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SAR 371 Cheap Flights from Washington (IAD) to Chicago (CHI)

Cheap Flights from Washington to Chicago (IAD-CHI)

Prices were available within the past 7 days and start at SAR 371 for one-way flights and SAR 740 for roundtrip, for the period specified. Prices and availability are subject to change.
Delta
Tuesday, 25 August, 2026 - Saturday, 29 August, 2026
IAD
Washington
ORD
Chicago
SAR 740
Roundtrip
Found 2 days ago
Select Delta flight, departing Tuesday, 25 August, 2026 from Washington to Chicago, returning Saturday, 29 August, 2026, priced at SAR 740 Found 2 days ago
United
Tuesday, 25 August, 2026 - Saturday, 29 August, 2026
IAD
Washington
ORD
Chicago
SAR 854
Roundtrip
Found 2 days ago
Select United flight, departing Tuesday, 25 August, 2026 from Washington to Chicago, returning Saturday, 29 August, 2026, priced at SAR 854 Found 2 days ago
Delta
Tuesday, 25 August, 2026 - Saturday, 29 August, 2026
IAD
Washington
ORD
Chicago
SAR 891
Roundtrip
Found 2 days ago
Select Delta flight, departing Tuesday, 25 August, 2026 from Washington to Chicago, returning Saturday, 29 August, 2026, priced at SAR 891 Found 2 days ago
Delta
Tuesday, 25 August, 2026 - Saturday, 29 August, 2026
IAD
Washington
ORD
Chicago
SAR 893
Roundtrip
Found 2 days ago
Select Delta flight, departing Tuesday, 25 August, 2026 from Washington to Chicago, returning Saturday, 29 August, 2026, priced at SAR 893 Found 2 days ago
Delta
Tuesday, 25 August, 2026 - Saturday, 29 August, 2026
IAD
Washington
ORD
Chicago
SAR 911
Roundtrip
Found 2 days ago
Select Delta flight, departing Tuesday, 25 August, 2026 from Washington to Chicago, returning Saturday, 29 August, 2026, priced at SAR 911 Found 2 days ago
United
Tuesday, 25 August, 2026 - Saturday, 29 August, 2026
IAD
Washington
ORD
Chicago
SAR 965
Roundtrip
Found 2 days ago
Select United flight, departing Tuesday, 25 August, 2026 from Washington to Chicago, returning Saturday, 29 August, 2026, priced at SAR 965 Found 2 days ago
United
Tuesday, 25 August, 2026 - Saturday, 29 August, 2026
IAD
Washington
ORD
Chicago
SAR 987
Roundtrip
Found 2 days ago
Select United flight, departing Tuesday, 25 August, 2026 from Washington to Chicago, returning Saturday, 29 August, 2026, priced at SAR 987 Found 2 days ago
United
Thursday, 20 August, 2026 - Saturday, 22 August, 2026
IAD
Washington
ORD
Chicago
SAR 999
Roundtrip
Found 3 days ago
Select United flight, departing Thursday, 20 August, 2026 from Washington to Chicago, returning Saturday, 22 August, 2026, priced at SAR 999 Found 3 days ago
American Airlines
Tuesday, 25 August, 2026 - Saturday, 29 August, 2026
IAD
Washington
ORD
Chicago
SAR 1,036
Roundtrip
Found 2 days ago
Select American Airlines flight, departing Tuesday, 25 August, 2026 from Washington to Chicago, returning Saturday, 29 August, 2026, priced at SAR 1,036 Found 2 days ago
Southern Airways
Tuesday, 25 August, 2026 - Saturday, 29 August, 2026
IAD
Washington
ORD
Chicago
SAR 1,088
Roundtrip
Found 2 days ago
Select Southern Airways flight, departing Tuesday, 25 August, 2026 from Washington to Chicago, returning Saturday, 29 August, 2026, priced at SAR 1,088 Found 2 days ago

Find the cheapest month to fly from Washington (IAD) to Chicago (CHI)

February is typically the cheapest month to fly

From SAR 450 - SAR 1,078 per traveler.

Travel information

Origin airport
Washington Dulles Intl. Airport
Destination airport
Chicago O'Hare Intl. Airport
Distance
945 km away
Airlines serving
United, Frontier Airlines, Delta, American Airlines, Alaska Airlines, Sun Country Airlines
Popular airline
United
Roundtrip price
SAR 740
Average flight time
4 hours 7 mins
*Available to One Key members.