How can I find cheap flights from Chicago Rockford International Airport to Dulles International Airport?
Explore the cheapest one-way and round-trip flights from Chicago Rockford International Airport to Dulles International Airport over the next 90 days, with one-way fares from €127 and round-trip from €224. Based on Trip.com's latest 7-day flight data.
- Return
- Cheapest
- Fastest
RFD 09:309h 41m1 stopIAD 20:11Chicago - Washington D.C. | Wed, Nov 25 | Allegiant Air
DCA 10:452h 5mDirectMDW 11:50Washington D.C. - Chicago | Sun, Nov 29 |€224 €29925% off25% off€299 €224
RFD 09:309h 41m1 stopIAD 20:11Chicago - Washington D.C. | Wed, Dec 2 | Allegiant Air
DCA 06:102h 5mDirectMDW 07:15Washington D.C. - Chicago | Sat, Dec 5 |€260 €29913% off13% off€299 €260
CHI 13:0017h 25m1 stopWAS 14:00Chicago - Washington D.C. | Fri, Nov 6 | Normal Airline
WAS 15:006hDirectCHI 16:00Washington D.C. - Chicago | Sun, Nov 8 | Normal AirlineFind more flightsFind more flights
- Cheapest
RFD 09:409h 31m1 stopIAD 20:11Chicago - Washington D.C. | Wed, Nov 18 | Allegiant Air€127 €20638% off38% off€206 €127
RFD 10:308h 41m1 stopIAD 20:11Chicago - Washington D.C. | Sat, Nov 28 | Allegiant Air€179 €20613% off13% off€206 €179
CHI 13:0017h 25m1 stopWAS 14:00Chicago - Washington D.C. | Fri, Nov 6 | Normal AirlineFind more flightsFind more flights
RFD 10:308h 41m1 stopIAD 20:11Chicago - Washington D.C. | Sat, Nov 28 | Allegiant Air€179 €20613% off13% off€206 €179
RFD 09:409h 31m1 stopIAD 20:11Chicago - Washington D.C. | Wed, Nov 18 | Allegiant Air€127 €20638% off38% off€206 €127
CHI 13:0017h 25m1 stopWAS 14:00Chicago - Washington D.C. | Fri, Nov 6 | Normal AirlineFind more flightsFind more flights
Displayed flight fares from Chicago to Washington D.C. 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 Dulles International Airport?
The cheapest airline flying from Chicago Rockford International Airport to Dulles International Airport is Allegiant Air (from €86) among 1 carriers operating this route. Based on Trip.com's latest 7-day flight data.

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What is the flight schedule from Chicago Rockford International Airport to Dulles International Airport?
Check the schedule for flights from Chicago to Washington D.C. and find the flight that best matches your travel plans.
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G4499
Chicago Rockford International Airport
09:40
RFD
13:50
FLL
- - - W - - SSearch -
F92960
Fort Lauderdale-Hollywood International Airport
19:24
FLL
22:02
IAD
S - - W T F S
About Chicago Rockford International Airport and Dulles International Airport
Learn about Chicago Rockford International Airport (RFD) and Dulles International Airport (IAD) — including location, terminals, transportation, and travel tips.
| Flight distance | 1,061.27km |
|---|---|
| Cheapest one-way ticket price | €127 |
| Cheapest return ticket price | €224 |
FAQs for Chicago Rockford International Airport to Dulles International Airport Flights
What are the cheapest flights from Chicago Rockford International Airport to Dulles International Airport?
One-way flights from Chicago Rockford International Airport to Dulles International Airport currently start from €127, and round-trip fares start from €224. The current lowest fare is a Allegiant Air flight departing on Wed, Nov 18; prices may vary depending on availability.What is the average price of a flight from Chicago Rockford International Airport to Dulles 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 Dulles International Airport is €139. Prices may vary depending on the departure date, airline, and availability.How do I book flights from Chicago Rockford International Airport to Dulles International Airport on Trip.com?
Enter Chicago Rockford International Airport and Dulles 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.