Southwest Burbank to Las Vegas fares: is $55 premium worth paying in 2026?

Takeaway	Detail
Book the $55 Southwest fare only if the cheapest LAS–BUR competitor's all-in total exceeds $55.	Price the same dates, then add checked-bag and seat-selection fees you would actually pay.
The $55 fare is worth it only when included extras beat about $30–$75 in rival add-ons.	Value checked bags, no change fee, and refundable-ish terms against that range.
KAYAK's $66 Burbank floor is a market reference, not your route quote.	It lists Southwest, Alaska Airlines & more; price LAS–BUR for your dates.
Southwest flies nonstop to Burbank from 17 cities, with Las Vegas among the most frequent.	Other frequent origins include Oakland, Sacramento, San Jose, and Phoenix.

This guide shows how to compare a $55 one-way Southwest Las Vegas–Burbank fare against the cheapest rival's all-in price.

It lays out the bag, seat, and fee arithmetic so you can decide from your own dates.

How Southwest prices the LAS–BUR route

According to Google Flights, Southwest serves Burbank (BUR) direct from 17 cities, and of those, Las Vegas is the single most frequent departure city to Burbank on Southwest. That level of concentration is what makes the LAS–BUR pairing a core link within Southwest's Burbank network, rather than an occasional route. For the purpose of this route, that frequency is the structural reason to pay attention to it in the first place.

To verify if that structure is working for your exact travel date, FlightsFrom.com shows all 17 Southwest routes out of Burbank with schedules visible up to 9 months ahead. Your first check should be the rotation count for LAS–BUR on that date: look to see if there are multiple daily rotations, or if only one or two are listed. A high-frequency day gives more options for same-day rebooking, while a sparse day offers far fewer. This is a capacity clue, not a guarantee of any specific fare tier being present.

Even on a route with deep inventory, Southwest's fare products are displayed date by date, so the lowest one-way tier can come and go without changing the route map itself. The fact that Las Vegas is the most frequent origin doesn't lock in availability, it only makes it more realistic for that availability to exist on some days. Treat the schedule count as your filter before you commit to any search result.

The evidence: what the fares actually show

To anchor the comparison, the only market prices introduced here come directly from KAYAK. According to KAYAK (kayak.co.uk), Las Vegas–Burbank flights appear from £53 round-trip, with Premium Economy-type ticket listings explicitly flagged. Note the units: that figure is a round-trip starting price quoted in pounds, not a one-way dollar fare, so it cannot be subtracted from the $55 one-way Southwest fare. Its only use is to show that round-trip pricing on this route can reach a low starting point in the listings, which helps place the $55 one-way fare in context rather than assuming it is expensive by default.

On the U.S. side, KAYAK.com lists Burbank fares from $66 for 2026/27 travel on Southwest, Alaska and others (kayak.com). This $66 is a starting fare for Burbank, not stated as a one-way LAS–BUR all-in. The discipline here is simple: treat that $66 as an independent benchmark to test against your exact dates, not as a universal price for the pairing. If your competing one-way option is priced near or above that benchmark before any extras, the $55 one-way Southwest fare is sitting at the low end of the range shown by those KAYAK listings, not the high end.

That said, a benchmark can only tell you neighborhood, not a verdict. The £53 round-trip from KAYAK (kayak.co.uk) and the $66 starting fare from KAYAK.com do not break down checked-bag fees, seat-selection fees, or change terms for any specific ticket class. A fare that looks higher on the base price could still be lower once you add only the fees you would actually pay, or it could be higher. The presence of those low-end listings only justifies checking, it does not justify assuming the $55 one-way Southwest fare wins on base price alone.

For that reason, the practical check is strict: pull the exact one-way LAS–BUR competitor for your dates and build its true all-in from the fees you would personally select, using the $66 benchmark as a red flag if the base is already above it before extras. The $53 round-trip and $66 starting fare are only useful to know the range exists, not to substitute for that live pricing. Without that live all-in, neither of those observed prices can decide the $55 one-way Southwest fare for you.

Options compared: $55 fare vs rivals

To make a direct choice, the only valid comparison is all-in: take the base fare of the cheapest LAS–BUR competitor for the exact dates you need, add any checked-bag fee for one checked bag you would actually pay, and add any seat-selection fee you would actually buy. Against that, compare to the Southwest one-way fare with whatever bags its current fare rules include at the moment of booking. Do not compare base fares alone, because the inclusion of bags is the part that can flip the result.

This section alone presents the all-in comparison table with its explicit winner logic. Price each line live for your itinerary, since fees can change by fare class:

Before you act on the sum, recompute it digit by digit against your written lines. If the rival's fees page does not show a verifiable first-bag fee at the time of your search, do not guess a number: treat that as a missing fee and only proceed with a method-based comparison, not an assumed total. This three-checkpoint run is the only arithmetic you need to make the decision for two travelers, one bag.

Worked Example: Run the Numbers

This is an illustration, not a live quote or a recommendation: one traveler, one-way Las Vegas (LAS) to Burbank (BUR), with Southwest's fare at $55. The competitor's base fare for the same dates is not assumed here; call it R. The add-ons are only checked-bag and seat-selection fees you would actually pay, and this illustration uses the $30–75 add-on range from the decision rule as its two test cases. No checked-bag or seat fee is invented; the range is the only add-on input.

Step 1: competitor all-in total = R + add-ons. Step 2: Southwest all-in total = $55, because this scenario assumes the $55 fare already covers the bag and seat choices that traveler needs. Step 3: compare the two totals. Step 4: find the break-even rival fare by setting R + add-ons = $55, which gives R = $55 − add-ons. Step 5: interpret the sign: a positive break-even fare means the rival must be at least that expensive; a negative break-even fare means Southwest wins even if the rival fare is $0.

Add-ons	Break-even rival fare (R)	Southwest wins if rival fare is
$30	$25	above $25
$75	-$20 (impossible)	any nonnegative fare

For this illustration, the winner is conditional, not automatic: with $30 of add-ons, Southwest wins only when the competitor's fare is above $25; with $75 of add-ons, the add-ons alone exceed Southwest's $55 fare, so Southwest wins for any nonnegative competitor fare. The break-even trigger in both cases is a competitor all-in total of exactly $55, and the same trigger applies if your add-ons fall anywhere between $30 and $75.

Apply the same arithmetic to your own booking: price the same dates on the cheapest competitor, add only the bag and seat fees you would actually pay, and choose the $55 Southwest fare when that all-in total is above $55. If either fare changes, recheck, because the break-even rival fare moves one-for-one with the add-ons. If you would not pay for a bag or seat on the rival, leave that fee out rather than using the full range.

Decision rules for the $55 fare

Use these rules after you price the same Las Vegas–Burbank dates on the cheapest competitor and add only the checked-bag and seat-selection fees you would actually pay. The $55 Southwest fare is a benchmark for that all-in total, not an automatic buy.

If you will check a bag and the rival base fare is within $20 of $55, book the $55 Southwest fare. The bag line alone can flip the total: a lower rival fare plus a bag charge can end above $55, while the Southwest fare already includes that bag. Treat "within $20" as the $35–$75 rival-fare band for this rule.

If you travel carry-on only and the rival's one-way fare for your dates prices below the $55 Southwest fare with no fees you would actually pay added, book the rival and pocket the difference. With no bag to add, the lower base fare is the cleaner win, provided you have already included any seat-selection fee you would pay and confirmed the $55 tier exists on your dates.

If your return date might change, book Southwest when the one-way gap is $10 or less, even if the rival's all-in total is slightly lower. Its change terms are the hedge you are paying a small premium for; verify current terms at checkout before relying on them.

When two rules conflict, let the one that matches your actual trip decide: a checked bag favors Southwest, a firm carry-on-only plan favors a $53-or-lower rival, and a flexible return favors Southwest within a $10 one-way gap. A gap larger than $10 one-way needs a stronger reason than flexibility alone.

Do not treat these rules as fare predictions; they are booking rules for the prices you see at checkout. If the rival's all-in total is more than $10 below Southwest and none of the three conditions applies, the rival is the rational choice.

If...	Then...
Checked bag; rival base fare within $20 of $55	Book the $55 Southwest fare
Carry-on only; rival at $53 or less	Book the rival
Return date may change; one-way gap $10 or less	Book Southwest; verify terms at checkout

Also worth reading BUR vs LAX 2026: $55 More, but · BUR vs LAX Scorecard: $198 Average · Burbank Airport new terminal 2026

What to do next

Frequently Asked Questions

When is the $55 Southwest fare actually worth booking?

Book the $55 Southwest fare only if the cheapest LAS–BUR competitor's all-in total exceeds $55.

Which fees should I add to a rival's base fare before comparing?

Price the same dates, then add checked-bag and seat-selection fees you would actually pay.

What rival add-on range makes the included extras justify the $55 fare?

The $55 fare is worth it only when included extras beat about $30–$75 in rival add-ons.

What does KAYAK's $66 Burbank floor tell me about my LAS–BUR trip?

KAYAK's $66 Burbank floor is a market reference, not your route quote.

How many cities does Southwest serve nonstop to Burbank?

Southwest flies nonstop to Burbank from 17 cities.

Which departure city is most frequent to Burbank on Southwest?

According to Google Flights, Las Vegas is the single most frequent departure city to Burbank on Southwest.

Quick answers

When should you book the $55 Southwest fare?	Book the $55 Southwest fare only if the cheapest LAS–BUR competitor's all-in total exceeds $55.
What should you add to a competitor's price?	Price the same dates, then add checked-bag and seat-selection fees you would actually pay.
When is the $55 fare worth it?	The $55 fare is worth it only when included extras beat about $30–$75 in rival add-ons.
What is KAYAK's $66 Burbank floor?	KAYAK's $66 Burbank floor is a market reference, not your route quote.
How many cities does Southwest serve Burbank direct from?	Southwest serves Burbank (BUR) direct from 17 cities, and Las Vegas is the single most frequent departure city to Burbank on Southwest.