How long is the flight from Denver to Frankfurt?

Non-stop flights on DEN → FRA are typically around 9.5 hours. Connecting itineraries add 3–8 hours depending on the hub and layover.

Which airlines fly from Denver to Frankfurt?

The main carriers on this route are Lufthansa, United. Codeshare and one-stop options add several more — the filter panel above shows every airline in the current fare set.

When is the cheapest time to fly from Denver to Frankfurt?

Historically the lowest fares land in February, March, November. Summer (mid-June through mid-August) and the Christmas / New Year window are always peak. Mid-week departures (Tuesday–Thursday) typically beat weekend prices by 10–20%.

How far ahead should I book Denver to Frankfurt?

Six to ten weeks ahead is the sweet spot for this route. Inside three weeks, fares tend to spike as airlines sell to last-minute business travellers. Award availability often opens 10–11 months out if you're booking on miles.

Can I book directly on destination.com?

The Book button on each fare opens the airline or OTA (Trip.com, Kiwi, Expedia, Booking, Priceline, etc.) that's actually selling that ticket. You complete payment there at the same price you saw here — we never add a markup.

DEN → FRA

Denver to Frankfurt flights.

Live cached fares on Denver (DEN) → Frankfurt (FRA), refreshed every 30 minutes. Non-stop and connecting itineraries side by side — compare airlines, times and stops, then book in one click.

Flying time
~9.5h non-stop
Airlines
Lufthansa, United
Cheapest months
February, March, November

Flex dates · cheapest nearby

Loading prices…

Read our best-time-to-book guide for DEN → FRA →Target price, booking window, weekday pattern.

See 30-day price history for DEN → FRA →Median fare, lows, and best-day patterns.

No cached fares for exactly 2026-10-22 → 2026-10-29. Showing recent fares on DEN → FRA — pick a different date in the calendar above or run a live search.

Denver → Frankfurt · 4 fares12-month low · $1125

Cached from Travelpayouts · filter & sort below

Points

Showing 4 of 4 results

Alt date · 4 weeks earlier
Frontier · F9 3312
Long · 42h 22m⚠ Bag + seat fees extra
OutboundDEN → HHNFri, Sep 25 · 4:30 PM· 13h 37m· 2 stops
ReturnHHN ← DENSun, Oct 11 · 6:00 AM· 13h 17m· 2 stops
$1,165
total round-trip
Live search your date →
Alt date · 4 weeks earlier
Frontier · F9 2520
Long · 58h 19m⚠ Bag + seat fees extra
OutboundDEN → FRASat, Sep 26 · 1:12 AM· 13h 53m· 2 stops
ReturnFRA ← DENWed, Oct 14 · 4:15 PM· 15h 23m· 2 stops
$1,125
total round-trip
Live search your date →
Alt date · 3 weeks earlier
Turkish Airlines · TK 202
Long · 52h 45m
OutboundDEN → FRAFri, Oct 2 · 2:30 AM· 14h 45m· 1 stop
ReturnFRA ← DENSat, Oct 10 · 4:50 AM· 15h 40m· 1 stop
$1,219
total round-trip
Live search your date →
Alt date · 4 weeks earlier
Frontier · F9 4186
Long · 58h 24m⚠ Bag + seat fees extra
OutboundDEN → FRASat, Sep 26 · 1:12 AM· 11h 48m· 2 stops
ReturnFRA ← DENSun, Oct 4 · 12:30 PM· 13h 51m· 2 stops
$1,323
total round-trip
Live search your date →

About Denver → Frankfurt

United / Lufthansa Star hub-to-hub, daily. Only non-stop option from the Mountain West to Europe.

Typical non-stop flying time is around 9.5 hours. Major carriers on this route include Lufthansa, United. Fares are usually cheapest in February, March, November — book 6–10 weeks ahead and avoid school-holiday peaks (late June–August, Christmas–New Year) for the best pricing.

Month-by-month price guide: Denver to Frankfurt

Live cheapest round-trip fare cached on DEN → FRA for each of the next 12 months. Tap any month and run a live search to confirm.

Sep
Low
from $1125
Oct
Peak
from $1219
Nov
No data
Dec
No data
Jan
No data
Feb
No data
Mar
No data
Apr
No data
May
No data
Jun
No data
Jul
No data
Aug
No data

Cheapest next 12 months: September from $1125 round-trip. Run a live search →

Booking window tip

Long-haul fares are most predictable when booked 10-16 weeks ahead. Inside six weeks expect sharp increases, especially in premium cabins. If you're paying with miles, search 330+ days ahead when award inventory first loads.

Price drop alerts

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Questions, answered

How long is the flight from Denver to Frankfurt?
Non-stop flights on DEN → FRA are typically around 9.5 hours. Connecting itineraries add 3–8 hours depending on the hub and layover.
Which airlines fly from Denver to Frankfurt?
The main carriers on this route are Lufthansa, United. Codeshare and one-stop options add several more — the filter panel above shows every airline in the current fare set.
When is the cheapest time to fly from Denver to Frankfurt?
Historically the lowest fares land in February, March, November. Summer (mid-June through mid-August) and the Christmas / New Year window are always peak. Mid-week departures (Tuesday–Thursday) typically beat weekend prices by 10–20%.
How far ahead should I book Denver to Frankfurt?
Six to ten weeks ahead is the sweet spot for this route. Inside three weeks, fares tend to spike as airlines sell to last-minute business travellers. Award availability often opens 10–11 months out if you're booking on miles.
Can I book directly on destination.com?
The Book button on each fare opens the airline or OTA (Trip.com, Kiwi, Expedia, Booking, Priceline, etc.) that's actually selling that ticket. You complete payment there at the same price you saw here — we never add a markup.

Other ways to reach Frankfurt

If your plans are flexible on the origin, these alternate departure airports also serve Frankfurt on the routes we track.