Round-trip, one stop flights from Seattle, Washington (SEA) to Surabaya, Indonesia (SUB) for $569 on Singapore Airlines.
This is an Economy Lite fare, which includes one carry-on bag and two checked bags. An Economy Value fare, which allows changes and cancellations (both with a fee), is $629.
Please note that there is a long layover (10+ hours) in Singapore on both legs of the journey. You could potentially use this as a chance to get out of the airport and see a bit of the city. Some layovers are up to 20 hours or more.
Dates are limited for this fare, so if you intend to book, do it soon.
Dates
At time of publication, this fare was available for departures Jan. – Feb. 2026.
Examples
These dates are examples only. More dates may be available at this price. See the “How to Book” section below for details.
- Depart Jan. 18, 20 / Return Jan. 22, 23, 28 – 31; Feb. 2 – 7, 9, 11 – 13, 16, 18
- Depart Jan. 22 – 25 / Return Jan. 28 – 31; Feb. 2 – 7, 9, 11 – 13, 16, 18
- Depart Jan. 27 / Return Jan. 29 – 31; Feb. 2 – 7, 9, 11 – 13, 16, 18
- Depart Jan. 29 – 31; Feb. 1, 3 / Return Feb. 9, 11 – 13, 16, 18
- Depart Feb 5 -8, 10 / Return Feb. 16, 18
Details
| Airline: | Singapore Airlines |
| Rating: | 5 stars |
| Origin: | SEA |
| Destination: | SUB |
| Stops: | One stop |
| Fare type: | Economy Lite |
| Carry-on bags: | 1 |
| Checked bags: | 2 |
| Seat selection: | $ |
| Changes: | Not allowed |
| Refunds / Cancellation: | Not allowed |
| Fare (ticket price): | $569 |
How to Book
There are 2 ways to quickly search for flights on the Singapore Airlines website:
- A fare calendar opens when you click into the date field in the flight search form. You can use this to quickly scan for low the lowest fares by month.
- Adjust the trip length at the bottom of the calendar to find low-price date combinations.
- Perform a flight search. Above the flight search results, there is a small link: “See-7-day fares”. Click it to open a 7-day calendar with the lowest fares highlighted.
- On this calendar, use the “Next 7 days” or “Previous 7 days” links to navigate to different departure and return date ranges.
- Click the desired price and dates, then scroll down and click “Next”.
- Select the flights and fare type you want and follow the instructions to complete the booking.
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