Travel with Axel,
get the best price.

Seattle → Istanbul

Dec 21, 2026 · return Dec 27, 2026

SEA → IST1 adulteconomyRound trip

7 flight options · 6 airlines

Nonstop flights

Mon, Dec 21 – Sun, Dec 27

Turkish Airlines
7:05 pmSEA
12h
Nonstop
6:05 pm+1IST
Turkish Airlines
3:35 pmIST
12h 35m
Nonstop
5:10 pmSEA

Round-trip total · 1 adult · Taxes included

One-stop flights

Mon, Dec 21 – Sun, Dec 27

Lufthansa
1:50 pmSEA
15h 15m
FRA · 1h 55m
4:05 pm+1IST
Lufthansa
6:30 amIST
16h 30m
FRA · 2h 45m
12:00 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

Air France
4:05 pmSEA
14h 50m
CDG · 1h 35m
5:55 pm+1IST
Air France
7:15 amIST
17h 35m
CDG · 3h 25m
1:50 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

Air Canada
3:15 pmSEA
15h 45m
YVR · 2h 34m
6:00 pm+1IST
Turkish Airlines
3:35 pmIST
12h 35m
Nonstop
5:10 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

United Airlines
1:02 pmSEA
17h 13m
DEN · 2h 45m
5:15 pm+1IST
Turkish Airlines
3:35 pmIST
12h 35m
Nonstop
5:10 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

Delta Air Lines
3:25 pmSEA
15h 30m
CDG · 1h 45m
5:55 pm+1IST
Turkish Airlines
3:35 pmIST
12h 35m
Nonstop
5:10 pmSEA

Round-trip total · 1 adult · Taxes included

Mon, Dec 21 – Sun, Dec 27

Delta Air Lines
2:35 pmSEA
15h 20m
AMS · 2h 10m
4:55 pm+1IST
Turkish Airlines
3:35 pmIST
12h 35m
Nonstop
5:10 pmSEA

Round-trip total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ IST

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, Turkish 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.
  • 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)
2026-12-21 → 2026-12-27Turkish AirlinesTK204 / TK203$1500.602026-10-29T01:15:29Z
2026-12-21 → 2026-12-27LufthansaLH491 + TK1588 / LH1305 + LH490$1329.802026-10-29T01:15:29Z
2026-12-21 → 2026-12-27Air FranceAF77 + AF1390 / AF1391 + AF76$1366.402026-10-29T01:15:29Z
2026-12-21 → 2026-12-27Air Canada / Turkish AirlinesAC8807 + TK76 / TK203$1384.702026-10-29T01:15:29Z
2026-12-21 → 2026-12-27United Airlines / Turkish AirlinesUA1411 + TK202 / TK203$1421.302026-10-29T01:15:29Z
2026-12-21 → 2026-12-27Delta Air Lines / Turkish AirlinesDL80 + AF1390 / TK203$1451.802026-10-29T01:15:29Z
2026-12-21 → 2026-12-27Delta Air Lines / Turkish AirlinesDL142 + KL1959 / TK203$1451.802026-10-29T01:15:29Z

2026-12-21 → 2026-12-27 · $1500.60

  • Turkish Airlines TK204: SEA 2026-12-21 19:05:00 → IST 2026-12-22 18:05:00; nonstop; 720 minutes. Local airport times.
  • Turkish Airlines TK203: IST 2026-12-27 15:35:00 → SEA 2026-12-27 17:10:00; nonstop; 755 minutes. Local airport times.

2026-12-21 → 2026-12-27 · $1329.80

  • Lufthansa LH491 / TK1588: SEA 2026-12-21 13:50:00 → IST 2026-12-22 16:05:00; 1 stop(s) via FRA; 915 minutes. Local airport times.
    • LH491: SEA 2026-12-21 13:50:00 → FRA 2026-12-22 09:00:00; layover at FRA: 115 minutes.
    • TK1588: FRA 2026-12-22 10:55:00 → IST 2026-12-22 16:05:00.
  • Lufthansa LH1305 / LH490: IST 2026-12-27 06:30:00 → SEA 2026-12-27 12:00:00; 1 stop(s) via FRA; 990 minutes. Local airport times.
    • LH1305: IST 2026-12-27 06:30:00 → FRA 2026-12-27 07:35:00; layover at FRA: 165 minutes.
    • LH490: FRA 2026-12-27 10:20:00 → SEA 2026-12-27 12:00:00.

2026-12-21 → 2026-12-27 · $1366.40

  • Air France AF77 / AF1390: SEA 2026-12-21 16:05:00 → IST 2026-12-22 17:55:00; 1 stop(s) via CDG; 890 minutes. Local airport times.
    • AF77: SEA 2026-12-21 16:05:00 → CDG 2026-12-22 10:50:00; layover at CDG: 95 minutes.
    • AF1390: CDG 2026-12-22 12:25:00 → IST 2026-12-22 17:55:00.
  • Air France AF1391 / AF76: IST 2026-12-27 07:15:00 → SEA 2026-12-27 13:50:00; 1 stop(s) via CDG; 1055 minutes. Local airport times.
    • AF1391: IST 2026-12-27 07:15:00 → CDG 2026-12-27 09:00:00; layover at CDG: 205 minutes.
    • AF76: CDG 2026-12-27 12:25:00 → SEA 2026-12-27 13:50:00.

2026-12-21 → 2026-12-27 · $1384.70

  • Air Canada AC8807 / TK76: SEA 2026-12-21 15:15:00 → IST 2026-12-22 18:00:00; 1 stop(s) via YVR; 945 minutes. Local airport times.
    • AC8807: SEA 2026-12-21 15:15:00 → YVR 2026-12-21 17:26:00; layover at YVR: 154 minutes.
    • TK76: YVR 2026-12-21 20:00:00 → IST 2026-12-22 18:00:00.
  • Turkish Airlines TK203: IST 2026-12-27 15:35:00 → SEA 2026-12-27 17:10:00; nonstop; 755 minutes. Local airport times.

2026-12-21 → 2026-12-27 · $1421.30

  • United Airlines UA1411 / TK202: SEA 2026-12-21 13:02:00 → IST 2026-12-22 17:15:00; 1 stop(s) via DEN; 1033 minutes. Local airport times.
    • UA1411: SEA 2026-12-21 13:02:00 → DEN 2026-12-21 16:45:00; layover at DEN: 165 minutes.
    • TK202: DEN 2026-12-21 19:30:00 → IST 2026-12-22 17:15:00.
  • Turkish Airlines TK203: IST 2026-12-27 15:35:00 → SEA 2026-12-27 17:10:00; nonstop; 755 minutes. Local airport times.

2026-12-21 → 2026-12-27 · $1451.80

  • Delta Air Lines DL80 / AF1390: SEA 2026-12-21 15:25:00 → IST 2026-12-22 17:55:00; 1 stop(s) via CDG; 930 minutes. Local airport times.
    • DL80: SEA 2026-12-21 15:25:00 → CDG 2026-12-22 10:40:00; layover at CDG: 105 minutes.
    • AF1390: CDG 2026-12-22 12:25:00 → IST 2026-12-22 17:55:00.
  • Turkish Airlines TK203: IST 2026-12-27 15:35:00 → SEA 2026-12-27 17:10:00; nonstop; 755 minutes. Local airport times.

2026-12-21 → 2026-12-27 · $1451.80

  • Delta Air Lines DL142 / KL1959: SEA 2026-12-21 14:35:00 → IST 2026-12-22 16:55:00; 1 stop(s) via AMS; 920 minutes. Local airport times.
    • DL142: SEA 2026-12-21 14:35:00 → AMS 2026-12-22 09:25:00; layover at AMS: 130 minutes.
    • KL1959: AMS 2026-12-22 11:35:00 → IST 2026-12-22 16:55:00.
  • Turkish Airlines TK203: IST 2026-12-27 15:35:00 → SEA 2026-12-27 17:10:00; nonstop; 755 minutes. Local airport times.

More dates for this route