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Palo Alto

$137+ 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — SFO
jun. 23 — jun. 301
lun. 6/23
lun. 6/30
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 September, 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 junio 18, 2025.

Round-trip from

$274
(CheapOair)

One-way from

$137
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$470
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. 6% potential increase in price ($28 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 June 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 junio 18, 2025.

This CheapOair deal was found by Cheapflights users on 6/16. 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.
vie. 7/117:30 amIAD - SFO
1 stop7h 45mMultiple Airlines
dom. 7/2011:59 pmSFO - IAD
1 stop8h 44mMultiple Airlines
Deal found 6/16$274
This Priceline deal was found by Cheapflights users on 6/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/167:30 amIAD - SFO
1 stop7h 45mFrontier
mié. 7/238:53 pmSFO - IAD
1 stop12h 51mFrontier
Deal found 6/16$275
This Frontier deal was found by Cheapflights users on 6/16. 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.
vie. 7/111:00 pmDCA - SFO
1 stop14h 19mFrontier
mar. 7/226:37 amSFO - DCA
1 stop12h 20mFrontier
Deal found 6/16$275
This JetBlue deal was found by Cheapflights users on 6/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/95:20 pmDCA - SFO
1 stop9h 23mJetBlue
dom. 11/211:59 pmSFO - DCA
1 stop10h 02mJetBlue
Deal found 6/15$276
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
mié. 8/206:59 pmDCA - SFO
Nonstop5h 51mAlaska Airlines
mié. 9/39:34 amSFO - DCA
Nonstop5h 25mAlaska Airlines
Deal found 6/17$277
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
mar. 8/128:59 amDCA - SFO
2 stops11h 21mMultiple Airlines
mar. 8/2610:08 amSFO - DCA
1 stop8h 36mMultiple Airlines
Deal found 6/17$279
This Alaska Airlines deal was found by Cheapflights users on 6/17. 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.
mar. 8/197:59 pmIAD - SFO
Nonstop5h 47mAlaska Airlines
mar. 8/267:55 pmSFO - IAD
1 stop8h 37mAlaska Airlines
Deal found 6/17$287
This CheapOair deal was found by Cheapflights users on 6/16. 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.
mar. 7/82:59 pmBWI - SFO
1 stop22h 26mMultiple Airlines
jue. 7/1011:59 pmSFO - BWI
1 stop8h 30mMultiple Airlines
Deal found 6/16$289
This Trip.com deal was found by Cheapflights users on 6/17. 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.
vie. 8/296:59 pmDCA - SFO
Nonstop5h 51mHawaiian Airlines
mar. 9/210:08 amSFO - DCA
1 stop8h 36mHawaiian Airlines
Deal found 6/17$294
This FlightHub deal was found by Cheapflights users on 6/16. 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.
mié. 7/165:26 pmBWI - SFO
1 stop8h 59mFrontier
vie. 8/86:37 amSFO - BWI
1 stop6h 54mFrontier
Deal found 6/16$295
This Delta deal was found by Cheapflights users on 6/17. 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.
sáb. 8/166:15 pmIAD - SFO
1 stop8h 05mDelta
sáb. 8/231:20 pmSFO - IAD
1 stop7h 12mDelta
Deal found 6/17$297
This Hawaiian Airlines deal was found by Cheapflights users on 6/16. 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.
mar. 9/95:52 pmIAD - SFO
1 stop9h 07mHawaiian Airlines
mar. 9/166:00 amSFO - IAD
1 stop7h 47mHawaiian Airlines
Deal found 6/16$302

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 junio 18, 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

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

vie. 7/11

7:30 am-12:15 pm

1 stop7h 45m

San Francisco

dom. 7/20

11:59 pm-11:43 am

1 stop8h 44m

$274

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

mié. 7/16

7:30 am-12:15 pm

1 stop7h 45m

San Francisco

mié. 7/23

8:53 pm-12:44 pm

1 stop12h 51m

$275

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

vie. 7/11

6:00 pm-12:19 am

1 stop9h 19m

San Francisco

mié. 7/23

6:37 am-4:59 pm

1 stop7h 22m

$275

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

jue. 10/9

5:20 pm-11:43 pm

1 stop9h 23m

San Francisco

dom. 11/2

11:59 pm-1:01 pm

1 stop10h 02m

$276

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

mié. 8/20

6:59 pm-9:50 pm

Nonstop5h 51m

San Francisco

mié. 9/3

9:34 am-5:59 pm

Nonstop5h 25m

$277

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

mar. 8/12

8:59 am-5:20 pm

2 stops11h 21m

San Francisco

mar. 8/26

10:08 am-9:44 pm

1 stop8h 36m

$279

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

mar. 8/19

7:00 am-9:50 am

Nonstop5h 50m

San Francisco

vie. 8/22

12:43 am-11:36 am

1 stop7h 53m

$287

Washington, D.C.San Francisco

IAD - SFO

IADSFO

Washington, D.C. Dulles Intl

mar. 8/19

7:59 pm-10:46 pm

Nonstop5h 47m

San Francisco

mar. 8/26

7:55 pm-7:32 am

1 stop8h 37m

$287

BaltimoreSan Francisco

BWI - SFO

BWISFO

Baltimore/Washington

mar. 7/8

2:59 pm-10:25 am

1 stop22h 26m

San Francisco

jue. 7/10

11:59 pm-11:29 am

1 stop8h 30m

$289

Washington, D.C.San Francisco

DCA - SFO

DCASFO

Washington, D.C. Reagan-National

vie. 8/29

6:59 pm-9:50 pm

Nonstop5h 51m

San Francisco

mar. 9/2

10:08 am-9:44 pm

1 stop8h 36m

$294

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 53 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 June 13, 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 $362). 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 junio 18, 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. Sunday afternoons 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 junio 18, 2025.

The most flights from WAS to P4L are scheduled on a Tuesday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 on average).

Rainfall in Palo Alto by month

Plan your trip to Palo Alto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Palo Alto ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit Palo Alto when rainfall is around 0.0 in.

Temperature in Palo Alto by month

Plan your trip to Palo Alto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Palo Alto, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 junio 18, 2025.
To help decide which airline to fly from Washington, D.C. to Palo Alto, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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
4,280 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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
2,507 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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
8,810 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

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 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.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $137. However, be on the lookout for offers from Hawaiian Airlines and JetBlue, 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. Dulles Intl - San Francisco. You may also consider Washington, D.C. Reagan-National - 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 Ethiopian Air (93%), Qantas Airways (93%) or Egyptair (90%) 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 $1,144, our data indicates the cheapest price to be $157. The most popular route (Washington, D.C. Dulles Intl - San Francisco), is priced around $202.

  • 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 $362). 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

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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 junio 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$63Average$253FlexibilityNo cancel feeOn-time65%
FrontierCheapest$128Average$256FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$142Average$375FlexibilityNo cancel feeOn-time83%
Hawaiian AirlinesCheapest$158Average$385FlexibilityNo cancel feeOn-time85%
JetBlueCheapest$162Average$354FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$198Average$424FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$224Average$406FlexibilityNo cancel feeOn-time75%
DeltaCheapest$237Average$425FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$242Average$485FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$266Average$486FlexibilityNo cancel feeOn-time69%

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