Washington

$74+ 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 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SEA
Apr 16 — Apr 231
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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 April 11, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$147
(Mytrip)

One-way from

$74
(Southwest)

Popular in

July

Cheapest in

January

Average price

$253

Good round-trip deal

$211 or less

Good one-way deal

$105 or less
Provider with most accurate pricing for San Diego-Seattle/Tacoma Intl flight deals.
Provider most trusted by Cheapflights users for San Diego-Seattle/Tacoma Intl flights.
From San Diego to Washington
One-way flight from San Diego to Washington
Highest demand for flights based on searches. 14% potential increase in price ($40 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from San Diego to Washington.
Price to beat on a one-way flight from San Diego to Washington.

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 April 11, 2025.

This Mytrip deal was found by Cheapflights users on 4/10. 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.
Wed 5/76:15 amSAN - BLI
1 stop12h 37mMultiple Airlines
Mon 5/123:21 pmBLI - SAN
1 stop15h 52mMultiple Airlines
Deal found 4/10$147
This Mytrip deal was found by Cheapflights users on 4/10. 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.
Mon 5/121:06 pmSAN - PDX
2 stops23h 36mSpirit Airlines
Sat 5/175:40 pmPDX - SAN
2 stops23h 05mSpirit Airlines
Deal found 4/10$159
This Cheapflightsfares deal was found by Cheapflights users on 4/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/176:15 amSAN - SEA
1 stop8h 10mSpirit Airlines
Sun 5/256:00 amSEA - SAN
1 stop12h 03mSpirit Airlines
Deal found 4/11$161
This Kiwi.com deal was found by Cheapflights users on 4/9. 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.
Sat 5/1712:45 pmSAN - SEA
1 stop6h 25mHawaiian Airlines
Sun 5/186:00 amSEA - SAN
Nonstop2h 42mHawaiian Airlines
Deal found 4/9$165
This Alaska Airlines deal was found by Cheapflights users on 4/10. 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.
Sat 5/37:55 pmSAN - PAE
Nonstop3h 02mAlaska Airlines
Sun 5/47:00 amPAE - SAN
Nonstop2h 45mAlaska Airlines
Deal found 4/10$167
This Alaska Airlines deal was found by Cheapflights users on 4/10. 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 5/142:00 pmSAN - SEA
Nonstop3h 03mAlaska Airlines
Fri 5/169:15 pmSEA - SAN
Nonstop2h 44mAlaska Airlines
Deal found 4/10$167
This Mytrip deal was found by Cheapflights users on 4/9. 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.
Thu 5/86:15 amSAN - PDX
1 stop10h 30mMultiple Airlines
Thu 5/1510:41 amPDX - SAN
2 stops20h 32mMultiple Airlines
Deal found 4/9$169
This CheapOair deal was found by Cheapflights users on 4/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:25 amSAN - SEA
1 stop18h 19mMultiple Airlines
Sun 5/48:56 pmSEA - SAN
1 stop10h 38mMultiple Airlines
Deal found 4/11$170
This Alaska Airlines deal was found by Cheapflights users on 4/10. 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.
Sat 5/108:44 pmSAN - PDX
Nonstop2h 43mAlaska Airlines
Sat 5/175:30 pmPDX - SAN
Nonstop2h 33mAlaska Airlines
Deal found 4/10$177
This Hawaiian Airlines deal was found by Cheapflights users on 4/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/17:55 pmSAN - PAE
Nonstop3h 02mHawaiian Airlines
Sun 5/47:00 amPAE - SAN
Nonstop2h 45mHawaiian Airlines
Deal found 4/10$177
This Delta deal was found by Cheapflights users on 4/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/91:55 pmSAN - SEA
Nonstop3h 05mDelta
Sun 5/1110:10 amSEA - SAN
Nonstop2h 50mDelta
Deal found 4/11$177
This Delta deal was found by Cheapflights users on 4/10. 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.
Sat 5/109:47 amSAN - GEG
1 stop6h 13mDelta
Sat 5/177:15 amGEG - SAN
1 stop7h 07mDelta
Deal found 4/10$177

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 April 11, 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 5/7

6:15 am-6:52 pm

1 stop12h 37m

Bellingham

Mon 5/12

3:21 pm-7:13 am

1 stop15h 52m

$147

San DiegoPortland

SAN - PDX

SANPDX

San Diego

Mon 5/12

1:06 pm-12:42 pm

2 stops23h 36m

Portland

Sat 5/17

5:40 pm-4:45 pm

2 stops23h 05m

$159

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Sat 5/17

6:15 am-9:24 am

Nonstop3h 09m

Seattle/Tacoma Intl

Sat 5/17

12:00 pm-5:52 pm

1 stop5h 52m

$161

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Fri 4/25

6:15 am-7:51 pm

1 stop13h 36m

Seattle/Tacoma Intl

Tue 5/6

12:30 pm-7:54 pm

1 stop7h 24m

$162

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Sat 5/17

7:20 am-10:36 am

Nonstop3h 16m

Seattle/Tacoma Intl

Sun 5/18

7:30 pm-10:20 pm

Nonstop2h 50m

$167

San DiegoEverett

SAN - PAE

SANPAE

San Diego

Sat 5/3

7:55 pm-10:57 pm

Nonstop3h 02m

Everett Paine Field

Sun 5/4

7:00 am-9:45 am

Nonstop2h 45m

$167

San DiegoPortland

SAN - PDX

SANPDX

San Diego

Thu 5/8

6:15 am-4:45 pm

1 stop10h 30m

Portland

Thu 5/15

10:41 am-7:13 am

2 stops20h 32m

$169

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Sat 5/10

9:47 am-4:00 pm

1 stop6h 13m

Spokane

Sat 5/17

7:15 am-2:22 pm

1 stop7h 07m

$177

San DiegoPortland

SAN - PDX

SANPDX

San Diego

Sat 5/10

8:44 pm-11:27 pm

Nonstop2h 43m

Portland

Sat 5/17

5:30 pm-8:03 pm

Nonstop2h 33m

$177

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Tue 4/22

12:56 pm-12:44 am

1 stop11h 48m

Seattle/Tacoma Intl

Wed 4/23

6:00 am-12:06 pm

1 stop6h 06m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

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 $411). 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 April 11, 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 April 11, 2025.

The most flights from SAN to USWA are scheduled on a Friday (59 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (19 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 April 11, 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.

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

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

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

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

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

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
8.0
Very good

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

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

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

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

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

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?

  • What are the cheapest airlines to fly from San Diego to State of Washington one-way?

    The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $74. 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?

  • 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 WestJet (93%), Air France (93%) or KLM (92%) 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 $979 for a flight from San Diego to State of Washington. The cheapest flight overall is $89 while the most popular route, (San Diego - Seattle/Tacoma Intl) is currently priced at $93.

  • 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 $411). 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.

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 April 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$75Average$167FlexibilityNo cancel feeOn-time65%
FrontierCheapest$94Average$163FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$113Average$416FlexibilityNo cancel feeOn-time71%
DeltaCheapest$117Average$315FlexibilityNo cancel feeOn-timeN/A
Allegiant AirCheapest$117Average$147FlexibilityNo cancel feeOn-time88%
Alaska AirlinesCheapest$135Average$404FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$162Average$398FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$166Average$376FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$185Average$442FlexibilityNo cancel feeOn-time69%

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