HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Berkeley

$85+ Cheap flights from Seattle (SEA) to Berkeley, CA

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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Berkeley 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.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Berkeley are usually found in September or January, booked 88 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Seattle to Berkeley

Keep the following information in mind while searching for Seattle to Berkeley flight deals. Data was last updated July 31, 2025.

Round-trip from

$141
(Kiwi.com)

One-way from

$85
(Kissandfly.com)

Popular in

July

Cheapest in

September

Average price

$274
From Seattle/Tacoma Intl to Berkeley
Search Deals
One-way flight from Seattle/Tacoma Intl to Berkeley
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($12 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Seattle to Berkeley

Cheapest flights from Seattle to Berkeley
Explore the most affordable flight options available from Seattle to Berkeley. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/238:08 pmSEA - SFO
Nonstop2h 15mHawaiian Airlines
Sun 8/246:00 amSFO - SEA
Nonstop2h 07mHawaiian Airlines
Deal found 7/31$141
This Delta deal was found by Cheapflights users on 7/30. 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.
Sat 8/239:31 pmSEA - SFO
Nonstop2h 12mDelta
Sun 8/245:55 amSFO - SEA
Nonstop2h 10mDelta
Deal found 7/30$146
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/201:40 pmSEA - SFO
Nonstop2h 12mAlaska Airlines
Wed 8/278:00 amSFO - SEA
1 stop6h 26mAlaska Airlines
Deal found 7/31$147
This Kissandfly.com deal was found by Cheapflights users on 7/30. 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.
Sat 8/307:05 pmSEA - SFO
Nonstop2h 15mMultiple Airlines
Sun 8/319:43 amSFO - SEA
1 stop7h 16mMultiple Airlines
Deal found 7/30$151
This Southwest deal was found by Cheapflights users on 7/29. 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.
Sat 8/236:55 amSEA - SFO
2 stops9h 15mSouthwest
Tue 8/265:25 pmSFO - SEA
1 stop5h 25mSouthwest
Deal found 7/29$162
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 8/253:19 pmSEA - SFO
Nonstop2h 16mUnited Airlines
Thu 8/286:00 amSFO - SEA
Nonstop2h 19mUnited Airlines
Deal found 7/29$175

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Berkeley 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 July 31, 2025.
Use the filters below to find and compare flights from Seattle to Berkeley that are best for you.

Fly from

Seattle

Fly to

Berkeley

Route

Depart

Return

Price

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 8/23

8:08 pm-10:23 pm

Nonstop2h 15m

San Francisco

Sun 8/24

6:00 am-8:07 am

Nonstop2h 07m

$141

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 8/23

9:31 pm-11:43 pm

Nonstop2h 12m

San Francisco

Sun 8/24

5:55 am-8:05 am

Nonstop2h 10m

$146

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 8/20

1:40 pm-3:52 pm

Nonstop2h 12m

San Francisco

Wed 8/27

8:00 am-2:26 pm

1 stop6h 26m

$147

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 8/30

7:05 pm-9:20 pm

Nonstop2h 15m

San Francisco

Sun 8/31

9:43 am-4:59 pm

1 stop7h 16m

$151

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 8/23

6:55 am-4:10 pm

2 stops9h 15m

San Francisco

Tue 8/26

5:25 pm-10:50 pm

1 stop5h 25m

$162

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Mon 8/25

3:19 pm-5:35 pm

Nonstop2h 16m

San Francisco

Thu 8/28

6:00 am-8:19 am

Nonstop2h 19m

$175

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 12/16

5:30 am-8:49 am

1 stop3h 19m

$85

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 8/29

2:32 pm-8:51 pm

1 stop6h 19m

$89

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 10/30

9:32 pm-11:50 pm

Nonstop2h 18m

$91

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 8/21

10:40 am-7:15 pm

2 stops8h 35m

$93

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 13 results
1
2

Best time to book a flight from Seattle to Berkeley

Have a flexible travel schedule? Discover the best time to fly to Berkeley from Seattle 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.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Berkeley

How far ahead should I book a flight from Seattle to Berkeley?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Berkeley. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Berkeley, you should look to book at least 57 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seattle to Berkeley?

Currently, January is the cheapest month in which you can book a flight from Seattle to Berkeley (average of $276). Flying from Seattle to Berkeley in June is currently the most expensive (average of $358). 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 SEA to B9R?

Find hourly flight availability from Seattle to Berkeley. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Berkeley as you normally would.

What is the cheapest day to fly from Seattle to Berkeley?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Berkeley. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to Berkeley flight should consider departing on Wednesday at noon 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 Seattle to Berkeley

Explore weekly flight availability from Seattle to Berkeley. 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 July 31, 2025.

The most flights from SEA to B9R are scheduled on a Thursday (127 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (36 on average).

Reviews of airlines servicing Berkeley

Get insights into the airlines that provide service to Berkeley. 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 Berkeley. Reviews last updated July 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Seattle to Berkeley. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Berkeley. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Berkeley?

    Seattle/Tacoma Intl (SEA) is the airport you will fly out of if you book a flight from Seattle to Berkeley. You should not have trouble finding flights to Berkeley from Seattle/Tacoma Intl; the airport handles an average of 80 outbound flights to Berkeley per day. You should also have plenty of airline options to choose from since 8 airlines have flights from the Seattle airport to Berkeley. It is only a 11.4 mi journey to Seattle/Tacoma Intl (SEA) from Seattle’s city center.

  • How popular is this Seattle to Berkeley flight route?

    Within the past month, 124 users have taken a look at flights from Seattle/Tacoma Intl to Berkeley.

  • What are the cheapest airlines to fly from Seattle to Berkeley one-way?

    One-way options have recently been found by users for as low as $85 on Alaska Airlines. Other airlines that offer cheap prices include American Airlines from $89 and Southwest from $93 one-way.

  • What are the most reliable airlines from Seattle to Berkeley?

    Consider KLM (94%), China Southern (93%) or SWISS (92%) when booking your flight. These represent the most reliable airlines when flying from Seattle to Berkeley.

  • What are the cheapest flights from Seattle to Berkeley?

    While on average a flight from Seattle to Berkeley is generally $1,063, our data shows the cheapest flight currently is $74. When looking at the most popular route, (Seattle/Tacoma Intl - San Francisco), you can expect to pay $103 for that flight.

  • Can I find deals for flights from Seattle to Berkeley that include hotel bookings?

    Yes. In addition to deals on Seattle to Berkeley flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Berkeley?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Berkeley.

  • Can I find deals for business class flights from Seattle to Berkeley?

    Yes. Cheapflights offers flight deals from Seattle to Berkeley by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Berkeley?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Berkeley (average of $276). Flying from Seattle to Berkeley in June is currently the most expensive (average of $358). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Berkeley

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to San Francisco flights
Seattle to Las Vegas flights
Seattle to Los Angeles flights
Seattle to San Diego flights
Portland to Los Angeles flights
Seattle to Ontario flights
Seattle to Santa Ana flights
Seattle to San Jose flights
Portland to Santa Ana flights
Portland to Las Vegas flights
Portland to San Francisco flights
Everett to Las Vegas flights
Portland to Burbank flights
Portland to San Diego flights
Seattle to Burbank flights
Everett to Los Angeles flights
Seattle to Palm Springs flights
Portland to Ontario flights
Seattle to Reno flights
Seattle to Oakland flights
Portland to Oakland flights
Everett to San Diego flights
Everett to San Francisco flights
Portland to San Jose flights
Seattle to Monterey flights
Everett to Santa Ana flights
Seattle to Sacramento flights
Seattle to Redding flights
Spokane to Los Angeles flights
Portland to Sacramento flights
Seattle to Santa Barbara flights
Portland to Palm Springs flights
Portland to Reno flights
Spokane to Las Vegas flights
Seattle to Long Beach flights
Portland to Santa Rosa flights
Spokane to San Diego flights
Seattle to Fresno flights
Seattle to Santa Rosa flights
Portland to Long Beach flights
Pasco to Las Vegas flights
Seattle to Medford flights
Seattle to San Luis Obispo flights
Pasco to Los Angeles flights
Spokane to San Francisco flights
Portland to San Luis Obispo flights
Portland to Santa Barbara flights
Spokane to Ontario flights
Pasco to Ontario flights
Pasco to San Francisco flights

Top 8 airlines flying from Seattle to Berkeley

Discover the top 8 airlines that operate flights from Seattle to Berkeley. 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$65Average$194FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$78Average$246FlexibilityNo cancel feeOn-time85%
FrontierCheapest$100Average$214FlexibilityNo cancel feeOn-time62%
DeltaCheapest$103Average$217FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$116Average$261FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$120Average$245FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$126Average$239FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$226Average$392FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.