Flights Boston → San Luis Obispo
As of June 2026, economy flights from Boston to San Luis Obispo have a typical range USD 482–600, median USD 514. Full range across all 300 offers: USD 449–623. We found 26% of 300 offers from budget carriers (around USD 503) and 74% from full-service carriers (around USD 514).
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Why fly Boston → San Luis Obispo?
This route offers a connection between a major East Coast hub and a desirable Central Coast California destination, suitable for both leisure and business travel.
Best for: leisure travelers · business travelers
Booking tips: With a price range of $449-$623 and a median of $514, aim to book when prices are closer to the lower end of the range, potentially around $458 for budget fares, to maximize savings.
Prices for this route appear to be moderately high, reflecting the significant distance and potentially limited direct flight options compared to shorter, more common domestic routes.
AI-generated summary from price distribution data · gemini-2.5-flash-lite
Best offers by airline: Boston → San Luis Obispo
Based on 300 offers · June 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Boston → San Luis Obispo
Add-on pricing from the cheapest available offer per airline · June 2026 · USD
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| JetBlue | Included | — | — |
| United Airlines | Included | USD 35 | — |
| American Airlines | Included | USD 35 | — |
| Alaska Airlines | Included | — | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Boston to San Luis Obispo cost?
Based on 300 offers · June 2026
Boston to San Luis Obispo flights ranged from USD 449 to USD 623 across 300 offers analyzed in June 2026. Two fare clusters detected: budget fares around 458 and premium fares around 510 The chart below shows how prices distributed across all 300 offers.
These 300 offers (June 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between USD 503 and USD 568
What hidden fees do Boston to San Luis Obispo flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Boston to San Luis Obispo routes. The breakdown below is based on 300 offers analyzed in June 2026.
| Carrier | Avg fee (USD) | % of base fare |
|---|---|---|
| B6 | 36 | 7% |
| UA | 65 | 12% |
| AA | 68 | 13% |
| AS | 10 | 2% |
American Airlines: base ~USD 446 + fees USD 68 = ~USD 514 total. Alaska Airlines: base ~USD 582 + fees USD 10 = ~USD 592 total.
American Airlines's USD 68 ancillary fees narrow the gap with Alaska Airlines's lower-fee model — the USD 136 base difference shrinks to USD 78 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.Fee levels vary significantly across carriers on this route — some carriers charge 50%+ above the base fare in ancillary fees.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Boston to San Luis Obispo?
6 airlines flew Boston to San Luis Obispo in this dataset. The route shows a clear split between low-cost and full-service carriers. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
Even on the cheapest airline (B6), fares ranged USD 455–515 in this snapshot. Your exact price depends on your dates and how far ahead you book — run a live search to see your number →
| Airline | Offers | Typical range (USD) | Median (USD) | Fees (USD) |
|---|---|---|---|---|
 B6 | 78 | 455–515 | 503 | 36 (7%) |
 United Airlines | 96 | 466–616 | 514 | 65 (13%) |
 American Airlines | 68 | 466–599 | 514 | 68 (13%) |
 American Airlines | 30 | 513–573 | 567 | n/a |
 United Airlines | 15 | 568–621 | 568 | n/a |
 Alaska Airlines | 13 | 542–615 | 592 | 10 (2%) |
Where do the best Boston → San Luis Obispo prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Boston to San Luis Obispo flights
- Full-service carriers on Boston–San Luis Obispo cost 1.1x more than budget airlines (USD 551 vs USD 503 median; overall median USD 514).
- AA charges 6.8x more in ancillary fees than AS — USD 68 vs USD 10 avg per booking.
- The same route priced USD 115 apart depending on where it was booked — the lowest median was USD 503. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Boston to San Luis Obispo cost?
- Based on 300 offers analyzed, Boston to San Luis Obispo flights range from USD 449 to USD 623, with a median price of USD 514. Search for your specific dates →
- What hidden fees should I expect on Boston to San Luis Obispo flights?
- On average, ancillary fees (bags, seat selection) add USD 55 to the base fare on Boston to San Luis Obispo flights. See itemized fees for your itinerary →
- Which airline is cheapest on Boston to San Luis Obispo including all fees?
- B6 has the lowest median fare on Boston to San Luis Obispo at USD 503 (median across 78 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Boston–San Luis Obispo flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was USD 503. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Boston to San Luis Obispo routes?
- Boston to San Luis Obispo has 6 airlines competing, creating a price range from USD 449 to USD 623 across 300 offers. There are two distinct fare clusters on this route: budget options and premium fares. Find where your trip lands in the distribution →
6 airlines, two price clusters — find which fits your budget
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