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$155+ Cheap flights from Washington, D.C. (WAS) to Fremont, 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SFO
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Fremont are usually found in February or August, booked 70 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Washington, D.C. to Fremont

Cheapest flights from Washington, D.C. to Fremont
Explore the most affordable flight options available from Washington, D.C. to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Fri 6/59:23 pm
BWI
-
SFO
1 stop25h 34m
Frontier
Tue 6/910:58 pm
SFO
-
BWI
2 stops16h 34m
Frontier
Deal found 5/8$338
This Southwest deal was found by Cheapflights users on 5/8. 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 6/292:50 pm
BWI
-
SFO
Nonstop5h 40m
Southwest
Tue 7/79:10 pm
SFO
-
BWI
Nonstop5h 15m
Southwest
Deal found 5/8$339
This Delta deal was found by Cheapflights users on 5/8. 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.
Wed 6/36:10 am
BWI
-
SFO
1 stop7h 14m
Delta
Sat 6/68:25 am
SFO
-
BWI
1 stop9h 21m
Delta
Deal found 5/8$340
This Kiwi.com deal was found by Cheapflights users on 5/7. 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.
Wed 6/39:23 pm
BWI
-
SFO
1 stop25h 34m
Frontier
Mon 6/810:50 pm
SFO
-
BWI
2 stops21h 10m
Frontier
Deal found 5/7$341
This Kiwi.com deal was found by Cheapflights users on 5/8. 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 6/611:07 am
IAD
-
SFO
1 stop11h 50m
Frontier
Sun 6/1410:58 pm
SFO
-
IAD
1 stop30h 27m
Frontier
Deal found 5/8$343
This Southwest deal was found by Cheapflights users on 5/8. 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 6/36:25 pm
BWI
-
SFO
Nonstop6h 00m
Southwest
Tue 6/94:25 pm
SFO
-
BWI
1 stop10h 10m
Southwest
Deal found 5/8$343
This Vliegwinkel deal was found by Cheapflights users on 5/9. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:59 pm
DCA
-
SFO
Nonstop6h 04m
Multiple Airlines
Sat 6/66:00 am
SFO
-
DCA
1 stop27h 59m
Multiple Airlines
Deal found 5/9$343
This Kiwi.com deal was found by Cheapflights users on 5/8. 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.
Wed 6/1011:17 am
IAD
-
SFO
1 stop11h 38m
Frontier
Sun 6/1410:58 pm
SFO
-
IAD
1 stop30h 27m
Frontier
Deal found 5/8$344
This Expedia deal was found by Cheapflights users on 5/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:59 pm
DCA
-
SFO
Nonstop5h 57m
Multiple Airlines
Wed 8/512:33 pm
SFO
-
DCA
1 stop21h 18m
Multiple Airlines
Deal found 5/9$344
This Frontier deal was found by Cheapflights users on 5/9. 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.
Thu 5/2811:07 am
IAD
-
SFO
1 stop11h 27m
Frontier
Thu 6/188:45 pm
SFO
-
IAD
1 stop8h 40m
Frontier
Deal found 5/9$345
This Frontier deal was found by Cheapflights users on 5/9. 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.
Thu 5/288:52 am
BWI
-
SFO
1 stop13h 42m
Frontier
Sat 5/3010:15 pm
SFO
-
BWI
1 stop14h 19m
Frontier
Deal found 5/9$345
This Frontier deal was found by Cheapflights users on 5/9. 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.
Wed 5/271:59 pm
DCA
-
SFO
1 stop13h 24m
Frontier
Mon 6/156:00 am
SFO
-
DCA
1 stop7h 57m
Frontier
Deal found 5/9$345

Find flight deals from Washington, D.C. to Fremont

Keep the following information in mind while searching for Washington, D.C. to Fremont flight deals. Data was last updated May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$338
(Kiwi.com)

One-way from

$155
(Frontier)

Popular in

March

Cheapest in

February

Average price

$462
Provider with most accurate pricing for Washington, D.C. (WAS)-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San Francisco flights.
Search Deals
From Washington, D.C. (WAS) to Fremont
Search Deals
One-way flight from Washington, D.C. (WAS) to Fremont
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Fremont 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 May 10, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Fremont that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Fri 7/10

6:15 am-9:05 am

Nonstop5h 50m

San Francisco

Fri 7/17

10:40 pm-7:09 am

Nonstop5h 29m

$365

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Fri 7/3

2:05 pm-8:20 pm

2 stops9h 15m

San Francisco

Sat 7/4

5:20 am-5:55 pm

2 stops9h 35m

$369

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Fri 7/3

3:00 pm-9:50 pm

1 stop9h 50m

San Francisco

Mon 7/6

9:10 pm-5:25 am

Nonstop5h 15m

$375

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Wed 6/17

6:20 am-11:35 am

1 stop8h 15m

San Francisco

Thu 7/23

10:50 am-11:10 pm

1 stop9h 20m

$382

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Wed 8/12

9:59 am-2:51 pm

1 stop7h 52m

San Francisco

Tue 8/18

9:39 am-5:59 pm

Nonstop5h 20m

$400

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Tue 7/21

6:30 pm-12:10 am

1 stop8h 40m

San Francisco

Tue 7/28

9:10 pm-5:25 am

Nonstop5h 15m

$401

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Tue 7/7

6:38 am-9:28 am

Nonstop5h 50m

San Francisco

Mon 7/13

10:40 pm-7:10 am

Nonstop5h 30m

$402

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Fri 6/5

6:15 am-9:05 am

Nonstop5h 50m

San Francisco

Mon 6/8

10:35 pm-9:17 am

1 stop7h 42m

$407

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

Fri 6/19

10:40 am-3:28 pm

1 stop7h 48m

San Francisco

Fri 6/19

10:40 pm-7:10 am

Nonstop5h 30m

$412

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 7/14

6:30 am-9:12 am

Nonstop5h 42m

San Francisco

Tue 7/21

9:30 pm-5:53 am

Nonstop5h 23m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Washington, D.C. to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from Washington, D.C. 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 Washington, D.C. to Fremont

What is the cheapest time of day to fly from WAS to FR8?

Find hourly flight availability from Washington, D.C. to Fremont. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 10, 2026.

It’s typically best to fly out from Washington, D.C. to Fremont at noon. Doing so could potentially save you 36% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Washington, D.C. to Fremont?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Fremont. Price data was last updated on September 28, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Fremont flight should consider departing on Friday afternoons 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 Washington, D.C. to Fremont

Explore weekly flight availability from Washington, D.C. to Fremont. 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 May 10, 2026.

The most flights from WAS to FR8 are scheduled on a Sunday (45 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (31 on average).

How much does it cost to fly round-trip from Washington, D.C. to Fremont?

Reviews of airlines servicing Fremont

Get insights into the airlines that provide service to Fremont. 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 Fremont. Reviews last updated May 10, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andHawaiian Airlines from Washington, D.C. to Fremont have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,305 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Southwest
8.0
Very good
4,305 reviews
Southwest
8.0
Very good
4,305 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Alaska Airlines
7.9
Good
12,349 reviews
Southwest
8.0
Very good
4,305 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Hawaiian Airlines
7.8
Good
2,837 reviews
Southwest
8.0
Very good
4,305 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
United Airlines
7.4
Good
9,696 reviews
Southwest
8.0
Very good
4,305 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Frontier
5.6
Fair
2,958 reviews
Southwest
8.0
Very good
4,305 reviews

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Related info for your journey

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

  • How long is the flight from Washington, D.C. to Fremont?

    Airlines like United Airlines, Southwest, and Alaska Airlines fly from Washington, D.C. to Fremont in about 5h 50m. The time it takes to get you to your destination can typically vary by up to 3h 25m. Airlines will cover a distance of 2449 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Washington, D.C. to Fremont one-way?

    $66 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and Hawaiian Airlines, with prices starting from $92 and $118, respectively.

  • What are the most popular routes from Washington, D.C. to Fremont?

    While some choose either Baltimore/Washington - San Francisco or Washington, D.C. Reagan-National - San Francisco, Washington, D.C. Dulles Intl - San Francisco is the most popular route from Washington, D.C. to Fremont.

  • What are the most reliable airlines from Washington, D.C. to Fremont?

    Before booking your flight to Fremont from Washington, D.C., check out the most reliable airlines to get you to your destination on time: Egyptair (91%), ITA Airways (86%), Air New Zealand( 86%).

  • What are the cheapest flights from Washington, D.C. to Fremont?

    While on average a flight from Washington, D.C. to Fremont is generally $1,342, our data shows the cheapest flight currently is $228. When looking at the most popular route, (Washington, D.C. Dulles Intl - San Francisco), you can expect to pay $261 for that flight.

  • Can I find deals for flights from Washington, D.C. to Fremont that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Fremont flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Fremont?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Fremont.

  • Can I find deals for business class flights from Washington, D.C. to Fremont?

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

See more FAQs

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Top 10 airlines flying from Washington, D.C. to Fremont

Discover the top 10 airlines that operate flights from Washington, D.C. to Fremont. 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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$296FlexibilityNo cancel feeOn-time62%
DeltaCheapest$138Average$423FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$142Average$276FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$146Average$342FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$148Average$391FlexibilityNo cancel feeOn-time75%
Sun Country AirCheapest$162Average$335FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$198Average$498FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$213Average$427FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$222Average$492FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$236Average$503FlexibilityNo cancel feeOn-time71%

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