BWI - BOI

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BWI — BOI
Sep 30 — Oct 71
Round-trip
1 adult
Economy
0 bags
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Fri 9/30
Fri 10/7

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Good to know

Low season

October

High season

March

Cheapest flight

$134

Average price round-trip

$585

Good deal round-trip

$490

Good deal one-way

$380
Best time to beat the crowds with an average 48% drop in price.
Most popular time to fly with an average 30% increase in price.
Flight from Baltimore/Washington to Boise Air Term. Gowen Fld
(avg. price over the last 2 weeks)
or less
or less

When to book flights from Baltimore to Air Term. Gowen Fld

Estimated round-trip price
Average price per month
Flight prices as travel date approaches

Top tips for finding a cheap flight from BWI to Boise

  • Looking for a cheap flight? 25% of our users found flights on this route for $380 or less one-way and $490 or less round-trip.
  • The cheapest flight from Baltimore to Boise was found 45 days before departure, on average.
  • Book at least 3 weeks before departure in order to get a below-average price.
  • High season is considered to be February, March and April. The cheapest month to fly is October.
  • Morning departure is around 8% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs for booking flights from Baltimore to Boise

Top airlines flying Baltimore/Washington to Boise Air Term. Gowen Fld

Scores according to KAYAK customer reviews
7.9
DeltaOverall score based on 31471 reviews
8.1Boarding
7.8Comfort
8.5Crew
7.8Entertainment
7.5Food
Airline reviews

The overall flight experience was great !!!

Read more about Delta

The overall flight experience was great !!!

Pros: "Crew was great and seats were totally perfect and comfortable"
Cons: "Nothing could have been better, except steak and lobster 🦞😃 Thank you very much for your ability to make customers welcome and comfortable."
Cons: "The crew was overly aggressive with mask policy enforcement. They patrolled the aisles and routine pointed at passengers directing them in a hostile manner to keep their masks on their faces, even when they were trying to eat or drink. They also threatened customers by stating it was a federal law several times. It was very uncomfortable to say the least. I will not fly delta again by choice."
Pros: "The space we currently have."
Pros: "Everything from hospitality to the ease of the flight. Captain communicated to put all at ease during this time in which this pandemic has gotten many fearful of flying. Great landing as well."
Cons: "Everything was great!"
Pros: "Crew was friendly and engaging"
Cons: "I wiped down my seat area to clean it. It would be nice to know what Delta is doing as well."
Pros: "They left the bags at LAX. We we’re driving to Sun Valley and don’t have our ski clothes and equipment"
Cons: "Get our bags to us in the morning"
Cons: "They lost my bags. Unacceptable"
Pros: "Pretty much everything"
Cons: "Food somewhat expensive..... boarding off the plane - ones with no baggage should get off first then more control about everybody getting in the aisles trying to get their luggage and holding everybody up"
Pros: "Crew was very friendly"
Cons: "the seats are horribly squished and uncomfortable. It’s the only thing that makes the flight not excellent"
Pros: "Thanks for the monitors."
Cons: "The crew seems tired."
Pros: "No comments"
Cons: "Cleaners had not done a great job. There were paper napkins left over in the seat pocket from earlier flight."
Pros: "Crew was great"
Cons: "Late departure"
Pros: "Inflight entertainment was the best I’ve seen in coach. Free games, movies, moving map, etc."
Cons: "The seating is too cramped. It has just gone past what is reasonable. Seems too tight on both the knees and elbow room."
Pros: "Seat was decent and only a $10 upgrade. Worth it!"
Cons: "Wasn’t clear what boarding group was up. I don’t usually fly delta so maybe I’m just not used to the system but something on the video screen at the gate saying where they were in boarding would have helped. I wasn’t the only one that seemed lost."
Pros: "Airbus was nice"
Cons: "Delayed by over 1 1/2 hours"
Pros: "Even though the flight was delayed by a few minutes we still arrived on time."
Cons: "20 minutes late"
Pros: "The whole crew was great and very accommodating"
Pros: "Excellent"
Cons: "None"
Pros: "Seat comfortable"
Cons: "NA"
Pros: "Great crew and plane arrived on time."
Cons: "No entertainment and no place to charge devices."
Pros: "The crew was wonderful, the flight was on time."
Cons: "But the seats are so tight that we were definitely elbow to elbow and once seated I was unable to access even the purse that was at my feet. There was no entertainment and the tray table was tiny, not even an indentation for a cup!"
Cons: "The seat was very uncomfortable"
Pros: "Great service"
Cons: "No complain"
Pros: "The crew was nice."
Cons: "This was an older, smaller plane and it had more leg room. Appears I’ll have to start checking Delta to see what birds flying the leg."
Pros: "Great service all around. As comfortable as you can get for a domestic flight."
Cons: "Food was pretty good, but not up to their usual high standards"
Pros: "On time leaving and landing"
Cons: "Every thing went well"
Cons: "Delta staff is not too friendly"
Pros: "Seating"
Cons: "The re route to MSP... Seven hour flight time for a two and half hour flight..."
Pros: "Flights were on time boarding was easy. 2nd crew from ATLANTA was friendly."
Cons: "The foldable snack tray was broken on the flight to ATL."
Pros: "This trip into Merida was amazing from start to finish. Something was lost in translation with my handicap assistance in Atlanta, but the trip was lovely nonetheless."
Cons: "Flight was cancelled"
Pros: "Flight was on a 787! Great plane"
Cons: "Food was mediocre for an international long haul fight, and was served by a completely indifferent staff! My prearranged seat choices were switched to a no recline rows and rebooking after a unnecessarily missed connection became 7 step comedy of errors ,aside from quality aircraft this felt like a budget operation."
Cons: "There was a change in our flight. According to Delta you didn't confirm every leg of our flight and the plane was over booked."
Pros: "SLC ground gate crew was awesome."
Pros: "People"
Pros: "Nothing"
Cons: "The staff"
Pros: "I had to take a United flight last week for a short flight and once again I was reminded why I ALWAYS fly Delta if at all possible. United crew hid in the galley the whole trip wit lititle to no interaction with passengers. My flight today on Delta was great; food really excellent (Chicken Tika) and the crew was great as usual. Delta remains the best."
Pros: "Very Comfy plane."
Pros: "The leg room and freedom of not having another seat in front of me throughout this flight was great. It made getting comfortable a lot easier."
Cons: "We couldn't hear the overhead announcements at all. Seated right next to the turbine intake on the wing made the amount of ambient noise especially high, so all the in-flight announcements were pretty much unintelligible."
Pros: "The crew were AMAZING and made the flight so much better. Boarding was easy. I also love that the pilot acknowledged the Service men and women on our flight."
Cons: "The older plan didn't have some of the perks that I expected from Comfort +... No conformed headrest, no USB plugs... I paid extra for Comfort + and expected some of these things."
Pros: "Staff were courteous. Captain explained reason for delay."
Cons: "Over 20 minute delay to begin boarding with no explanation. Boarding process very slow due to excess carry ones needing to be checked."
Pros: "After the extremely long wait to check bags which made us miss the flight, the date crew got us in another flight...it wasn't direct which is what I paid for, but they did get us out, but i missed an interview because of the lack of crew and a missing luggage."
Cons: "Checking a bag, delta did not have enough crew to get everyone thru to their flights. We waited for 80 minutes inline to check a bag. Then we ran to the gate inky to find the gate was closed less than 2 minutes before we arrived. At least 20 others also missed the plane because of the lack of crew and long lines checking bags. It was frustrating, irritating, uncaring crew checking in, and a bit rude. Then on of my checked luggage was lost enroute - which made getting off the flights even later which made me miss a meeting that I was scheduled to be at. All because you didn't have the crew needed to check in."
Pros: "...the fact that they got us on the plane and back to GRR even though the connecting flight from BWI was delayed and there was little time to make that last flight out of DTW..."
Pros: "The gate agents were friendly and made the boarding process quick."
Cons: "This was my connecting flight, and also left late. I can't really rate the crew on either flight, because I didn't see them. It's also impossible for me to rate the food/beverage service, because there was none. I spent over 3 hours on planes, and no beverage service was provided. If you have connecting flights, are flying for business, or don't pack your own refreshments assuming that something standard services will be, well, standard, Delta is probably not who you want to fly with. I work in the industry and sm usually not this brutally honest, but the whole trip was pretty disappointing."
Pros: "I haven't traveled by air for a number of years, it had gotten to be so crazy at checkin. Well imagine my surprise when I was checked in within five minutes of arriving at the airport. KAYAK took care of everything. All the flights were on time, I received email updates along the way and I am so happy I'm planning my next trip already."
Cons: "Even the babies in the waiting area were quiet on the flight, which leaves nothing for me to complain about at all."
Pros: "The flight was smooth. Boarding was orderly and Delta personnel were considerate, friendly and efficient."
Cons: "Seats in coach were a little cramped. The guy next to me had a hard time staying in his own space."
Pros: "The crew and flight overall were excellent"
Pros: "Only 2 clerks available for who knows how many flights. The cre was dismissive and rude. Didn’t give any effort Smallest, dirtiest and uncomfortable plane I’ve ever been on. Seats don’t even recline. I don’t know about food because it cost too much to think about. No entertainment"
Cons: "Cheap"
Pros: "Literally nothing."
Cons: "I was told my flight was delayed at 3:40am the morning of my 11:00am flight. My flight was delayed 3 different times. I live far from the airport I flew out of so this was a large inconvenience. We were never even told why the flight was being delayed. My entire 5 hour stay at the airport we were never updated once on the staus of our flight. I was also charged over $100 for just my bags and my seat. $45 for a carry on bag is ridiculous. I paid more for my seat and bag than I did for my actual ticket. Paying $13 to sit in the very last row is stupid. I will never be flying with Spirit ever again. Legitimate robbery. The website and app were also slow and hard to operate."
Pros: "It was really cheap and they boarded the plane early and left early."
Cons: "How much it costs to check a bag."
Pros: "If you’re traveling light and you understand their fees, it’s easily the cheapest flight you can get. Maybe not the best airline for all your travel needs, but awesome for a quick weekend."
Cons: "Delays and more delays. 3.5 hours delay boarding. Had us get on plane after first delay, then announced there was no crew and we had to get back off. Nothing is included. Carry on $55, soda or juice $3. Not comfortable. The plane sounded like it was about to fall apart when we landed. Worried for my flight home."
Pros: "Price—got what we paid for—a flight. Nothing more. As the flight attendant stated as she offered drinks or snacks, the only thing free is SMILES!!"
Cons: "Not even a free cup of water! Actually, a cup of ice was free—wow!! Only airline I have encountered that does not offer two free carry-on items—defeats the lower price of your ticket when you have to pay for every little item!!"
Pros: "Flight was awesome and quicker than I thought."
Cons: "Seats are to close together no leg room."
Cons: "The seats are super cramped. It would be been nice to at least get some water for free."
Pros: "The fact we didn't sit on the plane for an hour after boarding on time so they can kick people off the plane for over booking like they did on the way back."
Cons: "I got an email at 8am saying my flight could be delayed but should show up on time. My flight was at 4:55pm so great start there. So I show up an hour and a half ahead of boarding, which is on the latter side for me. Security lines weren't very long, they just took their time which wasted everyone else's. I get through that line, look at the departure board - wait IT'S ON TIME?! They start boarding soon if it's on time and it's a further gate so I run down there and guess what? Delayed an hour. Okay, that's fine. Go grab something to eat, come back, settle in for a little bit, board - on my sweet way. Go grab some food quickly, come back - another hour delay? What the heck? I must've missed an announcement. Guess I should plug in my phone for the wait, I expected to meet some friends and potential clients layer that night, communication is key. I misplaced my charger, no big deal just went and got one of those power rods (highly recommend) and come back - ANOTHER HOUR?! That's pretty insane. One of my friends flying from Dallas that departed at 7:30 could be up in the air before I am. Step aside, give him a call to update, call potential clients letting them know I will be delayed getting there. No issue. Turn around - my goodness well what do you know, another hour! At this rate I call my hotel, because I can't lose my reservation if I can't check in on time. Hotel was the waterfront crowne plaza (another highly recommended item in this review by me). I plant in my seat, set my roots, meet a few nice people. Figuring I'd kill some time by meeting some great people. Met a family from Detroit and got some awesome food recommendations. Randomly over the speaker - we have another delay - another HOUR delay. Well this is just turning into a horror story, will I ever get there? Should I request a new flight? My buddy in Dallas departed 3+ hours after I was supposed to, and was up in the air already (he landed before me too). At this rate I cancel my meeting. We board, we take off, we land. Woman sitting next to me was nice. Plane didn't crash. Just landed in Detroit about 7+ hours later than expected. All in all, don't take spirit. Looking at prices they are the cheapest, not by a huge margin though. Pay the extra 70 or so dollars to take another airline. Even if it's $150 dollars more, take the other airline. They want to charge you 65 dollars for a carry-on. Their website was created by a 12 year old. Simply getting your boarding pass includes cross and up sells that make the process 10x more frustrating, especially when you know what you're dealing with on the second flight back. (By the way spirit if you can read this I'm a consultant for advertising, digital media, and UI for e-commerce - I can help you with your terrible website and the offers that come along with it) Just take the other airline, any other. It won't save you money most likely, but it will save you a lot of headaches, time, and embarrassment."
Pros: "The professionalism of the crew and staff."
Cons: "The overselling of seats; however, the compensation offered if I was unable to obtain a seat was good."
Pros: "Quick boarding!! Very efficient!"
Cons: "High fee to carry one bag on. No phone charger at seat. that would be a plus! That's why I rated a 1 on entertainment. There was none. 1 on good. there iwas none. Should have option of n/a."
Cons: "It cost us over $200 extra to take carry ons. I didn't read this in the fine print. $59 each carry on! Each way!"
Cons: "Flight was canceled. Spirit did not have any solutions. I had to buy a one way ticket out of pocket, not reinbursed by Spirit, in order to make the wedding the next day. That ticket cost me more than spirits round trip ticket. I will never fly Spirit again. I will do everything in my power to see that Spirit does not get any more business. I would recommend that Kayak not use Spirit Airline."
Pros: "And then had to wait at the gate while another plane left."
Cons: "Food was too expensive, all extra charges were over $400!"
Cons: "You have to pay for half glass of water?!!! Unfriendly crew"
Pros: "It was on time, smooth takeoff and landing. What I expected from spirit otherwise (no food/beverages)"
Pros: "Upbeat and jovial flight attendants."
Cons: "Very little room but I expected this on a discount airline"
Pros: "I liked the fact that the plane didn't explode midair, and that it got me to my final destination in one piece. Spirit knows how to do that."
Cons: "I don't like sitting in airplanes for long periods of time, mostly because I can't get comfortable. Aside from first class seating, every airline's economy seats feel like medieval torture devices. It's what I expect, so no harm done."
Cons: "Flight was delayed over 3 hours for no apparent reason."
Pros: "The crew on this fight was good."
Cons: "I got there early to check in, only to have the ticket agents continue to call customers of other flights, such that I barely made it on time for my plane. To boot, there was a Spirit ticket agent just standing there doing nothing behind a computer while there was a super long line. People started to go up to her to ask questions, and then she was helping them with tickets using the computer. Then she started to help people in line. She just stood there for about 45 minutes doing nothing though. Ridiculous. I'll never fly this airline again."
Cons: "You can't even offer water on a flight without charging?! That's a little ridiculous"
Cons: "Delays both ways due to crew shortages and maintenance issues, not weather. $50 for a carry on is insulting."
Pros: "Crew was wonderful, very helpful and caring."
Cons: "seats were very close, but we were lucky because it was a light flight and no one sat in the third seat."
Cons: "$100 R/T checked bag surcharge. No comp. snacks or beverage. Cramped uncomfortable seating. Inappropriate sale and hard promotion of Spirit credit card on both flights."
Pros: "The boarding process was quick and efficient. The pilot was great."
Cons: "Extra charge for everything and I mean everything! I understand spirit is "unbundled" but paying $90 round trip for a small carry on + all the extra small charges I could have easily flown with a higher quality airline. The flights did not leave on time and the flight attendants, although polite did not give the same level of service as other airlines I fly with. And what is with the baby tray table? I almost laughed! I will not fly with spirit again...I'd rather stay home."
Pros: "Baby changing tables in the bathrooms, meaning your tray table is much cleaner!"
Cons: "Bring an empty reusable water bottle to the airport and fill it once past security because you have to pay for water in flight."
Pros: "My flight was cancel but they put me in a good hotel in movement for tomorrow"
Pros: "I managed restaurants for years, so I want to start off by saying I'm VERY forgiving when it comes to mistakes. 4 out of the 5 flights I've mistakenly subjected myself to with Spirit have been absolutely atrocious in every way imaginable. This one was so horrible I can't even type the story in fear I'll start to relive it. Trust me and please let my pain and suffering be reconciled through saving you the pain of walking in the shoes of a Spirit Airlines customer. If ever considering a flight with Spirit...just say no. If for some crazy reason they draw you in with a price, schedule, airport location, or any other reason or combination of reasons...I promise you, it isn't worth it. Even if the flight is free, you'll feel cheated and short changed in the end after you overcome the shear disbelief that any company could survive operating the way they do. And if you're still considering Spirit at this point, I wish you luck...you'll need plenty of it. They're mediocre 20^ of the time. If you're flight is like the greater 80% of my experiences, Lord help you."
Cons: "Everything but the color yellow in their logo. And PS, any of these good reviews have got to be friends and family. Spirit Airlines couldn't hit a 10 on their best day. Virgin can hit a 10, but Spirit...their top end can't be higher than a 4"
Pros: "pilot flew this plane well, and flight attendant also very good - older man"
Cons: "Did NOT like paying $55 per person for carry on baggage each way This was a rip off and unexpected. Probably wont fly Spirit again and will steer others away also. If youre going to charge such outrageous amounts for carry on bags you should make it clearly known when people book. I feel a bit ripped off."
Pros: "Nothing."
Cons: "Rip off airline...not worth the cheap price to then pay $55 for a carry on bag...plus you have to pay for drinks on the plane."
Pros: "The fact it was cheap"
Cons: "There was 3 delays. Makes me wonder how many delays they would have during actually bad weather. I don't think I would be taking it again... the coast to check in a bag was also crazy $50.00 I might as well taken another line and I would not have had that many delays got home the time I planned on getting home. Although it was cheaper that other flights if I added 40 dollars I would of went in a better plan and not had to deal with though delays."
Pros: "all flight info was great, walking in after checking, flight, after flight and luggage pickup. great flight!"
Cons: "No problem!"
Pros: "Easy booking and low fare!"
Cons: "The staff at BWI airport need more customer service trading. Three representatives all seemed annoyed that customers were waiting in line. Lack of eye contact, no courtesy words used when speaking to guest, talked amongst themselves and simply made everyone in line irritated."
Cons: "There is a check in policy of 45 minutes before boarding designed to make you miss your flight. I had to pay an extra 99 dollars on a 180 dollar ticket and was rerouted making me miss a day of my trip. On the way back the tries to make me pay 55 dollars to check a carry on even though they hadn't on the flight out. Worst airline I have ever encountered anywhere near"
Pros: "The safe seemed friendly, I had no complaints with them."
Cons: "The airline charges a carry on which I didn't see clearly when booking my flight. They also don't offer complimentary beverages; which isn't a huge deal. However, I would of brought a drink with me if I knew that. The aircraft felt very dirty, the seats had stains all over them. I felt gross sitting in my row."
Cons: "After pushing back departure by over three hours, they cancelled the flight. Terrible communication by staff - found out about cancellation when I walked past a concourse gate assignment monitor. Earliest rebooking was two days later."
Pros: "The Crew was nice."
Cons: "They have cheaper Tickets than any other Airline, but they make their money through everything else. One suitcase is 38$, you have no carry-on free, carry-ons are even more expensive than a regulär suitcase. You just get one Personal item free, not more. Was on a Five hour flight to LA and got nothing. No food, not even water. For everything I had to pay. They don't have WiFi, no on board entertainment. The seats was small and uncomfortable. Oh and in teirs suitcases they just allow 18 kg, not 23 like everyone else. So I had 24 kg and they charged me 55$ for they overweight. Their Tickets might be cheap, but in the end for me it would have been better flying with another Airline."
Cons: "I was asked to change my seat from 29A to 3E to accommodate a family who wanted to sit together. I was told that 3E was a better seat. 3E turned out to be a nightmare. A row away was a child who screamed for 75% of the flight but that wasn't the worst part. 3E was situated between a man and a woman who must have weighed 450 pounds! I literally had half of a seat for the entire flight. I really feel that I should be reimbursed because of how uncomfortable I was forced to fly for the entire flight. A person of that size should not be squeezed into a row of three seats."
Pros: "The pilot did a fantastic Job"
Cons: "The attitude of the check in attendance. the price of baggage. More than any airline in the US. Please make sure that you read, read and read all the informations before you buy your ticket. Trying to save with Sprite Airline is a big mistake. You will end up paying more than any other airline."
Cons: "Our flight was delayed 3 hours, our connections were rerouted so we got to Vegas 12 hours later than planned, and the restaurants in the airport refused to take the free meal voucher."
Cons: "Flight was scheduled to leave Boston at 8.50.p.m.on July,16 but it departed at about 0030 hrs on Jul,17 forcing me to sit at the airport and causing lot of discomforts at the age of 67 yrs as also to my aged wife. I also have lurnt that Spirit flights are generally running late."
Cons: "Flight was 1.5 hrs late and we never got an explanation. The lady from spirit said the flight was late the night before too so I think the flight is regularly late"
Pros: "Nothing, I will never fly them again"
Cons: "Flight was cancelled without explanation and with the worst customer service I have ever experienced"
Pros: "I would rate entertainment as excellent, if by 'entertainment' you mean the ridiculous organization and communication of the staff. THey issued the wrong boarding pass to all passengers on a chicago bound flight, guided us to the wrong gate, and mistakenly told us that the flight was cancelled, when in fact it was a different flight that was cancelled. This led to many passengers booking new flights or going home."
Cons: "Everything"
Cons: "I'd give it no stars if I could because the flight never left. They delayed it due to weather, then canceled due to crew time expiring. All well and good, but the next flight out they had available seats on was 4 days later, on Monday. Since I had to be in a wedding, I kind of had to fly out, so I ended up paying $900 (!!!!!) on a last minute flight on delta. I'll never try to save money up front again. Spirit assured me I'd have a refund in 5-7 business days, which was clearly useful in helping me buy my ticket to actually get to my destination."
Pros: "The crew was nice, very kind people."
Cons: "Delays, more delays, they seem to be not ready for the unexpected things that can occur. The plane is so small you feel like riding a bus with wings."
Pros: "The airplane was nice enough."
Cons: "The additional fees for boarding passes, water, no TV, no snacks, and not allowing you a medium carry-on bag/flight bag. And the $2.50 muffin was not worth it!"
Pros: "Nothing, I should have paid just a little more and flown in comfort"
Cons: "I don't like the hidden cost that you can only find out by their website or as some found out when they checked in. Just be upfront and let the customer make up their mind. I really didn't save any money and I didn't get my money's worth."

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$162
10/10Mon
1 stopSpirit Airlines
14h 55mBWI-BOI
$163
11/9Wed
2 stopsSpirit Airlines
11h 26mBWI-BOI
$165
11/11Fri
1 stopMultiple Airlines
21h 08mBWI-BOI
$166
11/2Wed
3 stopsSpirit Airlines
31h 15mBWI-BOI
$173
10/4Tue
1 stopSpirit Airlines
25h 47mBWI-BOI
$175
11/2Wed
2 stopsDelta
9h 29mBWI-BOI
$181
11/10Thu
1 stopDelta
7h 50mBWI-BOI
$191
11/10Thu
1 stopDelta
9h 39mBWI-BOI
$196
11/5Sat
2 stopsDelta
10h 38mBWI-BOI
$201
11/6Sun
1 stopDelta
8h 34mBWI-BOI
$227

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Baltimore - Boise Flights

Departure:

Baltimore (BWI)United States

Destination:

Boise (BOI)United States

Return flight deals:

Boise - Baltimore

Cabin classes:

$1,577
$2,148
$792
$418

Browse origins:

Browse destinations:

$253