Washington, D.C. (IAD) to San Francisco (SFO) is about 2,410 miles and typically takes 5 h 25 min by air. Some carriers have hubs at both ends, which makes frequent nonstops more likely. Call (800) 490-3234 for live fares.
IAD to SFO at a glance
| Route | Washington, D.C. (IAD) to San Francisco (SFO) |
|---|---|
| Distance | about 2,410 miles / 3,880 km |
| Typical flight time | 5 h 25 min (estimate) |
| Time difference | 3 hours behind |
| Route type | Domestic (U.S.) |
| Airlines with hubs here | United Airlines and Alaska Airlines |
About the Washington, D.C. to San Francisco route
Washington, D.C. to San Francisco is a cross-country style flight of about 2,410 miles, long enough that cabin choice, seat selection and time-zone planning all matter. It is a route many travelers book well in advance.
Flight time and distance
A typical flight takes about 5 h 25 min gate to gate, with a realistic range of 5 h 05 min to 5 h 50 min depending on wind, routing and aircraft. That is an estimate based on the distance of roughly 2,410 miles (3,880 km), not a published schedule. Flights heading west usually take noticeably longer than flights heading east because of prevailing winds aloft, so the return flight can differ by 30 minutes or more.
San Francisco is 3 hours behind Washington, D.C. on standard time, so the arrival time on your ticket will look different from the flight duration.
Among the 200 routes in our guides, IAD to SFO is longer than about 76% of them.
For comparison, Washington, D.C. to Seattle (IAD to SEA) is about 2,300 miles, so San Francisco is a bit farther out from IAD.
The airports
Washington Dulles International Airport (IAD)
Dulles is United's main hub for the nation's capital and handles most long-haul international service for the region. Full IAD guide.
San Francisco International Airport (SFO)
SFO is United's main West Coast hub and a key link to Asia and the Pacific. Full SFO guide.
Nearby alternatives: around Washington, D.C., Reagan National (DCA) and Baltimore/Washington (BWI); and around San Francisco, Oakland and San Jose. Price all of them before you commit, especially if you have flexible dates.
Airlines on this route
United Airlines has a hub at both ends, so it is the most likely to offer frequent nonstop service and easy rebooking on this route.
Alaska Airlines also has a major presence at one of the two airports.
Schedules change by season, and a nonstop that exists in summer may not operate in winter. Confirm the current options before you plan around a specific flight.
Common connection points
If you choose a one-stop itinerary, likely routings include Alaska Airlines via Los Angeles (LAX), which adds about 210 miles (9% beyond the direct distance). Choose the connection with the best weather odds for your travel month and leave a comfortable layover; our layover guide explains how much time is realistic.
Best time to fly
For this trip, keep in mind that at SFO, fog is most common from June through August; fall is often the clearest time to fly. At IAD, international demand peaks in summer; weather disruptions are generally milder than in the Northeast.
Ground transport
Getting to and from IAD
Metro's Silver Line now runs to the airport, offering a rail option into Washington.
Getting to and from SFO
BART trains run directly into the International Terminal and reach downtown San Francisco in about 30 minutes.
Booking tips
Many travelers on Washington, D.C. to San Francisco fly midweek for work, which can make Tuesday and Wednesday busier than you might expect. Compare departures across the day on our cheap-flights checklist.
Frequently asked questions
How long is the flight from Washington, D.C. to San Francisco?
A typical IAD to SFO flight takes about 5 h 25 min, with a likely range of 5 h 05 min to 5 h 50 min. Actual time depends on wind, routing, aircraft and whether you connect.
How far is San Francisco from Washington, D.C. by air?
The great-circle distance between IAD and SFO is about 2,410 miles (3,880 km).
Which airlines fly from Washington, D.C. to San Francisco?
United Airlines and Alaska Airlines have a major presence at IAD or SFO, and service varies by season. Ask us to check current nonstop and connecting options.
What is the time difference between Washington, D.C. and San Francisco?
San Francisco is 3 hours behind Washington, D.C. on standard time. Daylight saving time can change the gap for part of the year.
Are there other airports near Washington, D.C.?
Yes. Nearby alternatives include Reagan National (DCA) and Baltimore/Washington (BWI). Comparing them can change both fare and travel time.
When is the best time to book IAD to SFO?
Domestic fares are often competitive one to three months ahead, while international trips benefit from more lead time. Compare several dates, since fares are priced flight by flight.
Explore related routes
More flights involving Washington, D.C. (IAD)
- Washington, D.C. to DenverIAD to DEN
- Washington, D.C. to Los AngelesIAD to LAX
- Washington, D.C. to SeattleIAD to SEA
More flights involving San Francisco (SFO)
- Boston to San FranciscoBOS to SFO
- Delhi to San FranciscoDEL to SFO
- Houston to San FranciscoIAH to SFO
- Los Angeles to San FranciscoLAX to SFO
- Mumbai to San FranciscoBOM to SFO
- New York to San FranciscoJFK to SFO
Last reviewed October 22, 2026. FlighTicketHub provides general information; confirm details with the airline before you travel.