Flight Deals from Los Angeles to Washington, D.C. from $159

Flight prices from Los Angeles to Washington peak in late March and December, while low prices are found in late January and October.

When planning your flights from Los Angeles to Washington, you'll find that prices fluctuate significantly throughout the year. The peak price period is from late March to early April, with another spike during Christmas season in late December, where prices can soar to their highest levels. In contrast, the most affordable times to fly are usually in late January and late October. An abrupt start to high prices can be seen in late March, while low prices typically end in early April. Overall, expect a price difference of around $200 between high and low seasons.

Book your flight from Los Angeles to Washington 169 days in advance for the best prices; avoid last-minute bookings to save significantly.

For your trip from Los Angeles to Washington, consider booking about 169 days in advance when prices are at their lowest, around $317. Avoid booking earlier as prices can reach $440. If you're within 161 days of departure, the best alternative is to wait until about 33 days prior when you might find prices around $368. Prices tend to rise steadily, and particularly surge when you get within 10 days of departure, where they can reach up to $474. Purchase at least 10 days prior to avoid higher costs, especially since last-minute bookings could be 17% more expensive.