Traveller A from Singapore, Traveller B from Shenzhen

8 searches across 4 cities and 2 windows, checked 11 Oct 2026.

Direct only
20 kg checked bag each way
Land within 3 hours of each other
Out Friday night or Saturday morning, back Sunday
Traveller B won't fly from Hong Kong

Sample data. Fares and times are real (Google Flights via SerpApi, checked 11 Oct 2026). Bag fees are placeholders until the fee table is built.

14 options, cheapest first

FaresBags, low estimate (placeholder)Bags, range to high estimate (placeholder)

Cheapest by city and window

City	4–13 Dec	11–20 Dec
Shanghai	S$908–98683 combinations	S$946–1,02483 combinations
Seoul	S$1,482–1,53410 combinations	S$1,703–1,75510 combinations
Osaka	S$3,147–3,1731 combination	S$3,680–3,7061 combination
Tokyo	None met the rulesNo outbound flights for Traveller B	None met the rulesNo outbound flights for Traveller B

Loosen one rule

Allow Friday departures from 17:00:

Brings back Tokyo (4–13 Dec), S$1,833–1,885 for the group, landing 2h 40m apart.
Brings back Tokyo (11–20 Dec), S$2,076–2,128 for the group, landing 2h 40m apart.

Not included in the ranked list until the rule changes.

Ranked 1 of 14, joint cheapest

Shanghai, 4–13 Dec

S$908–986

Group total, fares and bags

Traveller A pays: S$639–691
Traveller B pays: S$269–295
Landing gap: 2h
Price status: Estimated

All 4 fares are estimated: Google Flights fare plus a bag fee from our table. Not yet checked with the seller. Deal check: Good on 2 flights, Fair on 2 flights.

Arrivals

Traveller B lands first and waits 2h at PVG.

Traveller A

SIN 06:30PVG 11:45

Traveller B

SZX 07:30PVG 09:45

Gap

Times on the Shanghai clock. Sat 5 Dec.

True cost

Fares plus one 20 kg checked bag each way.

Traveller	Fares	Bags (placeholder)	Total
Traveller ASingapore, SIN	S$563	S$76–128 (placeholder)	S$639–691
Traveller BShenzhen, SZX	S$231	S$38–64 (placeholder)	S$269–295
Both	S$794	S$114–192 (placeholder)	S$908–986

Flights

Direct, local times.

Traveller AOut, Sat 5 Dec
SIN 06:30PVG 11:459C 8552, Spring, 5h 15m, low-cost
Fare
S$400 Estimated
Bag
S$38–64 (placeholder)
Deal
Fair. Within the typical S$240–405.
Traveller BOut, Sat 5 Dec
SZX 07:30PVG 09:45MU 5332, China Eastern, 2h 15m
Fare
S$131 Estimated
Bag
S$0 (placeholder)
Deal
Fair. Within the typical S$85–135.
Traveller ABack, Sun 13 Dec
PVG 23:30SIN 05:30 Mon 14 Dec9C 8551, Spring, 6h, overnight, low-cost
Fare
S$163 Estimated
Bag
S$38–64 (placeholder)
Deal
Good. Low end of the typical S$140–375.
Traveller BBack, Sun 13 Dec
SHA 07:30SZX 10:109C 8917, Spring, 2h 40m, low-cost
Fare
S$100 Estimated
Bag
S$38–64 (placeholder)
Deal
Good. Low end of the typical S$85–135.