
Apr 8
PDX2:10 pmPortland
22h 20m
2 stops
RIX10:30 pmRiga Intl
May 3
RIX6:50 amRiga Intl
23h 57m
2 stops
PDX8:47 pmPortland
$679
Find similar
Lufthansa
Apr 10
PDX3:30 pmPortland
21h 40m
2 stops
RIX11:10 pmRiga Intl
May 5
RIX6:50 amRiga Intl
23h 57m
2 stops
PDX8:47 pmPortland
$791
Find similar
Lufthansa
Apr 10
PDX3:30 pmPortland
21h 40m
2 stops
RIX11:10 pmRiga Intl
May 1
RIX6:40 amRiga Intl
28h 08m
2 stops
PDX12:48 amPortland
$842
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland 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 December 23, 2025.
Use the filters below to find and compare flights from Portland to Riga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandRiga

PDX - RIX

PDXRIX

Portland

Sun 1/18

10:00 am-1:15 pm

2 stops17h 15m

Riga Intl

Sun 1/25

7:35 am-11:25 am

1 stop13h 50m

$500

PortlandRiga

PDX - RIX

PDXRIX

Portland

Sun 1/18

1:25 pm-10:20 pm

1 stop22h 55m

Riga Intl

Sun 1/25

7:35 am-11:25 am

1 stop13h 50m

$501

PortlandRiga

PDX - RIX

PDXRIX

Portland

Mon 3/9

7:00 am-1:10 pm

2 stops21h 10m

Riga Intl

Mon 3/16

7:35 am-12:25 pm

1 stop13h 50m

$506

PortlandRiga

PDX - RIX

PDXRIX

Portland

Sun 1/18

10:00 am-1:15 pm

2 stops17h 15m

Riga Intl

Sun 1/25

7:35 am-8:32 pm

2 stops22h 57m

$510

PortlandRiga

PDX - RIX

PDXRIX

Portland

Mon 3/9

7:00 am-1:10 pm

2 stops21h 10m

Riga Intl

Mon 3/16

7:35 am-10:10 pm

2 stops23h 35m

$516

PortlandRiga

PDX - RIX

PDXRIX

Portland

Fri 2/6

9:50 am-1:55 pm

2 stops18h 05m

Riga Intl

Tue 2/10

7:05 am-6:30 pm

2 stops21h 25m

$546

PortlandRiga

PDX - RIX

PDXRIX

Portland

Thu 4/9

1:05 pm-5:15 pm

1 stop18h 10m

Riga Intl

Mon 5/4

11:50 am-11:10 am

1 stop33h 20m

$550

PortlandRiga

PDX - RIX

PDXRIX

Portland

Tue 4/7

11:59 pm-1:20 pm

2 stops27h 21m

Riga Intl

Tue 5/5

6:50 am-12:48 am

2 stops27h 58m

$559

PortlandRiga

PDX - RIX

PDXRIX

Portland

Tue 4/7

11:59 pm-1:20 pm

2 stops27h 21m

Riga Intl

Fri 5/1

2:00 pm-6:05 pm

2 stops38h 05m

$564

PortlandRiga

PDX - RIX

PDXRIX

Portland

Tue 4/7

11:59 pm-1:20 pm

2 stops27h 21m

Riga Intl

Mon 5/4

2:20 pm-8:47 pm

2 stops40h 27m

$579

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Riga from

How to get the cheapest flight ticket from Portland 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 cheapest day to depart on your flight to Riga?

The cheapest day to depart from Portland to Riga is on a Monday when prices can be found for as low as $880. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,570. These prices are subject to change though, so be sure to set up a Price Alert for flights to Riga.

What is the cheapest time of day to depart on your flight to Riga?

Flying to Riga from Portland at noon is the least expensive time of day to depart. momondo users have found prices as low as $920 when looking at flights departing at noon. In contrast, the most expensive time of day to depart to Riga is in the evening when prices are around $1,262.

When to book flights from Portland to Riga

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

Cheap Portland to Riga (PDX to RIX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Riga

Fastest flight time

17h 15m

Direct flights

None
The fastest flight from Portland to Riga takes 17h 15m
There are no direct flights from Portland to Riga. There are no popular flight routes from Portland to Riga.
Search flight deals

  • How far is Portland to Riga Intl by plane?

    Riga Intl is 5098.0 mi away from Portland. By plane, this route typically takes 17h 15m.

  • When did momondo last update prices for flights from Portland Airport to Riga Intl Airport?

    Prices for flights from Portland Airport to Riga Intl Airport were last updated today.

  • How many operators does momondo search for flights from Portland Airport to Riga Intl Airport?

  • How old do you have to be to fly from Portland Airport to Riga 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 Portland Airport to Riga Intl Airport.

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

    The required travel and health documents for your Riga 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 Riga Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Portland to Riga?

Best airlines flying from Portland to Riga

Compare and see reviews for airlines that fly from Portland to Riga with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $598Free CancellationRating
7.4
1,620 reviews
Search Scandinavian 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 Portland to Riga?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Riga. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Riga with flexible booking policies on momondo?

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

How can momondo help me find flights from Portland to Riga?

momondo provides multiple filters to help you find the best flight to Riga from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Riga from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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