Stop overpaying
for flights.

Forward your flight confirmation email. Slipfare tracks the price and notifies you when it drops — so you can rebook and pocket the difference.

Slipfare
ORD → SFO
Price dropped!
Apr 12 · United · UA 2451 · Economy
Paid
$248
Current
$189
Savings
−$59
SEA → LAX
Apr 20 · Alaska · AS 1182 · Economy
Paid
$156
Current
$156
Diff
$0
DEN → JFK
May 3 · United · UA 448 · Premium Economy
Paid
$312
Current
$347
Diff
+$35

How It Works

1

Forward your receipt

Send your airline booking confirmation to your Slipfare email address. That's it.

2

AI extracts the details

Our AI reads the email and pulls out routes, dates, flight numbers, and price — even complex multi-leg itineraries.

3

Get notified when the price drops

Slipfare checks the fare on a recurring schedule. When it drops below what you paid, you'll know instantly.

Everything you need to save

📉

Price Drop Alerts

Automatic notifications when a tracked flight's price falls below what you paid.

📊

Price History Charts

See how fares fluctuate over time with per-flight price history graphs.

🔄

United Trip Sync

Import your booked United flights with one click — no manual entry needed.

✈️

Multi-Airline Support

Track flights on United, Alaska Airlines, and Southwest.

Simple pricing

Start free. Upgrade when you need more flights or faster checks.

Free
$0 /mo
  • 3 active flights
  • Price checks every 24 hours
  • Unlimited manual refresh
  • Price drop alerts
Get Started
Most Popular
Pro
$5 /mo
  • 20 active flights
  • Price checks every 6 hours
  • Unlimited manual refresh
  • Price drop alerts
Get Started
Ultra
$10 /mo
  • Unlimited flights
  • Price checks every 6 hours
  • Unlimited manual refresh
  • Price drop alerts
Get Started

Never miss a price drop again.

Forward a receipt. Save money. It's that simple.

Get Started Free →