How many flights depart from San Diego to State of Washington on average per week?

278 flights are operational weekly from San Diego to State of Washington as of November 2025. The most popular departure day for this route is Thu, with 24% of flights per week taking off on this day.

What is the cheapest airline that flies from San Diego to Washington?

Frontier, Delta, and Alaska Airlines are the most popular carriers operating from San Diego to Washington

How many flights depart from San Diego to State of Washington on average per day?

The number of flights available between San Diego and State of Washington is 39 per day as of November 2025. The most frequent departure time is 11:00AM, with 44% of daily flights leaving at noon.

What airlines fly to State of Washington?

Alaska Airlines, Delta and Frontier are the top three most popular airlines that fly to State of Washington from San Diego according to our data. Alaska Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 9 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from San Diego Airport to Washington?

Prices for flights from San Diego Airport to Washington refresh daily.

How many operators does momondo search for flights from San Diego Airport to Washington?

As of November 2025, there are 9 operators available to choose from for flights from San Diego Airport to Washington.

How old do you have to be to fly from San Diego Airport to Washington?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Washington.

What documentation or ID do you need to fly to Washington?

The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$55 Cheap Flights from San Diego to Washington in 2025/26

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

12:50 pm - 4:04 pmSAN-PAE

3h 14mnonstop

9:40 am - 12:30 pmPAE-SAN

2h 50mnonstop

$119Alaska Airlines

Find Deal

Sat, Jan 24 - Tue, Jan 27

10:57 am - 4:06 pmSAN-GEG

5h 09m1 stop

12:08 pm - 7:15 pmGEG-SAN

7h 07m1 stop

$124Frontier

Find Deal

Thu, Dec 11 - Sun, Dec 14

1:43 pm - 11:34 amSAN-GEG

21h 51m1 stop

12:23 pm - 12:01 amGEG-SAN

11h 38m1 stop

$127Frontier

Find Deal

Sat, Jan 17 - Thu, Jan 22

7:07 pm - 11:59 pmSAN-GEG

4h 52m1 stop

4:35 pm - 11:59 pmGEG-SAN

7h 24m1 stop

$137Delta

Find Deal

Thu, Dec 11 - Mon, Dec 15

1:05 pm - 8:15 pmSAN-GEG

7h 10m1 stop

6:20 am - 4:45 pmGEG-SAN

10h 25m2 stops

$142Southwest

Find Deal

Thu, Jan 29 - Mon, Feb 2

7:27 pm - 10:26 pmSAN-GEG

2h 59mnonstop

7:00 am - 9:59 amGEG-SAN

2h 59mnonstop

$145Hawaiian Airlines

Find Deal

Wed, Jan 7 - Mon, Jan 12

7:27 pm - 10:26 pmSAN-GEG

2h 59mnonstop

7:00 am - 9:59 amGEG-SAN

2h 59mnonstop

$150Hawaiian Airlines

Find Deal

Wed, Jan 7 - Mon, Jan 12

6:30 am - 9:53 amSAN-SEA

3h 23mnonstop

2:00 pm - 4:40 pmSEA-SAN

2h 40mnonstop

$158Delta

Find Deal

Sun, Dec 21 - Thu, Jan 15

1:00 pm - 8:15 pmSAN-GEG

7h 15m2 stops

6:20 am - 4:45 pmGEG-SAN

10h 25m2 stops

$226Southwest

Find Deal

Thu, Jan 29 - Mon, Feb 2

7:15 am - 1:37 pmSAN-EAT

6h 22m1 stop

5:15 am - 3:19 pmEAT-SAN

10h 04m2 stops

$611American Airlines

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Fri, Nov 21 - Tue, Nov 25

Frontier flights from San Diego to State of Washington

Our best Frontier deals on San Diego to State of Washington flight tickets

Frontier

Dec 11

SAN10:57 amSan Diego

5h 09m

1 stop

GEG4:06 pmSpokane

Dec 14

GEG12:08 pmSpokane

7h 07m

1 stop

SAN7:15 pmSan Diego

$124

Find similar

Frontier

Jan 17

SAN1:43 pmSan Diego

21h 51m

1 stop

GEG11:34 amSpokane

Jan 22

GEG12:23 pmSpokane

11h 38m

1 stop

SAN12:01 amSan Diego

$127

Find similar

Frontier

Jan 8

SAN6:25 amSan Diego

29h 41m

1 stop

PAE12:06 pmEverett Paine Field

Jan 11

PAE2:49 pmEverett Paine Field

21h 49m

1 stop

SAN12:38 pmSan Diego

$128

Find similar

Delta flights from San Diego to State of Washington

Our best Delta deals on San Diego to State of Washington flight tickets

Delta

Dec 11

SAN7:07 pmSan Diego

4h 52m

1 stop

GEG11:59 pmSpokane

Dec 15

GEG4:35 pmSpokane

7h 24m

1 stop

SAN11:59 pmSan Diego

$137

Find similar

Delta

Dec 21

SAN6:30 amSan Diego

3h 23m

SEA9:53 amSeattle/Tacoma Intl

Jan 15

SEA2:00 pmSeattle/Tacoma Intl

2h 40m

SAN4:40 pmSan Diego

$158

Find similar

Delta

Dec 19

SAN6:30 amSan Diego

3h 20m

SEA9:50 amSeattle/Tacoma Intl

Jan 22

SEA7:58 pmSeattle/Tacoma Intl

2h 47m

SAN10:45 pmSan Diego

$159

Find similar

momondo Fare Finder

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

San DiegoEverett

SAN - PAE

SANPAE

San Diego

Sat 1/24

12:50 pm-4:04 pm

Nonstop3h 14m

Everett Paine Field

Tue 1/27

9:40 am-12:30 pm

Nonstop2h 50m

$119

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Thu 12/11

10:57 am-4:06 pm

1 stop5h 09m

Spokane

Sun 12/14

12:08 pm-7:15 pm

1 stop7h 07m

$124

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Sat 1/17

1:43 pm-11:34 am

1 stop21h 51m

Spokane

Thu 1/22

12:23 pm-12:01 am

1 stop11h 38m

$127

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Thu 12/11

7:07 pm-11:59 pm

1 stop4h 52m

Spokane

Mon 12/15

4:35 pm-11:59 pm

1 stop7h 24m

$137

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Thu 1/29

1:05 pm-8:15 pm

1 stop7h 10m

Spokane

Mon 2/2

6:20 am-4:45 pm

2 stops10h 25m

$142

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Wed 1/7

7:27 pm-10:26 pm

Nonstop2h 59m

Spokane

Mon 1/12

7:00 am-9:59 am

Nonstop2h 59m

$145

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Wed 1/7

7:27 pm-10:26 pm

Nonstop2h 59m

Spokane

Mon 1/12

7:00 am-9:59 am

Nonstop2h 59m

$150

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Sun 12/21

6:30 am-9:53 am

Nonstop3h 23m

Seattle/Tacoma Intl

Thu 1/15

2:00 pm-4:40 pm

Nonstop2h 40m

$158

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Thu 1/29

1:00 pm-8:15 pm

2 stops7h 15m

Spokane

Mon 2/2

6:20 am-4:45 pm

2 stops10h 25m

$226

San DiegoWenatchee

SAN - EAT

SANEAT

San Diego

Fri 11/21

7:15 am-1:37 pm

1 stop6h 22m

Wenatchee Pangborn Field

Tue 11/25

5:15 am-3:19 pm

2 stops10h 04m

$611

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How to get the cheapest flight ticket from San Diego to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to State of Washington?

The month of January is, on average, the cheapest month to fly to State of Washington from San Diego, with most prices found around $176. If you aren’t able to travel to State of Washington during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $211.

What is the cheapest day to depart on your flight to State of Washington?

The cheapest day to depart from San Diego to State of Washington is on a Thursday. Travelers who choose to depart for State of Washington on a Thursday will often find tickets for as low as $339. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to State of Washington for around $562.

What is the cheapest time of day to depart on your flight to State of Washington?

The cheapest time of day to fly to State of Washington is in the afternoon when flights can be purchased for as low as $347. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $433 on average. Flights to State of Washington from San Diego at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest San Diego to Washington flight route?

Fly from San Diego to Seattle/Tacoma Intl for the best San Diego - Washington flight prices

How far in advance should I book a flight to State of Washington?

You are more likely to see cheaper flights to State of Washington from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $246 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from San Diego for as low as $202 on momondo.

What cabin class options are available on San Diego to Washington flights?

There are 4 cabin classes available to choose from on San Diego to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Diego to State of Washington flights?

You could potentially save up to 41% on your flight if you consider stops on a San Diego to State of Washington flight.

Cheap San Diego to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to State of Washington

Best Price Found	$117
Fastest flight time	2h 35m
Direct flights	Every day
Airports in State of Washington	2 airports

The best one-way flight to State of Washington from San Diego in the past 72 hours is $117. The best round-trip flight deal from San Diego to State of Washington found on momondo in the last 72 hours is $176.

The fastest flight from San Diego to State of Washington takes 2h 35m

Direct flights go from San Diego to State of Washington every day.

There are 2 airports near State of Washington: Portland (PDX), Spokane (GEG)

Search flight deals

When did momondo last update prices for flights from San Diego Airport to Washington?
Prices for flights from San Diego Airport to Washington refresh daily.
How many operators does momondo search for flights from San Diego Airport to Washington?
As of November 2025, there are 9 operators available to choose from for flights from San Diego Airport to Washington.
How old do you have to be to fly from San Diego Airport to Washington?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Diego Airport to Washington.
What documentation or ID do you need to fly to Washington?
The travel and health documents required for your trip to Washington can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from San Diego to State of Washington?
Based on momondo bookings for flights between San Diego and State of Washington, the leading plane model is Boeing 737-900 Passenger/BBJ3 (winglets), making up 21.86% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 20.67%, Boeing 737 MAX 9 with 16.37%, and Boeing 737 with 10.38%.

Best airlines flying from San Diego to State of Washington

Compare and see reviews for airlines that fly from San Diego to State of Washington with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $66	Free Cancellation	Rating 6.3 8,122 reviews	Search Spirit Airlines flights
Allegiant Air	PriceFrom $98	Free Cancellation	Rating 7.2 697 reviews	Search Allegiant Air flights
Frontier	PriceFrom $100	Free Cancellation	Rating 5.8 3,116 reviews	Search Frontier flights
American Airlines	PriceFrom $113	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
Delta	PriceFrom $137	Free Cancellation	Rating 7.9 8,001 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $141	Free Cancellation	Rating 7.8 2,804 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $148	Free Cancellation	Rating 8.0 11,246 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $156	Free Cancellation	Rating 8.0 4,241 reviews	Search Southwest flights
United Airlines	PriceFrom $204	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Washington?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Diego to Washington for you.

Can I find flights from San Diego to Washington with flexible booking policies on momondo?

Yes. All flights to Washington from San Diego on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Diego to Washington?

momondo provides multiple filters to help you find the best flight to Washington from San Diego. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Diego to Washington right now. Can momondo alert me if prices change?

Price alerts on flights to Washington from San Diego are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your State of Washington trip

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Popular cities in Washington

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Cheap flights from San Diego to Washington from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Washington departing on 12/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Find the cheapest flights from San Diego to Washington

Cheap round-trip flights

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Frontier flights from San Diego to State of Washington

Our best Frontier deals on San Diego to State of Washington flight tickets

Delta flights from San Diego to State of Washington

Our best Delta deals on San Diego to State of Washington flight tickets

momondo Fare Finder

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

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How to get the cheapest flight ticket from San Diego to State of Washington

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to State of Washington?

What is the cheapest day to depart on your flight to State of Washington?

What is the cheapest time of day to depart on your flight to State of Washington?

What is the cheapest San Diego to Washington flight route?

Fly from San Diego to Seattle/Tacoma Intl for the best San Diego - Washington flight prices

How far in advance should I book a flight to State of Washington?

What cabin class options are available on San Diego to Washington flights?

There are 4 cabin classes available to choose from on San Diego to Washington flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Diego to State of Washington flights?

You could potentially save up to 41% on your flight if you consider stops on a San Diego to State of Washington flight.

What is the cheapest airline that flies from San Diego to Washington?

Frontier, Delta, and Alaska Airlines are the most popular carriers operating from San Diego to Washington

What airlines fly to State of Washington?

How many flights depart from San Diego to State of Washington on average per day?

The number of flights available between San Diego and State of Washington is 39 per day as of November 2025. The most frequent departure time is 11:00AM, with 44% of daily flights leaving at noon.

How many flights depart from San Diego to State of Washington on average per week?

278 flights are operational weekly from San Diego to State of Washington as of November 2025. The most popular departure day for this route is Thu, with 24% of flights per week taking off on this day.

Cheap San Diego to State of Washington flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Diego to State of Washington

Best Price Found

Fastest flight time

Direct flights

Airports in State of Washington

When did momondo last update prices for flights from San Diego Airport to Washington?

How many operators does momondo search for flights from San Diego Airport to Washington?

How old do you have to be to fly from San Diego Airport to Washington?

What documentation or ID do you need to fly to Washington?

What is the most popular plane model from San Diego to State of Washington?

Best airlines flying from San Diego to State of Washington

Compare and see reviews for airlines that fly from San Diego to State of Washington with momondo

Why use momondo?

Why should I use momondo to find a flight deal from San Diego to Washington?

Can I find flights from San Diego to Washington with flexible booking policies on momondo?

How can momondo help me find flights from San Diego to Washington?

I’m not ready to book a flight from San Diego to Washington right now. Can momondo alert me if prices change?

An easier way to manage your State of Washington trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington

Popular cities in Washington

Popular flights according to clicks in the last 7 days on momondo