Cheap flights from Orange County to Seattle from $89

In general, May is the cheapest month to fly from Orange County to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $197. If you don’t want to visit Seattle in May, then you should wait until March to fly from Orange County, when ticket prices are also cheap, with an average price of $208.

On average, the least expensive day to fly to Seattle from Orange County is on a Thursday. momondo users have found tickets for Thursday departures for as low as $278. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from Orange County because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $397.

Flying to Seattle from Orange County at noon is the least expensive time of day to depart. momondo users have found prices as low as $269 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $336. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Santa Ana J. Wayne/Orange Cnty to Seattle/Tacoma Intl for the best Orange County - Seattle/Tacoma Intl flight prices

You are more likely to see cheaper flights to Seattle from Orange County when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $236 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Orange County for as low as $188 on momondo.

There are 4 cabin classes available to choose from on Orange County to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, Southwest, and United Airlines are the most popular carriers operating from Orange County to Seattle/Tacoma Intl

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Seattle from Orange County according to our data. Alaska Airlines is the first choice among our users, with 66% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 7 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

As of April 2026, there are 19 flights per day flying from Orange County to Seattle. The most common time of day flights depart is 11:00AM, with 66% of flights taking off at noon.

The number of flights available between Orange County and Seattle is 139 per week as of April 2026. The most frequent departure day is Thu, with 23% of weekly flights leaving on this day.