Stop overpaying for flights.
Butterfly tracks prices across thousands of routes and alerts you the moment fares drop. Search now or set it and forget it.
How it works
No account needed to start. Set up an alert in under a minute.
Set your route
Pick origin, destination, travel dates, and your ideal price point.
We watch prices
Fares are checked automatically. Every fluctuation tracked around the clock.
Get notified
Price drops below your target? You get an instant alert. Click through and book.
We scan thousands of flights to find price drops as they happen.
Get notified via email (or SMS for Pro) the moment a deal hits your target.
No account needed to start. We only use your email to send the deals you asked for.
Simple pricing
Start free. Upgrade when you want faster checks and more power.
Free
For casual travelers
- 1 price alert
- Economy cabin
- Checks every 6 hours
- 60-day departure window
- Email notifications
- Direct airline booking links
Pro
For serious deal hunters
- Unlimited alerts
- All cabin classes
- Checks every 30 minutes
- 11-month departure window
- Email + SMS alerts
- Multiple origins & destinations
- Interactive booking flow
- Direct airline booking links
What Pro unlocks
Everything in Free, plus features that serious travelers need.
Unlimited alerts
Track as many routes as you want. BOS to Rome, JFK to Tokyo, LAX to London — all at once.
12x faster checks
Prices checked every 30 minutes instead of 6 hours. Catch drops before they disappear.
All cabin classes
Track Premium Economy, Business, and First class fares — not just Economy.
Multiple airports
Search BOS + JFK + EWR to Rome in one query. Find the cheapest origin automatically.
11-month window
Book further out when prices are lowest. Free tier is limited to 60 days.
SMS alerts
Get a text the moment your target price hits. Never miss a deal.
Free to start. No credit card required.