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$59+ 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 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$90
(Booking.com)

One-way from

$59
(Mytrip)

Popular in

July

Cheapest in

January

Average price

$273

Good round-trip deal

$127 or less

Good one-way deal

$45 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 June 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 June 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/211:43 amSAN - BLI
Nonstop2h 55mAllegiant Air
Fri 7/47:30 amBLI - SAN
Nonstop2h 53mAllegiant Air
Deal found 6/12$90
This Mytrip deal was found by Cheapflights users on 6/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/211:43 amSAN - BLI
Nonstop2h 55mMultiple Airlines
Fri 7/49:00 pmBLI - SAN
1 stop26h 29mMultiple Airlines
Deal found 6/12$133
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/16:15 amSAN - PDX
1 stop5h 02mSpirit Airlines
Thu 7/103:10 pmPDX - SAN
1 stop5h 35mSpirit Airlines
Deal found 6/12$163
This Mytrip deal was found by Cheapflights users on 6/10. 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.
Sat 9/209:09 amSAN - SEA
1 stop6h 44mSpirit Airlines
Wed 9/244:58 pmSEA - SAN
1 stop21h 13mSpirit Airlines
Deal found 6/10$174
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 8/136:18 pmSAN - PDX
Nonstop2h 32mAlaska Airlines
Wed 8/202:35 pmPDX - SAN
Nonstop2h 35mAlaska Airlines
Deal found 6/10$177
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Sat 8/236:35 amSAN - PAE
Nonstop3h 12mAlaska Airlines
Wed 8/277:00 amPAE - SAN
Nonstop2h 53mAlaska Airlines
Deal found 6/11$177
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 8/1311:10 amSAN - SEA
Nonstop3h 06mDelta
Tue 8/1910:03 amSEA - SAN
Nonstop2h 59mDelta
Deal found 6/10$177
This Frontier deal was found by Cheapflights users on 6/10. 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.
Mon 8/188:13 amSAN - PAE
1 stop4h 58mFrontier
Sun 8/243:05 pmPAE - SAN
1 stop7h 58mFrontier
Deal found 6/10$181
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 9/268:03 pmSAN - GEG
Nonstop2h 49mAlaska Airlines
Mon 9/295:46 pmGEG - SAN
1 stop5h 07mAlaska Airlines
Deal found 6/10$185
This Delta deal was found by Cheapflights users on 6/10. 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.
Tue 8/57:30 amSAN - GEG
1 stop5h 03mDelta
Fri 8/155:00 amGEG - SAN
1 stop5h 04mDelta
Deal found 6/10$187
This Southwest deal was found by Cheapflights users on 6/11. 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 8/198:30 amSAN - SEA
1 stop6h 40mSouthwest
Tue 8/268:00 amSEA - SAN
1 stop4h 20mSouthwest
Deal found 6/11$192
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Sat 7/197:00 pmSAN - GEG
1 stop13h 43mMultiple Airlines
Mon 7/215:52 pmGEG - SAN
2 stops29h 14mMultiple Airlines
Deal found 6/11$192

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 June 12, 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

Wed 7/2

11:43 am-2:38 pm

Nonstop2h 55m

Bellingham

Fri 7/4

7:30 am-10:23 am

Nonstop2h 53m

$90

San DiegoBellingham

SAN - BLI

SANBLI

San Diego

Wed 7/2

11:43 am-2:38 pm

Nonstop2h 55m

Bellingham

Fri 7/4

9:00 pm-11:29 pm

1 stop26h 29m

$133

San DiegoPortland

SAN - PDX

SANPDX

San Diego

Tue 7/1

6:15 am-11:17 am

1 stop5h 02m

Portland

Thu 7/10

3:10 pm-8:45 pm

1 stop5h 35m

$163

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Sun 9/7

9:09 am-3:53 pm

1 stop6h 44m

Seattle/Tacoma Intl

Mon 9/15

4:58 pm-8:14 am

1 stop15h 16m

$175

San DiegoPortland

SAN - PDX

SANPDX

San Diego

Wed 8/13

6:18 pm-8:50 pm

Nonstop2h 32m

Portland

Wed 8/20

2:35 pm-5:10 pm

Nonstop2h 35m

$177

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Wed 8/13

11:10 am-2:16 pm

Nonstop3h 06m

Seattle/Tacoma Intl

Tue 8/19

10:03 am-1:02 pm

Nonstop2h 59m

$177

San DiegoEverett

SAN - PAE

SANPAE

San Diego

Sat 8/23

6:35 am-9:47 am

Nonstop3h 12m

Everett Paine Field

Wed 8/27

7:00 am-9:53 am

Nonstop2h 53m

$177

San DiegoEverett

SAN - PAE

SANPAE

San Diego

Mon 8/18

8:13 am-1:11 pm

1 stop4h 58m

Everett Paine Field

Sun 8/24

3:05 pm-11:03 pm

1 stop7h 58m

$181

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Fri 9/26

8:03 pm-10:52 pm

Nonstop2h 49m

Spokane

Mon 9/29

5:46 pm-10:53 pm

1 stop5h 07m

$185

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Tue 8/5

7:30 am-12:33 pm

1 stop5h 03m

Spokane

Fri 8/15

5:00 am-10:04 am

1 stop5h 04m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $391). 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 June 12, 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 June 12, 2025.

The most flights from SAN to USWA are scheduled on a Thursday (62 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (25 on average).

Rainfall in Washington by month

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

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

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

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
To help decide which airline to fly from San Diego to Washington, see what other customers have to say about Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

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 132 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 Allegiant Air, with whom users have recently found tickets for as low as $59. However, be on the lookout for offers from Alaska Airlines 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%), Scandinavian Airlines (100%) or KLM (93%) 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 $989 for a flight from San Diego to State of Washington. The cheapest flight overall is $98 while the most popular route, (San Diego - Seattle/Tacoma Intl) is currently priced at $139.

  • 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 $391). 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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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$77Average$161FlexibilityNo cancel feeOn-time65%
FrontierCheapest$100Average$168FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$107Average$152FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$113Average$401FlexibilityNo cancel feeOn-time71%
DeltaCheapest$117Average$298FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$135Average$383FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$154Average$355FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$156Average$355FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$176Average$358FlexibilityNo cancel feeOn-time69%

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