transatlantic · 9h 50m · 8,403 km
Houston to Frankfurt
2 airlines · 2 aircraft ranked
In business class, Lufthansa's Business Class (747-8) edges out the field with a 6.7/10.In premium economy, Lufthansa's Premium Economy (747-8) leads the field with a 5.3/10.
Quick pick
Fly Lufthansa. It has free Wi-Fi (paid on United).
If fares are comparable, this is the better cabin.
Fly Lufthansa. It has free Wi-Fi (paid on United).
If fares are comparable, this is the better cabin.
Fly Lufthansa. It has free Wi-Fi (paid on United).
If prices are similar, go with this one.
Select two airlines to compare head-to-head
Data verified June 2026
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Airlines on this route
Route insights
- In business class, Lufthansa's Business Class (747-8) edges out the field with a 6.7/10.
- In premium economy, Lufthansa's Premium Economy (747-8) leads the field with a 5.3/10.
- In economy, Lufthansa's Economy (747-8) leads the field with a 4.6/10.
Frequently asked
Which is better in business: Lufthansa or United on IAH-FRA?
Business Class (Lufthansa, 747-8) and Polaris (United Airlines, 777-200ER) score virtually the same in business: 6.7 vs 6.7/10. The biggest gap is power — AC + USB-C vs no power — but neither carrier pulls ahead overall.
Which is better in premium economy: Lufthansa or United on IAH-FRA?
Premium Economy (Lufthansa, 747-8) edges out Premium Plus (United Airlines, 777-200ER) in premium economy, scoring 5.3/10 vs 4.5. The deciding factor: AC + USB-C vs no power. United Airlines fights back on seat width.
Which is better in economy: Lufthansa or United on IAH-FRA?
Economy (Lufthansa, 747-8) edges out Economy (United Airlines, 777-200ER) in economy, scoring 4.6/10 vs 4. The deciding factor: Free Wi-Fi vs Paid Wi-Fi.
What are the best seats in Lufthansa Business Class on IAH-FRA?
Best: Upper deck (2-2 layout) is quieter and more intimate. Avoid: Window seats on lower deck lack direct aisle access in 2-2-2. Pre-Allegris: 2-2-2 lower deck (48 seats), 2-2 upper deck (32 seats). No direct aisle access from window. Only 1 of 19 aircraft has partial Allegris (lower deck only). Upper deck is still old product through 2027.
What are the best seats in Lufthansa Premium Economy on IAH-FRA?
Best: Window pairs for 2-across. Avoid: Center inner seats. 2-4-2 premium economy. Enhanced meals with alcohol.
What are the best seats in Lufthansa Economy on IAH-FRA?
Best: Upper deck economy rows for smaller, quieter cabin. Avoid: Last rows near lavatories. 3-4-3 lower deck, smaller upper deck section. Free wifi.
What are the best seats in United Polaris on IAH-FRA?
Best: Odd-row window seats (1A, 3A, 5A, etc.) are closest to the window with most privacy. Avoid: Even-row window seats are closer to the aisle. Staggered 1-2-1 Polaris seats with direct aisle access. 16-inch IFE. Saks Fifth Avenue bedding with optional mattress pad. Panasonic Ku-band wifi (paid). Different hard product from the 767-300ER Polaris.
What are the best seats in United Premium Plus on IAH-FRA?
Best: Window pairs for only 2 across. Avoid: Center section inner seats. 2-4-2 premium economy. 13.3-inch IFE. Enhanced plated meals with beer/wine/spirits.