Cheap flights from San Diego to Washington from $45
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 5/7. 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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0 bags
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Cheap round-trip flights
KAYAK's recommended round-trip deals from the most popular airlines that fly from San Diego to Washington.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Diego to Washington.
Cheap last minute flights
Planning a quick getaway from San Diego to Washington? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Washington, so you can enjoy a seamless trip without layovers.
Spirit Airlines flights from San Diego to State of Washington
Our best Spirit Airlines deals on San Diego to State of Washington flight tickets
Spirit Airlines![Spirit Airlines]()
May 6![Spirit Airlines]()
May 7
SAN6:15 amSan Diego
5h 20m
1 stop
SEA11:35 amSeattle/Tacoma Intl
SEA3:20 pmSeattle/Tacoma Intl
4h 33m
1 stop
SAN7:53 pmSan Diego
Spirit Airlines![Spirit Airlines]()
May 7![Spirit Airlines]()
May 13
SAN6:15 amSan Diego
8h 10m
1 stop
SEA2:25 pmSeattle/Tacoma Intl
SEA3:20 pmSeattle/Tacoma Intl
8h 36m
1 stop
SAN11:56 pmSan Diego
Frontier flights from San Diego to State of Washington
Our best Frontier deals on San Diego to State of Washington flight tickets
Frontier![Frontier]()
Apr 29![Frontier]()
Apr 30
SAN1:10 pmSan Diego
11h 34m
1 stop
SEA12:44 amSeattle/Tacoma Intl
SEA6:00 amSeattle/Tacoma Intl
6h 10m
1 stop
SAN12:10 pmSan Diego
Frontier![Frontier]()
Apr 26![Frontier]()
Apr 30
SAN6:25 amSan Diego
18h 19m
1 stop
SEA12:44 amSeattle/Tacoma Intl
SEA6:00 amSeattle/Tacoma Intl
18h 14m
1 stop
SAN12:14 amSan Diego
See travel insights to Washington from
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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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 $161. 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 $176.
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 $330. 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 evening when flights can be purchased for as low as $306. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $423 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 Bellingham 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 7 weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $236 when searching 7 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 $201 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.
What is the cheapest airline that flies from San Diego to Washington?
Spirit Airlines, Southwest, and Alaska Airlines are the most popular carriers operating from San Diego to Washington
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 51% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 10 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 47 per day as of April 2025. The most frequent departure time is 8:00PM, with 39% of daily flights leaving at noon.
How many flights depart from San Diego to State of Washington on average per week?
331 flights are operational weekly from San Diego to State of Washington as of April 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 | $45 |
|---|---|
Fastest flight time | 2h 30m |
Direct flights | Every day |
Airports in State of Washington | 5 airports |
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 April 2025, there are 10 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 22.41% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 22.30%, Boeing 737 with 18.13%, and Boeing 737 MAX 9 with 10.85%.
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 | ||
|---|---|---|---|---|---|
| PriceFrom $78 | Free Cancellation | Rating 6.3 7,926 reviews | |||
| PriceFrom $98 | Free Cancellation | Rating 6.0 3,281 reviews | |||
| PriceFrom $113 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $117 | Free Cancellation | Rating 8.0 7,916 reviews | |||
| PriceFrom $117 | Free Cancellation | Rating 7.3 734 reviews | |||
| PriceFrom $135 | Free Cancellation | Rating 8.0 9,887 reviews | |||
| PriceFrom $147 | Free Cancellation | Rating 7.9 2,380 reviews | |||
| PriceFrom $166 | Free Cancellation | Rating 8.0 4,280 reviews | |||
| PriceFrom $185 | Free Cancellation | Rating 7.4 8,667 reviews |
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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