international · 13h 25m · 10,272 km

Singapore to Frankfurt

2 airlines · 3 aircraft ranked

In business class, Singapore's Business Class (A350-900) edges out the field with a 7.9/10.In premium economy, Singapore's Premium Economy (777-300ER) edges out the field with a 5.5/10.

How we score → Last updated June 2026

Quick pick

Best business class:close call

Fly Singapore. It has a wider seat (28" vs 21") and free Wi-Fi (paid on Lufthansa).

If fares are comparable, this is the better cabin.

Best premium economy:close call

Fly Singapore. It has a wider seat (19.5" vs 18.5").

If fares are comparable, this is the better cabin.

Best economy:strong pick

Fly Singapore. It has free Wi-Fi (paid on Singapore).

If prices are similar, go with this one.

Best first class:close call

Fly Lufthansa. It has 4 more inches of legroom and a door for privacy.

If fares are comparable, this is the better cabin.

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1
Business ClassSingapore · Airbus A350-900 · 2018 cabinBest on route
Lie-flat · 1-2-1 · 50" pitchVery reliablePremium farePoints: Chase UR, Amex MR, Capital One, Citi TYP
Wider seat + Free Wi-Fi + Dine on demand
7.9
Very good
Seat 7.6·Amenity 8.3
2
Allegris BusinessLufthansa · Airbus A350-900 · 2024 cabin
Lie-flat · 1-2-1 · 60" pitch · Paid Wi-FiAvg. reliability
Longer bed + Mattress pad
7.7
Very good
Seat 7.6·Amenity 7.9
3
Business ClassSingapore · Boeing 777-300ER · 2013 cabin
Lie-flat · 1-2-1 · 60" pitchVery reliablePremium farePoints: Chase UR, Amex MR, Capital One, Citi TYP
7.6
Very good
Seat 7.4·Amenity 7.9

Select two airlines to compare head-to-head

You might get a different plane on Singapore: A350-900 (7.9) vs 777-300ER (7.6). The A350-900 edges out the 777-300ER, but both are solid.

Data verified June 2026

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Airlines on this route

Route insights

  • In business class, Singapore's Business Class (A350-900) edges out the field with a 7.9/10.
  • In premium economy, Singapore's Premium Economy (777-300ER) edges out the field with a 5.5/10.
  • In economy, Singapore's Economy (A350-900) leads the field with a 5.4/10.
  • In first class, Lufthansa's Allegris First Suite (A350-900) edges out the field with a 8.5/10.

Frequently asked

Which is better in first: Singapore or Lufthansa on SIN-FRA?

Allegris First Suite (Lufthansa, A350-900) edges out First Class (Singapore Airlines, 777-300ER) in first, scoring 8.5/10 vs 8.1. The deciding factor: a closed suite door vs an open cabin. Singapore Airlines fights back on seat width and wi-fi.

Which is better in business: Singapore or Lufthansa on SIN-FRA?

Business Class (Singapore Airlines, 777-300ER) and Allegris Business (Lufthansa, A350-900) score virtually the same in business: 7.6 vs 7.7/10. The biggest gap is bed length — a 86"-long bed vs 78" — but neither carrier pulls ahead overall.

Which is better in premium economy: Singapore or Lufthansa on SIN-FRA?

Premium Economy (Singapore Airlines, 777-300ER) and Allegris Premium Economy (Lufthansa, A350-900) score virtually the same in premium economy: 5.5 vs 5.4/10. The biggest gap is seat width — 19.5"-wide seats vs 18" — but neither carrier pulls ahead overall.

Which is better in economy: Singapore or Lufthansa on SIN-FRA?

Economy (Singapore Airlines, 777-300ER) and Allegris Economy (Lufthansa, A350-900) score virtually the same in economy: 4.8 vs 4.7/10. The biggest gap is legroom — 32" of pitch vs 31" — but neither carrier pulls ahead overall.

What are the best seats in Singapore First Class on SIN-FRA?

Best: Only 4 suites so all are excellent. Window suites 1A and 1F for maximum privacy. Avoid: Center pair 1D/1F slightly less private but works well for couples. 4 First Class open suites with 24-inch IFE screens. Book the Cook allows pre-ordering meals. 35-inch seat width is among the widest in the industry. Complimentary WiFi for First passengers.

What are the best seats in Singapore Business Class on SIN-FRA?

Best: Bulkhead row seats offer extra legroom. Window seats for maximum privacy. Avoid: Center pairs near galley partitions get more traffic noise. 48 seats in 1-2-1 staggered layout. 28-inch width is among the widest business class seats anywhere. The seat back flips forward to create the flat bed. Book the Cook available. Complimentary WiFi. KrisWorld IFE with 18-inch screen.

What are the best seats in Singapore Premium Economy on SIN-FRA?

Best: Window pairs for privacy. Front row for extra legroom. Avoid: Center block (4-abreast) is cramped. Last row limited recline. 28-seat premium economy. Same noise-cancelling headphones as business class. 13.3-inch IFE screen.

What are the best seats in Singapore Economy on SIN-FRA?

Best: Front rows of economy for quieter cabin. Exit rows for legroom. Avoid: Last rows near lavatories and galley. 184 economy seats in 9-abreast 3-3-3. 11.1-inch KrisWorld IFE. Shared USB power between seats.

What are the best seats in Singapore Business Class on SIN-FRA?

Best: Bulkhead seats 11K (forward starboard), 10A (forward port), 19A, and 19K have much larger footwells, making sitting and sleeping far more comfortable. These should be first choice, especially for passengers over 6 feet. Secondary picks: center bulkhead seats 11D/11F and 19D/19F for their oversized footrests. Quiet mid-cabin picks: 14A, 14K. Avoid: Any center seat one row behind a bulkhead (12D/12F, 20D/20F) for light and noise bleed from galleys. Last row of each cabin section (18D/18F, 29A/29K). Seat 17D/17F is between two storage cupboards with toilets immediately behind. Non-bulkhead footwells are small and can be uncomfortable for tall passengers. Standard 3-class A350-900 with 42 business seats in staggered 1-2-1. The seat is the Stelia Opal, originally introduced on the 777-300ER but slightly narrower on the A350 fuselage. 18-inch HD LCD screen with Panasonic eX3 IFE. WiFi is complimentary and unlimited for business class. Le Labo amenity kit on request. Slippers, socks, eyeshade, pillow, and duvet provided. Power includes AC outlet, USB-A, and USB-C.

What are the best seats in Singapore Premium Economy on SIN-FRA?

Best: Solo seats at window positions in the rear 1-4-1 rows (41-43) have their own storage bins and extra personal space between the seat and the window. Emergency exit window seats 31A and 31K are dark-horse picks with excellent legroom and no proximity to the exit slide. Unblocked solo seats become available for selection 48 hours before departure. Avoid: 43F and 43G are the worst seats in the cabin. Seats near 42H catch bathroom vacuum noise. Center seats throughout (D, E, F, G) in the 2-4-2 section. Standard 3-class A350-900 with 24 premium economy seats. Layout transitions from 2-4-2 (rows 31-40) to 1-4-1 (rows 41-43) with desirable solo window seats at the back. 13.3-inch seatback IFE. 38-inch pitch with 18.5-inch width. Footrest, adjustable headrest, and in-seat power (AC and USB). Amenity kit on request. Complimentary enhanced meal service. WiFi is paid for premium economy.

What are the best seats in Lufthansa Allegris First Suite on SIN-FRA?

Best: Suite Plus (1D/1E center) converts to a double bed — the widest in any airline first class at roughly 47 inches. Window suites 1A and 1K offer solo privacy. Avoid: With only 3 suites (4 seats), availability is extremely limited. Book early. 3 suites total: 2 window (32-inch screens) and 1 center "Suite Plus" double (43-inch 4K screen). Sliding privacy doors on all. Wireless charging built into the suite. Only 4 seats in the entire first class cabin.

What are the best seats in Lufthansa Allegris Business on SIN-FRA?

Best: Bulkhead Suite seats in rows 2 and 8 have sliding doors and extra space — 8 of the 38 seats. "Extra Long Bed" variants offer up to 86 inches of bed length. Avoid: "Classic" seats in the center of each cabin section have less privacy than window positions. 38 staggered 1-2-1 seats across 5 sub-types: Suite (8 seats with doors), Extra Space, Privacy (window), Extra Long Bed, and Classic. 18-inch IFE standard, 24-inch on suites. 10-inch control tablet. AKG noise-canceling headphones. L'Occitane amenity kit. Wireless charging at every seat.

What are the best seats in Lufthansa Allegris Premium Economy on SIN-FRA?

Best: Window pairs offer the most privacy. Front row has bulkhead legroom. Avoid: Center block middle seat has no direct aisle access. 24 fixed-shell recliner seats. 15.6-inch IFE. Noise-canceling headphones included. Wireless charging in armrest. Part of the new Allegris cabin overhaul.

What are the best seats in Lufthansa Allegris Economy on SIN-FRA?

Best: Rows 19-20 and exit row 26 offer 34 inches of pitch. 9-abreast (3-3-3) is wider than 10-abreast on 777s. Avoid: Last rows near rear lavatories. Standard 31-inch pitch rows are tight for taller passengers. 201 Recaro economy seats in 9-abreast configuration — wider than typical 777 economy. Select front and exit rows offer 34-inch pitch. Part of the Allegris cabin overhaul.