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Chicago Rockford International Airport to Seattle-Tacoma International Airport flight
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Chicago Rockford International Airport to Seattle-Tacoma International Airport Flights Info

Cheapest one-way
€173
Allegiant Air Allegiant Air 26h 15m · 1 stop Tue, Nov 24
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Cheapest round-trip
€363
Allegiant Air Allegiant Air 26h · 1 stop Thu, Nov 19 - Fri, Nov 27
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Recommended airlines
Allegiant Air Allegiant AirCheapest· From €173 American Airlines American AirlinesMost booked

Explore the cheapest one-way and round-trip flights from Chicago Rockford International Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from €173 and round-trip from €363. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      RFD 12:22
      26h 15m
      1 stop
      SEA 12:37
      Chicago - Seattle | Tue, Nov 24 | Allegiant Air
      €173 €211
      18% off
      18% off
      €211 €173
    • CHI 13:00
      17h 25m
      1 stop
      SEA 14:00
      Chicago - Seattle | Tue, Nov 17 | Normal Airline
      Find more flights
      Find more flights
    • RFD 12:37
      26h
      1 stop
      SEA 12:37
      Chicago - Seattle | Thu, Nov 19 | Allegiant Air
      SEA 17:24
      4h 21m
      Nonstop
      ORD 23:45
      Seattle - Chicago | Fri, Nov 27 | American Airlines
      €363 €443
      18% off
      18% off
      €443 €363
    • CHI 13:00
      17h 25m
      1 stop
      SEA 14:00
      Chicago - Seattle | Tue, Nov 17 | Normal Airline
      SEA 15:00
      6h
      Nonstop
      CHI 16:00
      Seattle - Chicago | Thu, Nov 19 | Normal Airline
      Find more flights
      Find more flights
    • RFD 12:22
      26h 15m
      1 stop
      SEA 12:37
      Chicago - Seattle | Tue, Nov 24 | Allegiant Air
      €173 €211
      18% off
      18% off
      €211 €173
    • CHI 13:00
      17h 25m
      1 stop
      SEA 14:00
      Chicago - Seattle | Tue, Nov 17 | Normal Airline
      Find more flights
      Find more flights

Displayed flight fares from Chicago to Seattle are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Which airline offers the cheapest flights from Chicago Rockford International Airport to Seattle-Tacoma International Airport?

The cheapest airline flying from Chicago Rockford International Airport to Seattle-Tacoma International Airport is Allegiant Air (from €173) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.
Etihad Airways logo Etihad Airways Emirates logo Emirates Air Arabia logo Air Arabia Flydubai logo Flydubai Air Arabia Abu Dhabi logo Air Arabia Abu Dhabi
American Airlines logo American Airlines

FAQs for Chicago Rockford International Airport to Seattle-Tacoma International Airport Flights

  • What is the transportation method from the main airport to downtown in Seattle?

    • The distance from Seattle-Tacoma International Airport to downtown is about 17 km, by taxi about 30 minutes.
  • One-way flights from Chicago Rockford International Airport to Seattle-Tacoma International Airport currently start from €173, and round-trip fares start from €363. The current lowest fare is a Allegiant Air flight departing on Tue, Nov 24; prices may vary depending on availability.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Chicago Rockford International Airport to Seattle-Tacoma International Airport is €312. Prices may vary depending on the departure date, airline, and availability.
  • Enter Chicago Rockford International Airport and Seattle-Tacoma International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

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