How to Travel from

Dortmund Hbf to Cologne Bonn Airport

by Rideshare or Car

Germany Dortmund Hbf Cologne Bonn Airport

Cheapest

By car (102 km)

1 h 2 min

102 km.

from $5

Other

Rideshare

1 h 2 min

102 km.

from $3.88

Bus operators

FlixBus

Phone:

+49 30 300 137 300

Email:

[email protected]

Website:

flixbus.com

Bus from Dortmund central bus station to Cologne

Ave. Duration:

1h 45m

Frequency:

Every 3 hours

Estimated price:

$12.72–$19.08

Union Ivkoni

Phone:

07001 8282

Email:

[email protected]

Website:

union-ivkoni.com/

Bus from Dortmund central bus station to Cologne

Ave. Duration:

1h 45m

Frequency:

Twice a week

Estimated price:

$7.00–$12.09

Grandes Tour

Phone:

+38 (044) 444 00 44

Website:

grandes-tour.com.ua/

Bus from Dortmund central bus station to Cologne

Ave. Duration:

2h 19m

Frequency:

3 times a week

Other operators

Jayride

Phone:

+61 2 8520 3150

Website:

jayride.com/

Other from Dortmund Hbf to Cologne

Train operators

Eurostar

Phone:

+44 343 218 6186

Website:

eurostar.com/rw-en

Train from Dortmund Hbf to Köln

Ave. Duration:

1h 25m

Frequency:

Twice daily

Estimated price:

$47.07–$101.78

Deutsche Bahn Intercity-Express

Phone:

+49 30 311-682904

Website:

bahn.de/

Train from Dortmund Hbf to Köln

Ave. Duration:

1h 19m

Frequency:

Hourly

Estimated price:

$39.44–$44.53

Train from Dortmund Hbf to Koeln/Bonn

Ave. Duration:

1h 24m

Frequency:

Once daily

Estimated price:

$43.26–$48.35

National Express

Phone:

08717 81 81 81

Website:

nationalexpress.com/en

Train from Dortmund Hbf to Köln

Ave. Duration:

1h 32m

Frequency:

Every 30 minutes

Estimated price:

$25.45–$36.90

Train from Dortmund Hbf to Koeln/Bonn

Ave. Duration:

2h 4m

Frequency:

Hourly

Estimated price:

$29.26–$41.98

TRI Train Rental GmbH

Phone:

+49 9126 301 90 70

Email:

[email protected]

Website:

train-rental.com/

Train from Dortmund Hbf to Köln

Ave. Duration:

1h 50m

Frequency:

Once daily

Flixtrain

Phone:

+49 30 300 137 100

Email:

[email protected]

Website:

flixtrain.de/

Train from Dortmund Hbf to Köln

Ave. Duration:

1h 36m

Frequency:

4 times a day

Estimated price:

$10.81–$16.54

What is the cheapest way to get from Dortmund Hbf to Cologne Bonn Airport?

The cheapest way to get from Dortmund Hbf to Cologne Bonn Airport is to bus which costs $5.98 - $10.33 and takes 1h 45m.

What is the fastest way to get from Dortmund Hbf to Cologne Bonn Airport?

The fastest way to get from Dortmund Hbf to Cologne Bonn Airport is to drive which takes 1h 5m and costs $16.30 - $25 .

Is there a direct bus between Dortmund Hbf and Cologne Bonn Airport?

Yes, there is a direct bus departing from Dortmund central bus station station and arriving at Cologne Airport CGN. Services depart every three hours, and operate every day. The journey takes approximately 1h 45m.

Is there a direct train between Dortmund Hbf and Cologne Bonn Airport?

Yes, there is a direct train departing from Dortmund Hbf and arriving at Koeln/Bonn Flughafen. Services depart hourly, and operate every day. The journey takes approximately 2h 4m.

How far is it from Dortmund Hbf to Cologne Bonn Airport?

The distance between Dortmund Hbf and Cologne Bonn Airport is 132 km. The road distance is 104.3 km.

How do I travel from Dortmund Hbf to Cologne Bonn Airport without a car?

The best way to get from Dortmund Hbf to Cologne Bonn Airport without a car is to train via Köln Hbf which takes 1h 44m and costs $13.04 - $108.70 .

How long does it take to get from Dortmund Hbf to Cologne Bonn Airport?

It takes approximately 1h 44m to get from Dortmund Hbf to Cologne Bonn Airport, including transfers.

Where do I catch the Dortmund Hbf to Cologne Bonn Airport bus from?

Dortmund Hbf to Cologne Bonn Airport bus services, operated by FlixBus, depart from Dortmund central bus station.

Where do I catch the Dortmund Hbf to Cologne Bonn Airport train from?

Dortmund Hbf to Cologne Bonn Airport train services, operated by Deutsche Bahn Intercity-Express, depart from Dortmund Hbf station.

Train or bus from Dortmund Hbf to Cologne Bonn Airport?

The best way to get from Dortmund Hbf to Cologne Bonn Airport is to train via Köln Hbf which takes 1h 44m and costs $13.04 - $108.70 . Alternatively, you can bus, which costs $5.98 - $10.33 and takes 1h 45m.

Where does the Dortmund Hbf to Cologne Bonn Airport bus arrive?

Dortmund Hbf to Cologne Bonn Airport bus services, operated by FlixBus, arrive at Cologne Airport CGN station.

Where does the Dortmund Hbf to Cologne Bonn Airport train arrive?

Dortmund Hbf to Cologne Bonn Airport train services, operated by Deutsche Bahn Intercity-Express, arrive at Köln Hbf station.

Can I drive from Dortmund Hbf to Cologne Bonn Airport?

Yes, the driving distance between Dortmund Hbf to Cologne Bonn Airport is 104 km. It takes approximately 1h 5m to drive from Dortmund Hbf to Cologne Bonn Airport.

How do I get a train ticket from Dortmund Hbf to Cologne Bonn Airport?

Book your Dortmund Hbf to Cologne Bonn Airport train tickets online with Omio.

How do I get a bus ticket from Dortmund Hbf to Cologne Bonn Airport?

Book your Dortmund Hbf to Cologne Bonn Airport bus tickets online with Omio, FlixBus and Distribusion.

Where can I stay near Cologne Bonn Airport?

There are 1572+ hotels available in Cologne Bonn Airport. Prices start at $45.33 per night.

Lanxess Arena

Lanxess Arena (stylized as LANXESS arena; originally Kölnarena, German for "Cologne arena") is an indoor arena, in Cologne, North Rhine-Westphalia, Germany. It is known as the 18,500-capacity home of the Kölner Haie and as one of Germany's major music venues. As of 2019, Lanxess Arena was the highest-attended arena worldwide, with 699,924 tickets sold. The arena is spanned by a noteable steel arch supporting the roof via steel cables. The height of the arch is 76 m (249 ft) and its weight is 480 tons.

Köln Hauptbahnhof

Köln Hauptbahnhof (English: Cologne Central Station) is the central railway station of Cologne, Germany. The station is an important local, national and international transport hub, with many ICE, Eurostar and Intercity trains calling there, as well as regional Regional-Express, RegionalBahn and local S-Bahn trains. EuroNight and Nightjet night services also call at the station. It has frequent connections to Frankfurt by way of the Cologne–Frankfurt high-speed rail line, which starts in southern Cologne. On an average day, about 280,000 travellers frequent the station, making it the fifth busiest station in Germany.

Great St. Martin Church

The Great Saint Martin Church (German: Groß Sankt Martin, mostly shortened to Groß St. Martin, pronounced ⓘ or ⓘ; Kölsch: Jruhß Zint Määtes ⓘ) is a Romanesque Catholic church in Cologne, Germany. Its foundations (c AD) rest on remnants of a Roman chapel, built on what was then an island in the Rhine. The church was later transformed into a Benedictine monastery. The current buildings, including a soaring crossing tower that is a landmark of Cologne's Old Town, were erected between 1150-1250. The architecture of its eastern end forms a triconch or trefoil plan, consisting of three apses around the crossing, similar to that at St. Maria im Kapitol. The church was badly damaged in World War II; restoration work was completed in 1985.

Cologne Bonn Airport

Porz (German: Köln-Porz) is a borough or Stadtbezirk of Cologne, Germany. It is situated on the east side of the Rhine in the south-east of the city. Porz is the largest borough of Cologne by area at 78.92 km2 and has 113,500 inhabitants.

Read in Wikipedia

[{"selectedTransportType":"car","routePoints":[{"latitude":51.517017,"longitude":7.460769,"title":"Dortmund Hbf"},{"latitude":50.881653,"longitude":7.1168585,"title":"Cologne Bonn Airport"}],"compositeRoutePoints":[],"transportTypes":{"car":{"title":"Car","color":"var(--color-transport-car)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_car\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_CAR\u0027\u003E\u003C\/i\u003E"},"taxi":{"title":"Taxi","color":"var(--color-transport-taxi)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_taxi\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TAXI\u0027\u003E\u003C\/i\u003E"},"bus":{"title":"Bus","color":"var(--color-transport-bus)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_bus\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_BUS\u0027\u003E\u003C\/i\u003E"},"train":{"title":"Train","color":"var(--color-transport-train)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_train\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRAIN\u0027\u003E\u003C\/i\u003E"},"truck":{"title":"Truck","color":"var(--color-transport-truck)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_truck\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRUCK\u0027\u003E\u003C\/i\u003E"},"plane":{"title":"Plane","color":"var(--color-transport-plane)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_plane\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_PLANE\u0027\u003E\u003C\/i\u003E"},"ride_share":{"title":"Rideshare","color":"var(--color-transport-ride_share)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_rideshare\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_RIDE_SHARE\u0027\u003E\u003C\/i\u003E"},"people":{"title":"Person","color":"var(--color-transport-people)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_people\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_PEOPLE\u0027\u003E\u003C\/i\u003E"},"walk":{"title":"Walking","color":"var(--color-transport-walk)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_walk\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_WALK\u0027\u003E\u003C\/i\u003E"},"bike":{"title":"Bicycle","color":"var(--color-transport-bike)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_bike\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_BIKE\u0027\u003E\u003C\/i\u003E"},"transfer":{"title":"Transfer","color":"var(--color-transport-transfer)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_transfer\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRANSFER\u0027\u003E\u003C\/i\u003E"},"subway":{"title":"Subway","color":"var(--color-transport-subway)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_subway\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_SUBWAY\u0027\u003E\u003C\/i\u003E"},"composite":{"title":"Route","color":"var(--color-transport-composite)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_transfer\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRANSFER\u0027\u003E\u003C\/i\u003E"},"carsharing":{"title":"Carsharing","color":"var(--color-transport-carsharing)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_carsharing\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_CARSHARING\u0027\u003E\u003C\/i\u003E"},"suburban":{"title":"Electric Train","color":"var(--color-transport-suburban)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_suburban\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_SUBURBAN\u0027\u003E\u003C\/i\u003E"},"tram":{"title":"Tram","color":"var(--color-transport-tram)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_tram\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRAM\u0027\u003E\u003C\/i\u003E"},"trolleybus":{"title":"Trolleybus","color":"var(--color-transport-trolleybus)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_trolleybus\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TROLLEYBUS\u0027\u003E\u003C\/i\u003E"},"cable_car":{"title":"Funicular","color":"var(--color-transport-cable_car)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_funicular\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_CABLE_CAR\u0027\u003E\u003C\/i\u003E"},"rail":{"title":"Rail","color":"var(--color-transport-rail)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_train\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRAIN\u0027\u003E\u003C\/i\u003E"},"ferry":{"title":"Ferry","color":"var(--color-transport-ferry)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_ferry\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_FERRY\u0027\u003E\u003C\/i\u003E"},"rent":{"title":"Rent auto","color":"var(--color-transport-rent)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_rent\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_RENT\u0027\u003E\u003C\/i\u003E"},"unknown":{"title":"Unknown","color":"var(--color-transport-unknown)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_transfer\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRANSFER\u0027\u003E\u003C\/i\u003E"}},"pointIcon":"\u003Ci class=\u0022icon iconmoon iconmoon-map_point\u0022 style=\u0022color:var(--color-primary)\u0022 aria-label=\u0027MAP_POINT\u0027\u003E\u003C\/i\u003E","routeId":47404907}, {"selectedTransportType":"ride_share","routePoints":[{"latitude":51.517017,"longitude":7.460769,"title":"Dortmund Hbf"},{"latitude":50.881653,"longitude":7.1168585,"title":"Cologne Bonn Airport"}],"compositeRoutePoints":[],"transportTypes":{"car":{"title":"Car","color":"var(--color-transport-car)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_car\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_CAR\u0027\u003E\u003C\/i\u003E"},"taxi":{"title":"Taxi","color":"var(--color-transport-taxi)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_taxi\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TAXI\u0027\u003E\u003C\/i\u003E"},"bus":{"title":"Bus","color":"var(--color-transport-bus)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_bus\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_BUS\u0027\u003E\u003C\/i\u003E"},"train":{"title":"Train","color":"var(--color-transport-train)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_train\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRAIN\u0027\u003E\u003C\/i\u003E"},"truck":{"title":"Truck","color":"var(--color-transport-truck)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_truck\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRUCK\u0027\u003E\u003C\/i\u003E"},"plane":{"title":"Plane","color":"var(--color-transport-plane)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_plane\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_PLANE\u0027\u003E\u003C\/i\u003E"},"ride_share":{"title":"Rideshare","color":"var(--color-transport-ride_share)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_rideshare\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_RIDE_SHARE\u0027\u003E\u003C\/i\u003E"},"people":{"title":"Person","color":"var(--color-transport-people)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_people\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_PEOPLE\u0027\u003E\u003C\/i\u003E"},"walk":{"title":"Walking","color":"var(--color-transport-walk)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_walk\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_WALK\u0027\u003E\u003C\/i\u003E"},"bike":{"title":"Bicycle","color":"var(--color-transport-bike)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_bike\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_BIKE\u0027\u003E\u003C\/i\u003E"},"transfer":{"title":"Transfer","color":"var(--color-transport-transfer)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_transfer\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRANSFER\u0027\u003E\u003C\/i\u003E"},"subway":{"title":"Subway","color":"var(--color-transport-subway)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_subway\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_SUBWAY\u0027\u003E\u003C\/i\u003E"},"composite":{"title":"Route","color":"var(--color-transport-composite)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_transfer\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRANSFER\u0027\u003E\u003C\/i\u003E"},"carsharing":{"title":"Carsharing","color":"var(--color-transport-carsharing)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_carsharing\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_CARSHARING\u0027\u003E\u003C\/i\u003E"},"suburban":{"title":"Electric Train","color":"var(--color-transport-suburban)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_suburban\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_SUBURBAN\u0027\u003E\u003C\/i\u003E"},"tram":{"title":"Tram","color":"var(--color-transport-tram)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_tram\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRAM\u0027\u003E\u003C\/i\u003E"},"trolleybus":{"title":"Trolleybus","color":"var(--color-transport-trolleybus)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_trolleybus\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TROLLEYBUS\u0027\u003E\u003C\/i\u003E"},"cable_car":{"title":"Funicular","color":"var(--color-transport-cable_car)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_funicular\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_CABLE_CAR\u0027\u003E\u003C\/i\u003E"},"rail":{"title":"Rail","color":"var(--color-transport-rail)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_train\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRAIN\u0027\u003E\u003C\/i\u003E"},"ferry":{"title":"Ferry","color":"var(--color-transport-ferry)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_ferry\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_FERRY\u0027\u003E\u003C\/i\u003E"},"rent":{"title":"Rent auto","color":"var(--color-transport-rent)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_rent\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_RENT\u0027\u003E\u003C\/i\u003E"},"unknown":{"title":"Unknown","color":"var(--color-transport-unknown)","icon":"\u003Ci class=\u0022icon iconmoon iconmoon-transport_transfer\u0022 style=\u0022color:var(--color-white)\u0022 aria-label=\u0027TRANSPORT_TRANSFER\u0027\u003E\u003C\/i\u003E"}},"pointIcon":"\u003Ci class=\u0022icon iconmoon iconmoon-map_point\u0022 style=\u0022color:var(--color-primary)\u0022 aria-label=\u0027MAP_POINT\u0027\u003E\u003C\/i\u003E","routeId":47404907}]

Two ways to Travel from Dortmund Hbf to Cologne Bonn Airport

Transport providers

Bus operators

FlixBus

Union Ivkoni

Grandes Tour

Other operators

Jayride

Train operators

Eurostar

Deutsche Bahn Intercity-Express

National Express

TRI Train Rental GmbH

Flixtrain

Questions and Answers

What is the cheapest way to get from Dortmund Hbf to Cologne Bonn Airport?

What is the fastest way to get from Dortmund Hbf to Cologne Bonn Airport?

Is there a direct bus between Dortmund Hbf and Cologne Bonn Airport?

Is there a direct train between Dortmund Hbf and Cologne Bonn Airport?

How far is it from Dortmund Hbf to Cologne Bonn Airport?

How do I travel from Dortmund Hbf to Cologne Bonn Airport without a car?

How long does it take to get from Dortmund Hbf to Cologne Bonn Airport?

Where do I catch the Dortmund Hbf to Cologne Bonn Airport bus from?

Where do I catch the Dortmund Hbf to Cologne Bonn Airport train from?

Train or bus from Dortmund Hbf to Cologne Bonn Airport?

Where does the Dortmund Hbf to Cologne Bonn Airport bus arrive?

Where does the Dortmund Hbf to Cologne Bonn Airport train arrive?

Can I drive from Dortmund Hbf to Cologne Bonn Airport?

How do I get a train ticket from Dortmund Hbf to Cologne Bonn Airport?

How do I get a bus ticket from Dortmund Hbf to Cologne Bonn Airport?

Where can I stay near Cologne Bonn Airport?