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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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SEA
jul. 8 — jul. 151
mar. 7/8
mar. 7/15
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 julio 3, 2025.

Round-trip from

$147
(Booking.com)

One-way from

$72
(Priceline)

Popular in

July

Cheapest in

January

Average price

$292

Good round-trip deal

$143 or less

Good one-way deal

$48 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 ($38 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 July 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 julio 3, 2025.

This Booking.com deal was found by Cheapflights users on 7/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/411:13 amSAN - BLI
Nonstop2h 55mAllegiant Air
lun. 8/117:30 amBLI - SAN
Nonstop2h 53mAllegiant Air
Deal found 7/1$147
This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/179:40 pmSAN - BLI
1 stop14h 21mMultiple Airlines
lun. 7/219:00 pmBLI - SAN
1 stop12h 55mMultiple Airlines
Deal found 7/2$156
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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. 8/266:35 amSAN - PAE
Nonstop3h 12mAlaska Airlines
mié. 9/37:00 amPAE - SAN
Nonstop2h 53mAlaska Airlines
Deal found 7/3$157
This Delta deal was found by Cheapflights users on 7/1. 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. 8/123:35 pmSAN - GEG
1 stop7h 33mDelta
sáb. 8/309:40 amGEG - SAN
1 stop6h 14mDelta
Deal found 7/1$157
This Mytrip deal was found by Cheapflights users on 7/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/179:40 pmSAN - PDX
1 stop11h 38mSpirit Airlines
mar. 7/223:10 pmPDX - SAN
1 stop7h 56mSpirit Airlines
Deal found 7/2$158
This FlightHub deal was found by Cheapflights users on 7/1. 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.
jue. 7/249:40 pmSAN - PDX
1 stop11h 38mMultiple Airlines
dom. 7/276:16 pmPDX - SAN
1 stop17h 48mMultiple Airlines
Deal found 7/1$159
This Southwest deal was found by Cheapflights users on 7/2. 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.
sáb. 8/162:05 pmSAN - GEG
2 stops7h 25mSouthwest
mié. 8/2012:45 pmGEG - SAN
1 stop7h 40mSouthwest
Deal found 7/2$162
This FlightHub deal was found by Cheapflights users on 7/2. 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.
jue. 8/77:04 pmSAN - PDX
1 stop17h 47mFrontier
dom. 8/106:16 pmPDX - SAN
1 stop17h 52mFrontier
Deal found 7/2$164
This Hawaiian Airlines deal was found by Cheapflights users on 7/2. 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.
mié. 8/68:59 pmSAN - GEG
Nonstop2h 45mHawaiian Airlines
mié. 8/137:00 amGEG - SAN
Nonstop2h 47mHawaiian Airlines
Deal found 7/2$175
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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. 8/128:59 pmSAN - GEG
Nonstop2h 45mAlaska Airlines
sáb. 8/306:40 amGEG - SAN
Nonstop2h 51mAlaska Airlines
Deal found 7/1$176
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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. 8/127:00 amSAN - PDX
Nonstop2h 35mAlaska Airlines
mar. 8/195:30 pmPDX - SAN
Nonstop2h 33mAlaska Airlines
Deal found 7/1$177
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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.
jue. 8/216:35 amSAN - PAE
Nonstop3h 12mHawaiian Airlines
lun. 8/257:00 amPAE - SAN
Nonstop2h 53mHawaiian Airlines
Deal found 7/1$178

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 julio 3, 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 DiegoBellingham

SAN - BLI

SANBLI

San Diego

lun. 8/4

11:13 am-2:08 pm

Nonstop2h 55m

Bellingham

lun. 8/11

7:30 am-10:23 am

Nonstop2h 53m

$147

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

jue. 7/17

9:40 pm-12:01 pm

1 stop14h 21m

Bellingham

lun. 7/21

9:00 pm-9:55 am

1 stop12h 55m

$156

San DiegoEverett

SAN - PAE

SANPAE

San Diego

mar. 8/26

6:35 am-9:47 am

Nonstop3h 12m

Everett Paine Field

mié. 9/3

7:00 am-9:53 am

Nonstop2h 53m

$157

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

mar. 8/12

3:35 pm-11:08 pm

1 stop7h 33m

Spokane

sáb. 8/30

9:40 am-3:54 pm

1 stop6h 14m

$157

San DiegoPortland

SAN - PDX

SANPDX

San Diego

jue. 7/17

9:40 pm-9:18 am

1 stop11h 38m

Portland

mar. 7/22

3:10 pm-11:06 pm

1 stop7h 56m

$158

San DiegoPortland

SAN - PDX

SANPDX

San Diego

jue. 7/24

9:40 pm-9:18 am

1 stop11h 38m

Portland

dom. 7/27

6:16 pm-12:04 pm

1 stop17h 48m

$159

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

sáb. 8/16

2:05 pm-9:30 pm

2 stops7h 25m

Spokane

mié. 8/20

12:45 pm-8:25 pm

1 stop7h 40m

$162

San DiegoPortland

SAN - PDX

SANPDX

San Diego

jue. 8/7

7:04 pm-12:51 pm

1 stop17h 47m

Portland

dom. 8/10

6:16 pm-12:08 pm

1 stop17h 52m

$164

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

mié. 8/6

8:59 pm-11:44 pm

Nonstop2h 45m

Spokane

mié. 8/13

7:00 am-9:47 am

Nonstop2h 47m

$175

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

mar. 8/12

8:59 pm-11:44 pm

Nonstop2h 45m

Spokane

sáb. 8/30

6:40 am-9:31 am

Nonstop2h 51m

$176

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 July is currently the most expensive (average of $390). 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 julio 3, 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 julio 3, 2025.

The most flights from SAN to USWA are scheduled on a Wednesday (73 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (38 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 julio 3, 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

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 Allegiant Air and Delta, 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 Sun Country Air (100%), Air France (91%) or Delta (88%) 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 $1,683 for a flight from San Diego to State of Washington. The cheapest flight overall is $113 while the most popular route, (San Diego - Seattle/Tacoma Intl) is currently priced at $95.

  • 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 July is currently the most expensive (average of $390). 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 San Diego to Washington

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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 julio 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$74Average$166FlexibilityNo cancel feeOn-time65%
FrontierCheapest$99Average$163FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$107Average$146FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$113Average$412FlexibilityNo cancel feeOn-time71%
DeltaCheapest$117Average$297FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$135Average$392FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$141Average$338FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$156Average$353FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$185Average$356FlexibilityNo cancel feeOn-time69%

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