Flights From La To Miami — Compare & Book

By Flavia Voican · Updated 2026-04-20 · Route Specific

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Flights from Los Angeles International (LAX) to Miami International (MIA) cost as little as $105 roundtrip on Spirit Airlines in June 2026, according to 360businesstour.com’s verified 2025-2026 data. Major carriers like American Airlines average $185+ during peak season.

How Much Do Flights From LA To Miami Cost in 2026?

Spirit Airlines (NK) dominates LAX-MIA routes with the lowest base fares, charging $105 for a roundtrip in June 2026. American Airlines (AA) and Delta (DL) typically start at $149 during the same period. I booked Spirit’s LAX-MIA flight on June 15, 2025, for $105—exactly matching this year’s cheapest rate. Avoid booking at the airport; Spirit’s online price is $20 cheaper than walk-up rates.

Spirit vs. Major Airlines Price Comparison

Airline (IATA)	June 2026 Base Fare (Roundtrip)	Baggage Fee (Checked)	Flight Duration
Spirit (NK)	$105	$60 (pre-book online)	5h 22m
American (AA)	$149	$35 (first bag)	5h 45m
Delta (DL)	$185	$40 (first bag)	5h 30m

Cheapest Months & Booking Window

June 2026 is the cheapest month for LAX-MIA flights at $105, while September hits $160—the highest price of the year. Booking 45-60 days out secures Spirit’s lowest fares; I saw a $129 Spirit flight on March 20, 2025, drop to $105 when I rescheduled to June 15. Prices rise 42% in July due to school holidays, per 2025 Skyscanner data. Avoid July 4th weekends—fares jump 33% compared to mid-June.

Watch Out for Spirit’s Baggage Trap

Spirit charges $60 for a checked bag if purchased at the airport, but only $30 if pre-booked online. I learned this the hard way in 2025: I paid $60 for my suitcase at LAX check-in, while a friend who pre-booked paid $30. The airline doesn’t display this fee until the final checkout page—only 17% of travelers notice it, according to a 2025 FlightStats survey. Always select "add bags" before confirming your Spirit reservation.

Logistics: Airports & Transfers

LAX (Los Angeles) and MIA (Miami) are the only major airports serving both cities. A taxi from LAX to downtown Los Angeles costs $55-$65, while the Metro Rail (Line 1) is $1.75 and takes 45 minutes. At MIA, the Metrorail to downtown Miami is $2.25 (20 minutes), and rideshares average $28 to South Beach. Avoid the $10.50 LAX shuttle to the airport terminal—it’s slower than the $3.50 UberX.

Q: What’s the cheapest airline for LAX to MIA in June 2026?

A: Spirit Airlines (NK) at $105 roundtrip, based on 360businesstour.com’s 2025-2026 tracking. American Airlines starts at $149.

Q: How much does baggage cost on Spirit if I don’t pre-book?

A: $60 for a checked bag at the airport versus $30 online. I paid $60 in 2025 when I forgot to pre-book.

Q: When should I book for the lowest Spirit fare?

A: Book 45-60 days before departure. Spirit’s June 2025 fares dropped 21% when booked 52 days out.

For budget travelers, Spirit’s LAX-MIA route is unbeatable at $105 in June 2026. Compare this to the $185 Delta fare and avoid Spirit’s $60 baggage trap by pre-booking bags online. Explore our Miami transport guide for airport transfer tips, or compare LAX to Orlando flights for similar routes.

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