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$66+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
Feb 4 — Feb 111
Tue 2/4
Tue 2/11
1 adult, Economy
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The best prices from Seattle/Tacoma Intl to Berkeley are usually found in February or September, booked 74 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Seattle to Berkeley

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Berkeley (B9R). 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 January 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$119
(Flightnetwork)

One-way from

$66
(Frontier)

Popular in

June

Cheapest in

February

Average price

$245
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. 5% potential increase in price ($15 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in January 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 January 30, 2025.

This Flightnetwork deal was found by Cheapflights users on 1/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2712:52 pmSEA - SFO
1 stop21h 10mFrontier
Sun 3/28:06 amSFO - SEA
1 stop5h 06mFrontier
Deal found 1/30$119
This Trip.com deal was found by Cheapflights users on 1/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/51:36 pmSEA - SFO
1 stop11h 07mMultiple Airlines
Wed 3/126:00 amSFO - SEA
Nonstop2h 15mMultiple Airlines
Deal found 1/29$137
This Alaska Airlines deal was found by Cheapflights users on 1/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2511:28 amSEA - SFO
Nonstop2h 19mAlaska Airlines
Tue 2/254:39 pmSFO - SEA
Nonstop2h 14mAlaska Airlines
Deal found 1/29$151
This Delta deal was found by Cheapflights users on 1/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/185:30 pmSEA - SFO
Nonstop2h 19mDelta
Wed 3/196:05 amSFO - SEA
Nonstop2h 21mDelta
Deal found 1/29$157
This Southwest deal was found by Cheapflights users on 1/29. 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.
Wed 2/197:30 amSEA - SFO
1 stop10h 05mSouthwest
Mon 2/246:45 amSFO - SEA
2 stops8h 45mSouthwest
Deal found 1/29$185
This United Airlines deal was found by Cheapflights users on 1/29. 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.
Fri 2/216:15 amSEA - SFO
1 stop6h 59mUnited Airlines
Sun 2/2310:35 pmSFO - SEA
Nonstop2h 20mUnited Airlines
Deal found 1/29$201

Find flights from Seattle to Berkeley within your budget

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 January 30, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 2/27

12:52 pm-10:02 am

1 stop21h 10m

San Francisco

Sun 3/2

8:06 am-1:12 pm

1 stop5h 06m

$119

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 2/19

1:34 pm-3:43 pm

Nonstop2h 09m

San Francisco

Mon 2/24

10:59 pm-2:44 pm

1 stop15h 45m

$139

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 2/25

1:34 pm-3:43 pm

Nonstop2h 09m

San Francisco

Tue 2/25

5:50 pm-8:00 pm

Nonstop2h 10m

$151

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 3/18

6:15 am-8:33 am

Nonstop2h 18m

San Francisco

Wed 3/26

6:05 am-8:26 am

Nonstop2h 21m

$157

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 2/19

7:30 am-2:50 pm

1 stop7h 20m

San Francisco

Mon 2/24

6:45 am-3:30 pm

2 stops8h 45m

$185

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 2/21

6:15 am-1:14 pm

1 stop6h 59m

San Francisco

Sun 2/23

10:35 pm-12:55 am

Nonstop2h 20m

$201

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 2/28

3:16 pm-12:43 am

1 stop9h 27m

$66

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 4/29

3:36 pm-5:49 pm

Nonstop2h 13m

$77

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Tue 2/25

6:10 am-8:31 am

Nonstop2h 21m

$79

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Mon 2/24

4:58 pm-7:10 pm

Nonstop2h 12m

$84

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/30

Showing 1-10 of 13 results
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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.

Travel insights for flights from Seattle to Berkeley

Get recent, data-driven insights about flights from Seattle to Berkeley including ideal travel times, pricing trends, and more.

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 January 24, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Berkeley, you should look to book at least 74 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 $405). 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 January 30, 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 Friday 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 January 30, 2025.

The most flights from SEA to B9R are scheduled on a Thursday (98 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (30 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 January 30, 2025.
See what other customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,585 reviews

Overall

8.1

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.1
Very good
4,585 reviews
Southwest
8.1
Very good
4,585 reviews

Overall

8.1

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Alaska Airlines
8.0
Very good
9,686 reviews
Southwest
8.1
Very good
4,585 reviews

Overall

8.1

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
8,450 reviews
Southwest
8.1
Very good
4,585 reviews

Overall

8.1

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
8,906 reviews
Southwest
8.1
Very good
4,585 reviews

Overall

8.1

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,585 reviews

Overall

8.1

Boarding

8.2

Food

7.1

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 20

8.0
Excellent

Christine,Aug 2024

DEN - LGB

No issues. I needed pre boarding and I was able to get it without issue

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 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, 137 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 $66 on Frontier. Other airlines that offer cheap prices include Alaska Airlines from $77 and Delta from $79 one-way.

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

    Consider Qantas Airways (88%), Air France (87%) or China Southern (85%) 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 $894, our data shows the cheapest flight currently is $58. When looking at the most popular route, (Seattle/Tacoma Intl - San Francisco), you can expect to pay $128 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 $405). 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 7 airlines flying from Seattle to Berkeley

Discover the top 7 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 January 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$101Average$158FlexibilityNo cancel feeOn-time65%
FrontierCheapest$102Average$181FlexibilityNo cancel feeOn-time62%
DeltaCheapest$112Average$217FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$117Average$252FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$118Average$247FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$120Average$288FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$226Average$393FlexibilityNo cancel feeOn-time71%
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