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Baltimore to Las Vegas in December 2026 BWI → LAS

Baltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)

For departures in December 2026, the cheapest return found recently is $535 with Southwest Airlines, 26 Dec – 31 Dec, found 2 days ago. The cheapest one-way found recently is $73 with Frontier Airlines, 15 Dec, found yesterday.

Return

We hold return fares on only 1 departure date in December 2026, too few to say what one usually costs.

Cheapest return found recently

$535

26 Dec – 31 Dec · Southwest Airlines

Baltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
26 Dec – 31 Dec$535Southwest Airlinesout nonstop, back nonstopfound 2 days agoSee prices for these dates

Every date we hold

1 departure date

See every date as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
26 Dec – 31 Dec$535Southwest AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

November 2026 is the cheapest month — from $229.

October 2026From $3911 departure date27 Oct – 9 Nov · found 2 days agoSee prices for these dates
November 2026From $229Cheapest seen2 departure dates10 Nov – 11 Nov · found 5 days agoSee prices for these dates
December 2026From $5351 departure date26 Dec – 31 Dec · found 2 days agoSee prices for these dates
January 2027From $3231 departure date29 Jan 2027 – 31 Jan 2027 · found 4 days agoSee prices for these dates
February 2027From $2831 departure date9 Feb 2027 – 16 Feb 2027 · found 6 days agoSee prices for these dates
March 2027From $5181 departure date17 Mar 2027 – 22 Mar 2027 · found 2 days agoSee prices for these dates
May 2027From $5511 departure date3 May 2027 – 12 May 2027 · found 6 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 10 departure dates is usually $97 to $158. Across all 12 departure dates we hold on this route, it is usually $93 to $160.

Cheapest one-way found recently

$73

15 Dec · Frontier Airlines

Baltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)

2 stops

found yesterday

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

FareTell may earn a commission when you book through a partner.

The cheapest dates in December 2026

DatesFromAirlineStopsFound
15 Dec$73Frontier Airlines2 stopsfound yesterdayOpen this trip
16 Dec$88Frontier Airlinesstops unknownfound 3 days agoOpen this trip
9 Dec$91Frontier Airlines1 stopfound 2 days agoOpen this trip
14 Dec$115Frontier Airlines2 stopsfound 5 days agoOpen this trip
21 Dec$130Frontier Airlines2 stopsfound 2 days agoOpen this trip

Every date we hold

10 departure dates

9 Dec: $91, found 2 days ago14 Dec: $115, found 5 days ago15 Dec: $73, found yesterday16 Dec: $88, found 3 days ago17 Dec: $161, found 3 days ago21 Dec: $130, found 2 days ago22 Dec: $150, found 2 days ago24 Dec: $160, found 3 days ago25 Dec: $130, found 3 days ago30 Dec: $166, found 5 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
9 Dec$91Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)1 stopfound 2 days agoOpen this trip
14 Dec$115Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)2 stopsfound 5 days agoOpen this trip
15 Dec$73Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)2 stopsfound yesterdayOpen this trip
16 Dec$88Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)stops unknownfound 3 days agoOpen this trip
17 Dec$161Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)1 stopfound 3 days agoOpen this trip
21 Dec$130Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)2 stopsfound 2 days agoOpen this trip
22 Dec$150Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)1 stopfound 2 days agoOpen this trip
24 Dec$160Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)1 stopfound 3 days agoOpen this trip
25 Dec$130Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)2 stopsfound 3 days agoOpen this trip
30 Dec$166Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)2 stopsfound 5 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $73.

November 2026From $931 departure date11 Nov · found 5 days agoOpen this trip
December 2026From $73Cheapest seen10 departure dates15 Dec · found yesterdayOpen this trip
January 2027From $2401 departure date2 Jan 2027 · found 4 days agoOpen this trip

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