Best Flights starting from $146
Economy
Denver (DEN)
Sat, Jul 11
Roundtrip
Seattle (SEA)
Thu, Jul 16
Economy
Denver (DEN)
Sat, Jul 11
Roundtrip
Seattle (SEA)
Fri, Jul 17
Economy
Denver (DEN)
Fri, Jul 10
Roundtrip
Seattle (SEA)
Thu, Jul 16
Economy
Denver (DEN)
Fri, Jul 10
Roundtrip
Seattle (SEA)
Fri, Jul 17
Other Destinations
Denver (DEN) to Mexico City (MEX) in July from $159
From $159
Denver (DEN) to Henry E. Rohlsen (STX) in July from $596
From $596
Denver (DEN) to Nuremberg (NUE) in July from $1,071
From $1,071
Denver (DEN) to Sarajevo (SJJ) in July from $1,117
From $1,117
Denver (DEN) to Nuremberg (NUE) in July from $2,185
From $2,185
Denver (DEN) to Los Angeles (LAX) in August from $158
From $158
Flights from Other Cities
Sacramento (SMF) to Seattle (SEA) in July from $176
From $176
Oakland (OAK) to Seattle (SEA) in July from $197
From $197
Burbank (BUR) to Seattle (SEA) in July from $200
From $200
Kelowna (YLW) to Seattle (SEA) in July from $230
From $230
St Louis (STL) to Seattle (SEA) in July from $240
From $240
Fort Myers (RSW) to Seattle (SEA) in July from $249
From $249
✈️ Flight Guide: Denver (DEN) → Seattle (SEA)
Complete travel information for your July journey
Departing from Denver (DEN) FAQs
Seattle–Tacoma International Airport (SEA) is the primary airport serving the Seattle metro area and Puget Sound region. It offers domestic and international flights, multiple ground transportation options, and several low-cost carrier routes that make finding cheap economy fares easier. For budget travelers, compare fares across carriers and check nearby airports like Boeing Field (King County), Tacoma, and Everett for alternate options.
To find the cheapest economy flights from Seattle–Tacoma International Airport (SEA), use fare-comparison tools (Google Flights, Skyscanner, Momondo) and flexible date searches. Sign up for fare alerts, consider midweek travel, and check competing carriers like Alaska Airlines, Southwest, and Spirit for promotional economy sales. Booking 3–8 weeks ahead for domestic travel often yields the best balance of price and availability.
Seattle–Tacoma International Airport (SEA) offers Link light rail to downtown Seattle, regional buses, rideshares (Uber, Lyft), taxis, rental car facilities, and airport shuttles to nearby cities. The Link light rail provides a budget-friendly way to reach downtown Seattle and connects to transfer points for Bellevue, Redmond, and surrounding suburbs. Always check current schedules and peak-hour pricing before you travel.
Yes, Seattle–Tacoma International Airport (SEA) sees month-specific promotions—summer (June–August) and winter holiday sales (November–December) often feature discounted economy fares. Low-cost carriers and legacy airlines run flash sales tied to events like Fourth of July or Black Friday. For the best deals, subscribe to carrier newsletters and set fare alerts targeted to your preferred months.
From Seattle–Tacoma International Airport (SEA) you can easily access major destinations such as Vancouver BC, Portland, San Francisco, Los Angeles, Las Vegas, Anchorage, and international hubs like Tokyo and London via direct or connecting flights. These connections make SEA a valuable departure point for both budget and premium travelers. Consider multi-city search if you plan to visit nearby destinations like Victoria (BC) or Whidbey Island.
For domestic economy flights from Seattle–Tacoma International Airport (SEA), arrive at least 90 minutes before departure, and 2–3 hours for international departures. Peak travel periods (holidays, summer weekends) may require extra time for security and check-in lines. Use TSA PreCheck or CLEAR to speed through security when available.
Arriving at Seattle (SEA) FAQs
Harry Reid International Airport (LAS) is the primary airport serving Las Vegas and the Mojave Desert region. As a major leisure and convention gateway, LAS offers abundant low-cost carrier options and frequent economy fares, making it a typical cheapest destination from many origins including Seattle–Tacoma International Airport (SEA).
Flights between Seattle–Tacoma International Airport (SEA) and Harry Reid International Airport (LAS) are frequently cheap due to high competition among carriers, strong leisure demand, and frequent promotional pricing aimed at tourist traffic. Legacy and low-cost carriers (Alaska Airlines, Southwest, Spirit) operate multiple daily flights, which keeps economy fares competitive and helps travelers find cheap economy tickets year-round.
From Harry Reid International Airport (LAS) you can easily reach Las Vegas Strip hotels, Henderson, Boulder City, the Grand Canyon, Los Angeles, and Phoenix via direct or connecting ground travel. Nearby destinations like Reno and Salt Lake City are also commonly accessed through short connecting flights, making LAS a hub for tourists exploring the Southwest.
Yes, months like January, February, and September often show cheaper economy fares into Harry Reid International Airport (LAS) because of lower tourism demand after holidays and before peak fall conventions. Conversely, event-heavy months (April for spring breaks, October for conventions) can be pricier. Use fare calendars and alerts to target these cheaper months for economy travel.
Harry Reid International Airport (LAS) offers extensive ground transportation options including shared shuttles, shuttle buses to the Strip, public transit (RTC), taxis, rideshares, and rental cars. Budget travelers should compare shuttle and rideshare pricing, and consider ride-pooling or public transit for the lowest-cost transfers to hotels along the Strip and downtown Las Vegas.
Allow at least 45–60 minutes for domestic connections at Harry Reid International Airport (LAS), and 90–120 minutes for international connections or if you need to collect baggage and recheck. LAS is a busy airport during peak event periods, so build in extra time during major conventions or holidays to avoid missed connections.
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Events & Festivals Affecting SEA to LAS Fares | Economy Travel Tips
Major events and festivals in Las Vegas—such as large conventions, music festivals, and sporting events—can significantly influence economy fare pricing into Harry Reid International Airport (LAS). Event calendars for CES, EDC, and major sports events cause spikes on the SEA–LAS route. Use event-aware searches and avoid major convention dates to find cheap economy fares, or book far in advance when attending an event to lock in space and reasonable prices.
Best Time to Fly SEA to LAS for Cheap Economy Fares
The best time to fly cheaply in economy between Seattle–Tacoma International Airport (SEA) and Harry Reid International Airport (LAS) is during shoulder seasons (January–February and September–November) and midweek days (Tuesday–Thursday). Early booking windows—3–8 weeks for domestic economy and earlier for holiday travel—typically yield the best fares. Use synonyms like 'low-season', 'off-peak', and 'shoulder-months' throughout searches to find the lowest-priced economy tickets.
Direct vs Connecting Flights SEA to LAS | Economy Comparison
Direct nonstop flights between Seattle–Tacoma International Airport (SEA) and Harry Reid International Airport (LAS) are common and usually save time, but one-stop connecting itineraries can occasionally be cheaper in economy. When comparing direct vs connecting flights, factor in total travel time, connection reliability, and the value of savings versus convenience. Use keywords such as 'nonstop economy SEA LAS', 'connecting flights cheapest', and 'layover savings' to guide search optimization.
Airline Comparison for SEA to LAS | Cheapest Economy Options
Alaska Airlines, Southwest Airlines, Spirit Airlines, and Delta commonly operate on the SEA–LAS route. For cheap economy fares, compare base fares and total cost (including bags and seat selection). Alaska and Southwest often provide competitive nonstop schedules with flexible change policies, while Spirit and Frontier may offer lower base fares but higher ancillary fees. Use primary keywords such as 'Alaska cheap fares SEA LAS' and 'Southwest economy SEA to LAS' alongside LSI terms like 'bag fees' and 'fare bundles' to optimize content.
Seasonal Travel Tips for SEA to LAS | Save on Economy Flights
Seasonal tips for cheap economy travel between Seattle–Tacoma International Airport (SEA) and Harry Reid International Airport (LAS): travel in shoulder months (Jan–Feb, Sep–Nov), fly midweek, use fare alerts, and bundle flights with hotels for savings. Winter and summer holiday windows require early booking; early December and post-Christmas offer some of the best economy bargains. Include location modifiers in searches like 'SEA to LAS economy January' and 'cheap flights Seattle Las Vegas September' to surface the best seasonal deals.
SEA to LAS Flight Time & Schedules | Economy Flights
Typical nonstop flight time between Seattle–Tacoma International Airport (SEA) and Harry Reid International Airport (LAS) is approximately 2 hours 40 minutes to 3 hours depending on winds and routing. Multiple daily nonstop schedules are common, especially on carriers like Alaska Airlines and Southwest. For cheapest economy fares, consider red-eye or early-morning departures when schedules are less popular. Use schedule filters on Google Flights or the airlines' sites to find the most convenient times and the lowest economy fares for your dates.
Cheap Flights SEA to LAS | Find Lowest Economy Fares
Cheap flights for economy travelers between Seattle–Tacoma International Airport (SEA) and Harry Reid International Airport (LAS) are driven by competition among carriers, flexible travel dates, and seasonal demand. Primary keywords include 'cheap flights from Seattle', 'Seattle to Las Vegas cheap flights', and 'economy tickets SEA to LAS'. Secondary and LSI keywords such as 'budget airfare', 'low-cost carriers', 'best day to book', 'midweek flights', and 'fare alerts' are used throughout to optimize search relevance. Travelers should compare total-cost fares (including baggage fees) across Alaska Airlines, Southwest, Spirit, and major carriers to secure the cheapest economy options.