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 53% 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.

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

303 flights are operational weekly from San Diego to State of Washington as of March 2026. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.

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 43 per day as of March 2026. The most frequent departure time is 2:00PM, with 44% of daily flights leaving at noon.

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

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

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 March 2026, 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.

$60 Cheap Flights from San Diego to Washington in 2026

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Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:24 pm - 10:20 pm

SAN

GEG

2h 56mnonstop

10:30 am - 1:18 pm

GEG

SAN

2h 48mnonstop

$119Alaska Airlines

Tue, May 5 - Wed, May 6

6:53 pm - 9:45 pm

SAN

GEG

2h 52mnonstop

7:01 am - 9:50 am

GEG

SAN

2h 49mnonstop

$131Alaska Airlines

Sat, Jun 6 - Sun, Jun 7

1:40 pm - 9:02 pm

SAN

GEG

7h 22m

1 stop

5:35 am - 12:04 pm

GEG

SAN

6h 29m

1 stop

$137Delta

Tue, May 5 - Sat, May 9

8:55 am - 11:35 am

SAN

GEG

2h 40mnonstop

1:30 pm - 7:10 pm

GEG

SAN

5h 40m

1 stop

$141Southwest

Sat, Jun 6 - Mon, Jun 8

9:37 am - 10:06 am

SAN

SEA

24h 29m

1 stop

8:13 pm - 8:58 pm

SEA

SAN

24h 45m

1 stop

$142Frontier

Tue, Jun 2 - Wed, Jun 10

6:53 pm - 9:45 pm

SAN

GEG

2h 52mnonstop

7:01 am - 9:50 am

GEG

SAN

2h 49mnonstop

$143Alaska Airlines

Fri, May 29 - Sun, May 31

7:34 pm - 10:22 am

SAN

SEA

14h 48m

1 stop

11:37 am - 9:12 pm

SEA

SAN

9h 35m

1 stop

$147Frontier

Wed, May 6 - Sat, May 9

1:37 pm - 9:11 pm

SAN

GEG

7h 34m

1 stop

6:20 am - 12:38 pm

GEG

SAN

6h 18m

1 stop

$149Delta

Sat, Jun 6 - Mon, Jun 8

5:00 pm - 10:25 pm

SAN

GEG

5h 25m

1 stop

6:05 pm - 11:05 pm

GEG

SAN

5h 00m

1 stop

$150Southwest

Sat, Jun 6 - Mon, Jun 8

9:07 pm - 11:59 pm

SAN

PDX

2h 52mnonstop

5:32 pm - 8:11 pm

PDX

SAN

2h 39mnonstop

$183Hawaiian Airlines

Sat, Apr 18 - Mon, Apr 20

Frontier flights from San Diego to State of Washington

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

Frontier

Jun 2

SAN9:37 amSan Diego

24h 29m

1 stop

SEA10:06 amSeattle/Tacoma Intl

Jun 10

SEA8:13 pmSeattle/Tacoma Intl

24h 45m

1 stop

SAN8:58 pmSan Diego

$142

Frontier

May 6

SAN7:34 pmSan Diego

14h 48m

1 stop

SEA10:22 amSeattle/Tacoma Intl

May 9

SEA11:37 amSeattle/Tacoma Intl

9h 35m

1 stop

SAN9:12 pmSan Diego

$147

Frontier

Apr 20

SAN6:25 amSan Diego

27h 02m

1 stop

SEA9:27 amSeattle/Tacoma Intl

Apr 21

SEA7:12 pmSeattle/Tacoma Intl

24h 47m

1 stop

SAN7:59 pmSan Diego

$149

Hawaiian Airlines flights from San Diego to State of Washington

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

Hawaiian Airlines

Apr 18

SAN9:07 pmSan Diego

2h 52m

PDX11:59 pmPortland

Apr 20

PDX5:32 pmPortland

2h 39m

SAN8:11 pmSan Diego

$183

Hawaiian Airlines

Apr 18

SAN9:07 pmSan Diego

2h 52m

PDX11:59 pmPortland

Apr 19

PDX5:32 pmPortland

2h 39m

SAN8:11 pmSan Diego

$198

Hawaiian Airlines

Apr 16

SAN8:43 pmSan Diego

3h 16m

SEA11:59 pmSeattle/Tacoma Intl

Apr 19

SEA2:06 pmSeattle/Tacoma Intl

2h 50m

SAN4:56 pmSan Diego

$208

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Tue 5/5

7:24 pm-10:20 pm

Nonstop2h 56m

Spokane

Wed 5/6

10:30 am-1:18 pm

Nonstop2h 48m

$119

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Sat 6/6

6:53 pm-9:45 pm

Nonstop2h 52m

Spokane

Sun 6/7

7:01 am-9:50 am

Nonstop2h 49m

$131

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Tue 5/5

1:40 pm-9:02 pm

1 stop7h 22m

Spokane

Sat 5/9

5:35 am-12:04 pm

1 stop6h 29m

$137

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Sat 6/6

8:55 am-11:35 am

Nonstop2h 40m

Spokane

Mon 6/8

1:30 pm-7:10 pm

1 stop5h 40m

$141

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Tue 6/2

9:37 am-10:06 am

1 stop24h 29m

Seattle/Tacoma Intl

Wed 6/10

8:13 pm-8:58 pm

1 stop24h 45m

$142

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Fri 5/29

6:53 pm-9:45 pm

Nonstop2h 52m

Spokane

Sun 5/31

7:01 am-9:50 am

Nonstop2h 49m

$143

San DiegoSeattle

SAN - SEA

SANSEA

San Diego

Wed 5/6

7:34 pm-10:22 am

1 stop14h 48m

Seattle/Tacoma Intl

Sat 5/9

11:37 am-9:12 pm

1 stop9h 35m

$147

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Sat 6/6

1:37 pm-9:11 pm

1 stop7h 34m

Spokane

Mon 6/8

6:20 am-12:38 pm

1 stop6h 18m

$149

San DiegoSpokane

SAN - GEG

SANGEG

San Diego

Sat 6/6

5:00 pm-10:25 pm

1 stop5h 25m

Spokane

Mon 6/8

6:05 pm-11:05 pm

1 stop5h 00m

$150

Quickest round-trip

San DiegoPortland

SAN - PDX

SANPDX

San Diego

Sat 4/18

9:07 pm-11:59 pm

Nonstop2h 52m

Portland

Mon 4/20

5:32 pm-8:11 pm

Nonstop2h 39m

$183

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

The month of February is, on average, the cheapest month to fly to State of Washington from San Diego, with most prices found around $197. If you aren’t able to travel to State of Washington during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $199.

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 $323. 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 $548.

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 $345. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $409 on average. Flights to State of Washington from San Diego in the morning 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 Spokane 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 $250 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 $213 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?

No. A direct flight is the cheapest option for a flight between San Diego to State of Washington.

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 25m
Direct flights	Every day
Airports in State of Washington	96 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 $213.

The fastest flight from San Diego to State of Washington takes 2h 25m

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

There are 96 airports in State of Washington. From San Diego there are direct flights to 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 March 2026, 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 737-800 Passenger/BBJ2 (winglets), making up 25.28% of the total bookings. Other popular models include Airbus A319 with 11.16%, Boeing 737 with 9.66%, and Boeing 737-900 with 8.29%.

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 $67	Free Cancellation	Rating 6.3 8,564 reviews	Search Spirit Airlines flights
Allegiant Air	PriceFrom $98	Free Cancellation	Rating 7.3 709 reviews	Search Allegiant Air flights
Delta	PriceFrom $109	Free Cancellation	Rating 7.9 8,364 reviews	Search Delta flights
Frontier	PriceFrom $110	Free Cancellation	Rating 5.7 3,008 reviews	Search Frontier flights
Hawaiian Airlines	PriceFrom $133	Free Cancellation	Rating 7.8 2,837 reviews	Search Hawaiian Airlines flights
Alaska Airlines	PriceFrom $137	Free Cancellation	Rating 7.9 12,142 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $149	Free Cancellation	Rating 8.0 4,332 reviews	Search Southwest flights
United Airlines	PriceFrom $192	Free Cancellation	Rating 7.4 9,525 reviews	Search United Airlines flights
American Airlines	PriceFrom $225	Free Cancellation	Rating 7.1 11,543 reviews	Search American 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.

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Flights to Dallasfrom $55

Flights to Fort Lauderdalefrom $56

Cheap flights from San Diego to Washington from $60

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 5/19. 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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Frontier flights from San Diego to State of Washington

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

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?

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?

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

What is the cheapest airline that flies 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?

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

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

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?

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

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