Fares shown are modelled estimates, not live quotes.
Why visit Seoul in April?
Spring (March-May) and fall (September-November) have mild weather and cherry blossoms/foliage. Summer is hot and humid with monsoons. Winter is freezing.
Best Time to Fly to Seoul
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 Seoul or April 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 Seoul in April
All US departure cities for Seoul — sorted by estimated price. Set a price alert on any route now; fare reviews resume after the provider migration.
About Seoul
Seoul is neon-lit modernity mixed with palaces, K-pop culture, street food markets, and nightlife that goes until dawn. It's safe, clean, and the subway is in English. The food is incredible (Korean BBQ, bibimbap, street tteokbokki), and the DMZ tour is sobering. Budget 4-5 days minimum.
- •Gyeongbokgung Palace and changing of the guard
- •Myeongdong for shopping and street food
- •Hongdae for nightlife and live music
- •DMZ tour (half-day trip to North Korea border)
Other months to visit Seoul
Frequently Asked Questions
Is April a good month to visit Seoul?
Yes — April is one of the best months for Seoul. Spring (March-May) and fall (September-November) have mild weather and cherry blossoms/foliage. Summer is hot and humid with monsoons. Winter is freezing.
How much do flights to Seoul cost in April?
The lowest modelled estimate to Seoul in April is around $481 round trip from Seattle. This is not a live fare. Fare reviews are paused during the provider migration.
When should I book April flights to Seoul?
Book 6–10 weeks before your April 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 Seoul route for April
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