Cheap flights from Baltimore to Denver from $124 BWI → DEN
Baltimore/Wash International Thurgood Marshall Airport (BWI) → Denver International Airport (DEN)
The cheapest return found recently is $236 with Frontier Airlines, 6 Jan 2027 – 11 Jan 2027, found yesterday. The cheapest one-way found recently is $124 with Frontier Airlines, 1 Feb 2027, found today.
- Cheapest one-way found recently
- $124, found today
- Cheapest return found recently
- $236, 6 Jan 2027 to 11 Jan 2027
- Cheapest month to fly
- January 2027, return fares from $236 found in the last 7 days
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
$236
6 Jan 2027 – 11 Jan 2027 · Frontier Airlines
Baltimore/Wash International Thurgood Marshall Airport (BWI) → Denver International Airport (DEN)
Leaves 2:37 p.m. · Return leaves 7:18 a.m. · 48 h 19 min of travel, both ways together
out 2 stops, back 2 stops
found yesterday
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$236 6 Jan 2027 – 11 Jan 2027found yesterdaySee prices for these dates
It is also the cheapest return we hold, of any age.
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $144 to $286.
Those were the prices on those days, not today's.
Is this a good return price?
Not enough comparable prices yet: we hold return fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 5-night return fares leaving within 3 days of 6 Jan 2027 to compare.
Every date we hold
4 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 23 Nov – 30 Nov | $355 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Denver International Airport (DEN) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 6 Jan 2027 – 11 Jan 2027 | $236 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Denver International Airport (DEN) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $236.
Airlines on the cheapest dates: Frontier Airlines.
One-way
The cheapest one-way fare on each of 3 departure dates is usually $129 to $162.
Cheapest one-way found recently
$124
1 Feb 2027 · Frontier Airlines
Baltimore/Wash International Thurgood Marshall Airport (BWI) → Denver International Airport (DEN)
Leaves 6:59 p.m. · 43 h 41 min trip
2 stops
found today
Cheapest nonstop one-way
None seen yet.
Found recently, and the cheapest we hold
$124 1 Feb 2027found todayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 22 days, 25 Sept to 11 Nov, the cheapest one-way we saw each day was $46 to $190.
22 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Compared with the cheapest one-way fare on each of 3 departure dates from 30 Nov to 1 Mar 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 1 Feb 2027 to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 30 Nov | $190 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Denver International Airport (DEN) | 1 stop | found 6 days ago | Open this trip |
| 1 Feb 2027 | $124 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Denver International Airport (DEN) | 2 stops | found today | Open this trip |
| 1 Mar 2027 | $133 | Frontier Airlines | Baltimore/Wash International Thurgood Marshall Airport (BWI) → Denver International Airport (DEN) | 2 stops | found today | Open this trip |
Which month looks cheapest?
February 2027 is the cheapest month — from $124.
Airlines on the cheapest dates: Frontier Airlines.
Premium cabin fares from Baltimore to Denver
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 6 Jan 2027 – 11 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 1 Feb 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Baltimore to Denver?
Return
Fares 60 to 89 days before departure were typically 51% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (50 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $403 | $343 | +103% | 10 |
| 7–13 days | $256 | $254 | +29% | 13 |
| 14–29 days | $256 | $256 | +29% | 9 |
| 30–59 days | $293 | $217 | +48% | 13 |
| 60–89 days | $199 | $144 | Cheapest seen | 32 |
| 90–179 days | $443 | $197 | +123% | 35 |
One-way
Not enough history yet: in 22 days of one-way prices, 25 Sept to 11 Nov, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Philadelphia → Denver
145 km from Baltimore
$213
$23 less than flying from Baltimore
7 Jan 2027 – 12 Jan 2027 · PHL → DEN · out 1 stop, back 1 stop
found yesterday
Washington → Denver
57 km from Baltimore
$355
$119 more than flying from Baltimore
23 Nov – 30 Nov · IAD → DEN · out 1 stop, back 1 stop
found yesterday
Baltimore → Colorado Springs
102 km from Denver
$512
$276 more than flying to Denver
1 Jun 2027 – 8 Jun 2027 · BWI → COS · out 1 stop, back 1 stop
found 2 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Washington → Denver
57 km from Baltimore
$185
$61 more than flying from Baltimore
30 Nov · IAD → DEN · 1 stop
found 2 days ago
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 6 Jan 2027 – 11 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from Baltimore to Denver?
The cheapest return found recently is $236 with Frontier Airlines, 6 Jan 2027 to 11 Jan 2027, found yesterday.
How much is a one-way flight from Baltimore to Denver?
The cheapest one-way found recently is $124 with Frontier Airlines, 1 Feb 2027, found today. The cheapest one-way fare on each of 3 departure dates is usually $129 to $162.
What is the cheapest month to fly from Baltimore to Denver?
January 2027 is the cheapest month for a return, from $236, 6 Jan 2027 to 11 Jan 2027, found yesterday. February 2027 is the cheapest month for a one-way, from $124, 1 Feb 2027, found today.
How far ahead should I book a flight from Baltimore to Denver?
In 50 days of prices between 24 Sept and 12 Nov, return fares 60 to 89 days before departure were typically 51% lower than 0 to 6 days before departure.
How long is the flight from Baltimore to Denver?
The cheapest one-way found recently, with Frontier Airlines on 1 Feb 2027, takes 43 h 41 min with 2 stops.
Which airlines have the cheapest flights from Baltimore to Denver?
Between 30 Nov and 1 Mar 2027, Frontier Airlines has the cheapest one-way on all 3 departure dates we hold.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work