Washington

$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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SEA
Jul 23 — Jul 301
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Cheap 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 23, 2026.

This Alaska Airlines deal was found by Cheapflights users on 6/18. 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.
Tue 8/257:59 pm
SAN
-
GEG
Nonstop2h 50m
Alaska Airlines
Wed 8/267:03 am
GEG
-
SAN
Nonstop2h 51m
Alaska Airlines
Deal found 6/18$143
This Alaska Airlines deal was found by Cheapflights users on 6/20. 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.
Thu 8/207:59 pm
SAN
-
GEG
Nonstop2h 50m
Alaska Airlines
Mon 8/247:03 am
GEG
-
SAN
Nonstop2h 51m
Alaska Airlines
Deal found 6/20$146
This Southwest deal was found by Cheapflights users on 6/20. 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 8/258:40 am
SAN
-
GEG
1 stop6h 25m
Southwest
Sat 8/292:15 pm
GEG
-
SAN
Nonstop2h 40m
Southwest
Deal found 6/20$153
This CheapOair deal was found by Cheapflights users on 6/23. 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.
Sat 9/198:59 pm
SAN
-
GEG
Nonstop2h 54m
Alaska Airlines
Tue 9/226:00 am
GEG
-
SAN
Nonstop2h 59m
Alaska Airlines
Deal found 6/23$155
This Alaska Airlines deal was found by Cheapflights users on 6/23. 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 10/77:57 pm
SAN
-
GEG
Nonstop2h 54m
Alaska Airlines
Tue 10/137:16 am
GEG
-
SAN
Nonstop2h 55m
Alaska Airlines
Deal found 6/23$156
This Orbitz deal was found by Cheapflights users on 6/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:59 pm
SAN
-
GEG
Nonstop2h 50m
Alaska Airlines
Mon 8/247:03 am
GEG
-
SAN
Nonstop2h 51m
Alaska Airlines
Deal found 6/20$159
This CheapOair deal was found by Cheapflights users on 6/23. 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.
Sat 9/57:59 pm
SAN
-
GEG
Nonstop2h 50m
Alaska Airlines
Wed 9/96:00 am
GEG
-
SAN
Nonstop2h 59m
Alaska Airlines
Deal found 6/23$160
This Travelocity deal was found by Cheapflights users on 6/18. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:59 pm
SAN
-
GEG
Nonstop2h 50m
Alaska Airlines
Tue 9/86:00 am
GEG
-
SAN
Nonstop2h 59m
Alaska Airlines
Deal found 6/18$162
This Delta deal was found by Cheapflights users on 6/23. 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 7/247:13 pm
SAN
-
GEG
1 stop4h 42m
Delta
Tue 8/44:16 pm
GEG
-
SAN
1 stop7h 38m
Delta
Deal found 6/23$163
This Expedia deal was found by Cheapflights users on 6/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/318:22 pm
SAN
-
GEG
Nonstop2h 45m
Alaska Airlines
Wed 8/58:15 am
GEG
-
SAN
Nonstop2h 48m
Alaska Airlines
Deal found 6/22$166
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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 11/77:38 pm
SAN
-
PAE
Nonstop3h 17m
Alaska Airlines
Tue 11/108:30 am
PAE
-
SAN
Nonstop2h 55m
Alaska Airlines
Deal found 6/22$167
This Southwest deal was found by Cheapflights users on 6/23. 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 7/286:50 pm
SAN
-
GEG
1 stop5h 00m
Southwest
Tue 8/45:45 am
GEG
-
SAN
2 stops6h 00m
Southwest
Deal found 6/23$168

Find 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 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$143
(Alaska Airlines)

One-way from

$72
(Alaska Airlines)

Popular in

July

Cheapest in

February

Average price

$301

Good round-trip deal

$213 or less

Good one-way deal

$71 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. 13% 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 June 2026
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.

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 23, 2026.
Use the filters below to find and compare flights from San Diego to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Fri 9/4

7:59 pm-10:49 pm

Nonstop2h 50m

Spokane

Sun 9/6

7:03 am-9:54 am

Nonstop2h 51m

$143

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Sat 10/3

4:00 pm-11:52 pm

1 stop7h 52m

Spokane

Sun 10/4

5:40 pm-10:47 pm

1 stop5h 07m

$163

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Wed 7/15

7:13 pm-11:55 pm

1 stop4h 42m

Spokane

Sat 7/18

4:16 pm-11:42 pm

1 stop7h 26m

$163

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Tue 8/4

7:13 pm-11:26 pm

1 stop4h 13m

Spokane

Sat 8/15

5:00 pm-10:52 pm

1 stop5h 52m

$163

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Wed 9/9

5:01 pm-9:54 pm

1 stop4h 53m

Spokane

Sun 9/13

3:59 pm-10:33 pm

1 stop6h 34m

$163

San DiegoEverett

SAN - PAE

SANPAE

San Diego

Sat 11/7

7:38 pm-10:55 pm

Nonstop3h 17m

Everett Paine Field

Tue 11/10

8:30 am-11:25 am

Nonstop2h 55m

$167

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Fri 9/18

4:00 pm-6:57 pm

Nonstop2h 57m

Seattle/Tacoma Intl

Sun 9/20

7:15 am-10:09 am

Nonstop2h 54m

$187

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Tue 9/1

4:10 pm-9:45 pm

2 stops5h 35m

Seattle/Tacoma Intl

Wed 9/2

5:55 am-11:45 am

2 stops5h 50m

$197

San DiegoPortland

SAN - PDX

SANPDX

San Diego

Tue 7/28

3:10 pm-8:05 pm

1 stop4h 55m

Portland

Thu 8/13

5:15 am-11:05 am

1 stop5h 50m

$206

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Tue 7/28

5:45 pm-11:50 pm

1 stop6h 05m

Spokane

Tue 8/4

5:45 am-11:45 am

2 stops6h 00m

$206

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, April is the cheapest month in which you can book a flight from San Diego to State of Washington (average of $90). Flying from San Diego to State of Washington in November is currently the most expensive (average of $908). 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 23, 2026.

It’s optimal to fly from San Diego to State of Washington in the morning. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight in the afternoon.

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 23, 2026.

The most flights from SAN to USWA are scheduled on a Tuesday (41 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).

How much does it cost to fly round-trip from San Diego to State of Washington?

How far ahead should I book a flight from San Diego to State of Washington?

The best time to book flights from San Diego to State of Washington is 85 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest day to fly from San Diego to State of Washington?

Use this chart to determine the cheapest time to fly round-trip from San Diego to Washington. Price data was last updated on June 20, 2026.

Travelers seeking maximum savings on their San Diego to State of Washington flight should consider departing on Friday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 23, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines,Southwest, andDelta 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.

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.0

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.0

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.0

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.0

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.0

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.0

Crew

8.5

Overall

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

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?

  • How long is the flight from San Diego to State of Washington?

    Departing from San Diego to State of Washington will take you 2h 50m. Airlines will cover a distance of 1028 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $68. However, be on the lookout for offers from Alaska Airlines and Frontier, 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 Scandinavian Airlines (95%), Hawaiian Airlines (94%) or Air France (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 $912 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, April is the cheapest month in which you can book a flight from San Diego to State of Washington (average of $90). Flying from San Diego to State of Washington in November is currently the most expensive (average of $908). 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 San Diego to Washington

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from San Diego to Washington

Discover the top 8 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 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$88Average$163FlexibilityNo cancel feeOn-time88%
DeltaCheapest$104Average$278FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$108Average$217FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$137Average$438FlexibilityNo cancel feeOn-time75%
FrontierCheapest$142Average$233FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$149Average$291FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$178Average$323FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$292Average$502FlexibilityNo cancel feeOn-time71%

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