Southwest® flights from Washington, D.C. (Dulles) to Mexico
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Popular flight deals and low fares from Washington, D.C. (Dulles)
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Washington, D.C. (Dulles) (IAD)to
Cancun (CUN)Depart: 12/14/2025
From
$365
Seen: 16 hrs ago
One-way
Choice
Washington, D.C. (Dulles) (IAD)to
Los Cabos (SJD)Depart: 01/01/2026
From
$275
Seen: 10 hrs ago
One-way
Basic
Washington, D.C. (Dulles) (IAD)to
Puerto Vallarta (PVR)Depart: 12/05/2025
From
$244
Seen: 22 hrs ago
One-way
Basic
*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.
Shop more flights from Washington, D.C. (Dulles)
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From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Washington, D.C. (Dulles) (IAD) | Cancun (CUN) | One-way / Basic | Depart: 02/23/2026 | From $236 Seen: 22 hrs ago |
| Washington, D.C. (Dulles) (IAD) | Los Cabos (SJD) | One-way / Basic | Depart: 04/19/2026 | From $262 Seen: 21 hrs ago |
| Washington, D.C. (Dulles) (IAD) | Puerto Vallarta (PVR) | One-way / Basic | Depart: 03/02/2026 | From $181 Seen: 16 hrs ago |
*Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.
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