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Flights Chicago – Washington, Allegiant Air

1 passenger, economy

Flight schedule Chicago – Washington, Allegiant Air

Compare prices, duration and stops

Allegiant Air
G4 2131
15:08
Chicago, Chicago Rockford International Airport (RFD)
Sun, 4 oct
25h 52min
1 stop
17:00
Baltimore, Wash Thurgood Marshall (BWI)
Mon, 5 oct +1
£134
Allegiant Air
G4 2147 Best price
15:20
Chicago, Chicago Rockford International Airport (RFD)
Sun, 25 oct
46h 30min
2 stops
13:50
Baltimore, Wash Thurgood Marshall (BWI)
Tue, 27 oct +1
£124

Low price calendar

September 2026
Price chart (September 2026)
min: £74 · max: £126
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£74
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Popular Allegiant Air flights Chicago – Washington

All →
Flight Departure days Price from
G42147 Sun £124
G42131 Sun £134

Popular destinations from Chicago

All →
CHI
Chicago — Orlando
United States → United States
ORL
from
£16
CHI
Chicago — Atlanta
United States → United States
ATL
from
£17
CHI
Chicago — Houston
United States → United States
IAH
from
£17
CHI
Chicago — New York
United States → United States
NYC
from
£17
CHI
Chicago — Denver
United States → United States
DEN
from
£18
CHI
Chicago — Fort Lauderdale
United States → United States
FLL
from
£18
CHI
Chicago — Miami
United States → United States
MIA
from
£19

Popular destinations to Washington

All →
ATL
Atlanta — Washington
United States → United States
WAS
from
£16
FLL
Fort Lauderdale — Washington
United States → United States
WAS
from
£16
ORL
Orlando — Washington
United States → United States
WAS
from
£20
BOS
Boston — Washington
United States → United States
WAS
from
£29
CLT
Charlotte — Washington
United States → United States
WAS
from
£35
NYC
New York — Washington
United States → United States
WAS
from
£45
HOU
Houston — Washington
United States → United States
WAS
from
£46
DFW
Dallas — Washington
United States → United States
WAS
from
£47

Flight statistics Chicago – Washington, Allegiant Air

We gathered interesting facts about the flight for you

Cheapest flight

G4 2147

£124

Fastest flight

G4 2131

25h 52min

Average time

36h 11min

Distance

3 637 km

Passenger reviews

No reviews for this route yet

Other airlines Chicago – Washington

American Airlines
American Airlines
Mon, Tue, Thu, Sun
Price from
£66
Frontier Airlines
Frontier Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
£68
Southwest Airlines
Southwest Airlines
Mon, Tue, Wed, Thu, Fri, Sat
Price from
£71
United Airlines
United Airlines
Tue, Wed, Thu, Sun
Price from
£124

Internet abroad

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Frequently Asked Questions

The cheapest Allegiant Air ticket Chicago – Washington costs £124, flight G42147, departing at 15:20.
The fastest Allegiant Air flight Chicago – Washington takes 25h 52min, flight G42131, departing at 15:08.
The earliest Allegiant Air flight Chicago – Washington(G42131)departs at 15:08.