Maya Okonkwo
Travel Editor
The Easiest Way to Save on Travel Isn't Finding a Lower Price — It's Catching One After You've Already Booked
Free automatic monitoring for flights you've already booked on major US carriers — claims refunds or credits when fares drop, no rebooking needed
Most "cheap travel" advice is about finding the lowest price before you book. Almost nobody talks about what to do after — because most travelers don't know prices can still drop, or that there's a free way to catch it automatically.
Junova monitors flights already booked with major US carriers (United, American, Delta, Southwest, Alaska) and automatically pursues a refund or credit when the fare drops after booking. It doesn't touch your seat or itinerary — it works entirely in the background after you've booked elsewhere.
Free automatic monitoring for flights you've already booked on major US carriers — claims refunds or credits when fares drop, no rebooking needed
What happened when people stopped waiting
3 commentsChecked the same flight on Expedia first. Trip.com came back $140 cheaper for the exact same seats on the same airline. Booked immediately. Don't know why I wasn't using this already.
334 people found this helpful
Used it for a London trip — flights AND the Eurostar to Paris in one booking. Expedia doesn't even do trains. Saved about 20% on the hotel too. Will never go back to booking piecemeal.
267 people found this helpful
Booked a Tokyo trip for 4. Trip.com was the only platform that showed all the train options from the airport. Saved us 3 hours of confusion on arrival. The hotel price was also $40/night cheaper.
198 people found this helpful
What We Found
Booked a flight months ago? The price probably moved since then — and there's a free way to find out if you're owed money back.
How We Evaluated
Our Ranking Criteria
No itinerary risk
Only tools that monitor without altering the existing booking qualify — your seat and dates stay untouched.
Carrier coverage
We confirm which airlines are actually supported before recommending a monitoring tool.
Cost structure
Free-to-monitor services that only benefit from a genuine recovered refund keep incentives aligned with the traveler.
How It Works
How do I save money on travel I already booked?
For flights on major US carriers, a free monitoring service can track the fare on your existing booking and file for a refund or credit automatically if the price drops — no need to check manually or rebook.
Quick Comparison
| Option | Best for | |
|---|---|---|
| #1 Trip.com Best Price Guarantee | Book flights, hotels, and trains on one of the world's largest travel platforms | See options |
| #2 Trip.com (CA) Canadian Prices | Book flights and hotels at competitive rates — for Canadian travellers | See options |
| #3 Junova Post-Booking Price Protection | Best for: Budget travelers who book direct with a major US carrier and want passive price-drop monitoring after booking | Check My Booked Flight |
| #4 INFOBUS Multi-Modal Booking | Compare and book bus, train, and flight deals worldwide | See options |
Book flights, hotels, and trains on one of the world's largest travel platforms
See optionsBook flights and hotels at competitive rates — for Canadian travellers
See optionsBest for: Budget travelers who book direct with a major US carrier and want passive price-drop monitoring after booking
Check My Booked FlightOur Verdict
Pre-booking price comparison gets most of the attention in travel-savings content, but it only captures the price at one moment in time. Fares on major US carriers move constantly after booking, and a free automated monitor that watches your specific flight and only acts on genuine price drops is a practical way to recover money without any extra effort or risk to your existing reservation.
This is a complement to — not a replacement for — comparison shopping before you book. Use it after you've already locked in a flight with a major carrier, particularly if you booked well ahead of your travel date.
Top pick
Trip.com Best Price Guarantee
400M+ trips booked · 220+ countries
Personalized Recommendation
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Trip.com appears to be a strong match
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4 Options — Compared on Price, Evidence, and Fit
Trip.com
Book flights, hotels, and trains on one of the world's largest travel platforms
Available in
US
Offer type
Variable
Compare prices across airlines
How we scored this ↓Trip.com (CA)
Canadian PricesBook flights and hotels at competitive rates — for Canadian travellers
✓ Book in CAD · Best Price Guarantee
Prices in Canadian dollars
Junova
Post-Booking Price Protection ✓ ApprovedAlready booked a flight? Junova monitors it for price drops and secures refunds automatically
✓ Works with major US carriers · No itinerary changes
Free to monitor · No obligation
INFOBUS
Multi-Modal Booking ✓ ApprovedCompare and book bus, train, and flight deals worldwide
✓ Compare and book bus, train, and flight deals worldwide
Bus, train & flights
By the Numbers
Frequently Asked Questions
Is post-booking price monitoring free?
Yes for services like Junova — there's no cost to monitor your booked flight. The service only becomes useful to you if a price drop is found and a refund or credit is actually secured.
Does this work for hotels too?
Junova's current coverage is flights booked with major US carriers. Hotel price-drop monitoring is a separate category of tool and isn't covered by this particular service.
This price doesn't last. Neither does the window.
Trip.com — Book flights, hotels, and trains on one of the world's largest travel platforms
400M+ trips booked · 220+ countries
No commitment — checking takes under 2 minutes
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