① My-page purchase
After ticketing, the 'Buy seats/baggage' button on the booking page (My page) opens the ALLWIN AIR ancillary screen. First launched on Interpark international in November 2019, it recorded KRW 53 million in December 2019 and KRW 92 million in January 2020.

② Bundled purchase
Travelers choose seats, baggage and meals inside the booking flow and pay for the ticket and ancillaries at once. Launched on Interpark international in October 2020.

③ Post-payment purchase
On the payment-complete page, travelers are asked 'Would you like a more comfortable seat?' and go straight to seat and baggage purchase. Launched on Webtour domestic in November 2020.

How much travelers buy: early results
| Metric | International (Nov 2019–Apr 2021) | Domestic (Nov 2020–Apr 2021) |
|---|---|---|
| Payment conversion | 15.6% | 11.3% |
| Purchase conversion (all) | 56.1% | 25.2% |
| · Seat selection | 37.4% | 24.8% |
| · Baggage | 9.5% | 0.4% |
| · Meals | 8.7% | — |
| Average order value | KRW 72,214 | KRW 14,259 |
| Items per order | 3.6 | 2.2 |
Early ALLWIN AIR AGS results (international Nov 2019–Apr 2021, domestic Nov 2020–Apr 2021). Because we offer what travelers need right after they buy a ticket, conversion is far higher than typical e-commerce.
Frequently asked questions
- Which sales flow should a seller choose?
- All three can run together. We recommend bundled purchase during booking for the first sale, plus post-payment offers and my-page purchase to catch travelers who skipped it.
- What conversion do ALLWIN AIR ancillaries achieve?
- In early operation, purchase conversion (items ÷ visitors) was 56.1% on international and 25.2% on domestic flights, far above the 1–2% typical in e-commerce.
- Are both domestic and international flights supported?
- Yes. Both are supported; available products vary by airline and route.
Start integrating with ALLWIN AIR
Airlines and ancillary suppliers, as well as travel agencies, OTAs and travel platforms, can all start with a single integration. We agree on the integration model and schedule to fit each partner.