Best Flights starting from $230
from$230economy
Seattle (SEA)
Sat, May 23
Roundtrip
Chicago (ORD)
Tue, May 26
from$250economy
Seattle (SEA)
Tue, May 19
Roundtrip
Chicago (ORD)
Fri, May 22
from$250economy
Seattle (SEA)
Sun, May 24
Roundtrip
Chicago (ORD)
Wed, May 27
from$250economy
Seattle (SEA)
Mon, May 25
Roundtrip
Chicago (ORD)
Thu, May 28
from$259economy
Seattle (SEA)
Wed, May 20
Roundtrip
Chicago (ORD)
Sat, May 23
from$290economy
Seattle (SEA)
Thu, May 21
Roundtrip
Chicago (ORD)
Sun, May 24
from$309economy
Seattle (SEA)
Fri, May 22
Roundtrip
Chicago (ORD)
Mon, May 25
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Other Destinations
Seattle (SEA) to Los Angeles (LAX) in May from $44
From $44
Seattle (SEA) to San Francisco (SFO) in May from $49
From $49
Seattle (SEA) to Phoenix (PHX) in May from $69
From $69
Seattle (SEA) to Las Vegas (LAS) in May from $87
From $87
Seattle (SEA) to Boise (BOI) in May from $89
From $89
Seattle (SEA) to Phoenix (PHX) in May from $97
From $97
Flights from Other Cities
Tampa (TPA) to Chicago (ORD) in May from $34
From $34
Denver (DEN) to Chicago (ORD) in May from $56
From $56
Miami (Any) to Chicago (ORD) in May from $56
From $56
Tampa (Any) to Chicago (ORD) in May from $64
From $64
New York (JFK) to Chicago (ORD) in May from $69
From $69
Dallas (DFW) to Chicago (ORD) in May from $73
From $73
✈️ Flight Guide: Seattle (SEA) → Chicago (ORD)
Complete travel information for your May journey
Departing from Seattle (SEA) FAQs
To find the cheapest economy fares from Chicago O'Hare International Airport (ORD), compare prices across aggregators like Google Flights, Skyscanner, and airline sites, set flexible date searches, and enable price alerts. Consider flying midweek, using nearby alternative airports (Milwaukee Mitchell (MKE) or Chicago Midway (MDW)), and booking 6–8 weeks in advance for domestic routes to secure budget-friendly economy tickets.
Carry-on and checked bag allowances in economy vary by airline: low-cost carriers like Spirit or Frontier often charge for both carry-ons and checked bags, while legacy carriers include one personal item and sometimes a carry-on. Always check your airline's baggage policy before departure from Chicago O'Hare International Airport (ORD) to avoid unexpected fees; pre-purchasing baggage online is usually cheaper than at the gate.
Yes — January is a prime month for discounted economy fares from Chicago O'Hare International Airport (ORD) to warm destinations like Orlando International Airport (MCO), Fort Lauderdale-Hollywood International (FLL), and Cancun International Airport (CUN) due to lower demand after the holidays. Use flexible-date tools and sign up for fare alerts to capture post-holiday sales typically released in early January.
For domestic economy departures from Chicago O'Hare International Airport (ORD), plan to arrive at least 90 minutes before departure; for peak travel periods or if you need to check bags, arrive 2 hours early. ORD is a large hub with variable security lines, so add extra buffer during holidays, Chicago events, and severe weather.
The cheapest months to fly economy from Chicago O'Hare International Airport (ORD) to West Coast cities like Los Angeles (LAX) and Las Vegas (LAS) are typically January through March and late September through November, when demand is lower. Use fare calendars and avoid major holidays to maximize savings on ORD-to-West Coast routes.
Many carriers now offer basic change options, but the cheapest economy fares often have strict change and refund policies; some airlines sell 'basic economy' with no changes permitted. When booking from Chicago O'Hare International Airport (ORD), review fare rules closely and consider paying slightly more for a standard economy or adding a flexible fare to avoid steep change fees.
Arriving at Chicago (ORD) FAQs
The cheapest economy fare (ECONOMY) typically includes a seat in the economy cabin and a personal item; carry-on and checked baggage may not be included depending on the airline. On arrival, expect minimal complimentary services; review your booking for baggage allowances and consider adding extras before your flight to avoid higher airport fees.
Popular arrival airports that frequently offer low economy fares from Chicago O'Hare International Airport (ORD) include Orlando International Airport (MCO), Las Vegas Harry Reid International (LAS), Denver International Airport (DEN), Hartsfield-Jackson Atlanta International (ATL), and Cancun International Airport (CUN). Prices vary by season and airline sales, so compare routes and dates for best results.
Yes — February often shows fare reductions from Chicago O'Hare International Airport (ORD) to Mexico destinations like Cancun (CUN) and Puerto Vallarta (PVR) as travel demand softens after the holiday surge. Use flexible-date searches and sign up for alerts to capture short-term fare drops for economy arrivals in February.
Arrival in the cheapest economy fare typically means minimal extras, so plan ahead for ground transportation: compare ride-share pick-up points, airport shuttles, and public transit options at your arrival airport. For popular arrival cities like Orlando (MCO) and Las Vegas (LAS), shuttles and economy bus services can offer the best value after landing.
Arrival times at immigration and customs vary by destination; cheapest economy travelers should factor in longer queues during peak arrival windows and ensure all travel documents are ready to speed processing. Use mobile passport control where available and verify visa requirements in advance to avoid delays that can increase onward travel costs.
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Events & Festivals Impacting ORD Airfares — Plan Cheap Economy Travel Around Major Dates
Best Time to Fly — Maximize Savings on Cheapest Economy Fares from ORD
The best time to fly for cheapest economy fares from Chicago O'Hare International Airport (ORD) is generally during shoulder seasons (September–November, January–March) and midweek. Booking window recommendations: domestic economy — 1–3 months out for peak seasons and 2–8 weeks for off-peak. For international and high-demand holiday routes, book 3–6 months in advance. Use fare calendars and price alerts to capture short-term sales and last-minute reductions.
Direct vs Connecting Flights — Choosing Economy Routes from ORD
Direct flights from Chicago O'Hare International Airport (ORD) are faster and reduce the risk of missed connections, but connecting itineraries often yield lower economy fares, especially with low-cost carriers. If saving money is the priority, consider 1-stop itineraries with reasonable layovers (90–120 minutes) and book through the same airline or alliance to protect connections. For the absolute cheapest fares, multi-carrier self-transfer routes can be cheaper but carry higher risk and require more time between flights.
Airline Comparison — Cheapest Economy Carriers Serving Chicago O'Hare International Airport (ORD)
Low-cost carriers serving Chicago O'Hare International Airport (ORD) — Spirit and Frontier — often offer the lowest base fares in cheapest economy but charge separately for carry-on, seat selection, and checked bags. Southwest and Allegiant typically include more flexible baggage policies or bundled perks but may have higher base fares. Legacy carriers like United and American provide more consistent schedules and included services on some economy fares. Consider total price (fare + fees) and route convenience when choosing an airline for the cheapest economy fare from ORD. CTA: Compare total-cost pricing across carriers before you book economy flights from ORD.
Seasonal Travel Tips — Save on Cheapest Economy Fares from ORD
Winter (Dec–Feb): Book early for holiday travel and consider flying early-December or post-holiday for lower economy fares; pack layers for winter weather delays. Spring (Mar–May): Use shoulder-season discounts, watch spring-break windows, and target weekdays for cheapest economy prices. Summer (Jun–Aug): Expect higher base fares—book 6–8 weeks ahead, consider red-eyes, and monitor low-cost carriers for flash sales. Fall (Sep–Nov): One of the best times for cheap economy travel—target September and October for bargain fares and shorter queues. CTA: Apply these seasonal tactics when searching for economy tickets from ORD to maximize savings.
Flight Time & Schedules — From Chicago O'Hare International Airport (ORD) to Key Destinations
Typical nonstop flight durations from Chicago O'Hare International Airport (ORD): to Orlando International Airport (MCO) ~2h 20m, to Las Vegas Harry Reid International (LAS) ~4h 15m, to Denver International Airport (DEN) ~2h 30m, to Hartsfield-Jackson Atlanta (ATL) ~1h 55m, to Cancun International Airport (CUN) ~3h 40m. Schedules vary seasonally and by carrier; low-cost carriers often schedule flights at off-peak hours to lower operating costs.
Cheap Flights Guide — ORD to Popular Low-Cost Destinations (Economy Focus)
To find the cheapest flights from Chicago O'Hare International Airport (ORD), use flexible-date searches, set multiple fare alerts, and compare both legacy and low-cost carriers. Primary markets with consistently low economy fares include Orlando (MCO), Las Vegas (LAS), Denver (DEN), Atlanta (ATL), and Cancun (CUN). Secondary strategies: check nearby airports (Chicago Midway (MDW), Milwaukee Mitchell (MKE)), fly midweek, and consider red-eye departures. CTA: Start a fare alert for your ORD departure and compare economy options to book the cheapest flight available.