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Fremont

$127+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — SFO
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Fremont are usually found in May or September, booked 31 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap 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 July 29, 2025.

Round-trip from

$268
(CheapOair)

One-way from

$127
(Cheapflightsfares)

Popular in

December

Cheapest in

May

Average price

$427
From Washington, D.C. Dulles Intl to Fremont
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One-way flight from Washington, D.C. Dulles Intl to Fremont
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Highest demand for flights based on searches. 10% potential increase in price ($52 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 29, 2025.

This CheapOair deal was found by Cheapflights users on 7/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:30 amIAD - SFO
1 stop16h 51mFrontier
Sat 8/166:55 amSFO - IAD
1 stop20h 39mFrontier
Deal found 7/27$268
This Hawaiian Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 8/275:52 pmIAD - SFO
1 stop9h 07mHawaiian Airlines
Tue 9/26:00 amSFO - IAD
1 stop7h 52mHawaiian Airlines
Deal found 7/28$276
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 8/277:00 amIAD - SFO
1 stop11h 52mAlaska Airlines
Tue 9/26:00 amSFO - IAD
1 stop7h 52mAlaska Airlines
Deal found 7/29$277
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:40 pmIAD - SFO
1 stop9h 06mMultiple Airlines
Tue 11/117:00 amSFO - IAD
1 stop7h 13mMultiple Airlines
Deal found 7/29$280
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 8/236:15 pmIAD - SFO
1 stop8h 05mDelta
Sat 8/301:20 pmSFO - IAD
1 stop7h 12mDelta
Deal found 7/28$297
This Southwest deal was found by Cheapflights users on 7/28. 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.
Tue 8/262:25 pmIAD - SFO
2 stops10h 00mSouthwest
Wed 10/295:45 amSFO - IAD
1 stop7h 15mSouthwest
Deal found 7/28$302
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1611:52 amIAD - SFO
1 stop13h 59mSun Country Air
Sun 10/1911:59 pmSFO - IAD
1 stop8h 27mSun Country Air
Deal found 7/29$319
This American Airlines deal was found by Cheapflights users on 7/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:59 amIAD - SFO
2 stops12h 23mAmerican Airlines
Tue 11/119:15 amSFO - IAD
2 stops10h 52mAmerican Airlines
Deal found 7/29$327

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 July 29, 2025.
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

Wed 8/13

7:30 am-9:21 pm

1 stop16h 51m

San Francisco

Sat 8/16

6:55 am-6:34 am

1 stop20h 39m

$268

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 8/27

5:52 pm-11:59 pm

1 stop9h 07m

San Francisco

Tue 9/2

6:00 am-4:52 pm

1 stop7h 52m

$276

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Wed 8/27

7:00 am-3:52 pm

1 stop11h 52m

San Francisco

Tue 9/2

6:00 am-4:52 pm

1 stop7h 52m

$277

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 11/6

5:40 pm-11:46 pm

1 stop9h 06m

San Francisco

Tue 11/11

7:00 am-5:13 pm

1 stop7h 13m

$280

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sat 8/23

6:15 pm-11:20 pm

1 stop8h 05m

San Francisco

Sat 8/30

1:20 pm-11:32 pm

1 stop7h 12m

$297

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 8/26

2:25 pm-9:25 pm

2 stops10h 00m

San Francisco

Wed 10/29

5:45 am-4:00 pm

1 stop7h 15m

$302

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Thu 10/16

11:52 am-10:51 pm

1 stop13h 59m

San Francisco

Sun 10/19

11:59 pm-11:26 am

1 stop8h 27m

$319

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Fri 8/22

10:25 am-6:10 pm

2 stops10h 45m

San Francisco

Mon 8/25

12:51 pm-10:56 pm

1 stop7h 05m

$342

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 8/12

7:30 am-12:15 pm

1 stop7h 45m

$127

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sat 9/6

5:52 pm-11:40 pm

1 stop8h 48m

$138

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 14 results
1
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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 July 25, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Fremont is 23 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Fremont (average of $276). Flying from Washington, D.C. Dulles Intl Airport to Fremont in June is currently the most expensive (average of $358). 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 July 29, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Fremont, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Fremont flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday afternoons 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 July 29, 2025.

The most flights from IAD to FR8 are scheduled on a Tuesday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 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 July 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,605 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Overall

8.0

Entertainment

7.1

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    $127 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Hawaiian Airlines and Alaska Airlines, with prices starting from $138 and $144, 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: Ethiopian Air (95%), Egyptair (88%), Air China (79%).

  • 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 $1,841, our data shows the cheapest flight currently is $188. When looking at the most popular route, (Washington, D.C. Dulles Intl - San Francisco), you can expect to pay $253 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, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Fremont (average of $276). Flying from Washington, D.C. Dulles Intl Airport to Fremont in June is currently the most expensive (average of $358). 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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Alternative routes for Dulles Intl to Fremont

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Dulles Intl to Fremont

Discover the top 8 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$63Average$262FlexibilityNo cancel feeOn-time65%
FrontierCheapest$135Average$269FlexibilityNo cancel feeOn-time62%
DeltaCheapest$188Average$371FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$436FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$224Average$357FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$246Average$492FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$266Average$460FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$267Average$397FlexibilityNo cancel feeOn-time85%

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