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 58% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 8 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 day?

The number of flights available between San Diego and State of Washington is 29 per day as of August 2026. The most frequent departure time is 1:00PM, with 44% of daily flights leaving at noon.

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

206 flights are operational weekly from San Diego to State of Washington as of August 2026. The most popular departure day for this route is Sat, with 29% of flights per week taking off on this day.

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

Alaska Airlines, Delta, and Southwest 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 August 2026, there are 7 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.

$50 Cheap Flights from San Diego to Washington in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Diego to Washington

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11:15 am - 2:00 pmSAN San Diego-GEG Spokane

2h 45mnonstop

7:55 am - 10:35 amGEG Spokane-SAN San Diego

2h 40mnonstop

$99Southwest

Sat, Sep 5 - Sun, Sep 6

7:59 pm - 10:49 pmSAN San Diego-GEG Spokane

2h 50mnonstop

7:03 am - 9:54 amGEG Spokane-SAN San Diego

2h 51mnonstop

$100Alaska Airlines

Sat, Sep 5 - Sun, Sep 6

11:15 am - 2:00 pmSAN San Diego-GEG Spokane

2h 45mnonstop

4:50 pm - 9:20 pmGEG Spokane-SAN San Diego

4h 30m1 stop San Jose

$109Southwest

Sat, Sep 5 - Sun, Sep 6

7:59 pm - 10:50 pmSAN San Diego-GEG Spokane

2h 51mnonstop

7:19 am - 10:11 amGEG Spokane-SAN San Diego

2h 52mnonstop

$116Alaska Airlines

Thu, Oct 15 - Mon, Oct 19

10:57 am - 3:44 pmSAN San Diego-GEG Spokane

4h 47m1 stop Los Angeles

5:09 pm - 11:55 pmGEG Spokane-SAN San Diego

6h 46m1 stop Salt Lake City

$137Delta

Wed, Oct 7 - Tue, Oct 13

1:53 pm - 7:07 pmSAN San Diego-GEG Spokane

5h 14m1 stop Seattle/Tacoma Intl

5:10 am - 10:07 amGEG Spokane-SAN San Diego

4h 57m1 stop Seattle/Tacoma Intl

$137Delta

Sat, Oct 10 - Thu, Oct 15

9:03 pm - 11:36 amSAN San Diego-PDX Portland

14h 33m1 stop Las Vegas Harry Reid Intl

12:39 pm - 8:17 pmPDX Portland-SAN San Diego

7h 38m1 stop Las Vegas Harry Reid Intl

$150Frontier

Fri, Sep 25 - Mon, Sep 28

3:45 pm - 5:11 pmSAN San Diego-PDX Portland

25h 26m1 stop Denver Intl

9:13 am - 11:49 amPDX Portland-SAN San Diego

2h 36mnonstop

$151Multiple Airlines

Sat, Sep 5 - Sat, Sep 12

3:45 pm - 5:11 pmSAN San Diego-PDX Portland

25h 26m1 stop Denver Intl

7:55 am - 10:30 amPDX Portland-SAN San Diego

2h 35mnonstop

$151Multiple Airlines

Sat, Sep 5 - Tue, Sep 8

3:45 pm - 5:11 pmSAN San Diego-PDX Portland

25h 26m1 stop Denver Intl

12:38 pm - 11:51 pmPDX Portland-SAN San Diego

11h 13m1 stop Denver Intl

$155Frontier

Sat, Sep 5 - Thu, Sep 10

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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

Frontier

Sep 25

SAN9:03 pmSan Diego

14h 33m

1 stop

PDX11:36 amPortland

Sep 28

PDX12:39 pmPortland

7h 38m

1 stop

SAN8:17 pmSan Diego

$150

Frontier

Sep 26

SAN4:54 pmSan Diego

22h 14m

1 stop

SEA3:08 pmSeattle/Tacoma Intl

Sep 28

SEA9:45 pmSeattle/Tacoma Intl

19h 14m

1 stop

SAN4:59 pmSan Diego

$159

Frontier

Sep 24

SAN9:03 pmSan Diego

21h 25m

1 stop

SEA6:28 pmSeattle/Tacoma Intl

Sep 28

SEA7:45 pmSeattle/Tacoma Intl

21h 14m

1 stop

SAN4:59 pmSan Diego

$160

Southwest flights from San Diego to State of Washington

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

Southwest

Sep 5

SAN11:15 amSan Diego

2h 45m

GEG2:00 pmSpokane

Sep 6

GEG7:55 amSpokane

2h 40m

SAN10:35 amSan Diego

$99

Southwest

Sep 5

SAN11:15 amSan Diego

2h 45m

GEG2:00 pmSpokane

Sep 6

GEG4:50 pmSpokane

4h 30m

1 stop

SAN9:20 pmSan Diego

$109

Southwest

Sep 5

SAN2:50 pmSan Diego

5h 35m

2 stops

GEG8:25 pmSpokane

Sep 6

GEG7:55 amSpokane

2h 40m

SAN10:35 amSan Diego

$114

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San DiegoSpokane

SAN San Diego - GEG Spokane

SANGEG

San Diego

Sat 9/5

11:15 am-2:00 pm

Nonstop2h 45m

Spokane

Sun 9/6

7:55 am-10:35 am

Nonstop2h 40m

$99

San DiegoSpokane

SAN San Diego - GEG Spokane

SANGEG

San Diego

Sat 9/5

7:59 pm-10:49 pm

Nonstop2h 50m

Spokane

Sun 9/6

7:03 am-9:54 am

Nonstop2h 51m

$100

San DiegoSpokane

SAN San Diego - GEG Spokane

SANGEG

San Diego

Sat 9/5

11:15 am-2:00 pm

Nonstop2h 45m

Spokane

Sun 9/6

4:50 pm-9:20 pm

1 stop4h 30m

$109

San DiegoSpokane

SAN San Diego - GEG Spokane

SANGEG

San Diego

Thu 10/15

7:59 pm-10:50 pm

Nonstop2h 51m

Spokane

Mon 10/19

7:19 am-10:11 am

Nonstop2h 52m

$116

San DiegoSpokane

SAN San Diego - GEG Spokane

SANGEG

San Diego

Wed 10/7

10:57 am-3:44 pm

1 stop4h 47m

Spokane

Tue 10/13

5:09 pm-11:55 pm

1 stop6h 46m

$137

San DiegoSpokane

SAN San Diego - GEG Spokane

SANGEG

San Diego

Sat 10/10

1:53 pm-7:07 pm

1 stop5h 14m

Spokane

Thu 10/15

5:10 am-10:07 am

1 stop4h 57m

$137

San DiegoPortland

SAN San Diego - PDX Portland

SANPDX

San Diego

Fri 9/25

9:03 pm-11:36 am

1 stop14h 33m

Portland

Mon 9/28

12:39 pm-8:17 pm

1 stop7h 38m

$150

San DiegoPortland

SAN San Diego - PDX Portland

SANPDX

San Diego

Sat 9/5

3:45 pm-5:11 pm

1 stop25h 26m

Portland

Sat 9/12

9:13 am-11:49 am

Nonstop2h 36m

$151

San DiegoPortland

SAN San Diego - PDX Portland

SANPDX

San Diego

Sat 9/5

3:45 pm-5:11 pm

1 stop25h 26m

Portland

Tue 9/8

7:55 am-10:30 am

Nonstop2h 35m

$151

San DiegoPortland

SAN San Diego - PDX Portland

SANPDX

San Diego

Sat 9/5

3:45 pm-5:11 pm

1 stop25h 26m

Portland

Thu 9/10

12:38 pm-11:51 pm

1 stop11h 13m

$155

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

Prices

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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 $216. If you aren’t able to travel to State of Washington during the month of January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $221.

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 Friday. Travelers who choose to depart for State of Washington on a Friday will often find tickets for as low as $313. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Diego to State of Washington for around $559.

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 evening when flights can be purchased for as low as $292. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $390 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 Everett Paine Field for the best San Diego - Washington flight prices

How far in advance should I book a flight from San Diego to 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 $254 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 $210 on momondo.

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

There are 4 cabin classes available to choose from on San Diego to State of 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 $163.

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

Frequently asked questions about flying 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 August 2026, there are 7 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 36.92% of the total bookings. Other popular models include Boeing 737-900 with 27.67%, Boeing 737 MAX 8 with 9.22%, and Boeing 737 with 6.28%.

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
Hawaiian Airlines	PriceFrom $88	Free Cancellation	Rating 7.8 2,817 reviews	Search Hawaiian Airlines flights
Delta	PriceFrom $106	Free Cancellation	Rating 7.8 8,502 reviews	Search Delta flights
Alaska Airlines	PriceFrom $134	Free Cancellation	Rating 7.9 12,808 reviews	Search Alaska Airlines flights
Frontier	PriceFrom $142	Free Cancellation	Rating 5.6 2,683 reviews	Search Frontier flights
Southwest	PriceFrom $147	Free Cancellation	Rating 8.0 4,217 reviews	Search Southwest flights
United Airlines	PriceFrom $178	Free Cancellation	Rating 7.4 10,105 reviews	Search United Airlines flights
American Airlines	PriceFrom $387	Free Cancellation	Rating 7.1 11,946 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 New Yorkfrom $73

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Flights to Las Vegasfrom $50

Flights to Washington, D.C.from $52

Flights to Bostonfrom $88

Flights to Atlantafrom $42

Flights to Fort Lauderdalefrom $42

Flights to Dallasfrom $65

Cheap flights from San Diego to Washington from $50

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 9/11. 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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Our best Southwest deals on San Diego to State of Washington flight tickets

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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 from San Diego to Washington?

What cabin class options are available on San Diego to State of 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

Best Price Found

Fastest flight time

Direct flights

Airports in State of Washington

Frequently asked questions about flying from San Diego to 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

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

Find better results for your trip to Washington

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