Fares shown are modelled estimates, not live quotes.
Why visit Riga in September?
Summer is peak Riga — warm weather (70-75°F), long daylight, and outdoor cafes. May and September are shoulder months. Avoid October-April; it's freezing and dark.
Best Time to Fly to Riga
Click any month for the destination guide's weather, crowd, and festival notes.
Listed as a recommended month in this destination guide
Join the fare list now. Fare reviews and weekly emails begin after the rebuilt feed is live.
The email signup uses your home airport. It does not save Riga or September as a route alert.
The Cheapest Fares From Your Airport, Every Week
Sign up for the weekly cheapest-fare email. We ask for your home airport next. Fare checks and deal emails will begin once the rebuilt feed is live.
No spam. Unsubscribe anytime. See plans and trial details →
Flights to Riga in September
All US departure cities for Riga — sorted by estimated price. Set a price alert on any route now; fare reviews resume after the provider migration.
About Riga
Riga is Latvia's capital and the Baltics' party city — Art Nouveau architecture, medieval old town, Soviet history, and nightlife that's cheap and wild. It's a stag party destination but also has culture. The Central Market is huge, and the city's mix of German, Russian, and Soviet influences is fascinating.
- •Art Nouveau district (Alberta iela)
- •Old Town (Vecrīga) and House of the Blackheads
- •Central Market (former Zeppelin hangars)
- •Soviet-era architecture and museums
Other months to visit Riga
Frequently Asked Questions
Is September a good month to visit Riga?
Yes — September is one of the best months for Riga. Summer is peak Riga — warm weather (70-75°F), long daylight, and outdoor cafes. May and September are shoulder months. Avoid October-April; it's freezing and dark.
How much do flights to Riga cost in September?
The lowest modelled estimate to Riga in September is around $337 round trip from Boston. This is not a live fare. Fare reviews are paused during the provider migration.
When should I book September flights to Riga?
Book 6–10 weeks before your September travel date for the best price-availability balance. For peak seasons, book 3–4 months early. Fare reviews and notifications are paused during the provider migration.
Save a Riga route for September
Fare reviews and notifications are paused during the provider migration. You can save a route now, and it will be waiting when reviews resume.
Create a Price Alert