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Cheap Flights from Denver International to Baltimore Washington International

Compare Denver International to Baltimore Washington International flight deals

Find the cheapest month or even day of the year to fly to Baltimore Washington International

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Flight deals from Denver International to Baltimore Washington International

Looking for a cheap last-minute deal or the best return flight from Denver International to Baltimore Washington International? Find the lowest prices on one-way and return tickets right here.
Washington D.C..$221 per passenger.Departing Wed, 25 Feb, returning Tue, 3 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Denver International on Wed, 25 Feb, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Tue, 3 Mar, arriving in Denver International.Price includes taxes and charges.From $221, select.
Washington D.C..$238 per passenger.Departing Thu, 22 Jan, returning Sat, 24 Jan.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Denver International on Thu, 22 Jan, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sat, 24 Jan, arriving in Denver International.Price includes taxes and charges.From $238, select.
Washington D.C..$257 per passenger.Departing Sat, 21 Feb, returning Sat, 28 Feb.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Denver International on Sat, 21 Feb, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sat, 28 Feb, arriving in Denver International.Price includes taxes and charges.From $257, select.
Washington D.C..$268 per passenger.Departing Tue, 3 Mar, returning Thu, 5 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Denver International on Tue, 3 Mar, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Thu, 5 Mar, arriving in Denver International.Price includes taxes and charges.From $268, select.
Washington D.C..$286 per passenger.Departing Sat, 17 Jan, returning Sat, 7 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Denver International on Sat, 17 Jan, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sat, 7 Mar, arriving in Denver International.Price includes taxes and charges.From $286, select.
Washington D.C..$304 per passenger.Departing Mon, 26 Jan, returning Mon, 2 Feb.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Denver International on Mon, 26 Jan, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Mon, 2 Feb, arriving in Denver International.Price includes taxes and charges.From $304, select.
Washington D.C..$314 per passenger.Departing Tue, 7 Apr, returning Thu, 9 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Denver International on Tue, 7 Apr, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Thu, 9 Apr, arriving in Denver International.Price includes taxes and charges.From $314, select.
Washington D.C..$316 per passenger.Departing Wed, 31 Dec, returning Mon, 5 Jan.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Denver International on Wed, 31 Dec, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Mon, 5 Jan, arriving in Denver International.Price includes taxes and charges.From $316, select.

Find the cheapest month to fly from Denver International to Baltimore Washington International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Denver International to Baltimore Washington International flights are currently cheapest in January.
Dec
from $445
Jan
from $238
Feb
from $257
Mar
from $268
Apr
from $314
May
from $666
Jun
from $610
Jul
from $636
Aug
from $651
Sep
Find prices
Oct
from $666
Nov
Find prices

Direct flights from Denver International to Baltimore Washington International

Denver International to Baltimore Washington International: Alternative routes

Compare routes from Denver International to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Baltimore Washington International.

Denver to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found$221
Cheapest month to flyFebruary
Average flight time3 hrs, 23 mins
Most popular airlineSouthwest Airlines
Average flights per week71

Finding cheap flights from Denver International to Baltimore Washington International: Frequently asked questions

The best price we found for a return flight from Denver International to Baltimore Washington International is $221. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 23 minutes is the average flight time from Denver International to Baltimore Washington International.
Southwest Airlines and United fly direct from Denver International to Baltimore Washington International.
As of December 2025, there are 71 flights per week flying from Denver International to Baltimore Washington International.
The cheapest month to fly from Denver International to Baltimore Washington International is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Baltimore Washington International Airport on Wednesday, 25 February 2026.
Yes – the average flight time is 3 hours and 23 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Baltimore Washington International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines and Southwest Airlines offer the cheapest flight tickets to Baltimore Washington International.

Travelling from Denver International Airport (DEN) to Baltimore/Wash International Thurgood Marshall Airport (BWI): what you need to know

  • The average time for a direct flight from Denver International Airport to Baltimore/Wash International Thurgood Marshall Airport is 3 hours 25 minutes.

  • The timezone in Washington DC is UTC-4, which is two hours ahead of Denver.

  • Every week, there are 64 Denver International Airport to Baltimore/Wash International Thurgood Marshall Airport flights. If you'd like to be on board as early as possible, opt for the 05:00 Southwest Airlines flight. If you're eager to make the most of your time before you fly, the latest flight is at 23:59 with United Airlines.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Be at the airport on time to catch your DEN to BWI flight.

  • During popular months like July, it's best to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead of an international flight whenever you're travelling during a peak period in general.

  • With direct flights from Denver International Airport to Baltimore/Wash International Thurgood Marshall Airport available through a range of airlines, getting to Washington DC (and then other destinations in United States) is a cinch. Here's who you can travel nonstop with:

  • Most travellers choose to fly with Frontier Airlines on this route.

  • United Airlines ranks as the top on-time carrier for DEN to BWI flights, with 87.25% of its services landing on schedule.

  • If you'd like to explore another city along the way, simply deselect 'Direct flights only' when searching for your ticket from Denver International Airport to Baltimore/Wash International Thurgood Marshall Airport. These are the most popular stopovers between DEN and BWI:

    • General Mitchell International Airport

    • Kansas City International Airport

    • Detroit Metropolitan Wayne County Airport

How to find the cheapest flights from Denver International Airport (DEN) to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • $110 is the best price for a one-way Denver International Airport to Baltimore/Wash International Thurgood Marshall Airport flight. Return flights start at $221. These prices may change based on availability and demand.

  • Score cheap tickets from DEN to BWI by booking six months ahead. Based on our research, that's the sweet spot for landing a bargain.

  • May is the cheapest month for flights from Denver International Airport to Baltimore/Wash International Thurgood Marshall Airport. If you're looking to fly during a different time of year, the 'Whole month' tool will give you the lowest airfares across every month.

  • Landing cheap flights from DEN to BWI is a piece of cake with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when a new discounted fare appears.

  • Choose your ideal arrival and departure times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Denver International Airport to Baltimore/Wash International Thurgood Marshall Airport.

Handy information about Denver International Airport (DEN)

  • The address for DEN is 8500 Pena Boulevard.

  • Denver International Airport earns top marks for on-time performance. 80.23% of flights that take off from DEN land on time.

  • Central Denver to Denver International Airport is approximately 40 kilometres. Depending on traffic, it'll take about 35 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Expect a journey time of about 1 hour 30 minutes when using public transport.

  • Need a place to stay before your flight from Denver International Airport to Baltimore/Wash International Thurgood Marshall Airport? Consider Baymont by Wyndham Denver International Airport. Get a good night's rest here before heading to DEN.

Arriving at Baltimore/Wash International Thurgood Marshall Airport (BWI)

Getting from Baltimore/Wash International Thurgood Marshall Airport (BWI) to central Washington DC

  • Baltimore/Wash International Thurgood Marshall Airport is roughly 48 kilometres from central Washington DC. The drive time takes about 50 minutes.

  • Getting there on public transport takes around 1 hour 30 minutes.

When to fly to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • It's time to choose your dates for your flight from Denver International Airport to Baltimore/Wash International Thurgood Marshall Airport. July is the busiest month to head to Washington DC. If you prefer a more laid-back vibe, go in May.

  • Lock in your flight from Denver International Airport to Baltimore/Wash International Thurgood Marshall Airport for July if you'd like to go to Washington DC during its warmest month. Expect temperatures of between 19ºC and 33ºC.

  • Look for cheap tickets from DEN to BWI in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between -6ºC and 10ºC on average.

Explore more of United States

  • Washington DC has its own special appeal, but there are so many other parts of United States you should also see. About 322 kilometres north-east of Washington DC, a trip to New York will keep you busy. Check out popular attractions like Statue of Liberty, Central Park and Empire State Building.

  • Around 193 kilometres north-east of Washington DC, Philadelphia is another favourite stop in United States. Experience major highlights starting with Liberty Bell, Independence Hall and Philadelphia Museum of Art.

More travel options

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.