United Flight LH181 Deals & Information (2025/2026)

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Frequently asked questions

What route does flight number UA181 take?
Flight number UA181 takes 10 hours and 2 minutes to jet directly from Frankfurt Intl. Airport (FRA) to Denver, CO Airport (DEN-Denver Intl.). Sure, there’s magic in the destination, but the journey is always half the fun!
What terminal does UA181 fly out of?
You’ll likely be boarding the plane from Terminal 1 if you’re traveling on flight UA181 direct from FRA to Denver, CO Airport (DEN-Denver Intl.).
What kind of plane is on flight number UA181?
There’s a strong chance you’ll find yourself on the Boeing 787-9 if you’re traveling on flight number UA181. Typically, this flight jets off from Frankfurt Intl. Airport (FRA) and arrives at Denver, CO Airport (DEN-Denver Intl.).
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your UA181 flight with Travelocity, please visit our Customer Service Portal.