Silver Line train to Metro CenterorSilver and Red Line trains to Union Station?

The short answer

These do not go to the same place, so price is not the comparison. The Silver Line train to Metro Center reaches Downtown Washington at Metro Center; the Silver and Red Line trains to Union Station does not. Union Station on Capitol Hill, three Red Line stops east of Metro Center: the one to take for Amtrak, MARC or a hotel near the Capitol.

The Silver Line train to Metro Center is quicker: 49 min against 54 min. The Silver and Red Line trains to Union Station varies between 54 and 55 minutes.

Silver Line train to Metro Center: 05:00–23:15. Silver and Red Line trains to Union Station: 05:00–23:06.

Priced against each other

Whole-party totals · adult fares

What each costs for the whole party, in USD. The cheaper of the two is marked on every row.
Travelers	Silver Line train to Metro Center	Silver and Red Line trains to Union Station	Difference
1	US$6.75	US$6.75	same
2	US$13.50	US$13.50	same
3	US$20.25	US$20.25	same
4	US$27	US$27	same
5	US$33.75	US$33.75	same
6	US$40.50	US$40.50	same
7	US$47.25	US$47.25	same
8	US$54	US$54	same

Side by side

Where each one leaves you

Silver · WMATA (Washington Metropolitan Area Transit Authority)Silver Line train to Metro Center

From: Washington Dulles International Airport station, through the walkway from the Main Terminal
To: Metro Center station downtown, where the Red, Blue, Orange and Silver Lines meet
Runs: 05:00–23:15
Journey: 49–50 min

Board a train towards Largo or New Carrollton; both stop at Metro Center.

Tap out with the same card or phone you tapped in with. Weekend track work sometimes stretches the wait to 24 minutes.

Silver Line train to Metro Center: price for every party size

How to pay for Metro

SilverRed · WMATA (Washington Metropolitan Area Transit Authority)Silver and Red Line trains to Union Station

From: Washington Dulles International Airport station, through the walkway from the Main Terminal
To: Union Station, the railway station on Capitol Hill, for Amtrak and MARC trains
Runs: 05:00–23:06
Journey: 54–55 min

Change at Metro Center to a Red Line train towards Glenmont; Union Station is the third stop.

Silver and Red Line trains to Union Station: price for every party size

How to pay for Metro

This compares two of 4 options. See all of them ranked for your party size

Silver Line train to Metro CenterorSilver and Red Line trains to Union Station?

Priced against each other

Side by side

The other comparisons at Dulles International Airport