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Palo Alto

$123+ Cheap flights from Washington, D.C. (WAS) to Palo Alto, 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SFO
Aug 11 — Aug 181
Mon 8/11
Mon 8/18
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Palo Alto are usually found in February or May, booked 74 days in advance, depart on a Thursday or Friday and return on a Wednesday

Cheap flight deals from Washington, D.C. to Palo Alto

Keep the following information in mind while searching for Washington, D.C. to Palo Alto flight deals. Data was last updated August 6, 2025.

Round-trip from

$264
(Trip.com)

One-way from

$123
(Southwest)

Popular in

December

Cheapest in

February

Average price

$397
From Washington, D.C. (WAS) to Palo Alto
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One-way flight from Washington, D.C. (WAS) to Palo Alto
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Highest demand for flights based on searches. 7% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Washington, D.C. to Palo Alto

Cheapest flights from Washington, D.C. to Palo Alto
Explore the most affordable flight options available from Washington, D.C. to Palo Alto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 8/5. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/256:59 pmDCA - SFO
Nonstop5h 56mHawaiian Airlines
Tue 10/289:12 amSFO - DCA
1 stop7h 48mHawaiian Airlines
Deal found 8/5$264
This FlightHub deal was found by Cheapflights users on 8/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/127:30 amIAD - SFO
1 stop7h 45mFrontier
Wed 8/208:00 amSFO - IAD
1 stop19h 30mFrontier
Deal found 8/5$265
This FlightHub deal was found by Cheapflights users on 8/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/121:00 pmDCA - SFO
1 stop13h 25mFrontier
Sat 8/236:34 amSFO - DCA
1 stop12h 25mFrontier
Deal found 8/4$265
This Southwest deal was found by Cheapflights users on 8/4. 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.
Sat 10/256:40 amIAD - SFO
1 stop8h 10mSouthwest
Wed 10/295:45 amSFO - IAD
1 stop7h 15mSouthwest
Deal found 8/4$266
This Trip.com deal was found by Cheapflights users on 8/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/248:00 amDCA - SFO
1 stop10h 52mHawaiian Airlines
Tue 9/309:34 amSFO - DCA
Nonstop5h 25mHawaiian Airlines
Deal found 8/5$266
This Trip.com deal was found by Cheapflights users on 8/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:52 pmIAD - SFO
1 stop8h 48mHawaiian Airlines
Sat 9/276:00 amSFO - IAD
1 stop7h 52mHawaiian Airlines
Deal found 8/6$267
This United Airlines deal was found by Cheapflights users on 8/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/36:00 pmDCA - SFO
1 stop8h 59mUnited Airlines
Sat 9/61:20 pmSFO - DCA
Nonstop5h 17mUnited Airlines
Deal found 8/5$267
This Southwest deal was found by Cheapflights users on 8/4. 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 9/95:45 amIAD - SFO
1 stop7h 20mSouthwest
Mon 9/155:15 amSFO - IAD
1 stop7h 30mSouthwest
Deal found 8/4$268
This Trip.com deal was found by Cheapflights users on 8/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:10 pmDCA - SFO
1 stop9h 38mJetBlue
Sat 9/610:00 pmSFO - DCA
1 stop8h 56mJetBlue
Deal found 8/5$268
This Trip.com deal was found by Cheapflights users on 8/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:52 pmIAD - SFO
1 stop8h 48mHawaiian Airlines
Sat 9/66:00 amSFO - IAD
1 stop7h 52mHawaiian Airlines
Deal found 8/5$269
This Southwest deal was found by Cheapflights users on 8/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/302:00 pmDCA - SFO
2 stops9h 25mSouthwest
Sat 9/66:50 amSFO - DCA
2 stops10h 35mSouthwest
Deal found 8/5$269
This Southwest deal was found by Cheapflights users on 8/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/44:30 pmIAD - SFO
1 stop9h 50mSouthwest
Thu 9/115:15 amSFO - IAD
1 stop7h 30mSouthwest
Deal found 8/5$270

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Palo Alto 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 August 6, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Palo Alto that are best for you.

Fly from

Washington, D.C.

Fly to

Palo Alto

Route

Depart

Return

Price

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 10/25

6:59 pm-9:55 pm

Nonstop5h 56m

San Francisco

Tue 10/28

9:12 am-8:00 pm

1 stop7h 48m

$264

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

San Francisco

Wed 8/20

8:00 am-6:30 am

1 stop19h 30m

$265

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Tue 8/12

1:00 pm-11:25 pm

1 stop13h 25m

San Francisco

Sat 8/23

6:34 am-9:59 pm

1 stop12h 25m

$265

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sat 10/25

6:40 am-11:50 am

1 stop8h 10m

San Francisco

Wed 10/29

5:45 am-4:00 pm

1 stop7h 15m

$266

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Wed 9/24

8:00 am-3:52 pm

1 stop10h 52m

San Francisco

Tue 9/30

9:34 am-5:59 pm

Nonstop5h 25m

$266

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Wed 9/3

6:00 pm-11:59 pm

1 stop8h 59m

San Francisco

Sat 9/6

1:20 pm-9:37 pm

Nonstop5h 17m

$267

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Sat 9/20

5:52 pm-11:40 pm

1 stop8h 48m

San Francisco

Sat 9/27

6:00 am-4:52 pm

1 stop7h 52m

$267

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 8/30

5:10 pm-11:48 pm

1 stop9h 38m

San Francisco

Sat 9/6

10:00 pm-9:56 am

1 stop8h 56m

$268

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

Tue 9/9

5:45 am-10:05 am

1 stop7h 20m

San Francisco

Mon 9/15

5:15 am-3:45 pm

1 stop7h 30m

$268

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

Sat 8/30

2:00 pm-8:25 pm

2 stops9h 25m

San Francisco

Sat 9/6

6:50 am-8:25 pm

2 stops10h 35m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 60 results
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Best time to book a flight from Washington, D.C. to Palo Alto

Have a flexible travel schedule? Discover the best time to fly to Palo Alto 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 Palo Alto

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Palo Alto. Price data was last updated on August 1, 2025.

The price you pay for your flight from Washington, D.C. to Palo Alto may vary depending on when you book. For the best chance of a lower fare, look to book 74 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 Palo Alto?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Palo Alto (average of $276). Flying from Washington, D.C. to Palo Alto 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 WAS to P4L?

Find hourly flight availability from Washington, D.C. to Palo Alto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 6, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. to Palo Alto as you normally would.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Palo Alto. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Palo Alto flight should consider departing on Thursday evenings 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. to Palo Alto

Explore weekly flight availability from Washington, D.C. to Palo Alto. 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 August 6, 2025.

The most flights from WAS to P4L are scheduled on a Wednesday (55 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (42 on average).

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

Reviews of airlines servicing Palo Alto

Get insights into the airlines that provide service to Palo Alto. 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 Palo Alto. Reviews last updated August 6, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Washington, D.C. to Palo Alto 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
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Southwest
8.0
Very good
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Delta
8.0
Very good
7,985 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
Hawaiian Airlines
7.8
Good
2,628 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)
United Airlines
7.4
Good
8,917 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Entertainment

7.0

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

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

  • How popular is this Washington, D.C. to Palo Alto flight route?

    The Washington, D.C. to Palo Alto flight path was viewed by 22 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $123. However, be on the lookout for offers from Hawaiian Airlines and Frontier, as they are both options that can get you from Washington, D.C. to Palo Alto for a low price.

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

    The most popular route from Washington, D.C. to Palo Alto is Washington, D.C. Reagan-National - San Francisco. You may also consider Washington, D.C. Dulles Intl - San Francisco or Baltimore/Washington - San Francisco.

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

    No one likes to see their flight delayed. When booking a flight from Washington, D.C. to Palo Alto consider choosing Southwest (82%), ANA (80%) or Virgin Australia (75%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from Washington, D.C. to Palo Alto? While on average our users pay $1,201, our data indicates the cheapest price to be $138. The most popular route (Washington, D.C. Reagan-National - San Francisco), is priced around $186.

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

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

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

    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 Palo Alto.

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

    Yes. Cheapflights offers flight deals from Washington, D.C. to Palo Alto 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 Palo Alto?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. to Palo Alto (average of $276). Flying from Washington, D.C. to Palo Alto 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.

See more FAQs

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Alternative routes for Washington, D.C. to Palo Alto

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Washington, D.C. to Palo Alto

Discover the top 10 airlines that operate flights from Washington, D.C. to Palo Alto. 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 August 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$101Average$236FlexibilityNo cancel feeOn-time65%
FrontierCheapest$120Average$260FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$142Average$426FlexibilityNo cancel feeOn-time83%
Hawaiian AirlinesCheapest$158Average$406FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$162Average$346FlexibilityNo cancel feeOn-time62%
DeltaCheapest$188Average$391FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$198Average$436FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$224Average$410FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$246Average$474FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$266Average$473FlexibilityNo cancel feeOn-time69%

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