Travel smarter.
Search live fares
Round trip
One clear itinerary, priced for every traveler
Your itinerary

STL → MIA

Oct 19 – Oct 23 1 traveler economy

$0 FareSift booking fee Current details before you book
Up to 1 stop

Price orders the provider-reported amount before final repricing and extras.

Keep the trip moving

Turn this search into a decision.

Save the route now, or open the deeper FareSift workflow when the tradeoffs deserve more attention.

Track this tripSave the route and target totalUse FareSift Plus25 saved rules and deeper strategy
Useful next steps for MIAOptional partner offers are disclosed and never change the organic flight ranking.
Keep this routeGet launch and deal updates for STL → MIA.Automatic fare alerts are not active yet. No card is collected.
Illustrative STL–MIA fixture · not live inventory

See how FareSift compares a complete trip.

Example prices explain the method. They cannot be purchased.

Best valueLow complexity

One protected ticket. Bags handled.

American Airlines via Charlotte · Sep 16–20 · 4 nights

STL8:10 AM
4h 36m · 1 stop · CLT
MIA1:46 PM
Protected connection1 checked bagThrough-ticketed
91Deal score
True trip total$308$104 saved

Leaving Tuesday instead of Friday saves $67.

See the complete plan
Cheapest overallModerate complexity

$23 less in cash. More moving parts.

Southwest outbound + Frontier return · Sep 16–20 · 4 nights

STL6:35 AM
5h 15m · Separate one-ways
MIA12:50 PM
2 ticketsNo through-check3h 05m buffer
82Deal score
True trip total$285$312 risk-adjusted

Two separately priced one-way fares beat the round-trip filing.

See the complete plan
Regional comparison methodLow complexity

How an MX storefront comparison would work.

Hypothetical OTA storefront · Mexico POS methodology fixture · Sep 16–20 · 4 nights

STL9:05 AM
4h 27m · 1 stop · DFW
MIA2:32 PM
Reference MXN price$9 modeled FX costBilling acceptance unconfirmed
88Deal score
True trip total$293$15 saved

The fixture models a hypothetical storefront price filed in MXN.

See the complete plan
Avoid this fareAdvanced itinerary

$171 is not your real price.

Frontier basic economy · Sep 16–20 · 4 nights

STL7:20 PM
4h 50m · 1 stop · ATL
MIA1:10 AM
Basic economyBag not includedLate arrival
43Deal score
True trip total$331$346 risk-adjusted

The advertised price excludes the bag and seat needs in your profile.

See the complete plan
On-platform fare workspace

FareSift keeps the comparison here.

Every fare returned by a connected provider is displayed, reviewed, and explained on this page. An external issuer is opened only when current repricing or ticket issuance requires it.

STL → MIA Oct 19, 2026–Oct 23, 20261 traveler · 1 checked bagEconomy · Up to 1 stop
Honest boundary FareSift is not yet the ticket issuer. A live provider or authorized seller must still confirm complete-party inventory, fees, rules, and payment before a ticket exists.
Results stay inside FareSiftCompare routes, schedules, evidence, costs, and unresolved ticketing facts here.
Additional live-source checks Fallback only
Compare a fare's true total inside FareSift
Illustrative exampleThe priced cards are a labeled demonstration only.