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Routes/San Diego, CA to Washington, DC (Metropolitan Area)

San Diego, CA to Washington, DC (Metropolitan Area)

Average one-way fare in 2026 Q1: $328 · 2295 nonstop miles · 1694 passengers per day.

2026 Q1 fare$328
2025 Q1 fare$321
Change+$7
Passengers/day1694
Distance2295 mi

The average fare a year earlier (2025 Q1) was $321. The change is $7 higher (2.1%).

The largest carrier on this route in 2026 Q1 was United with 35% of passengers. The lowest-fare carrier was Southwest with 33% of passengers, at an average fare of $275.

All routes from San Diego, CA · All routes from Washington, DC (Metropolitan Area)

All quarters on this route

QuarterPassengers/dayAvg. fareLargest carrierLargest shareLowest-fare carrier
2024 Q11763$318United47%Southwest
2024 Q22257$312United42%Southwest
2024 Q32079$300United40%Southwest
2024 Q41919$327United47%Alaska
2025 Q11577$321United45%Alaska
2025 Q21977$307United37%Alaska
2025 Q31728$302United36%Alaska
2025 Q41727$307United36%Southwest
2026 Q11694$328United35%Southwest

Source: U.S. Department of Transportation, Consumer Airfare Report Table 1, 2026 Q1. Figures are average one-way fares paid, including taxes and fees, for the quarter shown. Record: city markets 33570 and 30852; U.S. Department of Transportation, Domestic Airline Consumer Airfare Report, Table 1: top 1,000 contiguous-state city-pair markets (average one-way fare, passengers per day, largest carrier, lowest-fare carrier). Fetched 2026-09-27T00:40:04Z. Source data.