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Baltimore to Las Vegas BWI → LAS

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

The cheapest return found recently is $391 with Frontier Airlines, 27 Oct – 9 Nov, found 2 days ago. The cheapest one-way found recently is $73 with Frontier Airlines, 15 Dec, found yesterday.

Return

The cheapest return fare on each of 8 departure dates is usually $276 to $522.

Cheapest return found recently

$391

27 Oct – 9 Nov · Frontier Airlines

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

Leaves 4:59 p.m. · Return leaves 9:46 p.m. · 26 h 30 min of travel, both ways together

out 1 stop, back 1 stop

found 2 days ago

See prices for these datesCheck today's price

Cheapest nonstop return

$535

26 Dec – 31 Dec · Southwest Airlines

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

Leaves 9:50 p.m. · Return leaves 10:39 p.m. · 9 h 48 min of travel, both ways together

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

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Found recently, and the cheapest we hold

Cheapest found recently $391 27 Oct – 9 Novfound 2 days agoSee prices for these dates

Cheapest we hold, of any age $229 10 Nov – 11 Novfound 5 days agoSee prices for these dates

What have prices looked like?

Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $184 to $338.

At $391, the cheapest return found recently is above that range.

25 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 return price?

Compared with the cheapest return fare on each of 8 departure dates from 27 Oct to 3 May 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 13-night return fares leaving within 3 days of 27 Oct to compare.

Every date we hold

8 fares on 8 departure dates

27 Oct – 9 Nov: $391, found 2 days ago3 Nov – 5 Nov: $254, found 4 days ago10 Nov – 11 Nov: $229, found 5 days ago26 Dec – 31 Dec: $535, found 2 days ago29 Jan 2027 – 31 Jan 2027: $323, found 4 days ago9 Feb 2027 – 16 Feb 2027: $283, found 6 days ago17 Mar 2027 – 22 Mar 2027: $518, found 2 days ago3 May 2027 – 12 May 2027: $551, found 6 days agoOctNovDecJanFebMarMay
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
27 Oct – 9 Nov$391Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
3 Nov – 5 Nov$254Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)out 2 stops, back 2 stopsfound 4 days agoSee prices for these dates
10 Nov – 11 Nov$229Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)out 2 stops, back 2 stopsfound 5 days agoSee prices for these dates
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
29 Jan 2027 – 31 Jan 2027$323Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)out 1 stop, back 1 stopfound 4 days agoSee prices for these dates
9 Feb 2027 – 16 Feb 2027$283Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)out 1 stop, back 1 stopfound 6 days agoSee prices for these dates
17 Mar 2027 – 22 Mar 2027$518Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)out 1 stop, back nonstopfound 2 days agoSee prices for these dates
3 May 2027 – 12 May 2027$551jetBlueBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)out 1 stop, back 1 stopfound 6 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 datesEvery date in December 2026
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

Airlines on the cheapest dates: Frontier Airlines, Southwest Airlines, jetBlue.

One-way

The cheapest one-way fare on each of 12 departure dates 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)

Leaves 8:41 p.m. · 30 h 17 min trip

2 stops

found yesterday

Open this tripCheck today's price

Cheapest nonstop one-way

None seen yet.

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Found recently, and the cheapest we hold

Cheapest found recently $73 15 Decfound yesterdayOpen this trip

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

What have prices looked like?

Over 20 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $73 to $311.

At $73, the cheapest one-way found recently is at the low end of that range.

20 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 12 departure dates from 11 Nov to 2 Jan 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?

No. We hold one-way fares on 3 other departure dates within 3 days of 15 Dec, and none is cheaper.

Every date we hold

14 fares on 12 departure dates

11 Nov: $93, found 5 days ago9 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 ago2 Jan 2027: $240, found 4 days agoNovDecJan
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
11 Nov$93Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)2 stopsfound 5 days agoOpen this trip
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
2 Jan 2027$240Frontier AirlinesBaltimore/Wash International Thurgood Marshall Airport (BWI) → McCarran International Airport (LAS)1 stopfound 4 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 tripEvery date in December 2026
January 2027From $2401 departure date2 Jan 2027 · found 4 days agoOpen this trip

Airlines on the cheapest dates: Frontier Airlines.

Premium cabin fares from Baltimore to Las Vegas

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 27 Oct – 9 Nov in another cabin: Premium economy · Business · First

Today's prices for 15 Dec in another cabin: Premium economy · Business · First

How far ahead were prices cheapest for Baltimore to Las Vegas?

Return

Fares 7 to 13 days before departure were typically 41% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 18 Oct (25 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
Typical price in each booking range — round trip, per traveler in Economy.
Booked ahead byTypical fareCheapest dayAbove the cheapestDays of prices
0–6 days$358$213+68%8
7–13 days$213$213Cheapest seen11
14–29 days$262$184+23%24
30–59 days$258$211+21%10
90–179 days$285$190+34%23

One-way

The cheapest fares were 14 to 29 days before departure.

From the cheapest one-way each day between 24 Sept and 18 Oct (20 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
Typical price in each booking range — one way, per traveler in Economy.
Booked ahead byTypical fareCheapest dayAbove the cheapestDays of prices
14–29 days$118$93Cheapest seen13
30–59 days$120$73+2%7
60–89 days$130$88+10%7
180+ days$304$300+158%14

Could a nearby airport be cheaper?

A different airport at either end can change the fare — sometimes a lot.

Return

Philadelphia → Las Vegas

145 km from Baltimore

$231

$160 less than flying from Baltimore

27 Jan 2027 – 31 Jan 2027 · PHL → LAS · out 2 stops, back 2 stops

found today

See this route

Washington → Las Vegas

57 km from Baltimore

$388

$3 less than flying from Baltimore

17 Mar 2027 – 22 Mar 2027 · IAD → LAS · out nonstop, back nonstop

found 2 days ago

See this route

Harrisburg → Las Vegas

105 km from Baltimore

$504

$113 more than flying from Baltimore

29 Jan 2027 – 31 Jan 2027 · MDT → LAS · out 1 stop, back 1 stop

found 4 days ago

Check today's price

Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.

One-way

Washington → Las Vegas

57 km from Baltimore

$149

$76 more than flying from Baltimore

2 Jan 2027 · IAD → LAS · nonstop

found 4 days ago

See this route

Philadelphia → Las Vegas

145 km from Baltimore

$149

$76 more than flying from Baltimore

5 Jan 2027 · PHL → LAS · 1 stop

found 3 days ago

See this route

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 27 Oct – 9 Nov. A live search on this page shows what those dates cost now, for one adult in economy.

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