Cheap flights from San Francisco Bay Area to Seattle (SEA)
SFO — SEA
Jul 3 — Jul 101
Round-trip
1 adult, Economy
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Find flight deals from San Francisco Bay Area to Seattle
Keep the following information in mind while searching for San Francisco Bay Area to Seattle flight deals. Data was last updated June 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $174 (Southwest) |
One-way from | $99 (Delta) |
Popular in | November |
Cheapest in | February |
Average price | $279 |
Cheapflights Insights
Everything you need to know about your flight from San Francisco Bay Area to Seattle
Prices
Airlines
How far ahead should I book a flight from San Francisco Bay Area to Seattle?
The price you pay for your flight from San Francisco Bay Area to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 82 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Francisco Bay Area to Seattle?
Currently, February is the cheapest month in which you can book a flight from San Francisco Bay Area to Seattle (average of $166). Flying from San Francisco Bay Area to Seattle in May is currently the most expensive (average of $398). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from XIH to SEA?
Find hourly flight availability from San Francisco Bay Area to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 3, 2026.
When flying from San Francisco Bay Area to Seattle, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 14% versus a flight in the morning.
What is the cheapest day to fly from San Francisco Bay Area to Seattle?
Use this chart to determine the cheapest time to fly round-trip from San Francisco Bay Area to Seattle. Price data was last updated on May 30, 2026.
Travelers seeking maximum savings on their San Francisco Bay Area to Seattle flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated June 3, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from San Francisco Bay Area to Seattle have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Comfort
8.0
Entertainment
7.5
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from San Francisco Bay Area to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Lacey
Ocean Shores
Olympia
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Lynnwood
Renton
Ellensburg
Fife
Lakewood
Issaquah
Marysville
Shoreline
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San Francisco Bay Area and Seattle flights
Browse other San Francisco Bay Area and Seattle flight options. Last updated on June 3, 2026.
Popular flight searches
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Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 3, 2026.
Top 7 airlines flying from San Francisco Bay Area to Seattle
Discover the top 7 airlines that operate flights from San Francisco Bay Area to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$264 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$83 | Average$215 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$91 | Average$223 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$116 | Average$298 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$117 | Average$279 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$247 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$277 | Average$386 | FlexibilityNo cancel fee | On-time71% |