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$79+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Berkeley are usually found in January or September, booked 85 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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$154
(Kissandfly.com)

One-way from

$79
(Delta)

Popular in

June

Cheapest in

January

Average price

$247
Provider with most accurate pricing for Seattle/Tacoma Intl-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-San Francisco flights.
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From Seattle/Tacoma Intl to Berkeley
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One-way flight from Seattle/Tacoma Intl to Berkeley
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Highest demand for flights based on searches. 6% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 31, 2025.

This Kissandfly.com deal was found by Cheapflights users on 3/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/248:13 amSEA - SFO
Nonstop2h 17mMultiple Airlines
Mon 4/288:09 pmSFO - SEA
Nonstop2h 10mMultiple Airlines
Deal found 3/29$154
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/228:34 amSEA - SFO
1 stop5h 40mAlaska Airlines
Tue 4/296:40 amSFO - SEA
1 stop5h 28mAlaska Airlines
Deal found 3/30$156
This Hawaiian Airlines deal was found by Cheapflights users on 3/31. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/259:28 pmSEA - SFO
Nonstop2h 16mHawaiian Airlines
Mon 4/286:00 amSFO - SEA
Nonstop2h 05mHawaiian Airlines
Deal found 3/31$157
This Delta deal was found by Cheapflights users on 3/30. 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.
Sun 6/156:15 amSEA - SFO
Nonstop2h 17mDelta
Tue 6/245:55 amSFO - SEA
Nonstop2h 19mDelta
Deal found 3/30$162
This United Airlines deal was found by Cheapflights users on 3/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/285:10 pmSEA - SFO
1 stop5h 50mUnited Airlines
Mon 5/54:25 pmSFO - SEA
1 stop5h 32mUnited Airlines
Deal found 3/31$177
This Southwest deal was found by Cheapflights users on 3/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/306:15 pmSEA - SFO
1 stop5h 10mSouthwest
Wed 7/27:45 pmSFO - SEA
1 stop4h 45mSouthwest
Deal found 3/30$182
This Frontier deal was found by Cheapflights users on 3/31. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2512:30 pmSEA - SFO
1 stop12h 03mFrontier
Sat 4/2612:11 amSFO - SEA
1 stop12h 39mFrontier
Deal found 3/31$198
This American Airlines deal was found by Cheapflights users on 3/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/76:25 amSEA - SFO
1 stop6h 30mAmerican Airlines
Fri 5/91:05 pmSFO - SEA
1 stop5h 26mAmerican Airlines
Deal found 3/31$203

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 March 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

Thu 4/24

8:13 am-10:30 am

Nonstop2h 17m

San Francisco

Mon 4/28

8:09 pm-10:19 pm

Nonstop2h 10m

$154

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 4/22

8:34 am-2:14 pm

1 stop5h 40m

San Francisco

Tue 4/29

6:40 am-12:08 pm

1 stop5h 28m

$156

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 4/25

9:28 pm-11:44 pm

Nonstop2h 16m

San Francisco

Mon 4/28

6:00 am-8:05 am

Nonstop2h 05m

$157

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sun 6/15

6:15 am-8:32 am

Nonstop2h 17m

San Francisco

Sun 6/22

5:55 am-8:14 am

Nonstop2h 19m

$162

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Mon 4/28

5:10 pm-11:00 pm

1 stop5h 50m

San Francisco

Mon 5/5

4:25 pm-9:57 pm

1 stop5h 32m

$177

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 4/25

12:30 pm-12:33 am

1 stop12h 03m

San Francisco

Sat 4/26

12:11 am-12:50 pm

1 stop12h 39m

$198

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 5/7

6:25 am-12:55 pm

1 stop6h 30m

San Francisco

Fri 5/9

1:05 pm-6:31 pm

1 stop5h 26m

$203

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 4/22

9:15 am-6:45 pm

2 stops9h 30m

San Francisco

Thu 4/24

9:55 am-7:20 pm

2 stops9h 25m

$215

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sun 4/20

6:10 am-8:27 am

Nonstop2h 17m

$79

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 6/14

6:30 am-12:37 pm

1 stop6h 07m

$80

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 16 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 March 28, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Berkeley, you should look to book at least 85 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 $393). 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 March 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 Thursday at noon when fares are most often at their lowest. Tuesday evenings 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 March 31, 2025.

The most flights from SEA to B9R are scheduled on a Monday (94 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 Berkeley by month

Plan your trip to Berkeley by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Berkeley ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit Berkeley when rainfall is around 0.0 in.

Temperature in Berkeley by month

Plan your trip to Berkeley by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Berkeley, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 March 31, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Seattle to Berkeley have to say. 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
9,818 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.
Hawaiian Airlines
7.9
Good
2,342 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Crew

8.5

Entertainment

7.1

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Phally,Oct 2024

IAD - SFO

Service was good. We pre-ordered a snack but never made it to us.

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 57 outbound flights to Berkeley per day. You should also have plenty of airline options to choose from since 9 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, 126 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 $79 on Delta. Other airlines that offer cheap prices include American Airlines from $80 and Hawaiian Airlines from $82 one-way.

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

    Consider China Eastern (92%), Copa Airlines (89%) or SWISS (87%) 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 $1,274, our data shows the cheapest flight currently is $78. When looking at the most popular route, (Seattle/Tacoma Intl - San Francisco), you can expect to pay $127 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 $393). 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.

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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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$66Average$222FlexibilityNo cancel feeOn-time85%
FrontierCheapest$100Average$232FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$101Average$164FlexibilityNo cancel feeOn-time65%
DeltaCheapest$113Average$214FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$120Average$293FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$120Average$244FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$125Average$240FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$226Average$392FlexibilityNo cancel feeOn-time71%
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