Chicago to Seattle (MDW–SEA) — Airlines, Schedules & Connections

MDW Airport Page →
1,729 mi airlines 14/wk
On-time Some delays Frequent delays
Flight Schedule 6 flights Verified 3m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
WN3378
WN Southwest
B38M
1:32 AM
CDT
3:40 AM
PDT
4h 8m
M T W T F S S
Prices
WN3521
WN Southwest
738
10:35 AM
CDT
1:05 PM
PDT
4h 30m
M T W T F S S
Prices
WN3951
WN Southwest
73H
12:35 AM
PDT
6:21 AM
CDT
3h 46m
M T W T F S S
Prices
WN4198
WN Southwest
738
12:42 AM
PDT
6:46 AM
CDT
4h 4m
M T W T F S S
Prices
WN1807
WN Southwest
738
5:15 AM
PDT
11:14 AM
CDT
3h 59m
M T W T F S S
Prices
WN3003
WN Southwest
73H
11:20 PM
PDT
5:20 AM+1
CDT
4h
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Chicago to Seattle
1 carrier, 14 flights/week nonstop.
1 Airlines 14 Flights/wk 1,729 mi 4h 8m nonstop -2h behind 92 1-stop hubs

MDW–SEA is served by 1 airline with nonstop service. Southwest Airlines leads the route. The flight covers 1,729 miles in approximately 4h 8m. Beyond nonstop, 92 hubs offer 1-stop connections.

Airline Landscape

All carriers operating nonstop MDW–SEA service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 14 738, B38M 4h08-4h30 70%
Aircraft on this route
738 Boeing 737-800 – WN
B38M Boeing 737 MAX 8 – WN
Alliance coverage
Unaffiliated: WN (14 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, MDW to SEA direction.
Mon
2
flights
Tue
2
flights
Wed
2
flights
Thu
2
flights
Fri
2
flights
Sat
2
flights
Sun
2
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
2
Nonstop flights
14
Outbound / wk
15
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for MDW to SEA.
1-STOP
One-Stop Connections
92
Hubs
~4h
Fastest
~24h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
3,512
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

Other ways to reach Seattle from Chicago

Nearby airports with service to Seattle–Tacoma International Airport.
Metric MDW→SEA ORD→SEA RFD→SEA
Distance from MDW 15 mi 75 mi
Nonstop airlines 1 20 1
Weekly flights 14 353 2
Flight time 4h 8m 3h 22m 3h 38m
Departure OTP 70%
Airports within 200 miles of MDW with service to Seattle–Tacoma International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
-2h
Seattle is 2 hours behind Chicago.
MDW: CDT · SEA: PDT

When it's 6:00 PM in Chicago, it's 4:00 PM in Seattle.
Distance & Flight Time
1,729 mi / 2,782 km
Nonstop flight time is approximately 4h 8m to 4h 30m.
Getting from SEA

Link Light Rail from the airport station (inside the terminal) to downtown Seattle takes 38 minutes ($3.50). No transfers needed; trains run 5am to 1am daily.Taxis and ride-shares to downtown cost $35–55. For Bellevue and Eastside destinations (across Lake Washington), ride-share is faster than Link. Car rentals are in the consolidated rental facility; take the free shuttle from baggage claim. Sound Transit buses serve Tacoma, Renton, and Federal Way.

Seattle Climate

Marine west coast climate. Winters are mild but persistently grey and rainy (3–9°C). Snow is rare at sea level but can occur December through February, causing significant disruptions when it does. The airport sits between Seattle and Tacoma in an area that receives more fog and low cloud than downtown Seattle.

Summers are famously pleasant (18–25°C) with low humidity and mostly clear skies, one of the best flying climates in the US from June through September. The wettest months are November through January.

MDW–SEA Quick Facts

Key statistics for the Chicago to Seattle route.
Route details
Distance1,729 mi / 2,782 km
Flight time4h 8m to 4h 30m
Time difference-2 hours
Airlines (nonstop)1
Weekly flights14 out / 15 return
1-stop connections92 hubs
Origin: MDW
IATA / ICAOMDW / KMDW
TimezoneAmerica/Chicago
Passengers/yr20.7M
Elevation620 ft / 189 m
Destination: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Los_Angeles
Passengers/yr52.6M
Elevation433 ft / 132 m

Frequently Asked Questions

Common questions about MDW to SEA flights.
Nonstop flights from Chicago Midway International Airport to Seattle–Tacoma International Airport take approximately 4h 8m to 4h 30m. The route covers 1,729 miles.
1 airline operates nonstop service: Southwest Airlines.
There are approximately 14 nonstop flights per week from MDW to SEA. The return direction has about 15 weekly flights.
Yes, 1-stop connections are available through YVR, FXE, FTW, ASE, COS, BIL, CCR, BOI, BZN, JAC, MSO, VNY, CPS, YEG, YYC, NUQ, HDN, BFI, EGE, YLW, MEM, SUN, ORD, HOU, TEB, RNO, STS, YYZ, AFW, MRY, SNA, GSO, PSP, SBA, ICT, ELP, IAH, JFK, RSW, SJD, LIR, CUN, TUL, IND, OKC, DTW, EWR, ATL, PHL, CMH, MCO, DFW, SLC, MSP, SMF, CLE, SFO, PIT, SJC, DEN, STL, BNA, FLL, BWI, MCI, CHS, LAS, IAD, PHX, PDX, LAX, RDU, TPA, AUS, CVG, MSY, ABQ, DAL, SAT, SAN, TUS, OMA, HND, MIA, MKE, BOS, DCA, CLT, ONT, OAK, GDL and BUR. These options provide additional schedule flexibility.
Seattle is 2 hours behind Chicago.
Yes, return flights from SEA to MDW are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include ORD, RFD and MKE. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from MDW to SEA

Chicago Midway International Airport (MDW) and Seattle–Tacoma International Airport (SEA) are connected by nonstop service from Southwest Airlines. With 14 weekly departures, this is a well served route.

MDW to SEA Flight Duration and Schedule

Nonstop flight time from MDW to SEA ranges from 4 hours 8 minutes to 4 hours 30 minutes. The route covers a distance of 1,729 miles (2,782 km). There are approximately 14 weekly flights outbound and 15 return, totaling 29 flights per week in both directions.

Connecting Options and Alternatives

92 one-stop connections are available, with the fastest taking approximately 4 hours via YVR. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Chicago (ORD), Chicago/Rockford (RFD) and Milwaukee (MKE).