Travel with Axel,
get the best price.

San Francisco → Lisbon

Dec 13, 2026 · return Jan 10, 2027

SFO → LIS1 adulteconomyRound trip

7 flight options · 3 airlines

Nonstop flights

Sun, Dec 13 – Sun, Jan 10

TAP Air Portugal
4:35 pmSFO
10h 55m
Nonstop
11:30 am+1LIS
TAP Air Portugal
9:40 amLIS
12h 45m
Nonstop
2:25 pmSFO

Round-trip total · 1 adult · Taxes included

One-stop flights

Sun, Dec 13 – Sun, Jan 10

Air Canada
8:25 amSFO
14h 30m
YUL · 2h 29m
6:55 am+1LIS
Air Canada
11:20 amLIS
16h 43m
YYZ · 2h 25m
8:03 pmSFO

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Jan 10

United Airlines
7:00 amSFO
14h 55m
MIA · 1h 19m
5:55 am+1LIS
United Airlines
12:20 pmLIS
16h 19m
IAD · 2h
8:39 pmSFO

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Jan 10

United Airlines
12:45 pmSFO
13h 20m
IAD · 1h 24m
10:05 am+1LIS
United Airlines
12:20 pmLIS
16h 19m
IAD · 2h
8:39 pmSFO

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Jan 10

United Airlines
8:10 amSFO
13h 35m
YYZ · 1h 17m
5:45 am+1LIS
United Airlines
12:20 pmLIS
16h 19m
IAD · 2h
8:39 pmSFO

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Jan 10

United Airlines
1:59 pmSFO
14h 21m
LAX · 1h 35m
12:20 pm+1LIS
United Airlines
12:20 pmLIS
16h 19m
IAD · 2h
8:39 pmSFO

Round-trip total · 1 adult · Taxes included

Sun, Dec 13 – Sun, Jan 10

United Airlines
10:05 amSFO
14h 5m
EWR · 1h 58m
8:10 am+1LIS
United Airlines
12:20 pmLIS
16h 19m
IAD · 2h
8:39 pmSFO

Round-trip total · 1 adult · Taxes included

Make this trip yours

SFO ⇄ LIS

Economy

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

No account needed to see prices.

Already have an account? Log in

Why book with Axel
  • A real airline bookingThe booking is in the airline’s own system under your name. After you book, TAP Air Portugal 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.
  • Not satisfied? Full refund.If you are unhappy with the experience for any reason, or simply change your mind, cancel within 24 hours of booking (departure 7+ days away) and we refund you in full. We stand by our product. 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

All dates for this routeNov 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)
2026-12-13 → 2027-01-10TAP Air PortugalTP238 / TP237$799.502026-10-29T02:07:03Z
2026-12-13 → 2027-01-10Air CanadaAC756 + AC812 / AC811 + UA2462$780.002026-10-29T02:07:03Z
2026-12-13 → 2027-01-10United AirlinesUA2738 + TP224 / UA943 + UA1757$858.002026-10-29T02:07:03Z
2026-12-13 → 2027-01-10United AirlinesUA755 + UA942 / UA943 + UA1757$858.002026-10-29T02:07:03Z
2026-12-13 → 2027-01-10United AirlinesUA608 + TP258 / UA943 + UA1757$858.002026-10-29T02:07:03Z
2026-12-13 → 2027-01-10United AirlinesUA2610 + TP248 / UA943 + UA1757$858.002026-10-29T02:07:03Z
2026-12-13 → 2027-01-10United AirlinesUA1909 + UA64 / UA943 + UA1757$858.002026-10-29T02:07:03Z

2026-12-13 → 2027-01-10 · $799.50

  • TAP Air Portugal TP238: SFO 2026-12-13 16:35:00 → LIS 2026-12-14 11:30:00; nonstop; 655 minutes. Local airport times.
  • TAP Air Portugal TP237: LIS 2027-01-10 09:40:00 → SFO 2027-01-10 14:25:00; nonstop; 765 minutes. Local airport times.

2026-12-13 → 2027-01-10 · $780.00

  • Air Canada AC756 / AC812: SFO 2026-12-13 08:25:00 → LIS 2026-12-14 06:55:00; 1 stop(s) via YUL; 870 minutes. Local airport times.
    • AC756: SFO 2026-12-13 08:25:00 → YUL 2026-12-13 16:46:00; layover at YUL: 149 minutes.
    • AC812: YUL 2026-12-13 19:15:00 → LIS 2026-12-14 06:55:00.
  • Air Canada AC811 / UA2462: LIS 2027-01-10 11:20:00 → SFO 2027-01-10 20:03:00; 1 stop(s) via YYZ; 1003 minutes. Local airport times.
    • AC811: LIS 2027-01-10 11:20:00 → YYZ 2027-01-10 14:45:00; layover at YYZ: 145 minutes.
    • UA2462: YYZ 2027-01-10 17:10:00 → SFO 2027-01-10 20:03:00.

2026-12-13 → 2027-01-10 · $858.00

  • United Airlines UA2738 / TP224: SFO 2026-12-13 07:00:00 → LIS 2026-12-14 05:55:00; 1 stop(s) via MIA; 895 minutes. Local airport times.
    • UA2738: SFO 2026-12-13 07:00:00 → MIA 2026-12-13 15:26:00; layover at MIA: 79 minutes.
    • TP224: MIA 2026-12-13 16:45:00 → LIS 2026-12-14 05:55:00.
  • United Airlines UA943 / UA1757: LIS 2027-01-10 12:20:00 → SFO 2027-01-10 20:39:00; 1 stop(s) via IAD; 979 minutes. Local airport times.
    • UA943: LIS 2027-01-10 12:20:00 → IAD 2027-01-10 15:40:00; layover at IAD: 120 minutes.
    • UA1757: IAD 2027-01-10 17:40:00 → SFO 2027-01-10 20:39:00.

2026-12-13 → 2027-01-10 · $858.00

  • United Airlines UA755 / UA942: SFO 2026-12-13 12:45:00 → LIS 2026-12-14 10:05:00; 1 stop(s) via IAD; 800 minutes. Local airport times.
    • UA755: SFO 2026-12-13 12:45:00 → IAD 2026-12-13 20:51:00; layover at IAD: 84 minutes.
    • UA942: IAD 2026-12-13 22:15:00 → LIS 2026-12-14 10:05:00.
  • United Airlines UA943 / UA1757: LIS 2027-01-10 12:20:00 → SFO 2027-01-10 20:39:00; 1 stop(s) via IAD; 979 minutes. Local airport times.
    • UA943: LIS 2027-01-10 12:20:00 → IAD 2027-01-10 15:40:00; layover at IAD: 120 minutes.
    • UA1757: IAD 2027-01-10 17:40:00 → SFO 2027-01-10 20:39:00.

2026-12-13 → 2027-01-10 · $858.00

  • United Airlines UA608 / TP258: SFO 2026-12-13 08:10:00 → LIS 2026-12-14 05:45:00; 1 stop(s) via YYZ; 815 minutes. Local airport times.
    • UA608: SFO 2026-12-13 08:10:00 → YYZ 2026-12-13 16:08:00; layover at YYZ: 77 minutes.
    • TP258: YYZ 2026-12-13 17:25:00 → LIS 2026-12-14 05:45:00.
  • United Airlines UA943 / UA1757: LIS 2027-01-10 12:20:00 → SFO 2027-01-10 20:39:00; 1 stop(s) via IAD; 979 minutes. Local airport times.
    • UA943: LIS 2027-01-10 12:20:00 → IAD 2027-01-10 15:40:00; layover at IAD: 120 minutes.
    • UA1757: IAD 2027-01-10 17:40:00 → SFO 2027-01-10 20:39:00.

2026-12-13 → 2027-01-10 · $858.00

  • United Airlines UA2610 / TP248: SFO 2026-12-13 13:59:00 → LIS 2026-12-14 12:20:00; 1 stop(s) via LAX; 861 minutes. Local airport times.
    • UA2610: SFO 2026-12-13 13:59:00 → LAX 2026-12-13 15:35:00; layover at LAX: 95 minutes.
    • TP248: LAX 2026-12-13 17:10:00 → LIS 2026-12-14 12:20:00.
  • United Airlines UA943 / UA1757: LIS 2027-01-10 12:20:00 → SFO 2027-01-10 20:39:00; 1 stop(s) via IAD; 979 minutes. Local airport times.
    • UA943: LIS 2027-01-10 12:20:00 → IAD 2027-01-10 15:40:00; layover at IAD: 120 minutes.
    • UA1757: IAD 2027-01-10 17:40:00 → SFO 2027-01-10 20:39:00.

2026-12-13 → 2027-01-10 · $858.00

  • United Airlines UA1909 / UA64: SFO 2026-12-13 10:05:00 → LIS 2026-12-14 08:10:00; 1 stop(s) via EWR; 845 minutes. Local airport times.
    • UA1909: SFO 2026-12-13 10:05:00 → EWR 2026-12-13 18:27:00; layover at EWR: 118 minutes.
    • UA64: EWR 2026-12-13 20:25:00 → LIS 2026-12-14 08:10:00.
  • United Airlines UA943 / UA1757: LIS 2027-01-10 12:20:00 → SFO 2027-01-10 20:39:00; 1 stop(s) via IAD; 979 minutes. Local airport times.
    • UA943: LIS 2027-01-10 12:20:00 → IAD 2027-01-10 15:40:00; layover at IAD: 120 minutes.
    • UA1757: IAD 2027-01-10 17:40:00 → SFO 2027-01-10 20:39:00.

More dates for this route