$49+ Cheap flights from Irvine, CA to Seattle (SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Irvine to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.The best prices from Irvine to Seattle/Tacoma Intl are usually found in January or September, booked 50 days in advance, depart on a Saturday or Thursday and return on a Thursday
Cheap flight deals from Irvine to Seattle
Keep the following information in mind while searching for Irvine to Seattle flight deals. Data was last updated March 14, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $79 (Mytrip) |
One-way from | $49 (CheapOair) |
Popular in | June |
Cheapest in | January |
Average price | $237 |
Find flight deals from Irvine to Seattle
Cheapest flights from Irvine to SeattleExplore the most affordable flight options available from Irvine to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2025.
Explore the most affordable flight options available from Irvine to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 14, 2025.
This Mytrip deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Kiwi.com deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 3/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 3/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from Irvine to Seattle within your budget
Customize your flight search to find flights from Irvine to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 14, 2025.
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Thu 5/1
3:30 pm-6:23 pm
Nonstop2h 53m
Seattle/Tacoma Intl
Mon 5/5
2:30 pm-5:23 pm
Nonstop2h 53m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Thu 5/1
5:35 pm-8:42 pm
Nonstop3h 07m
Seattle/Tacoma Intl
Mon 5/5
10:06 am-12:51 pm
Nonstop2h 45m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Mon 4/7
4:01 pm-7:01 pm
Nonstop3h 00m
Seattle/Tacoma Intl
Thu 4/10
7:35 pm-10:27 pm
Nonstop2h 52m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Wed 4/23
2:00 pm-4:50 pm
Nonstop2h 50m
Seattle/Tacoma Intl
Sat 4/26
7:10 am-10:00 am
Nonstop2h 50m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Mon 5/12
9:05 pm-11:55 pm
Nonstop2h 50m
Seattle/Tacoma Intl
Thu 5/15
9:15 pm-11:59 pm
Nonstop2h 44m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Sat 4/5
6:25 pm-10:35 pm
1 stop4h 10m
Seattle/Tacoma Intl
Tue 4/8
10:10 am-2:35 pm
1 stop4h 25m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Wed 4/23
9:30 am-3:10 pm
1 stop5h 40m
Seattle/Tacoma Intl
Sat 4/26
3:39 pm-8:13 pm
1 stop4h 34m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Mon 4/7
4:01 pm-7:01 pm
Nonstop3h 00m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Thu 3/27
4:11 pm-7:09 pm
Nonstop2h 58m
Los AngelesSeattle
LAX - SEA
LAXSEA
Los Angeles
Wed 4/9
7:00 am-9:58 am
Nonstop2h 58m
Best time to book a flight from Irvine to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Irvine with our price prediction graph.
Travel insights for flights from Irvine to Seattle
Get recent, data-driven insights about flights from Irvine to Seattle including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from Irvine to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from Irvine to Seattle. Price data was last updated on March 7, 2025.
The best time to book flights from Irvine to Seattle is 29 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from Irvine to Seattle?
Currently, January is the cheapest month in which you can book a flight from Irvine to Seattle (average of $238). Flying from Irvine to Seattle in July is currently the most expensive (average of $411). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from IR9 to SEA?
Find hourly flight availability from Irvine to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 14, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Irvine to Seattle as you normally would.
What is the cheapest day to fly from Irvine to Seattle?
Use this chart to determine the cheapest time to fly round-trip from Irvine to Seattle. Price data was last updated on March 9, 2025.
Travelers seeking maximum savings on their Irvine to Seattle flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Irvine to Seattle
Explore weekly flight availability from Irvine to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 14, 2025.
The most flights from IR9 to SEA are scheduled on a Thursday (114 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (39 on average).
Rainfall in Seattle by month
Plan your trip to Seattle by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.
Temperature in Seattle by month
Plan your trip to Seattle by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated March 14, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Irvine to Seattle. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Merlyn,Feb 2025
LAX - SMF
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Merlyn,Feb 2025
LAX - SMF
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Merlyn,Feb 2025
LAX - SMF
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Merlyn,Feb 2025
LAX - SMF
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Merlyn,Feb 2025
LAX - SMF
Crew
Food
Boarding
Overall
Comfort
Entertainment
Reviews
Merlyn,Feb 2025
LAX - SMF
Related info for your journey
Find useful and relevant information for your journey from Irvine to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Irvine?
Book flights to Irvine if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Irvine to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from Irvine to Seattle
Discover the top 8 airlines that operate flights from Irvine to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 14, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$38 | Average$139 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$61 | Average$145 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$78 | Average$267 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$88 | Average$261 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$108 | Average$285 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$150 | Average$342 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$156 | Average$349 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$157 | Average$389 | FlexibilityNo cancel fee | On-time71% |