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$72+ Cheap flights from San Diego (SAN) to Washington

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SEA
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheap flight deals from San Diego to Washington

Keep the following information in mind while searching for San Diego to Washington flight deals. Data was last updated agosto 14, 2025.

Round-trip from

$143
(CheapOair)

One-way from

$72
(CheapOair)

Popular in

July

Cheapest in

January

Average price

$257

Good round-trip deal

$157 or less

Good one-way deal

$108 or less
From San Diego to Washington
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One-way flight from San Diego to Washington
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Highest demand for flights based on searches. 13% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from San Diego to Washington.
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Price to beat on a one-way flight from San Diego to Washington.
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Find flight deals from San Diego to Washington

Cheapest flights from San Diego to Washington
Explore the most affordable flight options available from San Diego to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

This CheapOair deal was found by Cheapflights users on 8/13. 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.
jue. 9/46:25 amSAN - PAE
1 stop11h 26mFrontier
dom. 9/76:41 pmPAE - SAN
1 stop4h 36mFrontier
Deal found 8/13$143
This CheapOair deal was found by Cheapflights users on 8/13. 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.
jue. 9/412:33 pmSAN - PAE
1 stop5h 18mFrontier
lun. 9/812:56 pmPAE - SAN
1 stop10h 57mFrontier
Deal found 8/13$146
This CheapOair deal was found by Cheapflights users on 8/14. 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.
dom. 9/1410:20 amSAN - PAE
1 stop25h 30mFrontier
lun. 9/2212:56 pmPAE - SAN
1 stop10h 57mFrontier
Deal found 8/14$148
This Southwest deal was found by Cheapflights users on 8/12. 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.
vie. 10/312:40 pmSAN - GEG
1 stop6h 20mSouthwest
dom. 11/210:05 amGEG - SAN
1 stop4h 20mSouthwest
Deal found 8/12$154
This CheapOair deal was found by Cheapflights users on 8/13. 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. 9/56:15 amSAN - PDX
1 stop4h 56mSpirit Airlines
dom. 9/712:07 pmPDX - SAN
1 stop11h 27mSpirit Airlines
Deal found 8/13$156
This Trip.com deal was found by Cheapflights users on 8/13. 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.
jue. 9/116:15 amSAN - PDX
1 stop4h 56mMultiple Airlines
mar. 9/165:41 pmPDX - SAN
Nonstop2h 37mMultiple Airlines
Deal found 8/13$157
This Alaska Airlines deal was found by Cheapflights users on 8/14. 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. 9/166:35 amSAN - PAE
Nonstop3h 12mAlaska Airlines
sáb. 9/207:00 amPAE - SAN
Nonstop2h 53mAlaska Airlines
Deal found 8/14$157
This Hawaiian Airlines deal was found by Cheapflights users on 8/13. 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. 10/77:50 pmSAN - GEG
Nonstop2h 51mHawaiian Airlines
sáb. 10/117:00 amGEG - SAN
Nonstop2h 55mHawaiian Airlines
Deal found 8/13$157
This FlightHub deal was found by Cheapflights users on 8/14. 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.
sáb. 9/271:35 pmSAN - PDX
1 stop5h 48mSpirit Airlines
dom. 9/2812:07 pmPDX - SAN
1 stop19h 22mSpirit Airlines
Deal found 8/14$158
This Frontier deal was found by Cheapflights users on 8/14. 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.
jue. 9/412:04 pmSAN - SEA
1 stop12h 26mFrontier
lun. 9/81:49 pmSEA - SAN
1 stop9h 28mFrontier
Deal found 8/14$158
This Delta deal was found by Cheapflights users on 8/14. 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.
mar. 10/147:05 pmSAN - GEG
1 stop4h 54mDelta
lun. 10/201:10 pmGEG - SAN
1 stop5h 33mDelta
Deal found 8/14$158
This FlightHub deal was found by Cheapflights users on 8/13. 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.
vie. 10/246:15 amSAN - PDX
1 stop5h 27mSpirit Airlines
dom. 10/267:42 pmPDX - SAN
1 stop11h 44mSpirit Airlines
Deal found 8/13$159

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Washington 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 agosto 14, 2025.
Use the filters below to find and compare flights from San Diego to Washington that are best for you.

Fly from

San Diego

Fly to

Washington

Route

Depart

Return

Price

San DiegoEverett

SAN - PAE

SANPAE

San Diego

jue. 9/4

6:25 am-5:51 pm

1 stop11h 26m

Everett Paine Field

dom. 9/7

6:41 pm-11:17 pm

1 stop4h 36m

$143

San DiegoEverett

SAN - PAE

SANPAE

San Diego

jue. 9/25

6:25 am-5:51 pm

1 stop11h 26m

Everett Paine Field

dom. 9/28

6:41 pm-11:48 am

1 stop17h 07m

$143

San DiegoEverett

SAN - PAE

SANPAE

San Diego

jue. 9/4

12:33 pm-5:51 pm

1 stop5h 18m

Everett Paine Field

lun. 9/8

12:56 pm-11:53 pm

1 stop10h 57m

$146

San DiegoEverett

SAN - PAE

SANPAE

San Diego

jue. 9/25

12:33 pm-5:51 pm

1 stop5h 18m

Everett Paine Field

lun. 9/29

12:56 pm-11:53 pm

1 stop10h 57m

$146

San DiegoEverett

SAN - PAE

SANPAE

San Diego

dom. 9/14

10:20 am-11:50 am

1 stop25h 30m

Everett Paine Field

lun. 9/22

12:56 pm-11:53 pm

1 stop10h 57m

$148

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

vie. 10/31

2:40 pm-9:00 pm

1 stop6h 20m

Spokane

dom. 11/2

10:05 am-2:25 pm

1 stop4h 20m

$154

San DiegoEverett

SAN - PAE

SANPAE

San Diego

mar. 9/9

6:35 am-9:47 am

Nonstop3h 12m

Everett Paine Field

mar. 9/16

7:00 am-9:53 am

Nonstop2h 53m

$157

San DiegoPortland

SAN - PDX

SANPDX

San Diego

vie. 10/24

6:15 am-11:42 am

1 stop5h 27m

Portland

dom. 10/26

7:42 pm-7:26 am

1 stop11h 44m

$157

San DiegoPortland

SAN - PDX

SANPDX

San Diego

mié. 9/10

1:35 pm-7:23 pm

1 stop5h 48m

Portland

dom. 9/14

12:07 pm-11:17 pm

1 stop11h 10m

$157

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

sáb. 9/20

8:03 pm-10:52 pm

Nonstop2h 49m

Spokane

mié. 9/24

7:00 am-9:52 am

Nonstop2h 52m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 60 results
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Best time to book a flight from San Diego to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from San Diego 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 San Diego to Washington

What is the cheapest month to book a flight from San Diego to State of Washington?

Currently, January is the cheapest month in which you can book a flight from San Diego to State of Washington (average of $238). Flying from San Diego to State of Washington in June is currently the most expensive (average of $389). 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 SAN to WA?

Find hourly flight availability from San Diego to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 14, 2025.

When flying from San Diego to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from San Diego to State of Washington

Explore weekly flight availability from San Diego to Washington. 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 agosto 14, 2025.

The most flights from SAN to USWA are scheduled on a Thursday (72 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 on average).

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated agosto 14, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from San Diego to Washington to help guide your decision. 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

Overall

8.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Southwest
8.0
Very good
4,244 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Hawaiian Airlines
7.8
Good
2,656 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Frontier
5.8
Fair
3,217 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

Related info for your journey

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

  • What airport do you fly from for flights from San Diego to Washington?

    Located just 2.6 mi from the city center, San Diego (SAN) is the airport most travelers will use when flying to Washington from San Diego.

  • How popular is this San Diego to State of Washington flight route?

    This flight path from San Diego to Washington was viewed by 137 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 San Diego to State of Washington one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $72. However, be on the lookout for offers from Delta and Southwest, as they are both options that can get you from San Diego to State of Washington for a low price.

  • What are the most popular routes from San Diego to State of Washington?

    Most travelers choose San Diego - Seattle/Tacoma Intl, San Diego - Portland or San Diego - Everett Paine Field when deciding on the best route from San Diego to State of Washington.

  • What are the most reliable airlines from San Diego to State of Washington?

    No one likes to see their flight delayed. When booking a flight from San Diego to State of Washington consider choosing Air France (90%), Delta (88%) or WestJet (84%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from San Diego to State of Washington?

    On average you can expect to pay $623 for a flight from San Diego to State of Washington. The cheapest flight overall is $108 while the most popular route, (San Diego - Seattle/Tacoma Intl) is currently priced at $167.

  • Can I find deals for flights from San Diego to Washington that include hotel bookings?

    Yes. In addition to deals on San Diego to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Washington.

  • Can I find deals for business class flights from San Diego to Washington?

    Yes. Cheapflights offers flight deals from San Diego to Washington 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 San Diego to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from San Diego to State of Washington (average of $238). Flying from San Diego to State of Washington in June is currently the most expensive (average of $389). 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 San Diego to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from San Diego to Washington

Discover the top 9 airlines that operate flights from San Diego to Washington. 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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$70Average$160FlexibilityNo cancel feeOn-time65%
FrontierCheapest$99Average$172FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$107Average$146FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$113Average$411FlexibilityNo cancel feeOn-time71%
DeltaCheapest$117Average$294FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$136Average$384FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$141Average$324FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$156Average$349FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$185Average$356FlexibilityNo cancel feeOn-time69%

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