Flight price alerts & fare monitoring

Stop checking
flight prices.

Tell TripSignal where you want to go and what you want to pay. We monitor flight fares for you and alert you when a fare matches your route, travel window and target price.

You decide when to book. TripSignal keeps watching.

Find a trip

Tell us where.
Set the fare.

Set the route, timing and fare you want. Advanced criteria are optional.

$1,000
Complete your trip

Everything after the flight.

Useful travel services for the trip you are planning.

Some links above are affiliate links: if you book through them, TripSignal may earn a commission at no extra cost to you. It helps keep the free plan free.

Why TripSignal

Search once.
Let TripSignal keep checking.

1

Set your watch

Choose your route, travel window, cabin and target price.

2

We keep watching

TripSignal checks your watch on the schedule you choose.

3

Get alerted

When a fare matches your criteria, we’ll tell you.

Your flight price watches

Set it once.
Let it run.

Sign in to see the flight fare watches you have running.

Sign in to see your watches.

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Free$01 new watch each monthStart watching
TripSignal Pro$19.99per year · unlimited watchesSign in to upgrade

What you get

This is what a
signal looks like.

One email, the moment a fare drops under your target. No noise, no spam.

TripSignalSignal found

TripSignal found $612 · MCI → LIS

Signal found

$612

MCI → LIS

Mar 12 – Mar 21, 2027 · 9 days

TAP Air Portugal · Economy · 1 stop · 14h 20m

Your target$700$88 below target
View signal

This is a sample. Real alerts land in your inbox the moment a fare matches your watch.

Start watching flight prices

Stop searching.
Let TripSignal watch.

Start watching