Cheap flights from Kalispell, United States to Washington, D.C., United States
Flights starting at $164. Choose between Alaska Airlines, Frontier Airlines, or Allegiant Air to find the best price.
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Tips to know when travelling to Washington, D.C.
Cheapest one-way trip | $224 |
---|---|
Cheapest round-trip | $499 |
Most popular airline | Alaska Airlines |
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Book your trip to arrive at Baltimore–Washington International, Washington Dulles International, or Ronald Reagan Washington National. The most popular airlines for this route are Alaska Airlines, Frontier Airlines, Allegiant Air, Spirit Airlines, and United Airlines. Kalispell and Washington, D.C. have 186 direct flights per week. When you arrive at Washington, D.C., consider visiting National Mall, Lincoln Memorial, and Independence National Historical Park, PA, USA.
Check-in for a flight from Kalispell to Washington, D.C.
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Weather in Washington, D.C.
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 5°C | -1°C |
February | 8°C | 0°C |
March | 12°C | 3°C |
April | 19°C | 8°C |
May | 23°C | 13°C |
June | 28°C | 18°C |
July | 31°C | 21°C |
August | 30°C | 20°C |
September | 26°C | 17°C |
October | 20°C | 11°C |
November | 13°C | 4°C |
December | 8°C | 1°C |
14 day forecast
Frequently asked questions
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