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Seattle → Singapore

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SEA → SIN1 adulteconomy

21 flight options · 7 airlines

Round-trip flights

Fri, Nov 20 – Mon, Nov 23

Singapore Airlines
8:40 amSEA
17h 5m
Nonstop
5:45 pm+1SIN
Singapore Airlines
8:55 amSIN
14h 10m
Nonstop
7:05 amSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
7:00 amSEA
21h 15m
SFO · 1h 18m
8:15 pm+1SIN
Air Canada
8:40 amSIN
16h 52m
YVR · 1h 40m
9:32 amSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Air Canada
7:05 pmSEA
19h 55m
YVR · 2h 6m
7:00 am+2SIN
Air Canada
8:40 amSIN
16h 52m
YVR · 1h 40m
9:32 amSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

EVA Air
12:10 amSEA
19h 55m
TPE · 2h 5m
12:05 pm+1SIN
EVA Air
3:45 pmSIN
18h 25m
TPE · 3h 25m
6:10 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Alaska Airlines
11:55 amSEA
20h 55m
NRT · 2h 45m
12:50 am+2SIN
Air Canada
8:40 amSIN
16h 52m
YVR · 1h 40m
9:32 amSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Korean Air
11:00 amSEA
21h 15m
ICN · 2h 40m
12:15 am+2SIN
Korean Air
10:30 amSIN
19h 40m
ICN · 3h 10m
2:10 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Japan Airlines
12:00 pmSEA
20h 50m
NRT · 2h 40m
12:50 am+2SIN
Japan Airlines
8:15 amSIN
17h
NRT · 1h 25m
9:15 amSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Singapore Airlines
8:40 amSEA
17h 5m
Nonstop
5:45 pm+1SIN
Singapore Airlines
8:55 amSIN
14h 10m
Nonstop
7:05 amSEA

Round-trip total · 1 adult · Taxes included

Show 6 more flights

Fri, Nov 27 – Fri, Dec 4

Air Canada
7:05 pmSEA
19h 55m
YVR · 2h 6m
7:00 am+2SIN
Air Canada
8:40 amSIN
16h 52m
YVR · 1h 40m
9:32 amSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

EVA Air
12:10 amSEA
19h 55m
TPE · 2h 5m
12:05 pm+1SIN
EVA Air
3:45 pmSIN
18h 25m
TPE · 3h 25m
6:10 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
7:00 amSEA
21h 15m
SFO · 1h 18m
8:15 pm+1SIN
Japan Airlines
8:15 amSIN
17h
NRT · 1h 25m
9:15 amSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Korean Air
11:00 amSEA
21h 15m
ICN · 2h 40m
12:15 am+2SIN
Korean Air
10:30 amSIN
19h 40m
ICN · 3h 10m
2:10 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Alaska Airlines
11:55 amSEA
20h 55m
NRT · 2h 45m
12:50 am+2SIN
Japan Airlines
8:15 amSIN
17h
NRT · 1h 25m
9:15 amSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Japan Airlines
12:00 pmSEA
20h 50m
NRT · 2h 40m
12:50 am+2SIN
Japan Airlines
8:15 amSIN
17h
NRT · 1h 25m
9:15 amSEA

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

Singapore Airlines
8:40 amSEA
17h 5m
Nonstop
5:45 pm+1SIN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
7:00 amSEA
21h 15m
SFO · 1h 18m
8:15 pm+1SIN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Air Canada
7:05 pmSEA
19h 55m
YVR · 2h 6m
7:00 am+2SIN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

EVA Air
12:10 amSEA
19h 55m
TPE · 2h 5m
12:05 pm+1SIN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Korean Air
11:00 amSEA
21h 15m
ICN · 2h 40m
12:15 am+2SIN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Alaska Airlines
11:55 amSEA
20h 55m
NRT · 2h 45m
12:50 am+2SIN

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Japan Airlines
12:00 pmSEA
20h 50m
NRT · 2h 40m
12:50 am+2SIN

One-way total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ SIN

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, Singapore Airlines emails you its confirmation code and e-ticket, usually within 15 minutes and occasionally up to a couple of hours while the booking is processed.
  • Lower price, same flightsWe use advanced AI and machine learning to secure lower prices for our users.
  • 24-hour cancellationCancel within 24 hours of booking for a full refund when your departure is at least 7 days away. Closer to departure, the airline’s fare rules apply. Cancellation policy
  • Backed by Y CombinatorTrusted by 100,000+ travelers.

Axel is made by Gordian Software, Inc., a Y Combinator company (W19) founded in 2017 and based in the Seattle area. The company is led by CEO Stephen Grabowski, formerly of Skyscanner. How Axel works · About

More dates

Nov 20, 2026 → Nov 23, 2026Nov 27, 2026 → Dec 4, 2026Nov 20, 2026 · One way
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-11-20 · one waySingapore AirlinesSQ27$760.002026-10-29T01:16:43Z
2026-11-20 → 2026-11-23Singapore AirlinesSQ27 / SQ28$1250.002026-10-29T01:16:43Z
2026-11-20 · one wayUnited AirlinesUA499 + UA29$600.002026-10-29T01:16:43Z
2026-11-20 · one wayAir CanadaAC8811 + AC19$610.002026-10-29T01:16:43Z
2026-11-20 · one wayEVA AirBR25 + BR225$630.002026-10-29T01:16:43Z
2026-11-20 · one wayKorean AirKE42 + KE645$660.002026-10-29T01:16:43Z
2026-11-20 · one wayAlaska AirlinesAS123 + JL711$670.002026-10-29T01:16:43Z
2026-11-20 · one wayJapan AirlinesJL67 + JL711$680.002026-10-29T01:16:43Z
2026-11-27 → 2026-12-04United Airlines / Air CanadaUA499 + UA29 / AC20 + AC8798$1000.002026-10-29T01:16:43Z
2026-11-20 → 2026-11-23Air CanadaAC8811 + AC19 / AC20 + AC8798$1010.002026-10-29T01:16:43Z
2026-11-27 → 2026-12-04EVA AirBR25 + BR225 / BR216 + BR26$1050.002026-10-29T01:16:43Z
2026-11-27 → 2026-12-04Alaska Airlines / Air CanadaAS123 + JL711 / AC20 + AC8798$1060.002026-10-29T01:16:43Z
2026-11-27 → 2026-12-04Korean AirKE42 + KE645 / KE648 + KE47$1090.002026-10-29T01:16:43Z
2026-11-20 → 2026-11-23Japan AirlinesJL67 + JL711 / JL712 + AS124$1130.002026-10-29T01:16:43Z
2026-11-27 → 2026-12-04Singapore AirlinesSQ27 / SQ28$1250.002026-10-29T01:16:43Z
2026-11-27 → 2026-12-04Air CanadaAC8811 + AC19 / AC20 + AC8798$1010.002026-10-29T01:16:43Z
2026-11-20 → 2026-11-23EVA AirBR25 + BR225 / BR216 + BR26$1050.002026-10-29T01:16:43Z
2026-11-20 → 2026-11-23United Airlines / Japan AirlinesUA499 + UA29 / JL712 + AS124$1060.002026-10-29T01:16:43Z
2026-11-20 → 2026-11-23Korean AirKE42 + KE645 / KE648 + KE47$1090.002026-10-29T01:16:43Z
2026-11-20 → 2026-11-23Alaska Airlines / Japan AirlinesAS123 + JL711 / JL712 + AS124$1120.002026-10-29T01:16:43Z
2026-11-27 → 2026-12-04Japan AirlinesJL67 + JL711 / JL712 + AS124$1130.002026-10-29T01:16:43Z

2026-11-20 · one way · $760.00

  • Singapore Airlines SQ27: SEA 2026-11-20 08:40:00 → SIN 2026-11-21 17:45:00; nonstop; 1025 minutes. Local airport times.

2026-11-20 → 2026-11-23 · $1250.00

  • Singapore Airlines SQ27: SEA 2026-11-20 08:40:00 → SIN 2026-11-21 17:45:00; nonstop; 1025 minutes. Local airport times.
  • Singapore Airlines SQ28: SIN 2026-11-23 08:55:00 → SEA 2026-11-23 07:05:00; nonstop; 850 minutes. Local airport times.

2026-11-20 · one way · $600.00

  • United Airlines UA499 / UA29: SEA 2026-11-20 07:00:00 → SIN 2026-11-21 20:15:00; 1 stop(s) via SFO; 1275 minutes. Local airport times.
    • UA499: SEA 2026-11-20 07:00:00 → SFO 2026-11-20 09:22:00; layover at SFO: 78 minutes.
    • UA29: SFO 2026-11-20 10:40:00 → SIN 2026-11-21 20:15:00.

2026-11-20 · one way · $610.00

  • Air Canada AC8811 / AC19: SEA 2026-11-20 19:05:00 → SIN 2026-11-22 07:00:00; 1 stop(s) via YVR; 1195 minutes. Local airport times.
    • AC8811: SEA 2026-11-20 19:05:00 → YVR 2026-11-20 21:09:00; layover at YVR: 126 minutes.
    • AC19: YVR 2026-11-20 23:15:00 → SIN 2026-11-22 07:00:00.

2026-11-20 · one way · $630.00

  • EVA Air BR25 / BR225: SEA 2026-11-20 00:10:00 → SIN 2026-11-21 12:05:00; 1 stop(s) via TPE; 1195 minutes. Local airport times.
    • BR25: SEA 2026-11-20 00:10:00 → TPE 2026-11-21 05:20:00; layover at TPE: 125 minutes.
    • BR225: TPE 2026-11-21 07:25:00 → SIN 2026-11-21 12:05:00.

2026-11-20 · one way · $660.00

  • Korean Air KE42 / KE645: SEA 2026-11-20 11:00:00 → SIN 2026-11-22 00:15:00; 1 stop(s) via ICN; 1275 minutes. Local airport times.
    • KE42: SEA 2026-11-20 11:00:00 → ICN 2026-11-21 15:55:00; layover at ICN: 160 minutes.
    • KE645: ICN 2026-11-21 18:35:00 → SIN 2026-11-22 00:15:00.

2026-11-20 · one way · $670.00

  • Alaska Airlines AS123 / JL711: SEA 2026-11-20 11:55:00 → SIN 2026-11-22 00:50:00; 1 stop(s) via NRT; 1255 minutes. Local airport times.
    • AS123: SEA 2026-11-20 11:55:00 → NRT 2026-11-21 15:25:00; layover at NRT: 165 minutes.
    • JL711: NRT 2026-11-21 18:10:00 → SIN 2026-11-22 00:50:00.

2026-11-20 · one way · $680.00

  • Japan Airlines JL67 / JL711: SEA 2026-11-20 12:00:00 → SIN 2026-11-22 00:50:00; 1 stop(s) via NRT; 1250 minutes. Local airport times.
    • JL67: SEA 2026-11-20 12:00:00 → NRT 2026-11-21 15:30:00; layover at NRT: 160 minutes.
    • JL711: NRT 2026-11-21 18:10:00 → SIN 2026-11-22 00:50:00.

2026-11-27 → 2026-12-04 · $1000.00

  • United Airlines UA499 / UA29: SEA 2026-11-27 07:00:00 → SIN 2026-11-28 20:15:00; 1 stop(s) via SFO; 1275 minutes. Local airport times.
    • UA499: SEA 2026-11-27 07:00:00 → SFO 2026-11-27 09:22:00; layover at SFO: 78 minutes.
    • UA29: SFO 2026-11-27 10:40:00 → SIN 2026-11-28 20:15:00.
  • Air Canada AC20 / AC8798: SIN 2026-12-04 08:40:00 → SEA 2026-12-04 09:32:00; 1 stop(s) via YVR; 1012 minutes. Local airport times.
    • AC20: SIN 2026-12-04 08:40:00 → YVR 2026-12-04 07:45:00; layover at YVR: 100 minutes.
    • AC8798: YVR 2026-12-04 09:25:00 → SEA 2026-12-04 09:32:00.

2026-11-20 → 2026-11-23 · $1010.00

  • Air Canada AC8811 / AC19: SEA 2026-11-20 19:05:00 → SIN 2026-11-22 07:00:00; 1 stop(s) via YVR; 1195 minutes. Local airport times.
    • AC8811: SEA 2026-11-20 19:05:00 → YVR 2026-11-20 21:09:00; layover at YVR: 126 minutes.
    • AC19: YVR 2026-11-20 23:15:00 → SIN 2026-11-22 07:00:00.
  • Air Canada AC20 / AC8798: SIN 2026-11-23 08:40:00 → SEA 2026-11-23 09:32:00; 1 stop(s) via YVR; 1012 minutes. Local airport times.
    • AC20: SIN 2026-11-23 08:40:00 → YVR 2026-11-23 07:45:00; layover at YVR: 100 minutes.
    • AC8798: YVR 2026-11-23 09:25:00 → SEA 2026-11-23 09:32:00.

2026-11-27 → 2026-12-04 · $1050.00

  • EVA Air BR25 / BR225: SEA 2026-11-27 00:10:00 → SIN 2026-11-28 12:05:00; 1 stop(s) via TPE; 1195 minutes. Local airport times.
    • BR25: SEA 2026-11-27 00:10:00 → TPE 2026-11-28 05:20:00; layover at TPE: 125 minutes.
    • BR225: TPE 2026-11-28 07:25:00 → SIN 2026-11-28 12:05:00.
  • EVA Air BR216 / BR26: SIN 2026-12-04 15:45:00 → SEA 2026-12-04 18:10:00; 1 stop(s) via TPE; 1105 minutes. Local airport times.
    • BR216: SIN 2026-12-04 15:45:00 → TPE 2026-12-04 20:15:00; layover at TPE: 205 minutes.
    • BR26: TPE 2026-12-04 23:40:00 → SEA 2026-12-04 18:10:00.

2026-11-27 → 2026-12-04 · $1060.00

  • Alaska Airlines AS123 / JL711: SEA 2026-11-27 11:55:00 → SIN 2026-11-29 00:50:00; 1 stop(s) via NRT; 1255 minutes. Local airport times.
    • AS123: SEA 2026-11-27 11:55:00 → NRT 2026-11-28 15:25:00; layover at NRT: 165 minutes.
    • JL711: NRT 2026-11-28 18:10:00 → SIN 2026-11-29 00:50:00.
  • Air Canada AC20 / AC8798: SIN 2026-12-04 08:40:00 → SEA 2026-12-04 09:32:00; 1 stop(s) via YVR; 1012 minutes. Local airport times.
    • AC20: SIN 2026-12-04 08:40:00 → YVR 2026-12-04 07:45:00; layover at YVR: 100 minutes.
    • AC8798: YVR 2026-12-04 09:25:00 → SEA 2026-12-04 09:32:00.

2026-11-27 → 2026-12-04 · $1090.00

  • Korean Air KE42 / KE645: SEA 2026-11-27 11:00:00 → SIN 2026-11-29 00:15:00; 1 stop(s) via ICN; 1275 minutes. Local airport times.
    • KE42: SEA 2026-11-27 11:00:00 → ICN 2026-11-28 15:55:00; layover at ICN: 160 minutes.
    • KE645: ICN 2026-11-28 18:35:00 → SIN 2026-11-29 00:15:00.
  • Korean Air KE648 / KE47: SIN 2026-12-04 10:30:00 → SEA 2026-12-04 14:10:00; 1 stop(s) via ICN; 1180 minutes. Local airport times.
    • KE648: SIN 2026-12-04 10:30:00 → ICN 2026-12-04 18:10:00; layover at ICN: 190 minutes.
    • KE47: ICN 2026-12-04 21:20:00 → SEA 2026-12-04 14:10:00.

2026-11-20 → 2026-11-23 · $1130.00

  • Japan Airlines JL67 / JL711: SEA 2026-11-20 12:00:00 → SIN 2026-11-22 00:50:00; 1 stop(s) via NRT; 1250 minutes. Local airport times.
    • JL67: SEA 2026-11-20 12:00:00 → NRT 2026-11-21 15:30:00; layover at NRT: 160 minutes.
    • JL711: NRT 2026-11-21 18:10:00 → SIN 2026-11-22 00:50:00.
  • Japan Airlines JL712 / AS124: SIN 2026-11-23 08:15:00 → SEA 2026-11-23 09:15:00; 1 stop(s) via NRT; 1020 minutes. Local airport times.
    • JL712: SIN 2026-11-23 08:15:00 → NRT 2026-11-23 16:00:00; layover at NRT: 85 minutes.
    • AS124: NRT 2026-11-23 17:25:00 → SEA 2026-11-23 09:15:00.

2026-11-27 → 2026-12-04 · $1250.00

  • Singapore Airlines SQ27: SEA 2026-11-27 08:40:00 → SIN 2026-11-28 17:45:00; nonstop; 1025 minutes. Local airport times.
  • Singapore Airlines SQ28: SIN 2026-12-04 08:55:00 → SEA 2026-12-04 07:05:00; nonstop; 850 minutes. Local airport times.

2026-11-27 → 2026-12-04 · $1010.00

  • Air Canada AC8811 / AC19: SEA 2026-11-27 19:05:00 → SIN 2026-11-29 07:00:00; 1 stop(s) via YVR; 1195 minutes. Local airport times.
    • AC8811: SEA 2026-11-27 19:05:00 → YVR 2026-11-27 21:09:00; layover at YVR: 126 minutes.
    • AC19: YVR 2026-11-27 23:15:00 → SIN 2026-11-29 07:00:00.
  • Air Canada AC20 / AC8798: SIN 2026-12-04 08:40:00 → SEA 2026-12-04 09:32:00; 1 stop(s) via YVR; 1012 minutes. Local airport times.
    • AC20: SIN 2026-12-04 08:40:00 → YVR 2026-12-04 07:45:00; layover at YVR: 100 minutes.
    • AC8798: YVR 2026-12-04 09:25:00 → SEA 2026-12-04 09:32:00.

2026-11-20 → 2026-11-23 · $1050.00

  • EVA Air BR25 / BR225: SEA 2026-11-20 00:10:00 → SIN 2026-11-21 12:05:00; 1 stop(s) via TPE; 1195 minutes. Local airport times.
    • BR25: SEA 2026-11-20 00:10:00 → TPE 2026-11-21 05:20:00; layover at TPE: 125 minutes.
    • BR225: TPE 2026-11-21 07:25:00 → SIN 2026-11-21 12:05:00.
  • EVA Air BR216 / BR26: SIN 2026-11-23 15:45:00 → SEA 2026-11-23 18:10:00; 1 stop(s) via TPE; 1105 minutes. Local airport times.
    • BR216: SIN 2026-11-23 15:45:00 → TPE 2026-11-23 20:15:00; layover at TPE: 205 minutes.
    • BR26: TPE 2026-11-23 23:40:00 → SEA 2026-11-23 18:10:00.

2026-11-20 → 2026-11-23 · $1060.00

  • United Airlines UA499 / UA29: SEA 2026-11-20 07:00:00 → SIN 2026-11-21 20:15:00; 1 stop(s) via SFO; 1275 minutes. Local airport times.
    • UA499: SEA 2026-11-20 07:00:00 → SFO 2026-11-20 09:22:00; layover at SFO: 78 minutes.
    • UA29: SFO 2026-11-20 10:40:00 → SIN 2026-11-21 20:15:00.
  • Japan Airlines JL712 / AS124: SIN 2026-11-23 08:15:00 → SEA 2026-11-23 09:15:00; 1 stop(s) via NRT; 1020 minutes. Local airport times.
    • JL712: SIN 2026-11-23 08:15:00 → NRT 2026-11-23 16:00:00; layover at NRT: 85 minutes.
    • AS124: NRT 2026-11-23 17:25:00 → SEA 2026-11-23 09:15:00.

2026-11-20 → 2026-11-23 · $1090.00

  • Korean Air KE42 / KE645: SEA 2026-11-20 11:00:00 → SIN 2026-11-22 00:15:00; 1 stop(s) via ICN; 1275 minutes. Local airport times.
    • KE42: SEA 2026-11-20 11:00:00 → ICN 2026-11-21 15:55:00; layover at ICN: 160 minutes.
    • KE645: ICN 2026-11-21 18:35:00 → SIN 2026-11-22 00:15:00.
  • Korean Air KE648 / KE47: SIN 2026-11-23 10:30:00 → SEA 2026-11-23 14:10:00; 1 stop(s) via ICN; 1180 minutes. Local airport times.
    • KE648: SIN 2026-11-23 10:30:00 → ICN 2026-11-23 18:10:00; layover at ICN: 190 minutes.
    • KE47: ICN 2026-11-23 21:20:00 → SEA 2026-11-23 14:10:00.

2026-11-20 → 2026-11-23 · $1120.00

  • Alaska Airlines AS123 / JL711: SEA 2026-11-20 11:55:00 → SIN 2026-11-22 00:50:00; 1 stop(s) via NRT; 1255 minutes. Local airport times.
    • AS123: SEA 2026-11-20 11:55:00 → NRT 2026-11-21 15:25:00; layover at NRT: 165 minutes.
    • JL711: NRT 2026-11-21 18:10:00 → SIN 2026-11-22 00:50:00.
  • Japan Airlines JL712 / AS124: SIN 2026-11-23 08:15:00 → SEA 2026-11-23 09:15:00; 1 stop(s) via NRT; 1020 minutes. Local airport times.
    • JL712: SIN 2026-11-23 08:15:00 → NRT 2026-11-23 16:00:00; layover at NRT: 85 minutes.
    • AS124: NRT 2026-11-23 17:25:00 → SEA 2026-11-23 09:15:00.

2026-11-27 → 2026-12-04 · $1130.00

  • Japan Airlines JL67 / JL711: SEA 2026-11-27 12:00:00 → SIN 2026-11-29 00:50:00; 1 stop(s) via NRT; 1250 minutes. Local airport times.
    • JL67: SEA 2026-11-27 12:00:00 → NRT 2026-11-28 15:30:00; layover at NRT: 160 minutes.
    • JL711: NRT 2026-11-28 18:10:00 → SIN 2026-11-29 00:50:00.
  • Japan Airlines JL712 / AS124: SIN 2026-12-04 08:15:00 → SEA 2026-12-04 09:15:00; 1 stop(s) via NRT; 1020 minutes. Local airport times.
    • JL712: SIN 2026-12-04 08:15:00 → NRT 2026-12-04 16:00:00; layover at NRT: 85 minutes.
    • AS124: NRT 2026-12-04 17:25:00 → SEA 2026-12-04 09:15:00.

More dates for this route