What airlines fly to Idaho Falls?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Idaho Falls from Baltimore according to our data. United Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Idaho Falls. Keep in mind that there are 3 different airlines that fly to Idaho Falls on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Baltimore/Washington to Idaho Falls Fanning Field?

American Airlines, Delta, and United Airlines are the most popular carriers operating from Baltimore/Washington to Idaho Falls Fanning Field

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

Prices for flights from Baltimore/Washington Airport to Idaho Falls Fanning Field Airport refresh daily.

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

As of August 2025, there are 3 operators available to choose from for flights from Baltimore/Washington Airport to Idaho Falls Fanning Field Airport.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to Idaho Falls Fanning Field Airport.

What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

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

$226 Cheap Flights from Baltimore to Idaho Falls in 2025

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Find the cheapest flights from Baltimore to Idaho Falls

Round-trip

One-way

Last minute

Cheap round-trip flights

12:00 pm - 6:14 pmBWI-IDA

8h 14m2 stops

1:05 pm - 11:57 pmIDA-BWI

8h 52m1 stop

$435Delta

Find Deal

Mon, Nov 24 - Fri, Nov 28

6:30 am - 3:59 pmBWI-IDA

11h 29m1 stop

6:33 pm - 11:08 pmIDA-BWI

26h 35m3 stops

$458

Find Deal

Fri, Aug 29 - Mon, Sep 1

8:25 pm - 11:29 amBWI-IDA

17h 04m1 stop

8:16 pm - 7:23 amIDA-BWI

9h 07m1 stop

$459

Find Deal

Tue, Dec 2 - Fri, Dec 12

10:10 am - 3:29 pmBWI-IDA

7h 19m1 stop

5:00 am - 3:14 pmIDA-BWI

8h 14m1 stop

$461United Airlines

Find Deal

Mon, Sep 1 - Fri, Sep 5

8:30 am - 3:29 pmBWI-IDA

8h 59m1 stop

5:00 am - 5:29 pmIDA-BWI

10h 29m2 stops

$466United Airlines

Find Deal

Mon, Sep 1 - Fri, Sep 5

7:15 am - 12:29 pmBWI-IDA

7h 14m1 stop

1:05 pm - 11:57 pmIDA-BWI

8h 52m1 stop

$475Delta

Find Deal

Mon, Nov 24 - Fri, Nov 28

7:15 am - 12:26 pmBWI-IDA

7h 11m1 stop

6:51 pm - 6:00 amIDA-BWI

9h 09m1 stop

$493Delta

Find Deal

Sat, Sep 20 - Sat, Sep 27

5:02 am - 12:16 pmBWI-IDA

9h 14m2 stops

6:44 am - 11:02 pmIDA-BWI

14h 18m2 stops

$496American Airlines

Find Deal

Mon, Sep 1 - Fri, Sep 5

6:00 am - 12:24 pmBWI-IDA

8h 24m1 stop

6:44 am - 6:33 pmIDA-BWI

9h 49m1 stop

$591American Airlines

Find Deal

Sat, Sep 20 - Thu, Sep 25

7:00 am - 12:02 amBWI-IDA

19h 02m1 stop

4:00 pm - 5:45 amIDA-BWI

11h 45m1 stop

$596Alaska Airlines

Find Deal

Fri, Nov 28 - Fri, Dec 12

United Airlines flights from Baltimore to Idaho Falls

Our best United Airlines deals on Baltimore to Idaho Falls flight tickets

United Airlines

Sep 1

BWI10:10 amBaltimore/Washington

7h 19m

1 stop

IDA3:29 pmIdaho Falls Fanning Field

Sep 5

IDA5:00 amIdaho Falls Fanning Field

8h 14m

1 stop

BWI3:14 pmBaltimore/Washington

$461

Find similar

United Airlines

Sep 1

BWI8:30 amBaltimore/Washington

8h 59m

1 stop

IDA3:29 pmIdaho Falls Fanning Field

Sep 5

IDA5:00 amIdaho Falls Fanning Field

10h 29m

2 stops

BWI5:29 pmBaltimore/Washington

$466

Find similar

United Airlines

Sep 20

BWI10:51 amBaltimore/Washington

8h 32m

2 stops

IDA5:23 pmIdaho Falls Fanning Field

Sep 27

IDA2:35 pmIdaho Falls Fanning Field

6h 43m

1 stop

BWI11:18 pmBaltimore/Washington

$502

Find similar

Delta flights from Baltimore to Idaho Falls

Our best Delta deals on Baltimore to Idaho Falls flight tickets

Delta

Nov 24

BWI12:00 pmBaltimore/Washington

8h 14m

2 stops

IDA6:14 pmIdaho Falls Fanning Field

Nov 28

IDA1:05 pmIdaho Falls Fanning Field

8h 52m

1 stop

BWI11:57 pmBaltimore/Washington

$435

Find similar

Delta

Nov 24

BWI7:15 amBaltimore/Washington

7h 14m

1 stop

IDA12:29 pmIdaho Falls Fanning Field

Nov 28

IDA1:05 pmIdaho Falls Fanning Field

8h 52m

1 stop

BWI11:57 pmBaltimore/Washington

$475

Find similar

Delta

Sep 20

BWI7:15 amBaltimore/Washington

7h 11m

1 stop

IDA12:26 pmIdaho Falls Fanning Field

Sep 27

IDA6:51 pmIdaho Falls Fanning Field

9h 09m

1 stop

BWI6:00 amBaltimore/Washington

$493

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Mon 11/24

12:00 pm-6:14 pm

2 stops8h 14m

Idaho Falls Fanning Field

Fri 11/28

1:05 pm-11:57 pm

1 stop8h 52m

$435

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Fri 8/29

6:30 am-3:59 pm

1 stop11h 29m

Idaho Falls Fanning Field

Mon 9/1

6:33 pm-11:08 pm

3 stops26h 35m

$458

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Tue 12/2

8:25 pm-11:29 am

1 stop17h 04m

Idaho Falls Fanning Field

Fri 12/12

8:16 pm-7:23 am

1 stop9h 07m

$459

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Mon 9/1

10:10 am-3:29 pm

1 stop7h 19m

Idaho Falls Fanning Field

Fri 9/5

5:00 am-3:14 pm

1 stop8h 14m

$461

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Mon 9/1

8:30 am-3:29 pm

1 stop8h 59m

Idaho Falls Fanning Field

Fri 9/5

5:00 am-5:29 pm

2 stops10h 29m

$466

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Mon 11/24

7:15 am-12:29 pm

1 stop7h 14m

Idaho Falls Fanning Field

Fri 11/28

1:05 pm-11:57 pm

1 stop8h 52m

$475

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sat 9/20

7:15 am-12:26 pm

1 stop7h 11m

Idaho Falls Fanning Field

Sat 9/27

6:51 pm-6:00 am

1 stop9h 09m

$493

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Mon 9/1

5:02 am-12:16 pm

2 stops9h 14m

Idaho Falls Fanning Field

Fri 9/5

6:44 am-11:02 pm

2 stops14h 18m

$496

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Sat 9/20

6:00 am-12:24 pm

1 stop8h 24m

Idaho Falls Fanning Field

Thu 9/25

6:44 am-6:33 pm

1 stop9h 49m

$591

BaltimoreIdaho Falls

BWI - IDA

BWIIDA

Baltimore/Washington

Fri 11/28

7:00 am-12:02 am

1 stop19h 02m

Idaho Falls Fanning Field

Fri 12/12

4:00 pm-5:45 am

1 stop11h 45m

$596

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

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

Prices

Airlines

What is the cheapest month to fly to Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of April, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $489.

What is the cheapest day to depart on your flight to Idaho Falls?

Our data shows that Saturday is the least expensive day to fly to Idaho Falls. Tickets to fly out on this day can be as low as $562. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Idaho Falls on Sunday is $870.

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

Our most recent data shows that the best time of day to fly to Idaho Falls is in the morning. Flights from Baltimore to Idaho Falls during this time can be as low as $716. Try not to purchase tickets in the afternoon because they tend to be around $758. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Baltimore to Idaho Falls

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

Estimated round-trip price

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

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

Best Price Found	$226
Fastest flight time	6h 34m
Direct flights	None
Airports in Idaho Falls	1 airport

The best one-way flight to Idaho Falls from Baltimore in the past 72 hours is $226. The best round-trip flight deal from Baltimore to Idaho Falls found on momondo in the last 72 hours is $435.

The fastest flight from Baltimore to Idaho Falls takes 6h 34m

There are no direct flights from Baltimore to Idaho Falls. Popular non-direct route for this connection is Baltimore/Washington Airport - Idaho Falls Fanning Field Airport.

There is 1 airport near Idaho Falls: Idaho Falls Fanning Field (IDA)

Search flight deals

How far is Baltimore/Washington to Idaho Falls Fanning Field by plane?
There are 1843.5 mi between Baltimore/Washington and Idaho Falls Fanning Field. In terms of flight time, this usually takes a little over 6h 34m.
When did momondo last update prices for flights from Baltimore/Washington Airport to Idaho Falls Fanning Field Airport?
Prices for flights from Baltimore/Washington Airport to Idaho Falls Fanning Field Airport refresh daily.
How many operators does momondo search for flights from Baltimore/Washington Airport to Idaho Falls Fanning Field Airport?
As of August 2025, there are 3 operators available to choose from for flights from Baltimore/Washington Airport to Idaho Falls Fanning Field Airport.
How old do you have to be to fly from Baltimore/Washington Airport to Idaho Falls Fanning Field Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to Idaho Falls Fanning Field Airport.
What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?
The travel and health documents you'll need for your trip to Idaho Falls Fanning Field 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 Idaho Falls Fanning Field 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 Baltimore to Idaho Falls?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Baltimore to Idaho Falls is United Airlines (59% of total bookings). The next most popular airlines are Delta (25%) and American Airlines (16%).

Best airlines flying from Baltimore to Idaho Falls

Compare and see reviews for airlines that fly from Baltimore to Idaho Falls with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $334	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $334	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
United Airlines	PriceFrom $466	Free Cancellation	Rating 7.4 8,925 reviews	Search United Airlines flights

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Baltimore to Idaho Falls. momondo saves you time and could save you money on your trip.

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

Flights from Baltimore to Idaho Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Baltimore and Idaho Falls by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Idaho Falls from Baltimore. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Idaho Falls trip

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Cheap flights from Baltimore to Idaho Falls from $226

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 Idaho Falls departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Baltimore to Idaho Falls

Cheap round-trip flights

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Cheap last minute flights

United Airlines flights from Baltimore to Idaho Falls

Our best United Airlines deals on Baltimore to Idaho Falls flight tickets

Delta flights from Baltimore to Idaho Falls

Our best Delta deals on Baltimore to Idaho Falls flight tickets

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Use the filters below to find and compare flights from Baltimore to Idaho Falls that are best for you.

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

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 Idaho Falls?

If you aren’t able to travel to Idaho Falls during the month of April, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $489.

What is the cheapest day to depart on your flight to Idaho Falls?

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

What is the cheapest airline that flies from Baltimore/Washington to Idaho Falls Fanning Field?

American Airlines, Delta, and United Airlines are the most popular carriers operating from Baltimore/Washington to Idaho Falls Fanning Field

What airlines fly to Idaho Falls?

When to book flights from Baltimore to Idaho Falls

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in Idaho Falls

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

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

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

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

What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

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

Best airlines flying from Baltimore to Idaho Falls

Compare and see reviews for airlines that fly from Baltimore to Idaho Falls with momondo

Traveling to a place near Idaho Falls?

Why use momondo?

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

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

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

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

An easier way to manage your Idaho Falls 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Idaho