Search Cheap Flights to
Diez

Search 400 airlines and 321,000 hotels worldwide.

Stop Planning & Start Exploring

FREE 24 hour cancellation on most flights

Diez Flights as Low as $672

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

United
Sun, Aug 23 - Wed, Sep 9
BOS
Logan Intl.
QKL
Cologne Central Train Station
$672 Roundtrip, found 1 day ago
$672
Roundtrip
found 1 day ago
Select United flight, departing Sun, Aug 23 from Logan Intl. to Cologne Central Train Station, returning Wed, Sep 9, priced at $672 found 1 day ago
United
Mon, Aug 24 - Wed, Sep 9
BOS
Logan Intl.
QKL
Cologne Central Train Station
$687 Roundtrip, found 1 day ago
$687
Roundtrip
found 1 day ago
Select United flight, departing Mon, Aug 24 from Logan Intl. to Cologne Central Train Station, returning Wed, Sep 9, priced at $687 found 1 day ago
United
Tue, Sep 8 - Wed, Sep 23
BOS
Logan Intl.
QKL
Cologne Central Train Station
$702 Roundtrip, found 1 day ago
$702
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 8 from Logan Intl. to Cologne Central Train Station, returning Wed, Sep 23, priced at $702 found 1 day ago
United
Sun, Sep 6 - Wed, Sep 23
BOS
Logan Intl.
QKL
Cologne Central Train Station
$718 Roundtrip, found 1 day ago
$718
Roundtrip
found 1 day ago
Select United flight, departing Sun, Sep 6 from Logan Intl. to Cologne Central Train Station, returning Wed, Sep 23, priced at $718 found 1 day ago
United
Sun, Aug 23 - Mon, Sep 7
BOS
Logan Intl.
QKL
Cologne Central Train Station
$732 Roundtrip, found 1 day ago
$732
Roundtrip
found 1 day ago
Select United flight, departing Sun, Aug 23 from Logan Intl. to Cologne Central Train Station, returning Mon, Sep 7, priced at $732 found 1 day ago
United
Tue, Aug 4 - Wed, Aug 19
BOS
Logan Intl.
QKL
Cologne Central Train Station
$750 Roundtrip, found 1 day ago
$750
Roundtrip
found 1 day ago
Select United flight, departing Tue, Aug 4 from Logan Intl. to Cologne Central Train Station, returning Wed, Aug 19, priced at $750 found 1 day ago
Lufthansa
Wed, Oct 14 - Wed, Oct 28
BOS
Logan Intl.
QKL
Cologne Central Train Station
$780 Roundtrip, found 20 hours ago
$780
Roundtrip
found 20 hours ago
Select Lufthansa flight, departing Wed, Oct 14 from Logan Intl. to Cologne Central Train Station, returning Wed, Oct 28, priced at $780 found 20 hours ago
United
Mon, Nov 30 - Tue, Dec 8
EWR
Newark Liberty Intl. Airport
QKL
Cologne Central Train Station
$781 Roundtrip, found 8 hours ago
$781
Roundtrip
found 8 hours ago
Select United flight, departing Mon, Nov 30 from Newark Liberty Intl. Airport to Cologne Central Train Station, returning Tue, Dec 8, priced at $781 found 8 hours ago
United
Wed, Oct 14 - Wed, Oct 28
BOS
Logan Intl.
CGN
Cologne - Bonn
$787 Roundtrip, found 20 hours ago
$787
Roundtrip
found 20 hours ago
Select United flight, departing Wed, Oct 14 from Logan Intl. to Cologne - Bonn, returning Wed, Oct 28, priced at $787 found 20 hours ago
Air Canada
Wed, Oct 14 - Wed, Oct 28
BOS
Logan Intl.
CGN
Cologne - Bonn
$794 Roundtrip, found 20 hours ago
$794
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Wed, Oct 14 from Logan Intl. to Cologne - Bonn, returning Wed, Oct 28, priced at $794 found 20 hours ago
Austrian Airlines
Wed, Oct 14 - Wed, Oct 28
BOS
Logan Intl.
CGN
Cologne - Bonn
$803 Roundtrip, found 20 hours ago
$803
Roundtrip
found 20 hours ago
Select Austrian Airlines flight, departing Wed, Oct 14 from Logan Intl. to Cologne - Bonn, returning Wed, Oct 28, priced at $803 found 20 hours ago
Turkish Airlines
Wed, Oct 14 - Wed, Oct 28
BOS
Logan Intl.
CGN
Cologne - Bonn
$828 Roundtrip, found 20 hours ago
$828
Roundtrip
found 20 hours ago
Select Turkish Airlines flight, departing Wed, Oct 14 from Logan Intl. to Cologne - Bonn, returning Wed, Oct 28, priced at $828 found 20 hours ago
United
Sun, Nov 29 - Tue, Dec 8
EWR
Newark Liberty Intl. Airport
CGN
Cologne - Bonn
$876 Roundtrip, found 2 days ago
$876
Roundtrip
found 2 days ago
Select United flight, departing Sun, Nov 29 from Newark Liberty Intl. Airport to Cologne - Bonn, returning Tue, Dec 8, priced at $876 found 2 days ago
United
Wed, Sep 16 - Fri, Oct 2
ORF
Norfolk Intl.
QKL
Cologne Central Train Station
$924 Roundtrip, found 19 hours ago
$924
Roundtrip
found 19 hours ago
Select United flight, departing Wed, Sep 16 from Norfolk Intl. to Cologne Central Train Station, returning Fri, Oct 2, priced at $924 found 19 hours ago
United
Sun, Sep 13 - Tue, Sep 29
ORF
Norfolk Intl.
CGN
Cologne - Bonn
$929 Roundtrip, found 20 hours ago
$929
Roundtrip
found 20 hours ago
Select United flight, departing Sun, Sep 13 from Norfolk Intl. to Cologne - Bonn, returning Tue, Sep 29, priced at $929 found 20 hours ago
Swiss International Air Lines
Wed, Oct 14 - Wed, Oct 28
BOS
Logan Intl.
CGN
Cologne - Bonn
$1,099 Roundtrip, found 20 hours ago
$1,099
Roundtrip
found 20 hours ago
Select Swiss International Air Lines flight, departing Wed, Oct 14 from Logan Intl. to Cologne - Bonn, returning Wed, Oct 28, priced at $1,099 found 20 hours ago

Cheap Flights to Diez

Fall in love at first flight with your vacation to Diez by saving a ton of cash on your last-minute cheap flight. There’s no more scouring the internet for a good deal—book your flight to Diez on Hotwire, and you’ll be up, up, and on a getaway in no time.

Because once the wheels are down in Diez, the good times start rolling. So buckle up, you’re in for a fun ride.

Frequently Asked Questions About flights to Diez

Don’t waste your time on endless searches for cheap airline tickets oneway or roundtrip. We’ll have you on your way to Diez with a tiny bag of pretzels in your hand before you can say “tray tables in the upright position”—and for a ticket price that works for your vacay budget.

So all you have to worry about is where you’re headed after the QYG airport.

What is the cheapest month to fly to Diez?

Airline ticket prices fluctuate all the time, depending on the day of the week or the month of the year. The cheapest round trip flights to Diez are in August, but when you book your flight on Hotwire, savings are always in season.

How many airlines fly to Diez?

Variety is the spice of life, even when it comes to booking your next trip. Want options for airlines? You’ll find 16 to choose from for your flight to Diez.

What airport is best to fly into Diez?

When you’re planning your trip to Diez, convenience is the name of the game. Luckily, Diez Mainz Finthen Airport is nearby so you can deplane and get going on checking off everything on your Diez must-do list.

How much are flights to Diez?

Got very cheap flights on your vacation itinerary? When you book your airline tickets to Diez on Hotwire, you may just get what’s on your getaway wish list. With tickets as low as $672, you’ll have leftover cash for at least a magazine and a bottle of water at the airport book store.

How to get cheap flights to Diez?

The trick to saving a stack of cash on your flight to Diez? Snatch up that Hotwire flight deal when you see a killer rate because it could be gone in a flash. And with flights as low as $672 right now, why wait?

Diez Flight Information
Destination airport
Cologne Central Train Station
Destination airport IATA code
QKL
Roundtrip price
$672

Last Minute Hotel Deals in Diez

bestprice Hotel Koblenz

bestprice Hotel Koblenz

Bahnhofpl. 1 Koblenz RP
Stay at this hotel in Koblenz. Enjoy free WiFi, breakfast (surcharge), and premium TV channels. Popular attractions Deutsches Eck and Fort Grossfurst Konstantin ...
8/10 Very Good! (71 reviews)
"Good location. Very friendly staff. Clean room.We had a very great view of one of the castles 24 minutes walk"

Reviewed on Jul 16, 2026

Get rates
bestprice Hotel Koblenz
Premier Inn Koblenz City

Premier Inn Koblenz City

Clemensstrasse 32 Koblenz
Stay at this hotel in Koblenz. Enjoy free WiFi, breakfast (surcharge), and a 24-hour front desk. Popular attractions Deutsches Eck and Middle Rhein Museum are ...
8.8/10 Excellent! (20 reviews)
"The hotel gets bonus points for being energy-efficient plus the location was perfect!"

Reviewed on Jul 13, 2026

Get rates
Premier Inn Koblenz City
Mercure Hotel Koblenz

Mercure Hotel Koblenz

4 out of 5
Julius-Wegeler-Strasse 6 Koblenz RP
Book a stay at this business-friendly hotel in Koblenz. Enjoy free WiFi, breakfast (surcharge), and 24-hour room service. Our guests praise the helpful staff ...
8.4/10 Very Good! (1,002 reviews)
"We enjoyed our stay at the Mercur Hotel in Koblenz. The location is great, within walking distance to old town and the cable car to the castle. Breakfast was great with a nice variety of fresh fruit, vegetables and cured meat and fish."

Reviewed on Jul 17, 2026

Get rates
Mercure Hotel Koblenz
Diehls Hotel

Diehls Hotel

Rheinsteigufer 1 Koblenz RP
Stay at this hotel in Koblenz. Enjoy free WiFi, free parking, and 2 restaurants. Popular attractions Deutsches Eck and Ehrenmal Preussischen Soldaten Feldzug ...
8.4/10 Very Good! (283 reviews)
"We loved staying at this unique hotel, as if transported to another time. The room was big enough, the A/C worked well, the breakfast was delicious and reasonably priced. The indoor pool looked nice and clean, but lacked A/C and felt like being in a sauna, so we didn’t try it. Still, 100% ..."

Reviewed on Jul 13, 2026

Get rates
Diehls Hotel
Wyndham Garden Lahnstein Koblenz

Wyndham Garden Lahnstein Koblenz

Zu den Thermen Lahnstein RP
Book a stay at this spa hotel in Lahnstein. Enjoy free WiFi, a full-service spa, and breakfast (surcharge). Our guests praise the property condition in our reviews. ...
7.2/10 Good! (514 reviews)
"We had a wonderful stay -"

Reviewed on Jun 30, 2026

Get rates
Wyndham Garden Lahnstein Koblenz
sander Hotel

sander Hotel

Casinostraße 17 Koblenz Rhineland-Palatinate
Stay at this hotel in Koblenz. Enjoy free WiFi, parking (surcharge), and a 24-hour front desk. Our guests praise the helpful staff in our reviews. Popular attractions ...
9/10 Wonderful! (652 reviews)
"Good breakfast for a good price. Decent room size"

Reviewed on Jul 18, 2026

Get rates
sander Hotel
B&B HOTEL Koblenz-City

B&B HOTEL Koblenz-City

Bardelebenstraße 6 Koblenz Rhineland-Palatinate
Stay at this hotel in Koblenz. Enjoy free WiFi, breakfast (surcharge), and parking (surcharge). Popular attractions Deutsches Eck and Löhr-Center are located ...
8.2/10 Very Good! (307 reviews)
"Zero issues at all. It's a well oiled machine,so there was barely staff ever. We self checked in. We only stayed a night, so I'm not sure I saw anyone who worked there besides maybe breakfast? It's very automated. Very clean, felt safe, nice guests."

Reviewed on Jul 8, 2026

Get rates
B&B HOTEL Koblenz-City
Four Points Flex by Sheraton Koblenz

Four Points Flex by Sheraton Koblenz

3 out of 5
Neversstrasse 15 Koblenz RP
Stay at this hotel in Koblenz. Enjoy free WiFi, breakfast (surcharge), and a 24-hour front desk. Our guests praise the helpful staff in our reviews. Popular ...
8.8/10 Excellent! (967 reviews)
"Just across the plaza from the train station. Very clean hotel. Breakfast was incredible. Lots to see in Koblenz. Loved the old narrow cobblestone streets that went everywhere. So cool"

Reviewed on Jun 24, 2026

Get rates
Four Points Flex by Sheraton Koblenz
See all 1,557 properties in Diez
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.