Singapore Airlines Flight 401 Deals & Information (2026/2027)

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Singapore Airlines Flight 401 Route Deals From $137

The cheapest prices found with in the last 7 days for return flights were $272 and $137 for one-way flights to Changi for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Aug 7 - Thu, Aug 13
DEL
Indira Gandhi Intl.
SIN
Changi
$272 Roundtrip, found 1 hour ago
$272
Roundtrip
found 1 hour ago
Select Singapore Airlines flight, departing Fri, Aug 7 from Indira Gandhi Intl. to Changi, returning Thu, Aug 13, priced at $272 found 1 hour ago
Fri, Jul 10 - Sun, Jul 26
DEL
Indira Gandhi Intl.
SIN
Changi
$272 Roundtrip, found 2 days ago
$272
Roundtrip
found 2 days ago
Select Singapore Airlines flight, departing Fri, Jul 10 from Indira Gandhi Intl. to Changi, returning Sun, Jul 26, priced at $272 found 2 days ago
Tue, Jun 16 - Thu, Jul 16
DEL
Indira Gandhi Intl.
SIN
Changi
$274 Roundtrip, found 1 hour ago
$274
Roundtrip
found 1 hour ago
Select Singapore Airlines flight, departing Tue, Jun 16 from Indira Gandhi Intl. to Changi, returning Thu, Jul 16, priced at $274 found 1 hour ago
Mon, Sep 14 - Thu, Sep 17
DEL
Indira Gandhi Intl.
SIN
Changi
$295 Roundtrip, found 1 day ago
$295
Roundtrip
found 1 day ago
Select Singapore Airlines flight, departing Mon, Sep 14 from Indira Gandhi Intl. to Changi, returning Thu, Sep 17, priced at $295 found 1 day ago
Sat, Jun 13 - Thu, Jun 18
DEL
Indira Gandhi Intl.
SIN
Changi
$297 Roundtrip, found 19 hours ago
$297
Roundtrip
found 19 hours ago
Select Singapore Airlines flight, departing Sat, Jun 13 from Indira Gandhi Intl. to Changi, returning Thu, Jun 18, priced at $297 found 19 hours ago