What is the cheapest airline that flies from Baltimore/Washington to Denver Intl?

Frontier, United Airlines, and American Airlines are the most popular carriers operating from Baltimore/Washington to Denver Intl

How many flights depart from Baltimore to Denver on average per day?

As of August 2025, there are 9 flights per day flying from Baltimore to Denver. The most common time of day flights depart is 10:00AM, with 47% of flights taking off at noon.

What airlines fly to Denver?

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Denver from Baltimore according to our data. Frontier is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 7 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

How many flights depart from Baltimore to Denver on average per week?

68 flights are operational weekly from Baltimore to Denver as of August 2025. The most popular departure day for this route is Mon, with 22% of flights per week taking off on this day.

When did momondo last update prices for flights from Baltimore/Washington Airport to Denver Intl Airport?

Prices for flights from Baltimore/Washington Airport to Denver Intl Airport were last updated today.

How many operators does momondo search for flights from Baltimore/Washington Airport to Denver Intl Airport?

As of August 2025, there are 6 operators available to choose from for flights from Baltimore/Washington Airport to Denver Intl Airport.

How old do you have to be to fly from Baltimore/Washington Airport to Denver Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Baltimore/Washington Airport to Denver Intl Airport.

What documentation or ID do you need to fly to Denver Intl Airport?

The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$91 Cheap Flights from Baltimore to Denver (BWI-DEN) in 2025

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Find the cheapest flights from Baltimore to Denver (BWI-DEN)

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

6:27 pm - 8:29 pmBWI-DEN

4h 02mnonstop

11:59 pm - 8:05 pmDEN-BWI

18h 06m1 stop

$158Frontier

Find Deal

Sun, Sep 21 - Sat, Sep 27

9:59 pm - 10:16 amBWI-DEN

14h 17m1 stop

6:00 am - 9:14 pmDEN-BWI

13h 14m1 stop

$159Frontier

Find Deal

Fri, Sep 5 - Fri, Sep 12

3:05 pm - 11:43 pmBWI-DEN

10h 38m1 stop

1:42 pm - 12:13 amDEN-BWI

8h 31m1 stop

$160Frontier

Find Deal

Sat, Nov 1 - Mon, Nov 3

3:05 pm - 11:43 pmBWI-DEN

10h 38m1 stop

12:59 am - 3:35 pmDEN-BWI

12h 36m1 stop

$161Frontier

Find Deal

Sat, Nov 1 - Sun, Nov 2

2:21 pm - 9:22 pmBWI-DEN

9h 01m1 stop

11:40 am - 12:06 amDEN-BWI

10h 26m1 stop

$162Frontier

Find Deal

Sat, Sep 6 - Sat, Sep 13

4:24 pm - 11:13 pmBWI-DEN

8h 49m1 stop

11:59 pm - 8:05 pmDEN-BWI

18h 06m1 stop

$163Frontier

Find Deal

Sat, Sep 20 - Sat, Sep 27

9:37 pm - 11:13 pmBWI-DEN

27h 36m1 stop

12:04 am - 9:23 amDEN-BWI

7h 19m1 stop

$164Frontier

Find Deal

Thu, Sep 25 - Sat, Sep 27

6:50 pm - 9:14 amBWI-DEN

16h 24m1 stop

6:10 am - 12:08 pmDEN-BWI

27h 58m1 stop

$165Frontier

Find Deal

Fri, Sep 5 - Sun, Sep 7

5:45 am - 5:13 pmBWI-DEN

13h 28m1 stop

6:39 pm - 7:01 amDEN-BWI

10h 22m1 stop

$197

Find Deal

Wed, Sep 10 - Sat, Sep 13

12:00 pm - 8:47 pmBWI-DEN

10h 47m1 stop

12:59 am - 3:25 pmDEN-BWI

12h 26m1 stop

$203

Find Deal

Mon, Sep 8 - Fri, Sep 12

Frontier flights from Baltimore to Denver

Our best Frontier deals on Baltimore to Denver flight tickets

Frontier

Sep 21

BWI6:27 pmBaltimore/Washington

4h 02m

DEN8:29 pmDenver Intl

Sep 27

DEN11:59 pmDenver Intl

18h 06m

1 stop

BWI8:05 pmBaltimore/Washington

$158

Find similar

Frontier

Sep 5

BWI9:59 pmBaltimore/Washington

14h 17m

1 stop

DEN10:16 amDenver Intl

Sep 12

DEN6:00 amDenver Intl

13h 14m

1 stop

BWI9:14 pmBaltimore/Washington

$159

Find similar

Frontier

Nov 1

BWI3:05 pmBaltimore/Washington

10h 38m

1 stop

DEN11:43 pmDenver Intl

Nov 3

DEN1:42 pmDenver Intl

8h 31m

1 stop

BWI12:13 amBaltimore/Washington

$160

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Sun 9/21

6:27 pm-8:29 pm

Nonstop4h 02m

Denver Intl

Sat 9/27

11:59 pm-8:05 pm

1 stop18h 06m

$158

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Fri 9/5

9:59 pm-10:16 am

1 stop14h 17m

Denver Intl

Fri 9/12

6:00 am-9:14 pm

1 stop13h 14m

$159

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Sat 11/1

3:05 pm-11:43 pm

1 stop10h 38m

Denver Intl

Mon 11/3

1:42 pm-12:13 am

1 stop8h 31m

$160

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Sat 11/1

3:05 pm-11:43 pm

1 stop10h 38m

Denver Intl

Sun 11/2

12:59 am-3:35 pm

1 stop12h 36m

$161

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Sat 9/6

2:21 pm-9:22 pm

1 stop9h 01m

Denver Intl

Sat 9/13

11:40 am-12:06 am

1 stop10h 26m

$162

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Sat 9/20

4:24 pm-11:13 pm

1 stop8h 49m

Denver Intl

Sat 9/27

11:59 pm-8:05 pm

1 stop18h 06m

$163

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Thu 9/25

9:37 pm-11:13 pm

1 stop27h 36m

Denver Intl

Sat 9/27

12:04 am-9:23 am

1 stop7h 19m

$164

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Fri 9/5

6:50 pm-9:14 am

1 stop16h 24m

Denver Intl

Sun 9/7

6:10 am-12:08 pm

1 stop27h 58m

$165

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Wed 9/10

5:45 am-5:13 pm

1 stop13h 28m

Denver Intl

Sat 9/13

6:39 pm-7:01 am

1 stop10h 22m

$197

BaltimoreDenver

BWI - DEN

BWIDEN

Baltimore/Washington

Mon 9/8

12:00 pm-8:47 pm

1 stop10h 47m

Denver Intl

Fri 9/12

12:59 am-3:25 pm

1 stop12h 26m

$203

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Baltimore to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Baltimore is in November. Flight prices, which tend to average around $258, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in November, then you should wait until October to fly from Baltimore, when ticket prices are also cheap, with an average price of $272.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Wednesday when prices can be found for as low as $300. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $369.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $259. Flights in the evening are often more expensive with an average ticket price of $374.

What is the cheapest Baltimore/Washington to Denver Intl flight route?

Fly from Baltimore/Washington to Denver Intl for the best Baltimore/Washington - Denver Intl flight prices

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $324 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Baltimore for as low as $262 on momondo.

What cabin class options are available on Baltimore/Washington to Denver Intl flights?

There are 4 cabin classes available to choose from on Baltimore/Washington to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Baltimore to Denver flight prices changed over time?

As of August 2025, prices for Baltimore to Denver flights are approximately 71% more expensive when compared to flights at the same time last year.

When to book flights from Baltimore to Denver

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Denver according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Baltimore to Denver (BWI to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Denver

Best Price Found	$157
Fastest flight time	3h 50m
Direct flights	Every day
Airports in Denver	1 airport

The best one-way flight to Denver from Baltimore in the past 72 hours is $157. The best round-trip flight deal from Baltimore to Denver found on momondo in the last 72 hours is $273.

The fastest flight from Baltimore to Denver takes 3h 50m

Direct flights go from Baltimore to Denver every day.

There is 1 airport near Denver: Denver Intl (DEN)

Search flight deals

How far is Baltimore/Washington to Denver Intl by plane?
Baltimore/Washington and Denver Intl are 1505.3 mi apart from one another. Typically, this will take 4h 02m by plane in normal conditions.
When did momondo last update prices for flights from Baltimore/Washington Airport to Denver Intl Airport?
Prices for flights from Baltimore/Washington Airport to Denver Intl Airport were last updated today.
How many operators does momondo search for flights from Baltimore/Washington Airport to Denver Intl Airport?
As of August 2025, there are 6 operators available to choose from for flights from Baltimore/Washington Airport to Denver Intl Airport.
How old do you have to be to fly from Baltimore/Washington Airport to Denver Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Baltimore/Washington Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Baltimore to Denver?
Based on momondo bookings for flights between Baltimore and Denver, the leading plane model is Boeing 737 MAX 8, making up 18.66% of the total bookings. Other popular models include Boeing 737-800 Passenger/BBJ2 (winglets) with 13.92%, Boeing 737-900 with 11.25%, and Airbus A320neo with 10.28%.
What is the most popular airline from Baltimore to Denver?
Based on momondo bookings for flights between Baltimore and Denver, the leading airline is Southwest, making up 34% of the total bookings. Other popular airlines include United Airlines with 33%, Frontier with 31%, and American Airlines with 1%.

Best airlines flying from Baltimore to Denver

Compare and see reviews for airlines that fly from Baltimore to Denver with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $101	Free Cancellation	Rating 5.8 3,200 reviews	Search Frontier flights
Sun Country Air	PriceFrom $155	Free Cancellation	Rating 6.9 332 reviews	Search Sun Country Air flights
American Airlines	PriceFrom $174	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $195	Free Cancellation	Rating 7.4 8,943 reviews	Search United Airlines flights
Delta	PriceFrom $216	Free Cancellation	Rating 7.9 7,979 reviews	Search Delta flights
Southwest	PriceFrom $217	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights

Southwest Flights From Baltimore to Denver
Southwest operates around 52 flights from Baltimore to Denver every week. The average price of these flights found in the last 72 hours has been $357, but momondo users have found Southwest deals from Baltimore to Denver from as low as $217 round-trip. Southwest has been scored 8.0/10 in 4,242 reviews.
United Airlines Flights From Baltimore to Denver
Another popular option for Baltimore to Denver flights is United Airlines (7.4/10, 8,943 ratings). United Airlines flies from Baltimore to Denver around 16 times per week, with deals starting from $195 round-trip and rising to an average price of around $383.

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Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Denver?

Finding the right flight to Denver from Baltimore is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Denver quick and easy, saving you time and money.

Can I find flights from Baltimore to Denver with flexible booking policies on momondo?

Flights from Baltimore to Denver with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Baltimore to Denver?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Baltimore to Denver.

I’m not ready to book a flight from Baltimore to Denver right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Denver from Baltimore. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Baltimore to Denver from $91

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Denver departing on 9/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Filter for what you want

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Find the cheapest flights from Baltimore to Denver (BWI-DEN)

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Frontier flights from Baltimore to Denver

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See travel insights to Denver from

How to get the cheapest flight ticket from Baltimore to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Denver?

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Wednesday when prices can be found for as low as $300. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $369.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $259. Flights in the evening are often more expensive with an average ticket price of $374.

What is the cheapest Baltimore/Washington to Denver Intl flight route?

Fly from Baltimore/Washington to Denver Intl for the best Baltimore/Washington - Denver Intl flight prices

How far in advance should I book a flight to Denver?

What cabin class options are available on Baltimore/Washington to Denver Intl flights?

There are 4 cabin classes available to choose from on Baltimore/Washington to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Baltimore to Denver flight prices changed over time?

As of August 2025, prices for Baltimore to Denver flights are approximately 71% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Baltimore/Washington to Denver Intl?

Frontier, United Airlines, and American Airlines are the most popular carriers operating from Baltimore/Washington to Denver Intl

What airlines fly to Denver?

How many flights depart from Baltimore to Denver on average per day?

As of August 2025, there are 9 flights per day flying from Baltimore to Denver. The most common time of day flights depart is 10:00AM, with 47% of flights taking off at noon.

How many flights depart from Baltimore to Denver on average per week?

68 flights are operational weekly from Baltimore to Denver as of August 2025. The most popular departure day for this route is Mon, with 22% of flights per week taking off on this day.

When to book flights from Baltimore to Denver

Cheap Baltimore to Denver (BWI to DEN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Denver

Best Price Found

Fastest flight time

Direct flights

Airports in Denver

How far is Baltimore/Washington to Denver Intl by plane?

When did momondo last update prices for flights from Baltimore/Washington Airport to Denver Intl Airport?

How many operators does momondo search for flights from Baltimore/Washington Airport to Denver Intl Airport?

How old do you have to be to fly from Baltimore/Washington Airport to Denver Intl Airport?

What documentation or ID do you need to fly to Denver Intl Airport?

What is the most popular plane model from Baltimore to Denver?

What is the most popular airline from Baltimore to Denver?

Best airlines flying from Baltimore to Denver

Compare and see reviews for airlines that fly from Baltimore to Denver with momondo

Southwest Flights From Baltimore to Denver

United Airlines Flights From Baltimore to Denver

Traveling to a place near Denver?

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Denver?

Can I find flights from Baltimore to Denver with flexible booking policies on momondo?

How can momondo help me find flights from Baltimore to Denver?

I’m not ready to book a flight from Baltimore to Denver right now. Can momondo alert me if prices change?

An easier way to manage your Denver trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Colorado