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Seattle → Lisbon

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SEA → LIS1 adulteconomy

18 flight options · 5 airlines

Round-trip flights

Fri, Nov 20 – Mon, Nov 23

FI
2:35 pmSEA
14h 15m
KEF · 2h 15m
12:50 pm+1LIS
Lufthansa
5:00 amLIS
15h
FRA · 1h 20m
12:00 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Air Canada
7:45 amSEA
14h
YYZ · 2h
5:45 am+1LIS
Air Canada
11:20 amLIS
17h 39m
YYZ · 3h 40m
8:59 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
6:30 amSEA
14h 55m
EWR · 2h 58m
5:25 am+1LIS
United Airlines
12:20 pmLIS
16h 41m
IAD · 2h 15m
9:01 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Delta Air Lines
11:45 amSEA
13h 10m
BOS · 1h 31m
8:55 am+1LIS
Lufthansa
5:00 amLIS
15h
FRA · 1h 20m
12:00 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

Air France
4:05 pmSEA
15h 5m
CDG · 2h 35m
3:10 pm+1LIS
Air France
5:30 amLIS
16h 20m
CDG · 3h 15m
1:50 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

FI
2:35 pmSEA
14h 15m
KEF · 2h 15m
12:50 pm+1LIS
Lufthansa
5:00 amLIS
15h
FRA · 1h 20m
12:00 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Air Canada
7:45 amSEA
14h
YYZ · 2h
5:45 am+1LIS
Air Canada
11:20 amLIS
17h 39m
YYZ · 3h 40m
8:59 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 20 – Mon, Nov 23

United Airlines
8:09 amSEA
13h 26m
IAD · 1h 17m
5:35 am+1LIS
United Airlines
12:20 pmLIS
16h 41m
IAD · 2h 15m
9:01 pmSEA

Round-trip total · 1 adult · Taxes included

Show 4 more flights

Fri, Nov 27 – Fri, Dec 4

United Airlines
8:09 amSEA
13h 26m
IAD · 1h 17m
5:35 am+1LIS
United Airlines
12:20 pmLIS
16h 41m
IAD · 2h 15m
9:01 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

United Airlines
6:30 amSEA
14h 55m
EWR · 2h 58m
5:25 am+1LIS
United Airlines
12:20 pmLIS
16h 41m
IAD · 2h 15m
9:01 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Delta Air Lines
11:45 amSEA
13h 10m
BOS · 1h 31m
8:55 am+1LIS
Lufthansa
5:00 amLIS
15h
FRA · 1h 20m
12:00 pmSEA

Round-trip total · 1 adult · Taxes included

Fri, Nov 27 – Fri, Dec 4

Air France
4:05 pmSEA
15h 5m
CDG · 2h 35m
3:10 pm+1LIS
Air France
5:30 amLIS
16h 20m
CDG · 3h 15m
1:50 pmSEA

Round-trip total · 1 adult · Taxes included

One-way flights

Fri, Nov 20 · One way

FI
2:35 pmSEA
14h 15m
KEF · 2h 15m
12:50 pm+1LIS

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Air Canada
7:45 amSEA
14h
YYZ · 2h
5:45 am+1LIS

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
8:09 amSEA
13h 26m
IAD · 1h 17m
5:35 am+1LIS

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Air France
4:05 pmSEA
15h 5m
CDG · 2h 35m
3:10 pm+1LIS

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

Delta Air Lines
11:45 amSEA
13h 10m
BOS · 1h 31m
8:55 am+1LIS

One-way total · 1 adult · Taxes included

Fri, Nov 20 · One way

United Airlines
6:30 amSEA
14h 55m
EWR · 2h 58m
5:25 am+1LIS

One-way total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ LIS

Economy

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

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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 wayFIFI680 + FI954$465.502026-10-29T01:15:30Z
2026-11-20 · one wayAir CanadaAC540 + TP258$617.502026-10-29T01:15:30Z
2026-11-20 · one wayUnited AirlinesUA1348 + TP232$646.002026-10-29T01:15:30Z
2026-11-20 · one wayAir FranceAF77 + AF1624$674.502026-10-29T01:15:30Z
2026-11-20 · one wayDelta Air LinesDL438 + DL124$684.002026-10-29T01:15:30Z
2026-11-20 → 2026-11-23FI / LufthansaFI680 + FI954 / LH1173 + LH490$817.002026-10-29T01:15:30Z
2026-11-20 → 2026-11-23Air CanadaAC540 + TP258 / AC811 + AC543$883.502026-10-29T01:15:30Z
2026-11-20 → 2026-11-23United AirlinesUA1900 + TP202 / UA943 + UA1128$921.502026-10-29T01:15:30Z
2026-11-20 → 2026-11-23Delta Air Lines / LufthansaDL438 + DL124 / LH1173 + LH490$954.752026-10-29T01:15:30Z
2026-11-20 → 2026-11-23Air FranceAF77 + AF1624 / AF1125 + AF76$959.502026-10-29T01:15:30Z
2026-11-27 → 2026-12-04FI / LufthansaFI680 + FI954 / LH1173 + LH490$841.502026-10-29T01:15:30Z
2026-11-20 · one wayUnited AirlinesUA1900 + TP202$646.002026-10-29T01:15:30Z
2026-11-27 → 2026-12-04Air CanadaAC540 + TP258 / AC811 + AC543$906.752026-10-29T01:15:30Z
2026-11-20 → 2026-11-23United AirlinesUA1348 + TP232 / UA943 + UA1128$921.502026-10-29T01:15:30Z
2026-11-27 → 2026-12-04United AirlinesUA1348 + TP232 / UA943 + UA1128$945.752026-10-29T01:15:30Z
2026-11-27 → 2026-12-04United AirlinesUA1900 + TP202 / UA943 + UA1128$945.752026-10-29T01:15:30Z
2026-11-27 → 2026-12-04Delta Air Lines / LufthansaDL438 + DL124 / LH1173 + LH490$979.252026-10-29T01:15:30Z
2026-11-27 → 2026-12-04Air FranceAF77 + AF1624 / AF1125 + AF76$984.752026-10-29T01:15:30Z

2026-11-20 · one way · $465.50

  • FI FI680 / FI954: SEA 2026-11-20 14:35:00 → LIS 2026-11-21 12:50:00; 1 stop(s) via KEF; 855 minutes. Local airport times.
    • FI680: SEA 2026-11-20 14:35:00 → KEF 2026-11-21 06:15:00; layover at KEF: 135 minutes.
    • FI954: KEF 2026-11-21 08:30:00 → LIS 2026-11-21 12:50:00.

2026-11-20 · one way · $617.50

  • Air Canada AC540 / TP258: SEA 2026-11-20 07:45:00 → LIS 2026-11-21 05:45:00; 1 stop(s) via YYZ; 840 minutes. Local airport times.
    • AC540: SEA 2026-11-20 07:45:00 → YYZ 2026-11-20 15:25:00; layover at YYZ: 120 minutes.
    • TP258: YYZ 2026-11-20 17:25:00 → LIS 2026-11-21 05:45:00.

2026-11-20 · one way · $646.00

  • United Airlines UA1348 / TP232: SEA 2026-11-20 08:09:00 → LIS 2026-11-21 05:35:00; 1 stop(s) via IAD; 806 minutes. Local airport times.
    • UA1348: SEA 2026-11-20 08:09:00 → IAD 2026-11-20 16:08:00; layover at IAD: 77 minutes.
    • TP232: IAD 2026-11-20 17:25:00 → LIS 2026-11-21 05:35:00.

2026-11-20 · one way · $674.50

  • Air France AF77 / AF1624: SEA 2026-11-20 16:05:00 → LIS 2026-11-21 15:10:00; 1 stop(s) via CDG; 905 minutes. Local airport times.
    • AF77: SEA 2026-11-20 16:05:00 → CDG 2026-11-21 10:50:00; layover at CDG: 155 minutes.
    • AF1624: CDG 2026-11-21 13:25:00 → LIS 2026-11-21 15:10:00.

2026-11-20 · one way · $684.00

  • Delta Air Lines DL438 / DL124: SEA 2026-11-20 11:45:00 → LIS 2026-11-21 08:55:00; 1 stop(s) via BOS; 790 minutes. Local airport times.
    • DL438: SEA 2026-11-20 11:45:00 → BOS 2026-11-20 19:59:00; layover at BOS: 91 minutes.
    • DL124: BOS 2026-11-20 21:30:00 → LIS 2026-11-21 08:55:00.

2026-11-20 → 2026-11-23 · $817.00

  • FI FI680 / FI954: SEA 2026-11-20 14:35:00 → LIS 2026-11-21 12:50:00; 1 stop(s) via KEF; 855 minutes. Local airport times.
    • FI680: SEA 2026-11-20 14:35:00 → KEF 2026-11-21 06:15:00; layover at KEF: 135 minutes.
    • FI954: KEF 2026-11-21 08:30:00 → LIS 2026-11-21 12:50:00.
  • Lufthansa LH1173 / LH490: LIS 2026-11-23 05:00:00 → SEA 2026-11-23 12:00:00; 1 stop(s) via FRA; 900 minutes. Local airport times.
    • LH1173: LIS 2026-11-23 05:00:00 → FRA 2026-11-23 09:00:00; layover at FRA: 80 minutes.
    • LH490: FRA 2026-11-23 10:20:00 → SEA 2026-11-23 12:00:00.

2026-11-20 → 2026-11-23 · $883.50

  • Air Canada AC540 / TP258: SEA 2026-11-20 07:45:00 → LIS 2026-11-21 05:45:00; 1 stop(s) via YYZ; 840 minutes. Local airport times.
    • AC540: SEA 2026-11-20 07:45:00 → YYZ 2026-11-20 15:25:00; layover at YYZ: 120 minutes.
    • TP258: YYZ 2026-11-20 17:25:00 → LIS 2026-11-21 05:45:00.
  • Air Canada AC811 / AC543: LIS 2026-11-23 11:20:00 → SEA 2026-11-23 20:59:00; 1 stop(s) via YYZ; 1059 minutes. Local airport times.
    • AC811: LIS 2026-11-23 11:20:00 → YYZ 2026-11-23 14:45:00; layover at YYZ: 220 minutes.
    • AC543: YYZ 2026-11-23 18:25:00 → SEA 2026-11-23 20:59:00.

2026-11-20 → 2026-11-23 · $921.50

  • United Airlines UA1900 / TP202: SEA 2026-11-20 06:30:00 → LIS 2026-11-21 05:25:00; 1 stop(s) via EWR; 895 minutes. Local airport times.
    • UA1900: SEA 2026-11-20 06:30:00 → EWR 2026-11-20 14:42:00; layover at EWR: 178 minutes.
    • TP202: EWR 2026-11-20 17:40:00 → LIS 2026-11-21 05:25:00.
  • United Airlines UA943 / UA1128: LIS 2026-11-23 12:20:00 → SEA 2026-11-23 21:01:00; 1 stop(s) via IAD; 1001 minutes. Local airport times.
    • UA943: LIS 2026-11-23 12:20:00 → IAD 2026-11-23 15:40:00; layover at IAD: 135 minutes.
    • UA1128: IAD 2026-11-23 17:55:00 → SEA 2026-11-23 21:01:00.

2026-11-20 → 2026-11-23 · $954.75

  • Delta Air Lines DL438 / DL124: SEA 2026-11-20 11:45:00 → LIS 2026-11-21 08:55:00; 1 stop(s) via BOS; 790 minutes. Local airport times.
    • DL438: SEA 2026-11-20 11:45:00 → BOS 2026-11-20 19:59:00; layover at BOS: 91 minutes.
    • DL124: BOS 2026-11-20 21:30:00 → LIS 2026-11-21 08:55:00.
  • Lufthansa LH1173 / LH490: LIS 2026-11-23 05:00:00 → SEA 2026-11-23 12:00:00; 1 stop(s) via FRA; 900 minutes. Local airport times.
    • LH1173: LIS 2026-11-23 05:00:00 → FRA 2026-11-23 09:00:00; layover at FRA: 80 minutes.
    • LH490: FRA 2026-11-23 10:20:00 → SEA 2026-11-23 12:00:00.

2026-11-20 → 2026-11-23 · $959.50

  • Air France AF77 / AF1624: SEA 2026-11-20 16:05:00 → LIS 2026-11-21 15:10:00; 1 stop(s) via CDG; 905 minutes. Local airport times.
    • AF77: SEA 2026-11-20 16:05:00 → CDG 2026-11-21 10:50:00; layover at CDG: 155 minutes.
    • AF1624: CDG 2026-11-21 13:25:00 → LIS 2026-11-21 15:10:00.
  • Air France AF1125 / AF76: LIS 2026-11-23 05:30:00 → SEA 2026-11-23 13:50:00; 1 stop(s) via CDG; 980 minutes. Local airport times.
    • AF1125: LIS 2026-11-23 05:30:00 → CDG 2026-11-23 09:10:00; layover at CDG: 195 minutes.
    • AF76: CDG 2026-11-23 12:25:00 → SEA 2026-11-23 13:50:00.

2026-11-27 → 2026-12-04 · $841.50

  • FI FI680 / FI954: SEA 2026-11-27 14:35:00 → LIS 2026-11-28 12:50:00; 1 stop(s) via KEF; 855 minutes. Local airport times.
    • FI680: SEA 2026-11-27 14:35:00 → KEF 2026-11-28 06:15:00; layover at KEF: 135 minutes.
    • FI954: KEF 2026-11-28 08:30:00 → LIS 2026-11-28 12:50:00.
  • Lufthansa LH1173 / LH490: LIS 2026-12-04 05:00:00 → SEA 2026-12-04 12:00:00; 1 stop(s) via FRA; 900 minutes. Local airport times.
    • LH1173: LIS 2026-12-04 05:00:00 → FRA 2026-12-04 09:00:00; layover at FRA: 80 minutes.
    • LH490: FRA 2026-12-04 10:20:00 → SEA 2026-12-04 12:00:00.

2026-11-20 · one way · $646.00

  • United Airlines UA1900 / TP202: SEA 2026-11-20 06:30:00 → LIS 2026-11-21 05:25:00; 1 stop(s) via EWR; 895 minutes. Local airport times.
    • UA1900: SEA 2026-11-20 06:30:00 → EWR 2026-11-20 14:42:00; layover at EWR: 178 minutes.
    • TP202: EWR 2026-11-20 17:40:00 → LIS 2026-11-21 05:25:00.

2026-11-27 → 2026-12-04 · $906.75

  • Air Canada AC540 / TP258: SEA 2026-11-27 07:45:00 → LIS 2026-11-28 05:45:00; 1 stop(s) via YYZ; 840 minutes. Local airport times.
    • AC540: SEA 2026-11-27 07:45:00 → YYZ 2026-11-27 15:25:00; layover at YYZ: 120 minutes.
    • TP258: YYZ 2026-11-27 17:25:00 → LIS 2026-11-28 05:45:00.
  • Air Canada AC811 / AC543: LIS 2026-12-04 11:20:00 → SEA 2026-12-04 20:59:00; 1 stop(s) via YYZ; 1059 minutes. Local airport times.
    • AC811: LIS 2026-12-04 11:20:00 → YYZ 2026-12-04 14:45:00; layover at YYZ: 220 minutes.
    • AC543: YYZ 2026-12-04 18:25:00 → SEA 2026-12-04 20:59:00.

2026-11-20 → 2026-11-23 · $921.50

  • United Airlines UA1348 / TP232: SEA 2026-11-20 08:09:00 → LIS 2026-11-21 05:35:00; 1 stop(s) via IAD; 806 minutes. Local airport times.
    • UA1348: SEA 2026-11-20 08:09:00 → IAD 2026-11-20 16:08:00; layover at IAD: 77 minutes.
    • TP232: IAD 2026-11-20 17:25:00 → LIS 2026-11-21 05:35:00.
  • United Airlines UA943 / UA1128: LIS 2026-11-23 12:20:00 → SEA 2026-11-23 21:01:00; 1 stop(s) via IAD; 1001 minutes. Local airport times.
    • UA943: LIS 2026-11-23 12:20:00 → IAD 2026-11-23 15:40:00; layover at IAD: 135 minutes.
    • UA1128: IAD 2026-11-23 17:55:00 → SEA 2026-11-23 21:01:00.

2026-11-27 → 2026-12-04 · $945.75

  • United Airlines UA1348 / TP232: SEA 2026-11-27 08:09:00 → LIS 2026-11-28 05:35:00; 1 stop(s) via IAD; 806 minutes. Local airport times.
    • UA1348: SEA 2026-11-27 08:09:00 → IAD 2026-11-27 16:08:00; layover at IAD: 77 minutes.
    • TP232: IAD 2026-11-27 17:25:00 → LIS 2026-11-28 05:35:00.
  • United Airlines UA943 / UA1128: LIS 2026-12-04 12:20:00 → SEA 2026-12-04 21:01:00; 1 stop(s) via IAD; 1001 minutes. Local airport times.
    • UA943: LIS 2026-12-04 12:20:00 → IAD 2026-12-04 15:40:00; layover at IAD: 135 minutes.
    • UA1128: IAD 2026-12-04 17:55:00 → SEA 2026-12-04 21:01:00.

2026-11-27 → 2026-12-04 · $945.75

  • United Airlines UA1900 / TP202: SEA 2026-11-27 06:30:00 → LIS 2026-11-28 05:25:00; 1 stop(s) via EWR; 895 minutes. Local airport times.
    • UA1900: SEA 2026-11-27 06:30:00 → EWR 2026-11-27 14:42:00; layover at EWR: 178 minutes.
    • TP202: EWR 2026-11-27 17:40:00 → LIS 2026-11-28 05:25:00.
  • United Airlines UA943 / UA1128: LIS 2026-12-04 12:20:00 → SEA 2026-12-04 21:01:00; 1 stop(s) via IAD; 1001 minutes. Local airport times.
    • UA943: LIS 2026-12-04 12:20:00 → IAD 2026-12-04 15:40:00; layover at IAD: 135 minutes.
    • UA1128: IAD 2026-12-04 17:55:00 → SEA 2026-12-04 21:01:00.

2026-11-27 → 2026-12-04 · $979.25

  • Delta Air Lines DL438 / DL124: SEA 2026-11-27 11:45:00 → LIS 2026-11-28 08:55:00; 1 stop(s) via BOS; 790 minutes. Local airport times.
    • DL438: SEA 2026-11-27 11:45:00 → BOS 2026-11-27 19:59:00; layover at BOS: 91 minutes.
    • DL124: BOS 2026-11-27 21:30:00 → LIS 2026-11-28 08:55:00.
  • Lufthansa LH1173 / LH490: LIS 2026-12-04 05:00:00 → SEA 2026-12-04 12:00:00; 1 stop(s) via FRA; 900 minutes. Local airport times.
    • LH1173: LIS 2026-12-04 05:00:00 → FRA 2026-12-04 09:00:00; layover at FRA: 80 minutes.
    • LH490: FRA 2026-12-04 10:20:00 → SEA 2026-12-04 12:00:00.

2026-11-27 → 2026-12-04 · $984.75

  • Air France AF77 / AF1624: SEA 2026-11-27 16:05:00 → LIS 2026-11-28 15:10:00; 1 stop(s) via CDG; 905 minutes. Local airport times.
    • AF77: SEA 2026-11-27 16:05:00 → CDG 2026-11-28 10:50:00; layover at CDG: 155 minutes.
    • AF1624: CDG 2026-11-28 13:25:00 → LIS 2026-11-28 15:10:00.
  • Air France AF1125 / AF76: LIS 2026-12-04 05:30:00 → SEA 2026-12-04 13:50:00; 1 stop(s) via CDG; 980 minutes. Local airport times.
    • AF1125: LIS 2026-12-04 05:30:00 → CDG 2026-12-04 09:10:00; layover at CDG: 195 minutes.
    • AF76: CDG 2026-12-04 12:25:00 → SEA 2026-12-04 13:50:00.

More dates for this route