Saver Fare allows a carry-on but restricts seat selection and changes.
Premium Class offers extra legroom and free cocktails, but snacks require purchase.
$84+ Cheap flights from San Francisco to Seattle (SFO - SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEA
Dec 28 — Jan 41
1 adult, Economy
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Find cheap flights from San Francisco to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.The best prices from San Francisco to Seattle/Tacoma Intl are usually found in January or October, booked 83 days in advance, depart on a Wednesday or Saturday and return on a Saturday
Cheap flight deals from San Francisco to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2024.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $152 (Delta) |
One-way from | $84 (Delta) |
Popular in | June |
Cheapest in | January |
Average price | $296 |
Find flight deals from San Francisco to Seattle
Cheapest flights from San Francisco to SeattleExplore the most affordable flight options available from San Francisco to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2024.
Explore the most affordable flight options available from San Francisco to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2024.
This iWofly deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/308:00 amSFO - SEA
Nonstop2h 20mAlaska Airlines
Fri 1/39:40 pmSEA - SFO
Nonstop2h 18mAlaska Airlines
Deal found 12/23![Alaska Airlines logo]()
$252
This Trip.com deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:43 pmSFO - SEA
1 stop22h 08mFrontier
Wed 1/18:25 pmSEA - SFO
1 stop10h 49mFrontier
Deal found 12/23![Frontier logo]()
$279
This Kissandfly.com deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/269:29 pmSFO - SEA
Nonstop2h 15mMultiple Airlines
Thu 1/29:36 pmSEA - SFO
1 stop10h 23mMultiple Airlines
Deal found 12/22![Multiple Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:05 pmSFO - SEA
Nonstop2h 20mUnited Airlines
Wed 1/85:00 amSEA - SFO
1 stop7h 04mUnited Airlines
Deal found 12/22![United Airlines logo]()
$407
This American Airlines deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/294:25 pmSFO - SEA
1 stop7h 14mAmerican Airlines
Mon 1/67:59 pmSEA - SFO
Nonstop2h 13mAmerican Airlines
Deal found 12/23![American Airlines logo]()
$427
This Delta deal was found by Cheapflights users on 12/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/296:05 amSFO - SEA
Nonstop2h 20mDelta
Sun 1/57:20 amSEA - SFO
Nonstop2h 25mDelta
Deal found 12/23![Delta logo]()
$445
This Southwest deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/231:15 pmSFO - SEA
2 stops10h 40mSouthwest
Sun 1/56:05 pmSEA - SFO
1 stop6h 00mSouthwest
Deal found 12/22![Southwest logo]()
$521
Find flights from San Francisco to Seattle within your budget
Customize your flight search to find flights from San Francisco to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2024.
Fly from
Any airport
Fly to
Any airport
Route
Depart
Return
Price
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sat 3/8
6:10 am-8:35 am
Nonstop2h 25m
Seattle/Tacoma Intl
Thu 3/20
10:25 am-12:49 pm
Nonstop2h 24m
$152
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Tue 4/8
4:47 pm-7:01 pm
Nonstop2h 14m
Seattle/Tacoma Intl
Thu 4/10
1:56 pm-12:44 am
1 stop10h 48m
$153
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Tue 4/1
4:23 pm-9:56 pm
1 stop5h 33m
Seattle/Tacoma Intl
Tue 4/29
7:00 am-9:15 am
Nonstop2h 15m
$156
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sat 1/25
4:00 pm-10:43 pm
1 stop6h 43m
Seattle/Tacoma Intl
Wed 1/29
11:40 am-6:59 pm
1 stop7h 19m
$158
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Thu 1/16
6:05 am-3:35 pm
1 stop9h 30m
Seattle/Tacoma Intl
Sun 1/19
3:18 pm-12:09 am
1 stop8h 51m
$163
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Thu 1/16
1:25 pm-3:45 pm
Nonstop2h 20m
Seattle/Tacoma Intl
Sun 1/19
9:20 am-11:39 am
Nonstop2h 19m
$187
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sun 1/12
6:45 am-5:25 pm
2 stops10h 40m
Seattle/Tacoma Intl
Mon 1/13
12:25 pm-8:35 pm
2 stops8h 10m
$204
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sat 2/22
6:10 am-8:35 am
Nonstop2h 25m
$84
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sat 2/1
4:00 pm-10:43 pm
1 stop6h 43m
$86
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Fri 3/7
8:06 am-1:12 pm
1 stop5h 06m
$87
Showing 1-10 of 15 results
Compare providers for flights from San Francisco to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Seattle in December.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
The best insider tips for San Francisco to Seattle flights
Find out what our experts recommend to make the most of your San Francisco to Seattle trip
Airlines
![Alaska Airlines]()
Alaska Airlines
![Delta]()
Delta
Delta offers free Wi-Fi on most domestic flights for SkyMiles members.
Comfort Plus provides extra legroom, early boarding, and complimentary drinks.
![United Airlines]()
United Airlines
Basic Economy allows a personal item only; no carry-on bags permitted.
Economy Plus offers extra legroom seats at the front of the economy cabin.
Airports
Our travel experts
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Best time to book a flight from San Francisco to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Travel insights for flights from San Francisco to Seattle
Get recent, data-driven insights about flights from San Francisco to Seattle including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from San Francisco to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Seattle. Price data was last updated on December 20, 2024.
The best time to book flights from San Francisco to Seattle is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from San Francisco to Seattle?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Seattle (average of $238). Flying from San Francisco to Seattle in July is currently the most expensive (average of $411). 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 SFO to SEA?
Find hourly flight availability from San Francisco 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 December 23, 2024.
A simple way to save on the total cost of your ticket is to fly from San Francisco to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the afternoon.
What is the cheapest day to fly from San Francisco to Seattle?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Seattle. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their San Francisco to Seattle flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from San Francisco to Seattle
Explore weekly flight availability from San Francisco to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 23, 2024.
The most flights from SFO to SEA are scheduled on a Monday (86 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (40 on average).
Rainfall in Seattle by month
Plan your trip to Seattle by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.
Temperature in Seattle by month
Plan your trip to Seattle by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).
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 December 23, 2024.
Peruse reviews from past customers who have flown with Frontier, American Airlines and United Airlines from San Francisco to Seattle to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
4,780 reviews
Entertainment
7.7
Food
7.2
Boarding
8.2
Overall
8.1
Comfort
8.1
Crew
8.7
Reviews
1 / 10
Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.
4,780 reviews
4,780 reviews
Entertainment
7.7
Food
7.2
Boarding
8.2
Overall
8.1
Comfort
8.1
Crew
8.7
Reviews
1 / 10
Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.
9,549 reviews
4,780 reviews
Entertainment
7.7
Food
7.2
Boarding
8.2
Overall
8.1
Comfort
8.1
Crew
8.7
Reviews
1 / 10
Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.
8,588 reviews
4,780 reviews
Entertainment
7.7
Food
7.2
Boarding
8.2
Overall
8.1
Comfort
8.1
Crew
8.7
Reviews
1 / 10
Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.
9,020 reviews
4,780 reviews
Entertainment
7.7
Food
7.2
Boarding
8.2
Overall
8.1
Comfort
8.1
Crew
8.7
Reviews
1 / 10
Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.
10,000 reviews
4,780 reviews
Entertainment
7.7
Food
7.2
Boarding
8.2
Overall
8.1
Comfort
8.1
Crew
8.7
Reviews
1 / 10
Sheila did great! First time I have ever seen all three people in an exit row get out and read the safety information card AFTER the briefing. I like the boarding process. It seems a shame to UN-differentiate SW because of abuse of the early boarding process.
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for San Francisco to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from San Francisco to Seattle
Discover the top 6 airlines that operate flights from San Francisco 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 December 23, 2024.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$65 | Average$127 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$105 | Average$201 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$111 | Average$208 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$135 | Average$275 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$136 | Average$284 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$226 | Average$461 | FlexibilityNo cancel fee | On-time71% |