$45 Cheap flight deals from Washington (WAS) to Southwest (DEN)
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This Weekend's Flight Deals from Washington to Southwest
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $45 One Way, $160 Round Trip from Washington to Southwest
Prices starting at $160 for return flights and $45 for one-way flights to Southwest were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Southwest economy flight packages
Hyatt Vacation Club at The Ranahan
Mar 18 - Mar 22
Washington (IAD) to Denver (DEN)
Reviewed on Jan 15, 2026
Tivoli Lodge
Mar 18 - Mar 22
Washington (IAD) to Denver (DEN)
Reviewed on Dec 3, 2025
Highline Vail - a DoubleTree by Hilton
Mar 18 - Mar 22
Washington (IAD) to Denver (DEN)
Reviewed on Jul 21, 2025
More About Flying To Southwest from Washington
Route Information for Flights from Washington to Southwest
Origin Airport IATA Code | WAS |
|---|---|
Destination Airport IATA Code | DEN |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Washington to Southwest
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.