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Cheap Flights from San Francisco Bay Area to Seattle

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco Bay Area to Seattle

Wed, Oct 28 - Tue, Nov 3
Frontier Logo
9:14 am - 9:45 amSFO  San Francisco-SEA Seattle/Tacoma Intl
24h 31m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:09 pm - 8:32 pmSEA  Seattle/Tacoma Intl-SFO San Francisco
24h 23m1 stop Los Angeles
$137Frontier
Mon, Nov 2 - Tue, Nov 3
Frontier Logo
10:23 pm - 10:59 amSFO  San Francisco-SEA Seattle/Tacoma Intl
12h 36m1 stop Las Vegas Harry Reid Intl
Frontier Logo
8:09 pm - 8:32 pmSEA  Seattle/Tacoma Intl-SFO San Francisco
24h 23m1 stop Los Angeles
$137Frontier
Sat, Nov 7 - Mon, Nov 9
Multiple Airlines Logo
7:25 pm - 6:54 pmSFO  San Francisco-SEA Seattle/Tacoma Intl
23h 29m1 stop Los Angeles
Multiple Airlines Logo
8:33 pm - 10:45 pmSEA  Seattle/Tacoma Intl-SFO San Francisco
2h 12mnonstop
$154Multiple Airlines
Wed, Nov 4 - Mon, Nov 9
Multiple Airlines Logo
7:25 pm - 6:54 pmSFO  San Francisco-SEA Seattle/Tacoma Intl
23h 29m1 stop Los Angeles
Multiple Airlines Logo
8:33 pm - 10:45 pmSEA  Seattle/Tacoma Intl-SFO San Francisco
2h 12mnonstop
$154Multiple Airlines
Tue, Oct 27 - Thu, Oct 29
Southwest Logo
7:35 pm - 9:45 pmOAK  Oakland-SEA Seattle/Tacoma Intl
2h 10mnonstop
Southwest Logo
6:55 am - 9:05 amSEA  Seattle/Tacoma Intl-OAK Oakland
2h 10mnonstop
$157Southwest
Tue, Oct 20 - Wed, Oct 21
Southwest Logo
7:35 pm - 9:45 pmOAK  Oakland-SEA Seattle/Tacoma Intl
2h 10mnonstop
Southwest Logo
8:25 pm - 10:40 pmSEA  Seattle/Tacoma Intl-OAK Oakland
2h 15mnonstop
$157Southwest
Thu, Jan 28 - Mon, Feb 1
American Airlines Logo
1:18 pm - 8:44 pmSTS  Santa Rosa Sonoma County-SEA Seattle/Tacoma Intl
7h 26m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:00 am - 12:48 pmSEA  Seattle/Tacoma Intl-STS Santa Rosa Sonoma County
6h 48m1 stop Phoenix Sky Harbor Intl
$159American Airlines
Tue, Oct 27 - Sat, Oct 31
Alaska Airlines Logo
7:53 pm - 10:00 pmOAK  Oakland-SEA Seattle/Tacoma Intl
2h 07mnonstop
Alaska Airlines Logo
4:47 pm - 6:54 pmSEA  Seattle/Tacoma Intl-OAK Oakland
2h 07mnonstop
$164Alaska Airlines
Tue, Oct 27 - Sat, Oct 31
Alaska Airlines Logo
9:43 am - 11:55 amSFO  San Francisco-SEA Seattle/Tacoma Intl
2h 12mnonstop
Alaska Airlines Logo
6:39 am - 8:49 amSEA  Seattle/Tacoma Intl-SFO San Francisco
2h 10mnonstop
$164Alaska Airlines
Tue, Oct 13 - Wed, Oct 14
American Airlines Logo
10:31 am - 4:07 pmSFO  San Francisco-SEA Seattle/Tacoma Intl
5h 36m1 stop Los Angeles
American Airlines Logo
6:00 am - 2:01 pmSEA  Seattle/Tacoma Intl-SFO San Francisco
8h 01m1 stop Phoenix Sky Harbor Intl
$177American Airlines
Useful Info

Good to know

Low season

January

Cheapest flight

$79
Best time to beat the crowds with an average 25% drop in price.
Most popular time to fly with an average 25% increase in price.
Flight from Oakland to Seattle

Flights from San Francisco Bay Area to Seattle: the best tips from KAYAK users

Insights shared by verified travelers who flew the route from San Francisco Bay Area to Seattle 
Verified travelerFlew with Alaska Airlines-Jun 2025
Oakland is a nice small airport. Getting through security was a breeze with TSA precheck. We did have to stand in line for about 20minutes to drop bags as there were no agents at the counter. I had the most delicious crispy Al pastore taco near face 14
Verified travelerFlew with Alaska Airlines-Jul 2024
It is a very crowded flight, so I advice to choose seats in advance. We didn’t have that option and that was the only complaint I’d have because they put us in the middle seats and we both wanted aisle seats. My sister was able to switch but I wasn’t. She was switched to the back, almost to the last row.

FAQs for booking flights from San Francisco Bay Area to Seattle

  • How does KAYAK find such low prices on flights from San Francisco Bay Area to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco Bay Area to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco Bay Area to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from San Francisco Bay Area is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco Bay Area to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to San Francisco Bay Area with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco Bay Area to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from San Francisco Bay Area up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 5 airlines serving from San Francisco Bay Area to Seattle

 
Need help choosing which airline to fly with from San Francisco Bay Area to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4189 reviews
8.6Crew
7.5Entertainment
8.0Comfort
7.0Food
8.1Boarding
Airline reviews

Southwest has been a nightmare. Delayed flights, missed connections, systems down. Never again am I flying southwest.

2.0 MediocrePhilip, Sep 2026
Read more Southwest reviews

Southwest has been a nightmare. Delayed flights, missed connections, systems down. Never again am I flying southwest.

had to check bag at gate when there was still overhead bin space. As usual the WIFI didn't really work.

Paid for premium extra leg room but the bin space for rows 1-3 had to go in rows 4-6 and 4-6 had to go to 7-9 because flight attendants have snacks and their luggage upfront. So we pay extra to have to fight thru traffic to get our bags. Only 2nd day of new seating so hope they fix this.

Delayed flight. Nicest crew member was a SW pilot flying seated next to me who kindly move to seat the final passenger. Flight extra delayed. My cup of refreshment of ginger ale was so packed with ice it was literally 2 sips.

Southwest is Southwest. No frills. If you're luck enough to get a happy crew (we did), then it makes for a nicer flight.

I would have liked to arrive on time - not 5 hours late!

Board Milian spokesman with pre boarding , not after A group and without my spouse. Total BS, back to Alaska Airlibes I GO. oner 1.2M miles and 900 flights, and every time I fly SWA I regret it, thos will be last time, I only flew SWA but to time requirements fir a Funeral. NEVER AGAIN SWA

Good crew, funny movies, but you need phone ports in the plane and better snacks. :)

Had a long layover in rainy Chicago. The staff were attentive - my husband needed a wheelchair due to a recent fall and unsteady on his feet. They are wonderful for those of us who need a bit of extra care. My only complaint was discovered upon unpacking our suitcases at home. One (we had 3 carry on size and one just a bit larger) had water damage to everything inside. All the clothing (just happened to be the case with the clean clothes) were wet. I know it was raining, but why would items inside be wet? The paperwork packed in this case was damp with ink running. There were momentos from our 10-day European vacation that I was hoping to scrapbook - but alas, they will be scrapped - too damaged to keep. The boxes of French chocolate were damp on the outside. My expensive camera now has a cracked screen and a Gaudi tea-for-one was cracked - even though it was packed in clothing. I know it happened on this flight as I repacked all four suitcases before leaving New York in the morning. My first unhappy experience with luggage at Southwest.

The a/c wasn’t working very well and it was a very hot flight

No communication on fact flight was delayed. Sat in sweltering plane for 45 min without explanation. Sat on airplane without explanation again after landing.understand delays happen but lack of communication and concern for my lost time was disappointing

This was the best flight I’ve ever been on- solely for the purpose that our pilot gave us a tour of the west coast. He didn’t need to do that but he did and it made the experience spectacular. Well done.

Seat didn’t recline at all- very uncomfortable after three hours

Service OK except could not make out much of what the pilot said when making announcements. Wish they would have had seat back screens. Charging ports were conveniently located. Overall very average experience. Far from the best, but I've had worse.

Flight canceled. Had to fly in the evening out of lax instead of 10am out of Burbank

I always have flown Alaska Airlines because I never had an issues. Their customers service is incredible and an amazing communication.

The seat on row 11 was a little hard cause my butt was hurting a little bit from sitting after and hour.

Subject: Formal Complaint – Incompetent Service and Denied Boarding on Flight 1409 (CLSVJM – Dear Alaska Airlines Customer Relations, I am writing to file a formal complaint regarding my experience on Flight 1409 departing from Seattle on 6/13/26. As a physician and business owner who frequently coordinates group travel, this was one of the worst airline experiences I have encountered. Upon arrival, I was informed that my check-in boarding pass was not official, despite successfully obtaining it electronically through your website/app with no warnings or indications of issues. My electronic boarding pass was rejected, leading to cancellation/denial of boarding. The gate agent (an older woman) was unhelpful, claimed my name had been announced multiple times (which it had not—she did not even know my name correctly), and mistakenly boarded my traveling companion under my name. Additionally, an older blonde staff member nearly failed to return my passport, highlighting a clear lack of training on your check-in and boarding systems. This chaos forced me onto a later flight while my group waited in Canada, unable to check into our Airbnb or pick up rental cars (as I was the primary booker). The entire incident caused significant business disruption, stress, and additional expenses. I have flown Alaska Airlines previously but will not consider it again without resolution. I request: • Full reimbursement of any additional costs incurred. • Appropriate compensation (vouchers/miles) for the inconvenience and poor service. • Confirmation of corrective actions for Please respond within 7-10 business days. Sincerely, Dr. Chunwen Teng

Never had so many staff members be rude and disrespectful. I had a staff member sarcastically call me “girly” after making me wait 20 minutes to be seen by her. I was able to print my luggage tag and she told me I was too late to check luggage I said the system obviously disagrees. And you had me wait way too long while you asked every single passenger ahead of me about their Disney vacations. She wasted so much time to then say “girly your bag won’t make it on the plane” I’m not her girly I’m a full grown adult. She needs to learn a hell of a lot of respect

The first flight was fine, great crew, but the plane was delayed 45 minutes to go to Seattle because of they were missing a ramp. That would make sense if the plane was actually at the gate. Not if we’re still waiting for a plane. After we landed we waited 30-45 minutes on the tarmac just to get off the plane. Alaska made me miss my connecting flight, wasting my time, and my money. I should honestly be reimbursed, but hey, when does the airline ever actually take accountability? Never.

The plane was a rather tired 737-800, with old style small luggage bins. Poor air flow. USB charger in the infotainment system was not functioning. The flight was 2 hours late due to crew rest requirements (not their fault). On arrival in Seattle, waited on the tarmac for 30 minutes with very few updates from the crew.

One of the restrooms didn’t work. The ones that did never got replenished. Flight attendant just sitting there on their phone. No notification that the bathroom was broken so long lines. Apathetic crew.

Checkin was good, fllight ws good. Onlly complaint is lack of foot on 6 hour flight from Seattle to Boston. Snacks were flimsy - chips and cookies. could have offered something more substantial for such a long flight. I know you can buy food in airport but for the price you pay for a ticket, they should step up for the passengers.

Flight delayed for two and half hours and then canceled altogether due to mechanical issues. No mechanic onsite to fix so had to send one from LAX.

There was a security issue at the airport and we were unable to land. We circled endlessly and then landed at another airfield for fuel. We then circled the airport again, almost landed but didn’t fully touch down before circling again. I am thankful to the crew for keeping us safe- the issue was the airline and staff at the airport getting us seats on our connecting flights. That part was hours of searching for someone and getting in double my steps.

Thank you for not flipping the plane on the run way. You guys get a 5 star rating for the flight!!!

Plane was turned around due to fog half way into the flight, Delta did not properly direct passengers to stay on same flight and instead failed to properly rebook on Alaska

Really liked the choice of the 4 free snack options. Crew great. Good vibe on plane.

There was no wifi even after my husband paid for wifi it wasn’t working. The plane looked and felt old.

Flight and seats were great. Food service was average at best. The real main problem we had is that we got cheeseburgers for the kids but the plates was extremely hot. Like ridiculously hot and the stewardess never said anything. Luckily or unluckily my wife touched the plate and was able to deal with it before the kids got burned.

Yall need to integrate your system with Alaska more efficiently. They booted me off the first flight because of a discrepancy on your end.

Unfortunately, I was put into the middle seat in the first row of premium seating. Sounds nice right? No! that is the worst seat in the plane. I wish I was in economy rather than be in that seat! There is no seat back pocket, no tray table, no charger. Nothing! so unless you're row mates are willing to let you share their basic amenities any flyer should have, you are stuck. It was the worst experience ever! And the flight attendant forgot to take my drink order. I felt like the forgotten flyer.

Delayed and cancelled flights were hard and very stressful, both ways!

The flight was CANCELED!!! Can’t get much more “poor” than that. I had to switch to American Airlines, add another layover and got home in Honolulu 4 hours later than I was supposed to be home. One bright spot was Josh with Alaska Airlines at SFO. He got me on a United Flight that got me home a few hours before I would have. Without him I would have gotten home almost 7 hours after my originally scheduled flight.

Canceled my flight within 24 hours, causing me arriving home midnight. Will never book Hawaiian airlines anymore

It was pretty good except there was no food, which was understandable because it was a short flight but I would have liked to at least have a snack; otherwise it was great. Staff/crew, great. Thank you

Everything was good for the price I paid. Crew was very nice.

I was put in seat 6B with no warning. Had no seat in front of me just sticks out in the aisle so I had to hold what I could and put the rest in a bin way further down.

I was booked thru Hawaiian Airlines (HA) on Kayak in February. I got 2 confirmation emails from Hawaiian Airlines in February. Even though the flight ticket informed me the flight was marketed thru HA and operated by Alaska Airlines (AA), I was never given any confirmation codes or anything from Kayak or AA to check into my flight online ahead of time. They also couldn't find the HA flight number I was given on their website and was told my flight did not exist unless I searched thru the AA website for flight details that was similar to the info HA gave me. The only way to check into my flight and make sure the flight still existed required me to get there 4 hours early. When I arrived at the airport, HA desk told me to go to AA desk. First AA desk redirected me to another desk, second AA desk told me to find someone with an iPad, and finally the iPad rep was able to help me. I also had to chat with AA reps online the night previous to my return trip because the same issue occurred.

There were several delays and we were stressed about making our connection. The announcements for boarding were hard to hear or understand. The seating was uncomfortable for a 6 hour flight.

This was an auto-rebook due to being delayed from an earlier UA connecting flight. The boarding was fine, but they sat me in a middle seat when my original booking was a window seat. Overall, the flight was fine as it still got me to my final destination.

The flight was delayed by a hour and I wish they had communicated it sooner. No issues on the plane, it did take a while for food to come.

Smooth and easy boarding, comfortable for the entire 5 hour flight, and the seat back entertainment was great! I appreciated all the features, from location info and maps, movies, the ability to connect with Bluetooth headphones, and good selection of movies. Food was good, normal airline snacks (I didn’t purchase anything)

it was so bad. I tried to board my flight from vancouver to saskatoon. And to my surprise they did not board me cause the flight was changed and no email was send to me. and on my boarding pass which i got from seattle says different flight. I did not knew anyone from Vancouver, air canada crew was rude, i asked for today flight but they were rude and i had early morning dental appointment in saskatoon. I was so much in pain and my whole day is wasted today. and i suffered alot. They did provide me hotel but they did not provide me any food. I am really really disappointed first time had so bad experience with air canada. I may think twice to book it again. If i can get any reply or any composition that would be great. Thanks

leg space better than expected. two washrooms for one plane isn't enough.

The seats on this flight were almost roomy enough to be the basic amount needed for human existence. I think my favorite part of this flight was it landed at an A gate, which was the most palatial part of Sea-Tac I've ever seen - a massive improvement from the S gates.

Everything was fantastic. Modern plane. All the amenities! Although the paid snacks and meals are pure robbery. Like i understand airlines need to make money, but 11$ USD for an overnight oats with some nuts in it and barely any pieces of apple.... Highway robbery

An hour and a half late is UNACCEPTABLE. The negative impact to our family is unconscionable. And for the price we were forced to pay...

Our flight was delayed many times throughout the day. The final delay was about 8 hours. I spent time in line to speak to someone at their understaffed desk, and also spent time waiting online and then chatting with a service rep. None of the United employees were any help at all. I desperately wanted to go get rest and possibly re-book my trip but I was denied any compensation or voucher for a hotel. I was repeatedly told it was not United's fault and therefore they had no compensation to offer. Overall, a cold and callous experience.

Flight crew and pilots did great. Flight way delayed due to a part needing replacement. Based on what the pilot indicated- the maintenance crew could’ve resolved this more efficiently than replacing whole part- and taken less time

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