HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Fremont

$133+ 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 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SFO
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Fremont 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 Washington, D.C. to Fremont are usually found in May or August, booked 70 days in advance, depart on a Thursday or Wednesday 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 February 9, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/6. 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.
Sun 3/86:25 am
IAD
-
SFO
1 stop15h 49m
Frontier
Wed 3/116:00 am
SFO
-
IAD
2 stops15h 31m
Frontier
Deal found 2/6$255
This Kiwi.com deal was found by Cheapflights users on 2/7. 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.
Fri 4/31:00 pm
DCA
-
SFO
1 stop14h 23m
Frontier
Wed 4/156:00 am
SFO
-
DCA
1 stop12h 59m
Frontier
Deal found 2/7$255
This Frontier deal was found by Cheapflights users on 2/6. 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.
Sat 2/1411:37 am
IAD
-
SFO
1 stop13h 18m
Frontier
Fri 2/2710:34 pm
SFO
-
IAD
1 stop8h 00m
Frontier
Deal found 2/6$256
This Expedia deal was found by Cheapflights users on 2/5. 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.
Wed 2/182:00 pm
DCA
-
SFO
1 stop13h 28m
Frontier
Fri 2/206:15 am
SFO
-
DCA
1 stop7h 44m
Frontier
Deal found 2/5$256
This United Airlines deal was found by Cheapflights users on 2/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:15 am
IAD
-
SFO
Nonstop6h 15m
United Airlines
Mon 3/910:45 pm
SFO
-
IAD
Nonstop5h 11m
United Airlines
Deal found 2/8$257
This Delta deal was found by Cheapflights users on 2/8. 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 3/254:40 pm
DCA
-
SFO
1 stop10h 17m
Delta
Wed 4/15:50 am
SFO
-
DCA
1 stop7h 45m
Delta
Deal found 2/8$257
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 4/156:20 am
IAD
-
SFO
1 stop13h 34m
Frontier
Mon 4/2010:38 pm
SFO
-
IAD
1 stop22h 58m
Frontier
Deal found 2/6$258
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 2/282:00 pm
DCA
-
SFO
1 stop21h 03m
Frontier
Sat 3/76:00 am
SFO
-
DCA
1 stop7h 59m
Frontier
Deal found 2/6$258
This Kiwi.com deal was found by Cheapflights users on 2/6. 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 4/179:51 am
IAD
-
SFO
1 stop10h 03m
Frontier
Wed 4/226:00 am
SFO
-
IAD
2 stops15h 36m
Frontier
Deal found 2/6$259
This Expedia deal was found by Cheapflights users on 2/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:59 pm
DCA
-
SFO
Nonstop6h 20m
Multiple Airlines
Mon 3/98:44 pm
SFO
-
DCA
1 stop11h 16m
Multiple Airlines
Deal found 2/7$259
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/75:05 am
IAD
-
SFO
1 stop17h 15m
Frontier
Tue 3/1010:40 pm
SFO
-
IAD
1 stop22h 51m
Frontier
Deal found 2/8$260
This Cheapflightsfares deal was found by Cheapflights users on 2/7. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/281:25 pm
DCA
-
SFO
1 stop9h 09m
JetBlue
Tue 6/29:00 pm
SFO
-
DCA
1 stop9h 59m
JetBlue
Deal found 2/7$260

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 February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$255
(Kiwi.com)

One-way from

$133
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$402
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. 6% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 9, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Fremont that are best for you.

Fly from

Washington, D.C.

Fly to

Fremont

Route

Depart

Return

Price

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sat 5/2

1:00 pm-7:09 pm

1 stop9h 09m

San Francisco

Tue 5/5

12:06 pm-12:42 am

1 stop9h 36m

$257

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 3/4

7:05 am-3:48 pm

1 stop11h 43m

San Francisco

Mon 3/9

4:21 pm-5:40 am

1 stop10h 19m

$257

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 3/17

8:25 am-11:26 am

Nonstop6h 01m

San Francisco

Tue 3/24

11:20 pm-7:31 am

Nonstop5h 11m

$257

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Fri 3/6

7:40 pm-12:05 am

1 stop7h 25m

San Francisco

Wed 3/11

11:25 pm-11:15 am

1 stop8h 50m

$257

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 3/3

3:42 pm-11:49 pm

1 stop11h 07m

San Francisco

Sat 3/7

10:20 am-11:10 pm

1 stop9h 50m

$257

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 3/14

4:40 pm-12:06 am

1 stop10h 26m

San Francisco

Tue 3/17

5:50 am-4:35 pm

1 stop7h 45m

$257

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Fri 4/24

5:27 pm-11:55 pm

1 stop9h 28m

San Francisco

Sat 5/2

10:32 am-11:55 pm

1 stop10h 23m

$267

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 3/4

12:35 pm-7:56 pm

1 stop10h 21m

San Francisco

Fri 3/6

2:05 pm-12:21 am

1 stop7h 16m

$267

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 4/15

6:37 pm-11:54 pm

1 stop8h 17m

San Francisco

Mon 4/20

9:35 pm-9:15 am

1 stop8h 40m

$267

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 3/4

7:30 am-1:48 pm

1 stop9h 18m

San Francisco

Mon 3/9

10:35 pm-9:10 am

1 stop7h 35m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

Showing 1-10 of 60 results
1
2
3
...
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

How far ahead should I book a flight from Washington, D.C. to Fremont?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Fremont. Price data was last updated on February 6, 2026.

The price you pay for your flight from Washington, D.C. to Fremont may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. to Fremont?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Fremont (average of $102). Flying from Washington, D.C. to Fremont in February is currently the most expensive (average of $201). 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 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 February 9, 2026.

It’s typically best to fly out from Washington, D.C. to Fremont at noon. Doing so could potentially save you 38% 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 Saturday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 February 9, 2026.
See what other customers who have flown with Alaska Airlines, Hawaiian Airlines, and United 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.
Alaska Airlines
8.0
Very good
11,865 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
8.0
Very good
11,865 reviews
Alaska Airlines
8.0
Very good
11,865 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Hawaiian Airlines
7.8
Good
2,830 reviews
Alaska Airlines
8.0
Very good
11,865 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
United Airlines
7.4
Good
9,259 reviews
Alaska Airlines
8.0
Very good
11,865 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
American Airlines
7.2
Good
11,255 reviews
Alaska Airlines
8.0
Very good
11,865 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Frontier
5.7
Fair
3,051 reviews
Alaska Airlines
8.0
Very good
11,865 reviews

Boarding

8.1

Crew

8.5

Entertainment

7.0

Food

7.1

Overall

8.0

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

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 Delta, Alaska Airlines, and United Airlines fly from Washington, D.C. to Fremont in about 6h 01m. The time it takes to get you to your destination can typically vary by up to 5h 42m. Airlines will cover a distance of 2412 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?

    $68 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 Washington, D.C. Reagan-National - San Francisco or Baltimore/Washington - 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 (82%), Air China (77%), Air New Zealand( 77%).

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

    While on average a flight from Washington, D.C. to Fremont is generally $1,467, our data shows the cheapest flight currently is $138. When looking at the most popular route, (Washington, D.C. Dulles Intl - San Francisco), you can expect to pay $217 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.

  • What is the cheapest month to book a flight from Washington, D.C. to Fremont?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. to Fremont (average of $102). Flying from Washington, D.C. to Fremont in February is currently the most expensive (average of $201). 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 Washington, D.C. to Fremont

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Los Angeles flights
Dulles Intl to Las Vegas flights
Dulles Intl to Los Angeles flights
Reagan-National to Las Vegas flights
Reagan-National to San Francisco flights
Dulles Intl to San Francisco flights
Dulles Intl to San Diego flights
Dulles Intl to Ontario flights
Reagan-National to Ontario flights
Reagan-National to San Diego flights
Dulles Intl to Santa Ana flights
Dulles Intl to San Jose flights
Reagan-National to Santa Ana flights
Dulles Intl to Palm Springs flights
Reagan-National to San Jose flights
Dulles Intl to Sacramento flights
Dulles Intl to Oakland flights
Reagan-National to Oakland flights
Reagan-National to Palm Springs flights
Dulles Intl to Burbank flights
Dulles Intl to Reno flights
Reagan-National to Sacramento flights
Dulles Intl to Long Beach flights
Reagan-National to Burbank flights
Reagan-National to Reno flights
Dulles Intl to Santa Barbara flights
Reagan-National to Santa Barbara flights
Dulles Intl to Fresno flights
Reagan-National to Monterey flights
Dulles Intl to Monterey flights
Reagan-National to Fresno flights
Reagan-National to Long Beach flights
Dulles Intl to Medford flights
Dulles Intl to San Luis Obispo flights
Reagan-National to Arcata flights
Dulles Intl to Arcata flights
Reagan-National to Medford flights
Dulles Intl to Santa Rosa flights
Reagan-National to San Luis Obispo flights
Reagan-National to Bakersfield flights
Dulles Intl to Bakersfield flights
Reagan-National to Santa Rosa flights
Dulles Intl to Redding flights
Reagan-National to Tijuana flights
Dulles Intl to Yuma flights
Reagan-National to Yuma flights
Reagan-National to Redding flights
Dulles Intl to Mammoth Lakes flights
Dulles Intl to Merced flights
Reagan-National to Mammoth Lakes flights

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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$292FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$102Average$254FlexibilityNo cancel feeOn-time65%
DeltaCheapest$138Average$391FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$138Average$392FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$141Average$332FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$142Average$335FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$184Average$458FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$198Average$487FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$222Average$458FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$224Average$371FlexibilityNo cancel feeOn-time75%

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.