$145 Cheap Delta flights Chicago (MDW) to Washington (IAD)

View $145 flight on Wed, Apr 8, 2026Opens in a new window

$145 Cheap Delta flights Chicago (MDW) to Washington (IAD)

Prices were available within the past 7 days and start at $145 for one-way flights and $289 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Apr 8 - Tue, Apr 14
MDW
Chicago
IAD
Washington
$289 Roundtrip, found 1 day ago
$289
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Apr 8 from Chicago to Washington, returning Tue, Apr 14, priced at $289 found 1 day ago
Delta
Wed, Apr 8 - Tue, Apr 14
MDW
Chicago
IAD
Washington
$359 Roundtrip, found 1 day ago
$359
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Apr 8 from Chicago to Washington, returning Tue, Apr 14, priced at $359 found 1 day ago
Delta
Wed, Apr 8 - Mon, Apr 13
MDW
Chicago
IAD
Washington
$414 Roundtrip, found 1 day ago
$414
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Apr 8 from Chicago to Washington, returning Mon, Apr 13, priced at $414 found 1 day ago

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

February is typically the cheapest month to fly

From $110 - $668 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $347
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $347
Flights from Chicago (MDW) to Washington (IAD)
Origin airport
Midway Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Frontier Airlines
Popular airline
Frontier Airlines
Distance
921 km