Best Flights starting from $328
from$328economy
Washington, D.C. (IAD)
Mon, Jun 1
Roundtrip
Seattle (SEA)
Wed, Jun 3
Fields updated — click View Prices to search ↑
Other Options for This Route
Other Destinations
Washington, D.C. (IAD) to Orlando (MCO) in June from $88
From $88
Washington, D.C. (IAD) to San Juan (SJU) in June from $264
From $264
Washington, D.C. (IAD) to Salt Lake City (SLC) in June from $289
From $289
Washington, D.C. (IAD) to Sacramento (SMF) in June from $299
From $299
Washington, D.C. (IAD) to San Pedro Sula (SAP) in June from $347
From $347
Washington, D.C. (IAD) to Montreal (Any) in June from $386
From $386
Flights from Other Cities
Chicago (ORD) to Seattle (SEA) in June from $148
From $148
San Antonio (SAT) to Seattle (SEA) in June from $215
From $215
Knoxville (TYS) to Seattle (SEA) in June from $219
From $219
Burbank (BUR) to Seattle (SEA) in June from $226
From $226
Chicago (ORD) to Seattle (SEA) in June from $233
From $233
Austin (AUS) to Seattle (SEA) in June from $241
From $241
✈️ Flight Guide: Washington, D.C. (IAD) → Seattle (SEA)
Complete travel information for your June journey
Departing from Washington, D.C. (IAD) FAQs
Seattle–Tacoma International Airport (SEA) has a single central terminal with Concourses A, B and C serving domestic and international flights. Major carriers operating from SEA include Alaska Airlines (hub), Delta Air Lines, American Airlines, Southwest, United and select low-cost carriers; international carriers serve seasonal and year-round routes. Check the Port of Seattle or your airline for terminal and gate updates before departure.
To find the cheapest economy fares from Seattle–Tacoma International Airport (SEA) this month, compare prices on metasearch engines like Google Flights, Skyscanner and Kayak, set price alerts, and search flexible dates. Book on weekdays for lower fares, consider early-morning or red-eye flights, and look at nearby budget gateways such as Las Vegas, Phoenix and Los Angeles for the most competitive economy ticket prices.
SEA provides a range of parking options from economy surface lots to covered garages, plus off-site shuttles with lower daily rates. For cost savings, book long-term parking in advance or use ride-share, Link light rail or airport shuttles; the Sound Transit Link connects downtown Seattle to SEA affordably and reliably.
Yes — during December, many carriers add seasonal and increased frequencies for holiday demand, including more economy class seats and additional flights to leisure destinations. Low-cost carriers often open limited-time routes for the winter holiday period; check airline schedules and book early to secure the best economy fares.
SEA offers free Wi-Fi, charging stations, family rooms, and food halls accessible to economy passengers, while premium lounges like Alaska Lounge, Delta Sky Club and partner lounges are available for paid access or eligible members. Economy travelers can also use pay-per-use lounges or day passes where available to improve comfort before departure.
June often brings higher demand as summer travel ramps up, so last-minute bargains are less common; however, early May and late August can hold sale windows for economy fares. Use fare-tracking tools and monitor low-cost carriers' newsletters to catch weekday flash sales and economy-class discounts for travel departing SEA.
Arriving at Seattle (SEA) FAQs
'Cheapest Arrival Airport (economy)' refers to prioritizing the lowest-cost arrival airport or route when booking economy-class tickets. This approach often includes searching multiple destination airports and flexible dates to capture the best budget fares, even if the airport is slightly farther from your final destination.
Budget-friendly arrival airports commonly serve major cities such as Las Vegas, Los Angeles, Phoenix, San Diego and Reno, which often have high-frequency low-cost carrier service and competitive economy fares. Even if these airports are not adjacent to your final city, they can unlock substantial savings with a short domestic connection or ground transfer.
Yes — while the base fare might be lower, factor in baggage fees, transport from the airport to the city center, overnight stays and potential fuel surcharges. Calculate total door-to-door cost including ground transit and baggage to ensure you actually save money.
In July, travel demand is high, so book connecting flights with ample layover time to avoid missed connections; choose airlines that offer protected connections where possible. Consider travel insurance or flexible tickets for economy itineraries during peak summer months.
Many budget-friendly airports offer cost-effective public transit and ride-share options; for example, Las Vegas and Los Angeles have many ground transport choices ranging from shuttle buses to public transit lines. Research transit costs and time to your final destination to weigh savings versus convenience.
Yes — November often features fare sales and lower demand outside Thanksgiving; smaller or secondary airports may release promotional economy fares during airline sale events. Sign up for newsletters and set alerts to catch these November-specific deals.
1.0.2602.27
Events & Festivals Affecting Economy Fares — Seattle (SEA) & Budget Arrival Cities
January: Seattle Restaurant Week can raise local demand; Las Vegas has convention season influencing fares. February: Super Bowl and major conventions often increase fares into host cities; avoid peak dates if you want the cheapest economy tickets. March: Spring break spikes in March for many warm-weather destinations like Los Angeles and San Diego. April–May: Music festivals and conference seasons in major hubs (LA, Vegas) can push prices up. June–August: Peak summer events — music festivals, Pride events, and large conventions — drive up economy fares; book early. September–October: Fall festivals and conferences moderate demand offering shoulder-season savings. November: Major shopping events and Thanksgiving increase demand; early November may offer sale windows. December: Holiday travel peaks around Christmas and New Year, raising economy fares significantly. CTA: Check event calendars before booking economy flights from Seattle–Tacoma International Airport (SEA) to the cheapest arrival airports to avoid price spikes.
Best Time to Fly Economy from Seattle–Tacoma International Airport (SEA) to Cheap Arrival Airports
The best time to fly economy from Seattle–Tacoma International Airport (SEA) to the cheapest arrival airports is typically during shoulder seasons (September–October and January–February) and midweek (Tuesdays and Wednesdays). Booking 6–8 weeks in advance for domestic economy travel often yields good value, while peak summer and holiday periods require earlier booking. Early-morning and red-eye departures usually have lower demand and therefore cheaper economy fares. CTA: Compare fare calendars and book your economy seat from SEA during shoulder season for the best savings.
Direct vs Connecting Flights — Cost & Time Tradeoffs from Seattle–Tacoma International Airport (SEA)
Connecting flights often deliver the cheapest economy fares from Seattle–Tacoma International Airport (SEA), especially when flying to smaller or less-served airports. Nonstop flights save time and reduce the risk of missed connections but can be more expensive in economy class. Common layover hubs for cheap SEA itineraries include Los Angeles (LAX), San Francisco (SFO), Denver (DEN) and Phoenix (PHX). When choosing connecting flights, allow generous layover times (at least 90 minutes for domestic connections) and prioritize the same-airline itineraries if possible to protect your connection. CTA: Compare nonstop and connecting economy options from Seattle–Tacoma International Airport (SEA) and choose the best balance of price and convenience.
Airline Comparison for Economy Flights from Seattle–Tacoma International Airport (SEA)
Alaska Airlines: Hub carrier at Seattle–Tacoma International Airport (SEA) with strong West Coast and nationwide networks, often competitive economy fares and a generous loyalty program. Southwest: Known for low base fares and two free checked bags, often offering excellent economy savings to budget arrival airports. Delta/United/American: Major network carriers offering wide schedules, reliability and more amenities but sometimes higher economy base fares; look for sales. Ultra-low-cost carriers (Spirit, Frontier): Deliver the lowest base economy fares but charge for seat selection, carry-on and checked bags — factor in ancillary fees. Compare total cost (fare + baggage + seat fees) when searching for the cheapest economy option. CTA: Use airline filters on fare search engines to compare total economy costs from Seattle–Tacoma International Airport (SEA) to cheap arrival airports.
Seasonal Travel Tips for Economy Flyers — Seattle–Tacoma International Airport (SEA)
Winter (Dec–Feb): Expect weather disruptions and higher holiday fares; pack layers in carry-on, allow extra time for connections, and consider refundable or flexible economy fares. Spring (Mar–May): Shoulder season yields lower fares; book early for spring-break dates and travel midweek for savings. Summer (Jun–Aug): Peak season requires early planning, flexible routing and possibly one-stop connections to reduce economy costs. Fall (Sep–Nov): Use shoulder-season pricing to find the best economy fares; consider late-evening departures and midweek travel. General tips: always check baggage and seat fees for low-cost carriers, set price alerts, consider alternative airports for cheaper arrivals, and calculate total trip cost (fare + baggage + transfers) before booking. CTA: Apply these seasonal tips when searching for economy flights from Seattle–Tacoma International Airport (SEA) to get the best value.
Flight Times & Schedules — Seattle–Tacoma International Airport (SEA) to Budget Airports (Economy)
Sample flight durations from Seattle–Tacoma International Airport (SEA) to common budget arrival airports: Seattle to Las Vegas (LAS) ~2 hours 45 minutes nonstop; SEA to Los Angeles (LAX) ~2 hours 45 minutes nonstop; SEA to Phoenix (PHX) ~2 hours 55 minutes nonstop; SEA to San Diego (SAN) ~3 hours; SEA to Denver (DEN) ~3 hours 30 minutes. Economy fares frequently include early-morning and late-night options that can be cheaper; use flight schedules to choose less popular times and reduce fares. For one-stop itineraries, add typical layover times of 1–3 hours for connecting flights, and allow extra time during holiday peaks. CTA: Check live schedules and filter by shortest duration or lowest fare for economy class flights from Seattle–Tacoma International Airport (SEA).
Cheap Flights from Seattle–Tacoma International Airport (SEA) to Budget Arrival Airports — Economy Tips
To find cheap flights from Seattle–Tacoma International Airport (SEA) to budget arrival airports in economy class, start by searching flexible dates and nearby airports using Google Flights or Skyscanner. Set multiple price alerts, compare one-stop vs nonstop options, and check low-cost carriers such as Southwest and Spirit for no-frills fares. Use keywords like 'cheap flights from Seattle', 'Seattle economy fares', and 'budget flights SEA' when searching, and book midweek departures to capture the lowest prices. Always calculate the total trip cost including baggage and ground transfer to your final destination. CTA: Start a price alert now for cheap economy flights from Seattle–Tacoma International Airport (SEA).