Route guide · 680 miles
Cheap Flights from San Francisco to Seattle
SFO → SEA · Nonstop 1h 53m · Live round-trip fares
If Seattle is next on your list, here's the honest picture on fares from San Francisco. The trip covers about 680 miles and takes roughly 1h 53m in the air. Prices on this route reward planners: booking 2–4 weeks ahead is the sweet spot, and the lowest fares tend to sell out fast.
Live fares for SFO → SEA are updating. Use the search below for real-time prices.
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See live fares
Updated daily
Flight time
1h 53m
Nonstop, typical
Distance
680 mi
SFO → SEA
Cheapest month
November 2026
Fares from $74
Nonstop airlines
3
American Airlines, JetBlue & more
Nonstop flights from San Francisco to Seattle
Nonstop flights from San Francisco to Seattle are flown by American Airlines, JetBlue, Spirit Airlines. The 680-mile trip takes about 1h 53m gate to gate, and nonstops are usually cheapest when booked 2–4 weeks ahead.
Booking insights: San Francisco → Seattle
- Distance: 680 miles · nonstop flight time: 1h 53m.
- Cheapest upcoming week in the live data starts around Nov 12, with fares from $74.
- Of the months we're tracking right now, November 2026 has the lowest fares, starting at $74.
- Fares tend to bottom out when you book about 2–4 weeks ahead — earlier than that rarely helps, later usually hurts.
- Tuesday and Wednesday departures usually undercut Friday and Sunday fares on routes like this one.
- A free fare alert beats daily checking: we watch this route and ping you when prices drop.
Price trend
Cheapest departure weeks ahead
Departing around Nov 12 is currently the cheapest window — about $14 less than the nearest weeks. Based on recent fares found for this route; prices change quickly.
Cheapest month · San Francisco → Seattle
November 2026
Every date's recent round-trip fare, at a glance.
Fares from
$74
Cheapest: Mon, Nov 16 — $74 · Priciest: Nov 15 — $111
Get this fare →Recent fares found for specific dates in November 2026. Blank days had no recent fare in our data — ask our team and we'll check them for you.
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Flying from San Francisco to Seattle: what you need to know
The flight
The nonstop from SFO to SEA runs about 1h 53m over 680 miles. It's a comfortable mid-range flight: long enough that seat choice matters a little, short enough that paying up for extras rarely does.
Airlines on this route
American Airlines, JetBlue and Spirit Airlines fly 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 Seattle (SEA)
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 Seattle airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Seattle to San Francisco fares — prices on the return direction often move on a different rhythm.
When to book
Of the months we're currently tracking, November 2026 is coming in cheapest for this route, with fares from $74. As a rule, booking 2–4 weeks ahead lands you in the sweet spot — leave it to the final two weeks and prices usually climb. If you see a fare that works, don't wait around: set a fare alert on this page and we'll watch the price for you.
Good to know before you go
- If you're traveling with only a carry-on, you can skip the bag-drop line entirely with mobile check-in.
- Download the airline's app before you fly; gate changes and delays show up there first.
- Nonstop time on this route is about 1h 53m — 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.
San Francisco to Seattle flight FAQs
How long is the flight from SFO to SEA?
Plan on about 1h 53m in the air for a nonstop from San Francisco to Seattle — the route runs roughly 680 miles. Connecting flights typically add 2–4 hours.
Are there nonstop flights from San Francisco to Seattle?
American Airlines, JetBlue, Spirit Airlines typically operate nonstop flights from SFO to SEA. Nonstops are usually cheapest when booked 2–4 weeks ahead of departure.
What is the cheapest month to fly from San Francisco to Seattle?
Right now, November 2026 is shaping up cheapest for San Francisco to Seattle — we've seen fares from $74 in that month. Prices move fast, so lock in when you see a number you like.
How much are last minute flights from SFO to SEA?
Book inside the final week and you'll usually pay a premium on SFO to SEA. Fares booked 2–4 weeks ahead are almost always kinder.
What is a good round-trip deal from San Francisco to Seattle?
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 Seattle?
You'll mainly see American Airlines, JetBlue, Spirit Airlines on San Francisco to Seattle. 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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