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Cheap flights from Riga to San Francisco from $432

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Riga to San Francisco departing on 10/30. 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 Riga to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
LOT Logo
6:30 pm - 8:40 pm
RIX
-
SFO
36h 10m
1 stop
LOT Logo
3:55 pm - 1:10 pm
SFO
-
RIX
35h 15m
1 stop
$729LOT
Fri, Jul 17 - Thu, Jul 30
LOT Logo
6:30 pm - 8:40 pm
RIX
-
SFO
36h 10m
1 stop
LOT Logo
3:55 pm - 1:20 am
SFO
-
RIX
23h 25m
1 stop
$731LOT
Fri, Jul 17 - Thu, Jul 30
LOT Logo
6:30 pm - 8:40 pm
RIX
-
SFO
36h 10m
1 stop
LOT Logo
3:55 pm - 1:20 am
SFO
-
RIX
23h 25m
1 stop
$733LOT
Fri, Jul 17 - Thu, Jul 30
LOT Logo
6:30 pm - 8:40 pm
RIX
-
SFO
36h 10m
1 stop
LOT Logo
3:55 pm - 1:20 am
SFO
-
RIX
23h 25m
1 stop
$735LOT
Fri, Jul 17 - Thu, Jul 30
LOT Logo
1:55 pm - 2:00 pm
RIX
-
SFO
34h 05m
1 stop
LOT Logo
10:40 pm - 1:20 am
SFO
-
RIX
16h 40m
1 stop
$748LOT
Sat, Jul 11 - Sat, Jul 25
LOT Logo
5:50 am - 2:00 pm
RIX
-
SFO
18h 10m
1 stop
LOT Logo
3:55 pm - 5:45 pm
SFO
-
RIX
15h 50m
1 stop
$766LOT
Thu, Jul 23 - Thu, Jul 30
LOT Logo
6:30 pm - 8:40 pm
RIX
-
SFO
36h 10m
1 stop
LOT Logo
3:55 pm - 5:45 pm
SFO
-
RIX
15h 50m
1 stop
$773LOT
Fri, Jul 24 - Thu, Aug 6
Multiple Airlines Logo
7:50 am - 2:30 pm
RIX
-
SFO
16h 40m
1 stop
Multiple Airlines Logo
4:30 pm - 1:00 pm
SFO
-
RIX
34h 30m
1 stop
$860Multiple Airlines
Mon, Sep 7 - Tue, Sep 22
Multiple Airlines Logo
7:15 pm - 2:40 pm
RIX
-
SFO
29h 25m
2 stops
Multiple Airlines Logo
4:45 pm - 10:55 pm
SFO
-
RIX
20h 10m
2 stops
$912Multiple Airlines
Mon, Sep 7 - Tue, Sep 22
Multiple Airlines Logo
4:30 pm - 4:15 pm
RIX
-
SFO
33h 45m
3 stops
Multiple Airlines Logo
11:10 am - 11:05 pm
SFO
-
RIX
25h 55m
2 stops
$925Multiple Airlines
Mon, Sep 7 - Tue, Sep 22

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LOT flights from Riga to San Francisco

Our best LOT deals on Riga to San Francisco flight tickets
LOT
Jul 17
RIX6:30 pmRiga Intl
36h 10m
1 stop
SFO8:40 pmSan Francisco
Jul 30
SFO3:55 pmSan Francisco
35h 15m
1 stop
RIX1:10 pmRiga Intl
$729
LOT
Jul 17
RIX6:30 pmRiga Intl
36h 10m
1 stop
SFO8:40 pmSan Francisco
Jul 30
SFO3:55 pmSan Francisco
23h 25m
1 stop
RIX1:20 amRiga Intl
$731
LOT
Jul 17
RIX6:30 pmRiga Intl
36h 10m
1 stop
SFO8:40 pmSan Francisco
Jul 30
SFO3:55 pmSan Francisco
23h 25m
1 stop
RIX1:20 amRiga Intl
$733

United Airlines flights from Riga to San Francisco

Our best United Airlines deals on Riga to San Francisco flight tickets
United Airlines
Jul 23
RIX2:00 pmRiga Intl
15h 50m
1 stop
SFO7:50 pmSan Francisco
Jul 30
SFO11:59 pmSan Francisco
27h 41m
2 stops
RIX1:40 pmRiga Intl
$939
United Airlines
Jul 11
RIX6:30 amRiga Intl
35h 17m
2 stops
SFO7:47 amSan Francisco
Jul 25
SFO4:21 pmSan Francisco
35h 19m
2 stops
RIX1:40 pmRiga Intl
$945
United Airlines
Jul 17
RIX6:40 amRiga Intl
27h 17m
2 stops
SFO11:57 pmSan Francisco
Jul 30
SFO11:59 pmSan Francisco
27h 41m
2 stops
RIX1:40 pmRiga Intl
$947

momondo Fare Finder

 
Customize your flight search to find flights from Riga to San Francisco 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 June 18, 2026.
Use the filters below to find and compare flights from Riga to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

RigaSan Francisco

RIX - SFO

RIXSFO

Riga Intl

Fri 7/17

6:30 pm-8:40 pm

1 stop36h 10m

San Francisco

Thu 7/30

3:55 pm-1:10 pm

1 stop35h 15m

$729

RigaSan Francisco

RIX - SFO

RIXSFO

Riga Intl

Fri 7/17

6:30 pm-8:40 pm

1 stop36h 10m

San Francisco

Thu 7/30

3:55 pm-1:20 am

1 stop23h 25m

$731

RigaSan Francisco

RIX - SFO

RIXSFO

Riga Intl

Fri 7/17

6:30 pm-8:40 pm

1 stop36h 10m

San Francisco

Thu 7/30

3:55 pm-1:20 am

1 stop23h 25m

$733

RigaSan Francisco

RIX - SFO

RIXSFO

Riga Intl

Fri 7/17

6:30 pm-8:40 pm

1 stop36h 10m

San Francisco

Thu 7/30

3:55 pm-1:20 am

1 stop23h 25m

$735

RigaSan Francisco

RIX - SFO

RIXSFO

Riga Intl

Sat 7/11

1:55 pm-2:00 pm

1 stop34h 05m

San Francisco

Sat 7/25

10:40 pm-1:20 am

1 stop16h 40m

$748
Quickest round-trip

RigaSan Francisco

RIX - SFO

RIXSFO

Riga Intl

Thu 7/23

5:50 am-2:00 pm

1 stop18h 10m

San Francisco

Thu 7/30

3:55 pm-5:45 pm

1 stop15h 50m

$766

RigaSan Francisco

RIX - SFO

RIXSFO

Riga Intl

Fri 7/24

6:30 pm-8:40 pm

1 stop36h 10m

San Francisco

Thu 8/6

3:55 pm-5:45 pm

1 stop15h 50m

$773

RigaSan Francisco

RIX - SFO

RIXSFO

Riga Intl

Mon 9/7

7:50 am-2:30 pm

1 stop16h 40m

San Francisco

Tue 9/22

4:30 pm-1:00 pm

1 stop34h 30m

$860

RigaSan Francisco

RIX - SFO

RIXSFO

Riga Intl

Mon 9/7

7:15 pm-2:40 pm

2 stops29h 25m

San Francisco

Tue 9/22

4:45 pm-10:55 pm

2 stops20h 10m

$912

RigaSan Francisco

RIX - SFO

RIXSFO

Riga Intl

Mon 9/7

4:30 pm-4:15 pm

3 stops33h 45m

San Francisco

Tue 9/22

11:10 am-11:05 pm

2 stops25h 55m

$925

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Riga to San Francisco

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 Riga and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $727.

When to book flights from Riga to San Francisco

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

Cheap Riga to San Francisco (RIX to SFO) flight deals and tips

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

Fastest flight time

20h 15m

Direct flights

None
The fastest flight from Riga to San Francisco takes 20h 15m
There are no direct flights from Riga to San Francisco. There are no popular flight routes from Riga to San Francisco.
Search flight deals

Frequently asked questions about flying from Riga to San Francisco

  • How far is Riga Intl to San Francisco by plane?

    Riga Intl and San Francisco are 5602.4 mi apart from one another. 20h 15m is a normal flight duration for this route.

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

    Prices for flights from Riga Intl Airport to San Francisco Airport are updated daily.

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

  • How old do you have to be to fly from Riga Intl Airport to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Riga Intl Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Riga to San Francisco?

Best airlines flying from Riga to San Francisco

Compare and see reviews for airlines that fly from Riga to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $679Free CancellationRating
6.8
8,074 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $701Free CancellationRating
7.4
4,409 reviews
Search Turkish Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Hayward
Bodega Bay
Roseville
Fremont
Walnut Creek
Santa Clara
South San Francisco
Berkeley
Vallejo
Sunnyvale
Salinas
Big Sur
Pacific Grove
Daly City
Burlingame
Calistoga

Why use momondo?

Why should I use momondo to find a flight deal from Riga to San Francisco?

It is quick and easy to find Riga to San Francisco 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 San Francisco that suits you.

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

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

How can momondo help me find flights from Riga to San Francisco?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Riga to San Francisco.

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

Yes. momondo can track prices for Riga to San Francisco 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.

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