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Flights from San Francisco to Seattle

Find cheap airlines flights from San Francisco to Seattle

You can choose from 5 airlines that fly from San Francisco to Seattle, including Alaska Airlines, Hawaiian Airlines, and Delta Air Lines. Hawaiian Airlines has lowest fares on this route.
Alaska Airlines logo Alaska Airlines
Hawaiian Airlines logo Hawaiian Airlines
Delta Air Lines logo Delta Air Lines
United Airlines logo United Airlines
Frontier Airlines logo Frontier Airlines
Airlines are determined based on actual purchased flight tickets from San Francisco to Seattle according to previous 12 months data from Trip.com.

Book direct flights from San Francisco to Seattle: One way flights from $41, round trip flights from $83. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        SFO 4:40 PM
        2h 18m
        Nonstop
        SEA 6:58 PM
        San Francisco - Seattle | Fri, Feb 6 | Delta Air Lines
        SEA 8:50 PM
        2h 13m
        Nonstop
        SFO 11:03 PM
        Seattle - San Francisco | Sun, Feb 8 | Hawaiian Airlines
        $83 $118
        30% off
        30% off
        $118 $83
      • SFO 8:42 AM
        2h 21m
        Nonstop
        SEA 11:03 AM
        San Francisco - Seattle | Wed, Feb 18 | Alaska Airlines
        SEA 7:41 PM
        2h 14m
        Nonstop
        SFO 9:55 PM
        Seattle - San Francisco | Fri, Feb 20 | Alaska Airlines
        $83 $118
        30% off
        30% off
        $118 $83
      • SFO 7:00 AM
        2h 18m
        Nonstop
        SEA 9:18 AM
        San Francisco - Seattle | Thu, Feb 5 | Hawaiian Airlines
        SEA 6:00 AM
        2h 11m
        Nonstop
        SFO 8:11 AM
        Seattle - San Francisco | Sat, Feb 7 | Hawaiian Airlines
        $85 $118
        28% off
        28% off
        $118 $85
      • SFO 9:00 AM
        2h 21m
        Nonstop
        SEA 11:21 AM
        San Francisco - Seattle | Thu, Feb 5 | Alaska Airlines
        SEA 5:59 PM
        2h 13m
        Nonstop
        SFO 8:12 PM
        Seattle - San Francisco | Sat, Feb 7 | Hawaiian Airlines
        $85
        28% off
        $118 $85
      • SFO 7:00 AM
        2h 18m
        Nonstop
        SEA 9:18 AM
        San Francisco - Seattle | Fri, Feb 6 | Hawaiian Airlines
        SEA 8:50 PM
        2h 13m
        Nonstop
        SFO 11:03 PM
        Seattle - San Francisco | Sun, Feb 8 | Hawaiian Airlines
        $85
        28% off
        $118 $85
      • SFO 7:00 AM
        2h 18m
        Nonstop
        SEA 9:18 AM
        San Francisco - Seattle | Fri, Feb 6 | Alaska Airlines
        SEA 8:50 PM
        2h 13m
        Nonstop
        SFO 11:03 PM
        Seattle - San Francisco | Sun, Feb 8 | Alaska Airlines
        $86
        28% off
        $118 $86
      • SFO 6:00 AM
        2h 22m
        Nonstop
        SEA 8:22 AM
        San Francisco - Seattle | Thu, Feb 5 | Delta Air Lines
        SEA 7:15 AM
        2h 20m
        Nonstop
        SFO 9:35 AM
        Seattle - San Francisco | Sat, Feb 7 | Delta Air Lines
        $86
        27% off
        $118 $86
      • SFO 1:45 PM
        2h 19m
        Nonstop
        SEA 4:04 PM
        San Francisco - Seattle | Wed, Feb 18 | Hawaiian Airlines
        SEA 7:41 PM
        2h 14m
        Nonstop
        SFO 9:55 PM
        Seattle - San Francisco | Fri, Feb 20 | Alaska Airlines
        $86
        27% off
        $118 $86
      • SFO 5:55 AM
        2h 18m
        Nonstop
        SEA 8:13 AM
        San Francisco - Seattle | Sun, Feb 22 | Delta Air Lines
        SEA 4:40 PM
        2h 13m
        Nonstop
        SFO 6:53 PM
        Seattle - San Francisco | Sat, Feb 28 | Delta Air Lines
        $87
        27% off
        $118 $87
      • SFO 5:55 AM
        2h 18m
        Nonstop
        SEA 8:13 AM
        San Francisco - Seattle | Wed, Feb 18 | Delta Air Lines
        SEA 7:41 PM
        2h 14m
        Nonstop
        SFO 9:55 PM
        Seattle - San Francisco | Fri, Feb 20 | Alaska Airlines
        $87
        27% off
        $118 $87
      • SFO 1:00 PM
        17h 25m
        1 stop
        SEA Invalid Date
        San Francisco - Seattle | Wed, Jan 21 | Normal Airline
        SEA 3:00 PM
        6h
        Nonstop
        SFO 4:00 PM
        Seattle - San Francisco | Fri, Jan 23 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        SFO 2:25 PM
        2h 17m
        Nonstop
        SEA 4:42 PM
        San Francisco - Seattle | Wed, Feb 4 | Hawaiian Airlines
        $41 $62
        34% off
        34% off
        $62 $41
      • SFO 2:25 PM
        2h 17m
        Nonstop
        SEA 4:42 PM
        San Francisco - Seattle | Wed, Feb 4 | Alaska Airlines
        $42 $62
        33% off
        33% off
        $62 $42
      • SFO 6:00 AM
        2h 22m
        Nonstop
        SEA 8:22 AM
        San Francisco - Seattle | Wed, Feb 4 | Delta Air Lines
        $42 $62
        32% off
        32% off
        $62 $42
      • SFO 7:29 PM
        2h 17m
        Nonstop
        SEA 9:46 PM
        San Francisco - Seattle | Sat, Mar 14 | Delta Air Lines
        $42
        32% off
        $62 $42
      • SFO 11:34 AM
        2h 21m
        Nonstop
        SEA 1:55 PM
        San Francisco - Seattle | Tue, Feb 17 | Hawaiian Airlines
        $43
        31% off
        $62 $43
      • SFO 6:30 AM
        2h 17m
        Nonstop
        SEA 8:47 AM
        San Francisco - Seattle | Tue, Feb 17 | Alaska Airlines
        $43
        31% off
        $62 $43
      • SFO 5:55 AM
        2h 18m
        Nonstop
        SEA 8:13 AM
        San Francisco - Seattle | Tue, Feb 17 | Delta Air Lines
        $43
        30% off
        $62 $43
      • SFO 8:10 PM
        2h 15m
        Nonstop
        SEA 10:25 PM
        San Francisco - Seattle | Fri, Mar 6 | Delta Air Lines
        $44
        30% off
        $62 $44
      • SFO 4:21 PM
        2h 19m
        Nonstop
        SEA 6:40 PM
        San Francisco - Seattle | Tue, Feb 24 | Hawaiian Airlines
        $45
        28% off
        $62 $45
      • SFO 8:47 PM
        2h 20m
        Nonstop
        SEA 11:07 PM
        San Francisco - Seattle | Sat, Mar 14 | Alaska Airlines
        $46
        27% off
        $62 $46
      • SFO 1:00 PM
        17h 25m
        1 stop
        SEA Invalid Date
        San Francisco - Seattle | Wed, Jan 21 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from San Francisco to Seattle are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Info | San Francisco to Seattle

The distance between San Francisco and Seattle is approximately 1,093.2 km. It takes around 2 hours 16 minutes on average to fly from San Francisco to Seattle. Based on Trip.com's data travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight price$41
Cheapest round-trip ticket price$83
Off-season for travelNovember
Peak season for travelJuly
Flight distance1,093.2 km
Average flight time2 hours 16 minutes
Popular airlineAlaska Airlines
Flight statistics for the San Francisco–Seattle route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from San Francisco to Seattle

Which month has the cheapest one-way flights from San Francisco to Seattle?

The average price of one-way flights from San Francisco to Seattle purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from San Francisco to Seattle is Jan, with an average price of $118; while the month with the highest flight price is usually Dec, with an average price of up to $174.

$174
$146
$118
$90
  • $118
    Jan
  • $138
    Feb
  • $166
    Mar
  • $171
    Apr
  • $156
    May
  • $153
    Jun
  • $166
    Jul
  • $164
    Aug
  • $154
    Sep
  • $144
    Oct
  • $167
    Nov
  • $174
    Dec

What is the cheapest month for round-trip flights from San Francisco to Seattle?

Average price of round-trip flights from San Francisco to Seattle purchased by Trip.com users by month over the past 12 months

Based on Trip.com’s data, the cheapest month for flights from San Francisco to Seattle is Sep, with an average price of $259; while the month with the highest flight price is usually Nov, with an average price of up to $362.

$362
$311
$259
$208
    Cheapest
  • $327
    Jan
  • $303
    Feb
  • $348
    Mar
  • $285
    Apr
  • $277
    May
  • $285
    Jun
  • $322
    Jul
  • $274
    Aug
  • $259
    Sep
  • $293
    Oct
  • $362
    Nov
  • $262
    Dec

What's the cheapest day to fly from San Francisco to Seattle?

Data is based on the average flight price for each day of the week from San Francisco to Seattle on Trip.com over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to fly from San Francisco to Seattle is Mon, with average prices lower than on other days. Avoid Fri, as prices are usually highest then.

$224
$194
$164
$134
  • $163
    Mon
  • $166
    Tue
  • $171
    Wed
  • $184
    Thu
  • $223
    Fri
  • $174
    Sat
  • $196
    Sun

Frequently Asked Questions

  • What are the cheapest flights from San Francisco to Seattle (SFO-SEA)?

    Based on Trip.com data, Hawaiian Airlines offers one-way fares as low as $41 on Cheapest nonstop routes (e.g. SFO to SEA on Wed, Feb 4), while Delta Air Lines offers Cheapest nonstop round-trips from $83 departing on Fri, Feb 6 and returning on Sun, Feb 8.
  • At the moment, you can catch a nonstop flight from San Francisco to Seattle with the following airlines, including: Alaska Airlines Hawaiian Airlines Delta Air Lines United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 2 hours 16 minutes to fly from San Francisco (SFO) to Seattle (SEA).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Francisco to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 106 flight per week flying from San Francisco to Seattle. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL2721 (06:06)
  • To find best deals on flights from San Francisco to Seattle, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Feb 4, with one-way flights priced at just $41.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Hawaiian Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Seattle travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Francisco to Seattle is November, when demand for travel is lower.
  • After crunching the numbers on our January flight calendar, it's currently cheapest to fly from San Francisco to Seattle on January 19, 2026 with Delta Air Lines, with prices starting at $41.
  • You can land at any one of the following hubs in Seattle, with San Francisco International Airport to Seattle–Tacoma International Airport (SFO-SEA) is by far the most common option on this route: Seattle–Tacoma International Airport (SEA) King County (Boeing Field) International Airport (BFI) Kenmore Air - Lake Union (LKE).
  • The time difference between Seattle and San Francisco is 0h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Flying from San Francisco to Seattle: What You Need to Know

The flight from San Francisco to Seattle takes about 2 hours nonstop—no time difference, as both cities are in the Pacific Time Zone.

Tip: SFO is busy + foggy—arrive 2 hours early. OAK/SJC are smoother—1.5 hours early works.

Airports in San Francisco

For Seattle flights, you’ll usually fly from:
San Francisco International (SFO) – Main hub (most flights).
Oakland International (OAK) – Budget option (across the bay).

San Francisco Airport (SFO)

Where: 13 miles south of downtown SF.
Terminals: 4 terminals (1, 2, 3, International). All connected post-security via AirTrain or walkways.
For Seattle flights: Mostly Terminal 2 (Alaska, Delta) or Terminal 3 (United).
Key tip: Allow extra time – summer fog causes delays. Security waits: 15–30+ mins.

Getting to SFO from downtown:
  • BART Train: Easiest/cheapest ($10.20–$11.20 USD, 30 mins from downtown). Runs 5 AM–midnight.
  • Rideshare (Uber/Lyft): $35–$55 USD (25–50 mins, traffic-heavy). Pickup on Departures Level.
  • Taxi: Flat rate $55–$65 USD to downtown.

Oakland Airport (OAK)

Where: 10 miles south of downtown Oakland (20 miles from SF).
Terminals: 2 terminals (1 + 2), connected via walkway.
For Seattle flights: Mostly Terminal 2 (Southwest, Spirit).
Key perk: Faster security (often <15 mins), cheaper parking.

Getting to OAK from SF:
  • BART + Airport Connector: Take BART to Coliseum Station → free shuttle to OAK ($10.95 USD total, 45 mins).
  • Rideshare: $50–$70+ USD from SF (bridge tolls add $7).
  • Taxi: $80–$100+ USD (not worth it).

Airports in Seattle

Seattle has one main airport:
Seattle-Tacoma International (SEA) – Handles all major flights.

Seattle Airport (SEA)

Where: 14 miles south of downtown Seattle.
Terminals: One main terminal split into North + South Satellites, connected by underground train.
For SF flights: Mostly Concourse C (Alaska) or Concourse A (Delta, United).
Key tip: Famous for long TSA lines – arrive 2+ hours early for domestic flights.

Getting to downtown Seattle:
  • LINK Light Rail: Best deal ($3.25 USD, 35 mins to downtown). Runs 5 AM–1 AM.
  • Rideshare (Uber/Lyft): $35–$55 USD (30–60 mins, I-5 traffic sucks).
  • Taxi: Flat rate $50 USD to downtown.
  • Shuttles: Shared vans ~$25 USD (slower, books ahead).

Best Time to Fly to Seattle

Good months to fly to Seattle are May-June or Sept-Oct. Mild weather (12-22°C / 55-72°F), less rain than winter, smaller crowds, and better prices on flights/hotels.
Summer (July-Aug) is peak season. Dry and warm (18-28°C / 65-82°F), long daylight hours, major festivals (Bumbershoot, Seafair). Expect crowds and highest prices. Book flights/hotels 3-5 months ahead. Wildfire smoke can occur.
Winter (Nov-Feb) is cool, wet, and gray (3-8°C / 37-46°F). Rain is frequent, daylight is short. Flights/hotels are cheapest except Thanksgiving/Christmas weeks. Rare snow can disrupt travel.
Cheapest Time to Fly: Fly Tue/Wed. Book flights 2-4 months out. Seattle-Tacoma (SEA) is the main airport—Link Light Rail connects to downtown in 35 mins.

Where to Stay in Seattle

Book Seattle hotels on Trip.com! Free cancellation helps with weather changes.

  • Downtown: Best for first-timers. Walk to Pike Place Market, waterfront, Seattle Art Museum. Major hotels (luxury to mid-range). Easy light rail/bus access. Can feel sterile at night.
  • Belltown: Trendy area near downtown. Bars, restaurants, nightlife, short walk to Space Needle. Boutique hotels and apartments. Lively evenings, can be noisy.
  • Fremont: Quirky, local feel ("Center of the Universe"). Near Gas Works Park, Fremont Troll. Budget-friendly B&Bs/vacation rentals. 20-min bus ride to downtown. Great for families.

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