Best Flights starting from $369
from$369economy
Mexico City (MEX)
Sun, Sep 13
Roundtrip
Seattle (SEA)
Mon, Sep 14
from$398economy
Mexico City (MEX)
Mon, Sep 14
Roundtrip
Seattle (SEA)
Tue, Sep 15
from$402economy
Mexico City (MEX)
Tue, Sep 8
Roundtrip
Seattle (SEA)
Wed, Sep 9
from$409economy
Mexico City (MEX)
Wed, Sep 9
Roundtrip
Seattle (SEA)
Thu, Sep 10
from$409economy
Mexico City (MEX)
Sat, Sep 12
Roundtrip
Seattle (SEA)
Sun, Sep 13
from$419economy
Mexico City (MEX)
Thu, Sep 10
Roundtrip
Seattle (SEA)
Fri, Sep 11
from$430economy
Mexico City (MEX)
Fri, Sep 11
Roundtrip
Seattle (SEA)
Sat, Sep 12
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Other Destinations
Mexico City (MEX) to Tijuana (TIJ) in September from $152
From $152
Mexico City (MEX) to Denver (DEN) in September from $290
From $290
Mexico City (MEX) to Salt Lake City (SLC) in September from $494
From $494
Mexico City (MEX) to Minneapolis (MSP) in September from $532
From $532
Mexico City (MEX) to San Diego (SAN) in September from $573
From $573
Mexico City (MEX) to Chicago (ORD) in October from $183
From $183
Flights from Other Cities
Los Angeles (LAX) to Seattle (SEA) in September from $154
From $154
Washington, D.C. (BWI) to Seattle (SEA) in September from $219
From $219
Sacramento (SMF) to Seattle (SEA) in September from $249
From $249
Juneau (JNU) to Seattle (SEA) in September from $255
From $255
Atlanta (ATL) to Seattle (SEA) in September from $287
From $287
San Luis Obispo (SBP) to Seattle (SEA) in September from $337
From $337
✈️ Flight Guide: Mexico City (MEX) → Seattle (SEA)
Complete travel information for your September journey
Departing from Mexico City (MEX) FAQs
To find cheap flights from Seattle–Tacoma International Airport (SEA) this month, compare prices across low-cost carriers and legacy airlines, use flexible date search tools, and set price alerts. Booking 3–7 weeks in advance for domestic routes and 6–12 weeks for international routes often nets the lowest economy fares. Check mid-week departures and late-night flights to capture the cheapest ticket inventory.
Seattle–Tacoma International Airport (SEA) serves routes to major hubs such as San Francisco (SFO), Los Angeles (LAX), Portland (PDX), Vancouver (YVR), Denver (DEN), and New York (JFK/EWR). Travelers also use SEA for direct and connecting flights to destinations like Anchorage, Las Vegas, and Honolulu. These cities are frequently searched with modifiers like 'cheap flights' and 'economy class'.
Economy travelers should arrive at least 90 minutes before domestic departures and 2–3 hours before international flights to allow for check-in, security, and possible long TSA lines. Take advantage of mobile check-in, TSA PreCheck if available, and carry-on packing rules to avoid checked baggage fees. Use the airport's parking and ground transportation pages to find the lowest-cost options and off-site shuttles.
Yes — historically, late January through early March and mid-September to October offer lower demand and better economy fares on many routes from Seattle–Tacoma International Airport (SEA). Shoulder seasons and post-holiday windows often yield discounted tickets. Sign up for airline newsletters and follow low-fare alerts for flash sales tied to those months.
To save on baggage and seat fees at Seattle–Tacoma International Airport (SEA), pack carry-on only when possible, join the airline’s loyalty program for complimentary or reduced fees, and book bundled fares only if they offer value. Compare airlines’ basic economy vs standard economy rules; basic economy may be cheaper but often excludes seat selection and changes.
Holiday travel in December increases demand, so expect higher economy fares and longer security lines at Seattle–Tacoma International Airport (SEA). Book 8–12 weeks in advance, consider flying on holiday mornings or red-eye routes to save money, and arrive earlier than normal to account for crowds. Also check flexible ticket options in case schedules change.
Arriving at Seattle (SEA) FAQs
Cheapest Economy Fare (ECONOMY) usually covers a single basic seat on the aircraft with limited or no checked baggage allowance, restricted seat selection, and strict change or cancellation policies. Some airlines allow one small personal item in basic economy but charge for carry-on bags — always check the airline’s specific policy before booking. Compare bundled economy fares if you need greater flexibility.
Plan affordable ground transport by researching public transit, shuttle services, and rideshares at your arrival airport. Many airports offer express rail or bus links to major cities — for example, arriving passengers often use local transit to reach nearby major cities like Portland, San Francisco, Los Angeles, Vancouver, and New York depending on the route. Pre-booking a shuttle or checking transit schedules reduces last-minute costs and ensures smoother arrival on a budget.
Cheapest economy fares often use connecting itineraries and may include longer layovers to lower price. Overnight connections can save money but add travel fatigue; weigh savings against convenience. When booking, filter for maximum acceptable layover time and prefer single-connection routes through efficient hubs like Denver (DEN) or Los Angeles (LAX) for smoother transfers.
Cheap economy arrivals often connect travelers to major cities such as San Francisco, Los Angeles, Portland, Vancouver, Denver, and New York. Even if your arrival airport isn't a major hub, budget-conscious travelers commonly use regional transit or short domestic flights to access those top destinations. Use multi-city or open-jaw search strategies to optimize routes and costs.
Arrival month heavily affects prices; August and December typically carry peak demand and higher economy fares, while late January and September often show lower rates. Travel to busy event cities or festival months will inflate arrival costs, so if you need the cheapest economy ticket, target shoulder months and be flexible with dates. Use fare alerts and book early for holiday months.
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Events & Festivals That Affect Flight Prices from Seattle–Tacoma International Airport (SEA)
Major events that typically push up fares at Seattle–Tacoma International Airport (SEA) include Seafair (July), major Seahawks and Mariners home games, Bumbershoot (September), and holiday weekends. Nearby city events — e.g., San Francisco Fleet Week, Los Angeles film festivals, and New York fashion weeks — can also push cross-country economy fares up. Plan ahead for event weekends: either buy early, fly on off-peak days, or consider alternate nearby airports to keep your ticket an inexpensive economy option. CTA: Check event calendars before booking to avoid inflated fares and find cheap economy alternatives.
Best Time to Fly from Seattle–Tacoma International Airport (SEA) — Cheapest Months & Windows
The best time to fly from Seattle–Tacoma International Airport (SEA) for cheap economy fares is typically in the shoulder months of late January through March and September through early November. Midweek departures (Tuesday–Thursday) and red-eye flights often yield the lowest prices. Avoid major holidays like Thanksgiving and the weeks around Christmas/New Year if you want the cheapest fares. Use price alerts and flexible-date calendars to identify exact windows for targeted routes.
Direct vs Connecting Flights from Seattle–Tacoma International Airport (SEA) — Economy Considerations
Direct flights from Seattle–Tacoma International Airport (SEA) offer faster travel and fewer transfer risks but usually cost more in economy class. Connecting flights, often routed via hubs like Denver (DEN) or Los Angeles (LAX), can substantially lower ticket prices but add layover time. For cheapest economy fares, be prepared to accept one-stop itineraries and longer travel windows; for comfort and fewer disruptions, prioritize nonstops and be willing to pay a premium. CTA: Compare direct and connecting flight prices from SEA to find the best economy balance for your trip.
Airline Comparison for Economy Travelers Departing Seattle–Tacoma International Airport (SEA)
Alaska Airlines typically offers strong West Coast connectivity from Seattle–Tacoma International Airport (SEA) with a mix of competitive economy and premium fares; their loyalty program can offset baggage costs. Delta Air Lines provides broad domestic and transcontinental options with good schedules but sometimes higher economy pricing. United and American can offer cheaper one-stop options via large hubs like Denver (DEN) or Chicago (ORD). Southwest often delivers competitive economy pricing with two free checked bags but variable route coverage. When optimizing for cheapest economy fares, compare basic economy restrictions, baggage fees, and total trip cost (including ground transport) rather than just base fare. CTA: Use our comparison tool to search cheapest economy flights from SEA across airlines.
Seasonal Travel Tips for Economy Travelers — Seattle–Tacoma International Airport (SEA)
Winter: Expect rain and occasional weather delays at Seattle–Tacoma International Airport (SEA); pack waterproof layers and allow extra time for transfers. Spring: Shoulder-season discounts appear — travel midweek and use carry-on-only strategies to save on economy fares. Summer: Book early for peak months and account for event-driven price spikes; consider flying into alternate airports to find cheaper economy seats. Fall: September and October are ideal for low fares and comfortable weather — take advantage of flexible-date searches and midweek travel. CTA: Use these seasonal tips when searching cheap flights from SEA to secure the best economy fares.
Flight Times & Schedules from Seattle–Tacoma International Airport (SEA) — Economy Overview
Typical non-stop flight durations from Seattle–Tacoma International Airport (SEA) include: to Portland (PDX) ~45 minutes, to San Francisco (SFO) ~2 hours, to Los Angeles (LAX) ~2 hours 45 minutes, to Denver (DEN) ~3 hours, to New York (JFK/EWR) ~5–6 hours, and to Vancouver (YVR) ~50 minutes. Economy travelers should book morning or late-evening departures for lower fares and possibly better on-time performance. Use schedule filters for 'nonstop' if you prioritize time over saving money, or select one-stop itineraries via hubs like Denver or Los Angeles to reduce economy ticket prices.
Cheap Flights from Seattle–Tacoma International Airport (SEA) — Economy Fare Strategies
To find cheap flights from Seattle–Tacoma International Airport (SEA) in economy class, combine flexible date searches, price alerts, multi-airline one-way bookings, and alternate airport strategies. Primary keywords such as 'cheap flights from Seattle' and 'SEA economy fares' should appear in titles and meta descriptions. Secondary keywords like 'budget flights', 'low fare Seattle', and LSI phrases such as 'discount airfare Seattle to Los Angeles' help attract broad search queries. CTA: Use our fare comparison tips and search cheap flights from SEA now to capture limited-time economy deals.