Flights to Washington, D.C. from US $ 372*

Promotion Code

United's most popular flights to Washington, D.C. (IAD)

US $
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Mexico City (MEX)to

Washington, D.C. (IAD)
27/04/2026 - 30/05/2026
from
US $ 498
Viewed: 1 day ago
Roundtrip
Economy

Cancun (CUN)to

Washington, D.C. (IAD)
21/05/2026 - 25/05/2026
from
US $ 372
Viewed: 11 hours ago
Roundtrip
Economy

Cancun (CUN)to

Washington, D.C. (DCA)
16/04/2026 - 20/04/2026
from
US $ 386
Viewed: 11 hours ago
Roundtrip
Economy

Monterrey (MTY)to

Washington, D.C. (DCA)
15/04/2026 - 22/04/2026
from
US $ 731
Viewed: 9 hours ago
Roundtrip
Economy

Mexico City (MEX)to

Washington, D.C. (DCA)
14/04/2026 - 21/04/2026
from
US $ 503
Viewed: 1 day ago
Roundtrip
Economy

Mérida (MID)to

Washington, D.C. (DCA)
24/04/2026 - 28/04/2026
from
US $ 580
Viewed: 1 day ago
Roundtrip
Economy

Puerto Vallarta (PVR)to

Washington, D.C. (IAD)
05/06/2026 - 09/06/2026
from
US $ 432
Viewed: 9 hours ago
Roundtrip
Economy

Guadalajara (GDL)to

Washington, D.C. (IAD)
21/05/2026 - 25/05/2026
from
US $ 631
Viewed: 7 hours ago
Roundtrip
Economy

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

Business class deals on flights to Washington, D.C. (IAD)

US $

Mexico City (MEX)to

Washington, D.C. (IAD)
13/05/2026 - 19/05/2026

Roundtrip

Business

from
US $ 874
Viewed: 3 hours ago

Cancun (CUN)to

Washington, D.C. (IAD)
21/08/2026 - 29/08/2026

Roundtrip

Business

from
US $ 937
Viewed: 1 day ago

Cancun (CUN)to

Washington, D.C. (DCA)
22/03/2026 - 27/03/2026

Roundtrip

Business

from
US $ 1,402
Viewed: 5 hours ago

Mexico City (MEX)to

Washington, D.C. (DCA)
16/06/2026 - 22/06/2026

Roundtrip

Business

from
US $ 2,074
Viewed: 10 hours ago

Mérida (MID)to

Washington, D.C. (DCA)
26/04/2026 - 30/04/2026

Roundtrip

Business

from
US $ 1,179
Viewed: 11 hours ago

Guadalajara (GDL)to

Washington, D.C. (IAD)
02/04/2026 - 12/04/2026

Roundtrip

Business

from
US $ 1,049
Viewed: 11 hours ago

Monterrey (MTY)to

Washington, D.C. (IAD)
07/04/2026 - 09/04/2026

Roundtrip

Business

from
US $ 1,139
Viewed: 11 hours ago

Leon (BJX)to

Washington, D.C. (DCA)
07/04/2026 - 17/05/2026

Roundtrip

Business

from
US $ 957
Viewed: 10 hours ago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

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Things to do after your flight to Washington, D.C. (IAD)

Fly to Washington, D.C., with United Airlines from over 200 airports within the United States and an additional 100 airports internationally.

Washington D.C.’s top attractions

  • Walk along the National Mall, a park stretching two miles in downtown featuring museums and memorials.
  • Experience some of the nation's most famous landmarks, like the Lincoln Memorial, the Thomas Jefferson Memorial, Capitol Building and Washington Monument.
  • Visit the Smithsonian, the largest museum complex in the world, featuring a collection of 19 museums covering topics including international art, natural history, space science and Native American history.
  • Stroll the charming neighborhood of Georgetown where you’ll find boutique shops and international fare.
  • Catch a game or tour the facilities of the Nationals, Capitals, Wizards, Redskins or the United.

Best time to travel to Washington, D.C.

Travel to Washington, D.C., in spring to see the National Cherry Blossom Festival or celebrate Independence Day with fireworks in the summer. Fall is a great time to take a jog through Rock Creek Park, enjoy live music at Eastern Market or spend the day at the Smithsonian’s National Zoo.