Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Idaho Falls to Washington, D.C. from $246

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Washington, D.C. departing on 1/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Idaho Falls to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:58 pm - 6:14 pm
IDA
-
BWI
21h 16m1 stop
Alaska Airlines Logo
7:14 pm - 6:18 pm
BWI
-
IDA
25h 04m1 stop
$413Alaska Airlines
Mon, Jan 26 - Fri, Jan 30
Delta Logo
6:50 pm - 6:03 am
IDA
-
BWI
9h 13m1 stop
Delta Logo
7:10 am - 12:27 pm
BWI
-
IDA
7h 17m1 stop
$513Delta
Sat, Apr 18 - Sun, Apr 26
United Airlines Logo
2:40 pm - 11:15 pm
IDA
-
BWI
6h 35m1 stop
United Airlines Logo
8:23 am - 3:31 pm
BWI
-
IDA
9h 08m1 stop
$517United Airlines
Sun, Jan 25 - Fri, Jan 30
Delta Logo
1:15 pm - 11:44 pm
IDA
-
BWI
8h 29m1 stop
Delta Logo
6:05 am - 5:51 pm
BWI
-
IDA
13h 46m2 stops
$519Delta
Wed, Jan 7 - Thu, Jan 15
Delta Logo
6:57 pm - 5:45 am
IDA
-
BWI
8h 48m1 stop
Delta Logo
7:00 am - 12:34 pm
BWI
-
IDA
7h 34m1 stop
$560Delta
Sun, Jan 4 - Thu, Jan 8
Delta Logo
6:57 pm - 5:45 am
IDA
-
BWI
8h 48m1 stop
Delta Logo
8:45 am - 5:51 pm
BWI
-
IDA
11h 06m2 stops
$565Delta
Sun, Jan 4 - Thu, Jan 8
Alaska Airlines Logo
6:58 pm - 11:59 pm
IDA
-
BWI
27h 01m2 stops
Alaska Airlines Logo
7:14 pm - 10:59 pm
BWI
-
IDA
29h 45m1 stop
$568Alaska Airlines
Mon, Jan 26 - Fri, Jan 30
Alaska Airlines Logo
6:58 pm - 6:14 pm
IDA
-
BWI
21h 16m1 stop
Alaska Airlines Logo
7:14 pm - 10:59 pm
BWI
-
IDA
29h 45m1 stop
$572Alaska Airlines
Wed, Jan 7 - Thu, Jan 15
Delta Logo
6:50 pm - 9:15 am
IDA
-
BWI
12h 25m2 stops
Delta Logo
7:10 am - 12:27 pm
BWI
-
IDA
7h 17m1 stop
$573Delta
Sat, Apr 18 - Sun, Apr 26
Alaska Airlines Logo
6:58 pm - 6:14 pm
IDA
-
BWI
21h 16m1 stop
Alaska Airlines Logo
7:14 pm - 6:18 pm
BWI
-
IDA
25h 04m1 stop
$575Alaska Airlines
Wed, Jan 7 - Thu, Jan 15

Alaska Airlines flights from Idaho Falls to Baltimore

Our best Alaska Airlines deals on Idaho Falls to Baltimore flight tickets
Alaska Airlines
Jan 26
IDA6:58 pmIdaho Falls Fanning Field
21h 16m
1 stop
BWI6:14 pmBaltimore/Washington
Jan 30
BWI7:14 pmBaltimore/Washington
25h 04m
1 stop
IDA6:18 pmIdaho Falls Fanning Field
$413
Find similar
Alaska Airlines
Jan 26
IDA6:58 pmIdaho Falls Fanning Field
21h 16m
1 stop
BWI6:14 pmBaltimore/Washington
Jan 30
BWI7:14 pmBaltimore/Washington
25h 04m
1 stop
IDA6:18 pmIdaho Falls Fanning Field
$492
Find similar
Alaska Airlines
Jan 26
IDA6:58 pmIdaho Falls Fanning Field
27h 01m
2 stops
BWI11:59 pmBaltimore/Washington
Jan 30
BWI7:14 pmBaltimore/Washington
29h 45m
1 stop
IDA10:59 pmIdaho Falls Fanning Field
$568
Find similar

United Airlines flights from Idaho Falls to Baltimore

Our best United Airlines deals on Idaho Falls to Baltimore flight tickets
United Airlines
Mar 30
IDA2:30 pmIdaho Falls Fanning Field
6h 54m
1 stop
BWI11:24 pmBaltimore/Washington
Apr 2
BWI8:00 amBaltimore/Washington
7h 24m
1 stop
IDA1:24 pmIdaho Falls Fanning Field
$421
Find similar
United Airlines
Jan 25
IDA2:40 pmIdaho Falls Fanning Field
6h 35m
1 stop
BWI11:15 pmBaltimore/Washington
Jan 30
BWI8:23 amBaltimore/Washington
9h 08m
1 stop
IDA3:31 pmIdaho Falls Fanning Field
$517
Find similar
United Airlines
Mar 30
IDA2:30 pmIdaho Falls Fanning Field
6h 54m
1 stop
BWI11:24 pmBaltimore/Washington
Apr 2
BWI6:05 amBaltimore/Washington
9h 19m
2 stops
IDA1:24 pmIdaho Falls Fanning Field
$535
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls to Baltimore 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 December 21, 2025.
Use the filters below to find and compare flights from Idaho Falls to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Mon 1/26

6:58 pm-6:14 pm

1 stop21h 16m

Baltimore/Washington

Fri 1/30

7:14 pm-6:18 pm

1 stop25h 04m

$413

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Sat 4/18

6:50 pm-6:03 am

1 stop9h 13m

Baltimore/Washington

Sun 4/26

7:10 am-12:27 pm

1 stop7h 17m

$513

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Sun 1/25

2:40 pm-11:15 pm

1 stop6h 35m

Baltimore/Washington

Fri 1/30

8:23 am-3:31 pm

1 stop9h 08m

$517

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Wed 1/7

1:15 pm-11:44 pm

1 stop8h 29m

Baltimore/Washington

Thu 1/15

6:05 am-5:51 pm

2 stops13h 46m

$519

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Sun 1/4

6:57 pm-5:45 am

1 stop8h 48m

Baltimore/Washington

Thu 1/8

7:00 am-12:34 pm

1 stop7h 34m

$560

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Sun 1/4

6:57 pm-5:45 am

1 stop8h 48m

Baltimore/Washington

Thu 1/8

8:45 am-5:51 pm

2 stops11h 06m

$565

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Mon 1/26

6:58 pm-11:59 pm

2 stops27h 01m

Baltimore/Washington

Fri 1/30

7:14 pm-10:59 pm

1 stop29h 45m

$568

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Wed 1/7

6:58 pm-6:14 pm

1 stop21h 16m

Baltimore/Washington

Thu 1/15

7:14 pm-10:59 pm

1 stop29h 45m

$572

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Sat 4/18

6:50 pm-9:15 am

2 stops12h 25m

Baltimore/Washington

Sun 4/26

7:10 am-12:27 pm

1 stop7h 17m

$573

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Wed 1/7

6:58 pm-6:14 pm

1 stop21h 16m

Baltimore/Washington

Thu 1/15

7:14 pm-6:18 pm

1 stop25h 04m

$575

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Idaho Falls to Baltimore

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 day to depart on your flight to Baltimore?

The cheapest day to depart from Idaho Falls to Baltimore is on a Wednesday. Travelers who choose to depart for Baltimore on a Wednesday will often find tickets for as low as $592. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $817. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

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

Flying to Baltimore from Idaho Falls in the evening is the least expensive time of day to depart. momondo users have found prices as low as $625 when looking at flights departing in the evening. Flights in the morning are often more expensive with an average ticket price of $790.

When to book flights from Idaho Falls to Baltimore

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to Baltimore according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to Baltimore (IDA to BWI) flight deals and tips

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

Fastest flight time

6h 25m

Direct flights

None
The fastest flight from Idaho Falls to Baltimore takes 6h 25m
There are no direct flights from Idaho Falls to Baltimore. There are no popular flight routes from Idaho Falls to Baltimore.
Search flight deals

  • How far is Idaho Falls Fanning Field to Baltimore/Washington by plane?

    There are 1843.5 mi between Idaho Falls Fanning Field and Baltimore/Washington. By plane, this route typically takes 6h 25m.

  • When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Baltimore/Washington Airport?

    Prices for flights from Idaho Falls Fanning Field Airport to Baltimore/Washington Airport were last updated today.

  • How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Baltimore/Washington Airport?

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport to Baltimore/Washington Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Baltimore/Washington Airport.

  • What documentation or ID do you need to fly to Baltimore/Washington Airport?

    The travel and health documents you'll need for your trip to Baltimore/Washington Airport 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 Baltimore/Washington Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Idaho Falls to Baltimore?

Best airlines flying from Idaho Falls to Baltimore

Compare and see reviews for airlines that fly from Idaho Falls to Baltimore with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $469Free CancellationRating
7.4
9,099 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Idaho Falls to Baltimore flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Baltimore that suits you.

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

Yes. momondo enables you to select and highlight flights to Baltimore from Idaho Falls with this policy.

How can momondo help me find flights from Idaho Falls to Baltimore?

Once you have performed a search for Idaho Falls to Baltimore flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Idaho Falls to Baltimore flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Baltimore 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 1/20
Tue 1/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States