Cheapest month to fly to Washington (DCA)

September 2026 is the cheapest month to fly to Washington, USA based on current forward fare data from 3 major international gateways.

Live fares · JFK → DCA

Cheapest month from each major origin

Month-by-month price comparison

Lowest fare per calendar month, per origin. Data refreshes daily.

London (LHR) → Washington

  1. September 2026 $471
  2. August 2026 $485
  3. October 2026 $520
  4. July 2026 $708
See full LHR→DCA route →

New York (JFK) → Washington

  1. September 2026 $97
  2. November 2026 $105
  3. August 2026 $108
  4. October 2026 $108
  5. July 2026 $133
  6. December 2026 $265
See full JFK→DCA route →

Dubai (DXB) → Washington

  1. September 2026 $654
  2. October 2026 $711
  3. August 2026 $850
  4. July 2026 $1026
See full DXB→DCA route →

Frequently asked questions

  • What is the cheapest month to fly to Washington?

    Based on current 6-month forward fare data, September 2026 is the cheapest month to fly to Washington (DCA) from major international gateways including London, New York, and Dubai.

  • How much is a flight to Washington?

    From London (LHR), the cheapest current fare to Washington is $471 on 2026-09-23. Prices vary by origin — see the full comparison table.

  • Where is Washington (DCA)?

    Washington is in USA. Ronald Reagan Washington National (DCA) is the main commercial airport with 108 non-stop destinations.

  • How do you calculate the cheapest month?

    We pull 6 months of forward fare data from the affiliate-network month-matrix API for each route, find the lowest price per calendar month, then identify which month is cheapest across multiple major-market origins. Cached daily.

Related guides for Washington

Sibling pages — airport overview, country aggregations, visa context.