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Flights Chicago – Washington Dulles International Airport, Allegiant Air

1 passenger, economy

Flight schedule Chicago – Washington Dulles International Airport, Allegiant Air

Compare prices, duration and stops

Allegiant Air
G4 344 Best price
18:12
Chicago, Chicago Rockford International Airport (RFD)
Sun, 18 oct
44h 5min
2 stops
14:17
Washington, Washington Dulles International Airport (IAD)
Tue, 20 oct +1
£125
Allegiant Air
G4 2147
15:20
Chicago, Chicago Rockford International Airport (RFD)
Sun, 25 oct
47h 1min
3 stops
14:21
Washington, Washington Dulles International Airport (IAD)
Tue, 27 oct +1
£135

Low price calendar

September 2026
Price chart (September 2026)
min: £72 · max: £166
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£88
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£140
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£72
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£144
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£89
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£74
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Popular Allegiant Air flights Chicago – Washington Dulles International Airport

All →
Flight Departure days Price from
G4344 Sun £125
G42147 Sun £135

Popular destinations from Chicago

All →
CHI
Chicago — Orlando
United States → United States
ORL
from
£16
CHI
Chicago — Orlando
United States → United States
MCO
from
£16
CHI
Chicago — Atlanta
United States → United States
ATL
from
£16
CHI
Chicago — Houston
United States → United States
IAH
from
£17
CHI
Chicago — Houston
United States → United States
HOU
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 Dulles International Airport

All →
FLL
Fort Lauderdale — Washington
United States → United States
IAD
from
£17
ORL
Orlando — Washington
United States → United States
IAD
from
£22
ATL
Atlanta — Washington
United States → United States
IAD
from
£22
BOS
Boston — Washington
United States → United States
IAD
from
£33
DFW
Dallas — Washington
United States → United States
IAD
from
£47
NYC
New York — Washington
United States → United States
IAD
from
£47
TPA
Tampa — Washington
United States → United States
IAD
from
£48
LAX
Los Angeles — Washington
United States → United States
IAD
from
£51

Flight statistics Chicago – Washington Dulles International Airport, Allegiant Air

We gathered interesting facts about the flight for you

Cheapest flight

G4 344

£125

Fastest flight

G4 344

44h 5min

Average time

45h 33min

Distance

920 km

Passenger reviews

No reviews for this route yet

Other airlines Chicago – Washington Dulles International Airport

Frontier Airlines
Frontier Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
£70
United Airlines
United Airlines
Mon, Tue, Wed, Thu, Fri, Sat, Sun
Price from
£72

Internet abroad

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Frequently Asked Questions

The cheapest Allegiant Air ticket Chicago – Washington Dulles International Airport costs £125, flight G4344, departing at 18:12.
The fastest Allegiant Air flight Chicago – Washington Dulles International Airport takes 44h 5min, flight G4344, departing at 18:12.
The earliest Allegiant Air flight Chicago – Washington Dulles International Airport(G4344)departs at 18:12.