$761+ Cheap flights from Seattle (SEA) to Semarang (SRG)
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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SRG
Apr 22 — Apr 291
1 adult, Economy
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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.Cheap flight deals from Seattle to Semarang
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Semarang (SRG). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 17, 2025.
Round-trip from | $1,331 (Gotogate) |
|---|---|
One-way from | $761 (Flightnetwork) |
Find flight deals from Seattle to Semarang
Cheapest flights from Seattle to SemarangExplore the most affordable flight options available from Seattle to Semarang. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.
Explore the most affordable flight options available from Seattle to Semarang. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.
This Gotogate deal was found by Cheapflights users on 4/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/12:55 pmSEA - SRG
3 stops33h 45mMultiple Airlines
Sun 6/89:45 amSRG - SEA
2 stops23h 45mMultiple Airlines
Deal found 4/17![Multiple Airlines logo]()
$1,331
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Semarang 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 April 17, 2025.
Use the filters below to find and compare flights from Seattle to Semarang that are best for you.
Fly from
Seattle
Fly to
Semarang
Route
Depart
Return
Price
SeattleSemarang
SEA - SRG
SEASRG
Seattle/Tacoma Intl
Sun 6/1
2:55 pm-2:40 pm
3 stops33h 45m
Semarang Achmad Yani
Sun 6/8
9:45 am-7:30 pm
2 stops23h 45m
$1,331
SeattleSemarang
SEA - SRG
SEASRG
Seattle/Tacoma Intl
Sun 6/1
2:55 pm-2:40 pm
3 stops33h 45m
$761
Best time to book a flight from Seattle to Semarang
Have a flexible travel schedule? Discover the best time to fly to Semarang from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Semarang
Rainfall in Semarang by month
Plan your trip to Semarang by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Semarang ranges from 2.4 - 16.9 inches per month. January is typically the wettest month, when rainfall can reach 16.9 in. August is typically the driest time to visit Semarang when rainfall is around 2.4 in.
Temperature in Semarang by month
Plan your trip to Semarang by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Semarang, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).