HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Fremont

$134+ Cheap flights from Dulles Intl (IAD) 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SFO
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl 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. Dulles Intl to Fremont are usually found in February or May, booked 72 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Dulles Intl to Fremont

Cheapest flights from Dulles Intl to Fremont
Explore the most affordable flight options available from Dulles Intl to Fremont. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Kissandfly.com deal was found by Cheapflights users on 1/26. 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 2/2110:10 pm
IAD
-
SFO
Nonstop6h 18m
Frontier
Sat 2/2811:16 pm
SFO
-
IAD
1 stop8h 14m
Frontier
Deal found 1/26$255
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/2810:29 am
IAD
-
SFO
1 stop14h 52m
Frontier
Sun 3/810:40 pm
SFO
-
IAD
1 stop22h 51m
Frontier
Deal found 1/26$256
This Delta deal was found by Cheapflights users on 1/26. 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 2/186:00 am
IAD
-
SFO
1 stop8h 04m
Delta
Tue 2/246:05 am
SFO
-
IAD
1 stop9h 32m
Delta
Deal found 1/26$257
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Tue 4/76:00 am
IAD
-
SFO
1 stop16h 14m
Frontier
Sat 4/186:00 am
SFO
-
IAD
2 stops15h 36m
Frontier
Deal found 1/26$259
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Tue 4/76:00 am
IAD
-
SFO
1 stop16h 14m
Frontier
Mon 4/209:13 am
SFO
-
IAD
2 stops12h 23m
Frontier
Deal found 1/26$261
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/183:11 pm
IAD
-
SFO
1 stop10h 09m
American Airlines
Mon 3/26:00 am
SFO
-
IAD
2 stops11h 30m
American Airlines
Deal found 1/26$262
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Thu 2/2611:22 am
IAD
-
SFO
1 stop13h 17m
Frontier
Thu 3/58:48 am
SFO
-
IAD
2 stops19h 36m
Frontier
Deal found 1/27$263
This Expedia deal was found by Cheapflights users on 1/26. 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.
Fri 2/276:20 pm
IAD
-
SFO
1 stop8h 39m
Multiple Airlines
Sun 3/111:09 pm
SFO
-
IAD
1 stop8h 31m
Multiple Airlines
Deal found 1/26$264
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 2/1511:43 am
IAD
-
SFO
1 stop12h 56m
Frontier
Wed 2/1810:58 pm
SFO
-
IAD
1 stop8h 35m
Frontier
Deal found 1/26$265
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Thu 2/1911:22 am
IAD
-
SFO
1 stop13h 17m
Frontier
Sat 2/216:53 pm
SFO
-
IAD
2 stops12h 22m
Frontier
Deal found 1/26$266
This Delta deal was found by Cheapflights users on 1/26. 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 2/187:30 am
IAD
-
SFO
1 stop9h 18m
Delta
Fri 2/2010:45 pm
SFO
-
IAD
1 stop10h 05m
Delta
Deal found 1/26$267
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Sat 2/284:10 pm
IAD
-
SFO
Nonstop6h 15m
United Airlines
Sun 3/810:45 pm
SFO
-
IAD
Nonstop5h 11m
United Airlines
Deal found 1/26$268

Find flight deals from Dulles Intl to Fremont

Keep the following information in mind while searching for Dulles Intl to Fremont flight deals. Data was last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$255
(Expedia)

One-way from

$134
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$427
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. Dulles Intl to Fremont
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Fremont
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($22 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 January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 January 28, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Fremont that are best for you.

Fly from

Dulles Intl

Fly to

Fremont

Route

Depart

Return

Price

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sat 3/14

7:00 am-2:04 pm

1 stop10h 04m

San Francisco

Tue 3/17

2:20 pm-12:27 am

1 stop7h 07m

$257

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 4/28

5:30 pm-10:45 pm

1 stop8h 15m

San Francisco

Sat 5/2

12:45 pm-10:55 pm

1 stop7h 10m

$257

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 3/31

6:00 am-10:45 am

1 stop7h 45m

San Francisco

Tue 4/7

10:40 pm-11:32 am

1 stop9h 52m

$257

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Mon 4/27

5:07 pm-10:25 pm

1 stop8h 18m

San Francisco

Sat 5/2

10:35 pm-9:15 am

1 stop7h 40m

$267

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Mon 3/9

10:10 pm-1:28 am

Nonstop6h 18m

San Francisco

Fri 3/13

4:55 pm-1:03 am

Nonstop5h 08m

$297

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 2/18

6:00 am-11:04 am

1 stop8h 04m

San Francisco

Wed 2/18

10:55 pm-7:09 pm

1 stop17h 14m

$300

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Fri 3/6

4:45 pm-11:20 pm

1 stop9h 35m

San Francisco

Sun 3/8

10:25 am-12:15 am

1 stop10h 50m

$303

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 3/12

7:45 pm-12:50 am

1 stop8h 05m

San Francisco

Tue 3/17

6:45 am-11:40 pm

2 stops13h 55m

$308

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sat 3/14

4:10 pm-7:25 pm

Nonstop6h 15m

San Francisco

Tue 3/17

10:45 pm-6:56 am

Nonstop5h 11m

$317

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Mon 4/27

5:55 pm-11:05 pm

1 stop8h 10m

San Francisco

Sat 5/2

6:15 am-10:55 pm

2 stops13h 40m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 24 results
1
2
3

Best time to book a flight from Dulles Intl to Fremont

Have a flexible travel schedule? Discover the best time to fly to Fremont from Dulles Intl 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. Dulles Intl Airport to Fremont

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Fremont. Price data was last updated on January 23, 2026.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Fremont is 72 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Fremont (average of $188). Flying from Washington, D.C. Dulles Intl Airport to Fremont in June is currently the most expensive (average of $272). 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 IAD to FR8?

Find hourly flight availability from Dulles Intl 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 January 28, 2026.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Fremont is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 31% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Fremont. Price data was last updated on January 24, 2026.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Fremont flight should consider departing on Wednesday at noon 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.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Fremont

Explore weekly flight availability from Dulles Intl 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 January 28, 2026.

The most flights from IAD to FR8 are scheduled on a Friday (29 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (24 on average).

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 January 28, 2026.
Get a feel of what it's like to fly with Alaska Airlines, Hawaiian Airlines, and United Airlines from Washington, D.C. Dulles Intl Airport to Fremont by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,799 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,799 reviews
Alaska Airlines
8.0
Very good
11,799 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,829 reviews
Alaska Airlines
8.0
Very good
11,799 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,206 reviews
Alaska Airlines
8.0
Very good
11,799 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,200 reviews
Alaska Airlines
8.0
Very good
11,799 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Frontier
5.7
Fair
3,056 reviews
Alaska Airlines
8.0
Very good
11,799 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl Airport to Fremont?

    There are many flights that can get you from Washington, D.C. Dulles Intl Airport to Fremont in 6h 18m. Fly via Delta, Southwest, or United Airlines to get the fastest option. 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. Dulles Intl Airport to Fremont one-way?

    $87 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 reliable airlines from Washington, D.C. Dulles Intl Airport to Fremont?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Dulles Intl Airport to Fremont on time: Egyptair (83%), United Airlines (80%), Austrian Airlines (80%).

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

    While on average a flight from Washington, D.C. Dulles Intl Airport to Fremont is generally $1,538, our data shows the cheapest flight currently is $148. 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 Dulles Intl to Fremont that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Fremont flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Fremont?

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

  • Can I find deals for business class flights from Dulles Intl to Fremont?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Fremont?

    Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Fremont (average of $188). Flying from Washington, D.C. Dulles Intl Airport to Fremont in June is currently the most expensive (average of $272). 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 Dulles Intl to Fremont

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

Top 7 airlines flying from Dulles Intl to Fremont

Discover the top 7 airlines that operate flights from Dulles Intl 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 January 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$137Average$267FlexibilityNo cancel feeOn-time62%
DeltaCheapest$148Average$359FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$184Average$445FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$224Average$375FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$237Average$397FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$244Average$459FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$259Average$469FlexibilityNo cancel feeOn-time69%

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.
Site
Cookie settings©2026 Cheapflights