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Cheap flights from Baltimore to the United States from $38

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 the United States departing on 9/15. 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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Find the cheapest flights from Baltimore to the United States

Cheap round-trip flights

Frontier Logo
10:00 am - 12:01 pmBWI-ATL
2h 01mnonstop
Frontier Logo
10:00 pm - 11:53 pmATL-BWI
1h 53mnonstop
$71Frontier
Find Deal
Thu, Oct 9 - Tue, Oct 14
Logo
5:13 pm - 7:12 pmBWI-ATL
1h 59mnonstop
Logo
5:13 pm - 7:10 pmATL-BWI
1h 57mnonstop
$73
Find Deal
Sat, Sep 13 - Mon, Sep 15
Spirit Airlines Logo
4:51 pm - 7:43 pmBWI-MIA
2h 52mnonstop
Spirit Airlines Logo
8:48 pm - 11:37 pmMIA-BWI
2h 49mnonstop
$74Spirit Airlines
Find Deal
Mon, Sep 22 - Mon, Sep 29
Spirit Airlines Logo
4:51 pm - 7:43 pmBWI-MIA
2h 52mnonstop
Spirit Airlines Logo
8:50 pm - 11:35 pmMIA-BWI
2h 45mnonstop
$75Spirit Airlines
Find Deal
Mon, Sep 29 - Mon, Oct 6
Delta Logo
9:00 am - 10:37 amBWI-BOS
1h 37mnonstop
Delta Logo
6:20 am - 8:12 amBOS-BWI
1h 52mnonstop
$151Delta
Find Deal
Wed, Oct 29 - Tue, Nov 4
Delta Logo
6:18 am - 8:00 amBWI-BOS
1h 42mnonstop
Delta Logo
7:44 pm - 9:31 pmBOS-BWI
1h 47mnonstop
$156Delta
Find Deal
Sat, Nov 1 - Wed, Nov 5
American Airlines Logo
10:05 am - 4:17 pmBWI-BOS
6h 12m1 stop
American Airlines Logo
12:03 pm - 7:29 pmBOS-BWI
7h 26m1 stop
$171American Airlines
Find Deal
Tue, Sep 30 - Tue, Oct 7
Southwest Logo
6:40 am - 8:10 amBWI-BOS
1h 30mnonstop
Southwest Logo
9:40 pm - 11:10 pmBOS-BWI
1h 30mnonstop
$174Southwest
Find Deal
Wed, Oct 1 - Mon, Oct 6
American Airlines Logo
6:41 pm - 11:44 pmBWI-BOS
5h 03m1 stop
American Airlines Logo
8:51 am - 1:58 pmBOS-BWI
5h 07m1 stop
$176American Airlines
Find Deal
Wed, Oct 1 - Sat, Oct 4
Southwest Logo
9:45 am - 12:20 pmBWI-HOU
3h 35mnonstop
Southwest Logo
3:30 pm - 7:25 pmHOU-BWI
2h 55mnonstop
$177Southwest
Find Deal
Wed, Dec 3 - Sat, Dec 6

Spirit Airlines flights from Baltimore to United States

Our best Spirit Airlines deals on Baltimore to United States flight tickets
Spirit Airlines
Sep 22
BWI4:51 pmBaltimore/Washington
2h 52m
MIA7:43 pmMiami
Sep 29
MIA8:48 pmMiami
2h 49m
BWI11:37 pmBaltimore/Washington
$74
Find similar
Spirit Airlines
Sep 29
BWI4:51 pmBaltimore/Washington
2h 52m
MIA7:43 pmMiami
Oct 6
MIA8:50 pmMiami
2h 45m
BWI11:35 pmBaltimore/Washington
$75
Find similar
Spirit Airlines
Oct 3
BWI4:51 pmBaltimore/Washington
2h 52m
MIA7:43 pmMiami
Oct 6
MIA8:50 pmMiami
2h 45m
BWI11:35 pmBaltimore/Washington
$76
Find similar

Frontier flights from Baltimore to United States

Our best Frontier deals on Baltimore to United States flight tickets
Frontier
Oct 9
BWI10:00 amBaltimore/Washington
2h 01m
ATL12:01 pmAtlanta Hartsfield-Jackson
Oct 14
ATL10:00 pmAtlanta Hartsfield-Jackson
1h 53m
BWI11:53 pmBaltimore/Washington
$71
Find similar
Frontier
Sep 8
BWI6:22 amBaltimore/Washington
2h 15m
ATL8:37 amAtlanta Hartsfield-Jackson
Oct 3
ATL10:20 pmAtlanta Hartsfield-Jackson
1h 57m
BWI12:17 amBaltimore/Washington
$72
Find similar
Frontier
Oct 31
BWI6:00 amBaltimore/Washington
2h 12m
ATL8:12 amAtlanta Hartsfield-Jackson
Nov 5
ATL4:36 pmAtlanta Hartsfield-Jackson
1h 53m
BWI6:29 pmBaltimore/Washington
$74
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore to United States that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 31, 2025.
Use the filters below to find and compare flights from Baltimore to the United States that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreAtlanta

BWI - ATL

BWIATL

Baltimore/Washington

Thu 10/9

10:00 am-12:01 pm

Nonstop2h 01m

Atlanta Hartsfield-Jackson

Tue 10/14

10:00 pm-11:53 pm

Nonstop1h 53m

$71

BaltimoreAtlanta

BWI - ATL

BWIATL

Baltimore/Washington

Sat 9/13

5:13 pm-7:12 pm

Nonstop1h 59m

Atlanta Hartsfield-Jackson

Mon 9/15

5:13 pm-7:10 pm

Nonstop1h 57m

$73

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Mon 9/22

4:51 pm-7:43 pm

Nonstop2h 52m

Miami

Mon 9/29

8:48 pm-11:37 pm

Nonstop2h 49m

$74

BaltimoreMiami

BWI - MIA

BWIMIA

Baltimore/Washington

Mon 9/29

4:51 pm-7:43 pm

Nonstop2h 52m

Miami

Mon 10/6

8:50 pm-11:35 pm

Nonstop2h 45m

$75

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 10/29

9:00 am-10:37 am

Nonstop1h 37m

Boston Logan Intl

Tue 11/4

6:20 am-8:12 am

Nonstop1h 52m

$151

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 11/1

6:18 am-8:00 am

Nonstop1h 42m

Boston Logan Intl

Wed 11/5

7:44 pm-9:31 pm

Nonstop1h 47m

$156

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 9/30

10:05 am-4:17 pm

1 stop6h 12m

Boston Logan Intl

Tue 10/7

12:03 pm-7:29 pm

1 stop7h 26m

$171

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 10/1

6:40 am-8:10 am

Nonstop1h 30m

Boston Logan Intl

Mon 10/6

9:40 pm-11:10 pm

Nonstop1h 30m

$174

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Wed 10/1

6:41 pm-11:44 pm

1 stop5h 03m

Boston Logan Intl

Sat 10/4

8:51 am-1:58 pm

1 stop5h 07m

$176

BaltimoreHouston

BWI - HOU

BWIHOU

Baltimore/Washington

Wed 12/3

9:45 am-12:20 pm

Nonstop3h 35m

Houston Hobby

Sat 12/6

3:30 pm-7:25 pm

Nonstop2h 55m

$177

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to the United States from

How to get the cheapest flight ticket from Baltimore to United States

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 United States?

In general, March is the cheapest month to fly from Baltimore to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $199. If you aren’t able to travel during the month of March, then book flights to United States from Baltimore during June instead. Flights to United States in June, while not as cheap as those in March, still average around $239.

What is the cheapest day to depart on your flight to United States?

According to our data, Monday is the cheapest day to fly to United States from Baltimore. The lowest ticket price found for a Monday departure recently was $480. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $689. These prices are subject to change though, so be sure to set up a Price Alert for flights to United States.

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

The cheapest time of day to fly to United States is in the morning when flights can be purchased for as low as $581. Try not to purchase tickets in the afternoon because they tend to be around $723. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Baltimore/Washington to United States flight route?

Fly from Baltimore/Washington to Miami for the best Baltimore/Washington - United States flight prices

What cabin class options are available on Baltimore/Washington to United States flights?

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

Can stopping save me money on Baltimore to United States flights?

No. A direct flight is the cheapest option for a flight between Baltimore to United States.

Cheap Baltimore to United States flight deals and tips

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

Best Price Found

$38

Fastest flight time

1h 30m

Direct flights

Every day

Airports in United States

1 airport
The best one-way flight to United States from Baltimore in the past 72 hours is $38. The best round-trip flight deal from Baltimore to United States found on momondo in the last 72 hours is $76.
The fastest flight from Baltimore to United States takes 1h 30m
Direct flights go from Baltimore to United States every day.
There is 1 airport near United States: Boston Logan Intl (BOS)
Search flight deals

  • When did momondo last update prices for flights from Baltimore/Washington Airport to United States?

    Prices for flights from Baltimore/Washington Airport to United States refresh daily.

  • How many operators does momondo search for flights from Baltimore/Washington Airport to United States?

  • How old do you have to be to fly from Baltimore/Washington Airport to United States?

    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 United States.

  • What documentation or ID do you need to fly to United States?

    The travel and health documents you'll need for your trip to United States may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Baltimore to United States?

Best airlines flying from Baltimore to United States

Compare and see reviews for airlines that fly from Baltimore to United States with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $48Free CancellationRating
6.3
8,013 reviews
Search Spirit Airlines flights
FrontierPriceFrom $58Free CancellationRating
5.8
3,202 reviews
Search Frontier flights
JetBluePriceFrom $88Free CancellationRating
7.2
2,920 reviews
Search JetBlue flights
DeltaPriceFrom $93Free CancellationRating
7.9
7,976 reviews
Search Delta flights
United AirlinesPriceFrom $137Free CancellationRating
7.4
8,941 reviews
Search United Airlines flights
Sun Country AirPriceFrom $155Free CancellationRating
6.9
330 reviews
Search Sun Country Air flights
SouthwestPriceFrom $161Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
American AirlinesPriceFrom $167Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $266Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Baltimore to United States for you.

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

Yes. momondo allows you to filter the results for Baltimore to United States flights to just show those with flexible booking policies.

How can momondo help me find flights from Baltimore to United States?

momondo provides multiple filters to help you find the best flight to United States from Baltimore. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to United States, momondo offers a useful price alert feature which will track prices for flights to United States from Baltimore and alert you when they change.

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Fri 9/5
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