Best Flights starting from $289
from$289economy
San Luis Obispo (SBP)
Sat, Jun 27
Roundtrip
Denver (DEN)
Sat, Jul 4
from$309economy
San Luis Obispo (SBP)
Thu, Jun 25
Roundtrip
Denver (DEN)
Thu, Jul 2
from$309economy
San Luis Obispo (SBP)
Fri, Jun 26
Roundtrip
Denver (DEN)
Fri, Jul 3
from$309economy
San Luis Obispo (SBP)
Sun, Jun 28
Roundtrip
Denver (DEN)
Sun, Jul 5
from$309economy
San Luis Obispo (SBP)
Tue, Jun 30
Roundtrip
Denver (DEN)
Tue, Jul 7
from$323economy
San Luis Obispo (SBP)
Mon, Jun 29
Roundtrip
Denver (DEN)
Mon, Jul 6
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Other Destinations
San Luis Obispo (SBP) to Atlanta (ATL) in June from $369
From $369
San Luis Obispo (SBP) to Seattle (SEA) in August from $337
From $337
San Luis Obispo (SBP) to Seattle (SEA) in September from $337
From $337
San Luis Obispo (SBP) to Seoul (ICN) in September from $1,217
From $1,217
San Luis Obispo (SBP) to Oakland (OAK) in October from $162
From $162
San Luis Obispo (SBP) to Las Vegas (LAS) in November from $431
From $431
Flights from Other Cities
Appleton (ATW) to Denver (DEN) in June from $136
From $136
Newark (EWR) to Denver (DEN) in June from $147
From $147
San Francisco (SFO) to Denver (DEN) in June from $163
From $163
Detroit (DTW) to Denver (DEN) in June from $174
From $174
Springfield (SGF) to Denver (DEN) in June from $199
From $199
Charlotte (CLT) to Denver (DEN) in June from $226
From $226
✈️ Flight Guide: San Luis Obispo (SBP) → Denver (DEN)
Complete travel information for your June journey
Departing from San Luis Obispo (SBP) FAQs
To find cheap flights from Denver International Airport (DEN), monitor fare calendars, set price alerts, and be flexible with dates and airports. Use a mix of low-cost carriers and legacy airlines, check mid-week departures, and book 6–8 weeks in advance for domestic economy seats. Consider flying red-eye routes or early-morning flights to access the lowest fares and sign up for airline newsletters for flash sales.
For domestic economy departures from Denver International Airport (DEN), arrive at least 90 minutes before departure, and 2 hours for busier travel periods or if you need to check luggage. Security lines vary by time of day and season; mornings and holiday peaks can be slower, so allow extra time. If flying with carry-on only and using TSA PreCheck, 60–75 minutes can sometimes be sufficient but plan conservatively.
Yes. Denver International Airport (DEN) is a major hub served by several low-cost carriers and ultra-low-cost airlines that offer cheap economy fares to destinations like Los Angeles, Las Vegas, Phoenix, Chicago, and Orlando. Combining budget airlines with flexible dates and booking single-leg tickets can yield significant savings, but check baggage and change fees to avoid unexpected costs.
Historically, January (after New Year) and September (after Labor Day) are among the cheapest months to fly from Denver International Airport (DEN) for many domestic economy routes due to lower demand. Shoulder seasons like late February and October can also produce good bargains for both domestic and select international routes. Use monthly fare calendars and set alerts to lock in deals when prices drop.
For last-minute economy deals from Denver International Airport (DEN) in December, check airline last-minute sale pages, flexible dates, and be willing to accept connecting flights or odd departure times. December sees high holiday demand, so last-minute savings are rarer; consider nearby airports, split itineraries, or travel midweek for lower fares. Sign up for real-time alerts and mobile notifications to react quickly to short-lived discounts.
Denver International Airport (DEN) is linked by the A Line rail service to downtown Denver, and numerous shuttle services, rental cars, rideshares, and intercity buses provide access to Boulder, Colorado Springs, Fort Collins, Vail, and Aspen. Travel times vary — downtown Denver is about 37 minutes by A Line, Colorado Springs is roughly 70–90 minutes by car, and mountain destinations like Vail or Aspen take 2–4 hours depending on conditions. Book shuttles early during ski season to guarantee seats.
Arriving at Denver (DEN) FAQs
Cheapest Economy (ECO) represents the most affordable cabin options typically offered by airlines, prioritizing low base fare over extra perks such as checked bags or seat selection. These fares are common on routes accessible from Denver and include top destinations like Los Angeles, Las Vegas, New York City, Chicago, Phoenix, and Orlando. Always read fare rules for change and baggage fees before booking.
To find the cheapest economy routes to popular arrival destinations, use flexible-date searches, multi-airline comparisons, and price alerts. Search nearby airports and alternate days of the week; flying midweek or using early-morning and late-night arrivals often lowers cost. Combine low-cost carrier legs and be mindful of connection times to avoid missed connections.
Most Cheapest Economy (ECO) fares do not include free checked baggage or advanced seat selection; these are commonly add-on fees. Some airlines include a small personal item only, so confirm baggage policies during booking to prevent unexpected charges. Consider purchasing bundles or bundled ‘basic plus’ fares if seat assignment and a checked bag are essential.
Cheap economy arrival fares to and from Denver International Airport (DEN) are usually found in January, late February, September, and October when demand is lower. Shoulder seasons before and after peak summer and winter holidays often provide the best value—use fare calendars and alerts to spot deals. Travel midweek to maximize savings.
If your economy flight arrives at Denver International Airport (DEN) from an international origin, allow 60–120 minutes for customs and immigration depending on time of day and number of international arrivals. Use Global Entry if eligible to significantly reduce processing time. Check arrival terminal information and plan ground transportation with buffer time for processing delays.
After arriving on cheapest economy flights, travelers often connect to destinations such as Los Angeles, Las Vegas, Phoenix, New York City, Chicago, Orlando, and nearby Colorado cities like Boulder and Colorado Springs. Budget travelers frequently use shuttles, regional flights, or ground transport to continue to resorts and secondary cities. Plan multi-modal transport in advance for the best value.
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Events & Festivals Impacting Flights — Denver International Airport (DEN) & Major Destinations
Major events and festivals dramatically influence economy fares from Denver International Airport (DEN) and ECO arrival pricing. In Denver, the Great American Beer Festival (September), National Western Stock Show (January), and Red Rocks concert seasons create localized demand spikes. National events—Super Bowl, major conferences, Comic-Con in San Diego, and music festivals—also push up fares on routes to and from hubs like Los Angeles and Las Vegas. To avoid inflated prices, book far in advance, consider alternate travel dates, and check nearby airports. CTA: Check event dates and compare DEN economy fares early.
Best Time to Fly — Cheapest Economy (ECO) & Denver (DEN) Seasonal Guide
The best time to fly cheaply from Denver International Airport (DEN) and to secure cheapest economy fares is typically during shoulder seasons: January (post-holiday), September, and October. Off-peak midweek travel and red-eye flights also frequently offer lower fares. For winter-sport travelers, book early for peak ski season; for summer travel, secure reservations 8–12 weeks in advance. CTA: Set price alerts for your travel window to capture the lowest fares.
Direct vs. Connecting Flights — Denver International Airport (DEN) Economy Choices
Connecting flights can significantly reduce ticket prices compared to nonstop options from Denver International Airport (DEN), especially for Cheapest Economy (ECO) travelers willing to accept longer travel times. However, connections introduce risks—longer total journey times, potential missed connections, and separate-ticket pitfalls with carryover baggage. Nonstop flights offer convenience and lower disruption risk but often cost more. For best savings, compare multi-carrier itineraries with adequate layover windows and consider booking protections for tight connections. CTA: Compare direct and connecting fare options from DEN to find the cheapest economy route.
Airline Comparison — Low-Cost vs Legacy Carriers from Denver International Airport (DEN)
At Denver International Airport (DEN), low-cost carriers like Frontier, Spirit, and Southwest often provide the cheapest economy base fares but charge for checked bags, carry-on priority, and seat assignments. Legacy carriers (United, American, Delta) offer more inclusive economy fares on certain routes and better protections for connections but at higher base prices. Compare total trip cost (fare + baggage + seat fees) and check bundled 'basic plus' options. CTA: Use an airline comparison tool and include Denver (DEN) in your search to find the best ECO option.
Seasonal Travel Tips — Denver International Airport (DEN) & Cheapest Economy (ECO) Travelers
Winter: Prepare for weather delays at Denver International Airport (DEN) and allow extra time for de-icing; book shuttles to mountain resorts early and consider travel insurance for cheapest economy tickets. Spring: Watch spring-break schedules and aim for early/late-month travel to save. Summer: Book early for family travel and consider midweek departures. Fall: Shoulder-season months (September–October) often deliver the best economy fares—be flexible with dates and airports. CTA: Review seasonal tips and set fare alerts for DEN economy bargains.
Flight Time and Schedules — Denver International Airport (DEN) Connections & ECO Routes
Flight durations from Denver International Airport (DEN) vary by destination: to Los Angeles (LAX) ~2 hours 15 minutes, Las Vegas (LAS) ~1 hour 45 minutes, New York City (JFK/EWR) ~3 hours 45–4 hours, Chicago (ORD) ~2 hours 30 minutes, Orlando (MCO) ~3 hours 30 minutes. Cheapest economy schedules often populate early-morning and late-night slots; midweek flights tend to have more low-fare availability. For international arrivals to DEN, plan for additional customs time; domestic connecting schedules should include at least 60–90 minutes to allow for delays. CTA: Review up-to-date schedules and compare cheap DEN economy options now.
How to Find Cheap Flights from Denver International Airport (DEN) — Budget Guide
Finding cheap flights from Denver International Airport (DEN) requires a mix of flexible travel dates, monitoring fare alerts, and comparing carriers. Primary strategies include booking 6–8 weeks ahead for domestic travel, searching midweek departures, and using low-cost carriers for one-way legs. For Cheapest Economy (ECO) arrivals, search multi-airline itineraries and consider nearby arrival airports like Los Angeles (LAX), Las Vegas (LAS), Phoenix (PHX), New York City (JFK/EWR/LGA), and Chicago (ORD). Use CTA: Sign up for fare alerts and search DEN economy deals today.