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Chicago Rockford International Airport to Portsmouth International Airport flight
Which airline offers the cheapest flights from Chicago Rockford International Airport to Portsmouth International Airport?
The cheapest airline flying from Chicago Rockford International Airport to Portsmouth International Airport is Allegiant Air (from SEK 2,489) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Allegiant Air
From SEK 2,489
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About Chicago Rockford International Airport and Portsmouth International Airport
Learn about Chicago Rockford International Airport (RFD) and Portsmouth International Airport (PSM) — including location, terminals, transportation, and travel tips.
| Flight distance | 1,499.51km |
|---|
FAQs for Chicago Rockford International Airport to Portsmouth International Airport Flights
What is the average price of a flight from Chicago Rockford International Airport to Portsmouth International Airport?
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 Portsmouth International Airport is SEK 2,348. Prices may vary depending on the departure date, airline, and availability.How do I book flights from Chicago Rockford International Airport to Portsmouth International Airport on Trip.com?
Enter Chicago Rockford International Airport and Portsmouth 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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Note: Prices shown on this page are the estimated lowest prices and include all taxes and fees found in the last 24 hours.