Route guide · 2,436 miles
Cheap Flights from San Francisco to Washington
SFO → DCA · Nonstop 5h 27m · Live round-trip fares
Flying from San Francisco to Washington doesn't have to drain your wallet. This 2,436-mile hop takes about 5h 27m nonstop, and fares swing a lot depending on the week you pick. Travelers who book roughly 4–8 weeks out usually come out ahead — set a free alert and let the deals come to you.
Live fares for SFO → DCA are updating. Use the search below for real-time prices.
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Updated daily
Flight time
5h 27m
Nonstop, typical
Distance
2,436 mi
SFO → DCA
Book ahead
4–8 weeks
Best window, typically
Nonstop airlines
1
United Airlines
Nonstop flights from San Francisco to Washington
The fastest way between the two cities is the nonstop: about 5h 27m for the 2,436-mile run from SFO to DCA. Those flights are flown by United Airlines. Prices behave best when you book 4–8 weeks out.
Booking insights: San Francisco → Washington
- Distance: 2,436 miles · nonstop flight time: 5h 27m.
- Fares tend to bottom out when you book about 4–8 weeks ahead — earlier than that rarely helps, later usually hurts.
- If your dates flex by a day or two, shifting to a midweek departure is the easiest saving there is.
- A free fare alert beats daily checking: we watch this route and ping you when prices drop.
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Flying from San Francisco to Washington: what you need to know
The flight
This is one of the long ones: 2,436 miles from SFO to DCA, about 5h 27m on a nonstop. Treat it like a short international flight — real meal plan, charged devices, a layer for the cabin — and the hours go much easier.
Airlines on this route
United Airlines flies this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from San Francisco (SFO)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our San Francisco airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Washington (DCA)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Washington airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Washington to San Francisco fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 2,436 miles, booking 4–8 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Download the airline's app before you fly; gate changes and delays show up there first.
- Nonstop time on this route is about 5h 27m — a one-stop itinerary needs to be a lot cheaper to be worth the extra hours.
- Tuesday and Wednesday departures are typically the cheapest days on domestic routes.
- Screenshot your fare before you enquire — prices move, and a saved fare helps our team match or beat it.
- Flexible dates? Search a few days either side — one day can change the fare a lot.
San Francisco to Washington flight FAQs
How long is the flight from SFO to DCA?
A nonstop from SFO to DCA clocks in at around 5h 27m for the 2,436-mile trip. If you're connecting, budget an extra 2–4 hours depending on where you stop.
Are there nonstop flights from San Francisco to Washington?
United Airlines typically operate nonstop flights from SFO to DCA. Nonstops are usually cheapest when booked 4–8 weeks ahead of departure.
What is the cheapest month to fly from San Francisco to Washington?
Fares from San Francisco to Washington tend to ease outside the peak summer and holiday rush — the late-summer and early-fall shoulder weeks are usually kinder on the wallet. Set a free Airfare Deal alert and we'll flag the dips for your dates.
How much are last minute flights from SFO to DCA?
Walking up to this route at the last minute is the expensive way to do it — prices inside 7 days of departure climb fast. The 4–8 weeks booking window is where the value sits.
What is a good round-trip deal from San Francisco to Washington?
A good deal is anything at or below the recent fares shown above. Set a free Airfare Deal alert and we'll ping you the moment fares drop.
Which airlines fly from San Francisco to Washington?
You'll mainly see United Airlines on San Francisco to Washington. Checking each against the live fares below is the surest way to find the lowest price for your dates.
How early should I get to San Francisco airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
More cheap flights from San Francisco
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