$180+ Cheap flights from Baltimore to Idaho Falls (BWI - IDA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — IDA
Sep 12 — Sep 191
Round-trip
1 adult, Economy
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Find cheap flights from Baltimore to Idaho Falls with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Baltimore to Idaho Falls
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Cheapest flights from Baltimore to Idaho FallsExplore the most affordable flight options available from Baltimore to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
Explore the most affordable flight options available from Baltimore to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 13, 2026.
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:00 am -
1 stop7h 15m
Tue 1/56:45 pm -
1 stop9h 15m
Deal found 8/13![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:23 am -
1 stop9h 15m
Tue 11/32:35 pm -
1 stop6h 33m
Deal found 8/12![United Airlines logo]()
$375
This Expedia deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:15 pm -
1 stop22h 05m
Wed 9/232:01 pm -
1 stop14h 29m
Deal found 8/11![Alaska Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/317:17 am -
1 stop8h 03m
Tue 11/31:35 pm -
2 stops19h 41m
Deal found 8/12![American Airlines logo]()
$412
This Orbitz deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:43 pm -
1 stop22h 41m
Fri 8/283:57 pm -
1 stop21h 43m
Deal found 8/10![Alaska Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:03 pm -
2 stops12h 29m
Sat 9/56:00 am -
2 stops13h 29m
Deal found 8/11![Delta logo]()
$444
This Orbitz deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:15 pm -
1 stop22h 05m
Thu 10/13:57 pm -
1 stop21h 43m
Deal found 8/12![Alaska Airlines logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:43 pm -
1 stop22h 41m
Mon 9/213:57 pm -
1 stop21h 43m
Deal found 8/13![Alaska Airlines logo]()
$454
This Orbitz deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:43 pm -
2 stops32h 13m
Tue 9/223:57 pm -
1 stop21h 43m
Deal found 8/12![Alaska Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:10 am -
2 stops11h 28m
Sat 11/142:35 pm -
1 stop6h 33m
Deal found 8/12![United Airlines logo]()
$464
Best flights from Baltimore to Idaho FallsDiscover carefully curated flight deals from Baltimore to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
Discover carefully curated flight deals from Baltimore to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 13, 2026.
This Delta deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:00 am -
1 stop7h 15m
Tue 1/56:45 pm -
1 stop9h 15m
Deal found 8/13![Delta logo]()
$359
This Expedia deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:15 pm -
1 stop22h 05m
Wed 9/302:01 pm -
1 stop14h 29m
Deal found 8/8![Alaska Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:10 am -
2 stops11h 28m
Sat 11/142:35 pm -
1 stop6h 33m
Deal found 8/12![United Airlines logo]()
$464
Last-minute flights from Baltimore to Idaho FallsDiscover last-minute flight deals from Baltimore to Idaho Falls. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Baltimore to Idaho Falls. Data last updated August 13, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:43 pm -
1 stop22h 41m
Fri 8/283:57 pm -
1 stop21h 43m
Deal found 8/10![Alaska Airlines logo]()
$429
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:03 am -
1 stop8h 06m
Sat 9/512:06 pm -
1 stop7h 28m
Deal found 8/11![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:00 pm -
2 stops10h 18m
Sat 9/512:33 pm -
1 stop6h 57m
Deal found 8/11![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:03 pm -
2 stops12h 29m
Sat 9/56:00 am -
2 stops13h 29m
Deal found 8/11![Delta logo]()
$444
This Alaska Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:43 pm -
1 stop22h 41m
Mon 9/142:01 pm -
1 stop14h 29m
Deal found 8/11![Alaska Airlines logo]()
$479
This Orbitz deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:43 pm -
2 stops32h 13m
Tue 9/223:57 pm -
1 stop21h 43m
Deal found 8/12![Alaska Airlines logo]()
$459
This Alaska Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:43 pm -
1 stop22h 41m
Mon 9/213:57 pm -
1 stop21h 43m
Deal found 8/13![Alaska Airlines logo]()
$454
This Expedia deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:15 pm -
1 stop22h 05m
Wed 9/232:01 pm -
1 stop14h 29m
Deal found 8/11![Alaska Airlines logo]()
$389
This Expedia deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/217:15 pm -
1 stop22h 05m
Wed 9/303:57 pm -
2 stops12h 33m
Deal found 8/8![Alaska Airlines logo]()
$494
This Orbitz deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:15 pm -
1 stop22h 05m
Thu 10/13:57 pm -
1 stop21h 43m
Deal found 8/12![Alaska Airlines logo]()
$449
One-way flights from Baltimore to Idaho FallsSearch for one-way flight options from Baltimore to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
Search for one-way flight options from Baltimore to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated August 13, 2026.
This American Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:33 am -
1 stop8h 16m
Deal found 8/9![American Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/110:22 am -
3 stops31h 38m
Deal found 8/9![Multiple Airlines logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:43 pm -
1 stop22h 41m
Deal found 8/9![Alaska Airlines logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/101:55 pm -
3 stops23h 55m
Deal found 8/12![Multiple Airlines logo]()
$189
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:10 am -
2 stops11h 28m
Deal found 8/8![United Airlines logo]()
$207
This Alaska Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:43 pm -
1 stop22h 41m
Deal found 8/12![Alaska Airlines logo]()
$215
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:23 am -
3 stops29h 11m
Deal found 8/8![Multiple Airlines logo]()
$228
This American Airlines deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:57 pm -
1 stop7h 23m
Deal found 8/11![American Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 8/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/128:45 pm -
2 stops40h 49m
Deal found 8/10![Multiple Airlines logo]()
$252
This United Airlines deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/58:10 am -
2 stops9h 13m
Deal found 8/9![United Airlines logo]()
$257
This Priceline deal was found by Cheapflights users on 8/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:50 am -
1 stop9h 30m
Deal found 8/9![Alaska Airlines logo]()
$270
Find flight deals from Baltimore to Idaho Falls
Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (Delta) |
One-way from | $180 (American Airlines) |
Popular in | December |
Cheapest in | February |
Average price | $755 |
Cheapflights Fare Finder
Customize your flight search to find flights from Baltimore to Idaho Falls 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, Cheapflights users made 2,558,603 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from Baltimore to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BaltimoreIdaho Falls
BWI Baltimore/Washington - IDA Idaho Falls Fanning Field
BWIIDA
Baltimore/Washington
Fri 12/11
7:00 am-12:15 pm
1 stop7h 15m
Idaho Falls Fanning Field
Tue 1/5
6:45 pm-6:00 am
1 stop9h 15m
$359
BaltimoreIdaho Falls
BWI Baltimore/Washington - IDA Idaho Falls Fanning Field
BWIIDA
Baltimore/Washington
Mon 9/21
7:15 pm-3:20 pm
1 stop22h 05m
Idaho Falls Fanning Field
Wed 9/30
2:01 pm-6:30 am
1 stop14h 29m
$419
BaltimoreIdaho Falls
BWI Baltimore/Washington - IDA Idaho Falls Fanning Field
BWIIDA
Baltimore/Washington
Tue 11/10
6:10 am-3:38 pm
2 stops11h 28m
Idaho Falls Fanning Field
Sat 11/14
2:35 pm-11:08 pm
1 stop6h 33m
$464
Cheapest one-way
BaltimoreIdaho Falls
BWI Baltimore/Washington - IDA Idaho Falls Fanning Field
BWIIDA
Baltimore/Washington
Sat 9/5
7:33 am-1:49 pm
1 stop8h 16m
$180
Quickest one-way
BaltimoreIdaho Falls
BWI Baltimore/Washington - IDA Idaho Falls Fanning Field
BWIIDA
Baltimore/Washington
Thu 10/22
7:00 am-1:09 pm
1 stop8h 09m
$180
BaltimoreIdaho Falls
BWI Baltimore/Washington - IDA Idaho Falls Fanning Field
BWIIDA
Baltimore/Washington
Thu 10/1
4:43 pm-1:24 pm
1 stop22h 41m
$185
BaltimoreIdaho Falls
BWI Baltimore/Washington - IDA Idaho Falls Fanning Field
BWIIDA
Baltimore/Washington
Thu 9/10
1:55 pm-11:50 am
3 stops23h 55m
$189
BaltimoreIdaho Falls
BWI Baltimore/Washington - IDA Idaho Falls Fanning Field
BWIIDA
Baltimore/Washington
Thu 11/19
6:10 am-3:38 pm
2 stops11h 28m
$207
BaltimoreIdaho Falls
BWI Baltimore/Washington - IDA Idaho Falls Fanning Field
BWIIDA
Baltimore/Washington
Sat 9/5
4:43 pm-1:24 pm
1 stop22h 41m
$215
BaltimoreIdaho Falls
BWI Baltimore/Washington - IDA Idaho Falls Fanning Field
BWIIDA
Baltimore/Washington
Thu 10/22
10:23 am-1:34 pm
3 stops29h 11m
$228
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from Baltimore to Idaho Falls
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Idaho Falls in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Baltimore-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Baltimore-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-Idaho Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Baltimore-Idaho Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Baltimore to Idaho Falls
Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from Baltimore with our price prediction graph.
BWI-IDA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Baltimore to Idaho Falls
Reviews of airlines servicing Idaho Falls
Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated August 13, 2026.
See what other customers who have flown with United Airlines from Baltimore to Idaho Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.7
Overall
7.4
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Entertainment
7.1
Boarding
7.7
Crew
8.1
Food
6.7
Overall
7.4
Comfort
7.3
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Related info for your journey
Find useful and relevant information for your journey from Baltimore to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsRexburg
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Other flights to Idaho Falls
Explore flights to Idaho Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 13, 2026.
Baltimore and Idaho Falls flights
Browse other Baltimore and Idaho Falls flight options. Last updated on August 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Baltimore to Idaho Falls
Discover the top airline that operate flights from Baltimore to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$274 | Average$755 | FlexibilityNo cancel fee | On-time69% |