SFO - BOI

$71 Find Cheap Flights from San Francisco to Boise

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Boise departing on 2/18. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Boise

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Boise, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Boise, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$145
Overall average: $274
Frontier
Wed 2/25Fri 2/27
SFO - BOI • 1 stop
Cheapest non-stop
$157
Typical prices: $177-$277
Alaska Airlines
Wed 4/22Tue 4/28
SFO - BOI • Non-stop
Our travelers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
United's Economy Plus offers extra legroom on this route.
Alaska's Wine Flies Free allows free wine check-in.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Frontier
Cheapest • from $145 (round-trip)
Alaska Airlines
Best reviews • 8.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
When to book
4 weeks
in advance
Our data shows that travelers who book at least 4 weeks in advance save around 59% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
April
Cheapest • 23% price drop
May
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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Flight Deals
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Expert advice
Flight Deals

Cheap Flights from San Francisco to Boise (SFO-BOI)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to Boise that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco to Boise

Wed, Feb 25 - Fri, Feb 27
Frontier Logo
7:20 am - 11:51 am
SFO
-
BOI
27h 31m
1 stop
Frontier Logo
11:56 am - 12:28 am
BOI
-
SFO
13h 32m
1 stop
$145Frontier
Wed, Mar 4 - Sun, Mar 8
Frontier Logo
7:35 am - 11:51 am
SFO
-
BOI
27h 16m
1 stop
Frontier Logo
12:07 pm - 12:29 am
BOI
-
SFO
13h 22m
1 stop
$149Frontier
Wed, Feb 11 - Thu, Feb 12
Hawaiian Airlines Logo
4:46 pm - 11:01 pm
SFO
-
BOI
5h 15m
1 stop
Hawaiian Airlines Logo
1:25 pm - 2:26 pm
BOI
-
SFO
2h 01mnonstop
$155Hawaiian Airlines
Wed, Apr 22 - Sun, Apr 26
Alaska Airlines Logo
7:44 pm - 10:27 pm
SFO
-
BOI
1h 43mnonstop
Alaska Airlines Logo
9:02 am - 9:58 am
BOI
-
SFO
1h 56mnonstop
$157Alaska Airlines
Tue, Feb 10 - Thu, Feb 12
Multiple Airlines Logo
7:24 pm - 10:09 pm
SFO
-
BOI
1h 45mnonstop
Multiple Airlines Logo
12:36 pm - 8:03 am
BOI
-
SFO
20h 27m
1 stop
$164Multiple Airlines
Fri, Apr 10 - Wed, Apr 15
Alaska Airlines Logo
6:56 pm - 9:40 pm
SFO
-
BOI
1h 44mnonstop
Alaska Airlines Logo
4:15 pm - 10:27 pm
BOI
-
SFO
7h 12m
1 stop
$167Alaska Airlines
Tue, Feb 10 - Thu, Feb 12
Multiple Airlines Logo
2:58 pm - 8:09 pm
SFO
-
BOI
4h 11m
1 stop
Multiple Airlines Logo
12:36 pm - 12:28 am
BOI
-
SFO
12h 52m
1 stop
$174Multiple Airlines
Wed, Apr 22 - Tue, Apr 28
Delta Logo
7:16 pm - 11:57 pm
SFO
-
BOI
3h 41m
1 stop
Delta Logo
12:57 pm - 4:07 pm
BOI
-
SFO
4h 10m
1 stop
$177Delta
Wed, Feb 11 - Thu, Feb 12
Hawaiian Airlines Logo
7:24 pm - 10:09 pm
SFO
-
BOI
1h 45mnonstop
Hawaiian Airlines Logo
1:25 pm - 2:26 pm
BOI
-
SFO
2h 01mnonstop
$180Hawaiian Airlines
Sat, May 16 - Sat, May 16
Alaska Airlines Logo
3:03 pm - 5:41 pm
SFO
-
BOI
1h 38mnonstop
Alaska Airlines Logo
6:49 pm - 7:38 pm
BOI
-
SFO
1h 49mnonstop
$182Alaska Airlines
Booking Insights

KAYAK's insights & trends for San Francisco to Boise flights

Get data-powered insights and trends into flights from San Francisco to Boise to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from San Francisco to Boise?

The average price of all round-trip flights from San Francisco to Boise clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Boise on a Tuesday, as we generally find the cheapest rates on that day for this route. On the other hand, Wednesday is the most expensive day to fly from San Francisco to Boise. For your return ticket, we recommend flying on a Friday and avoiding Sundays for the best deals.

What is the cheapest month to fly from San Francisco to Boise?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Francisco to Boise, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from San Francisco to Boise is April, where tickets cost $202 (return) on average. On the other hand, the most expensive months are December and January, where the average cost of round-trip tickets is $308 and $302 respectively.

How far in advance should I book a flight from San Francisco to Boise?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Francisco to Boise, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from San Francisco to Boise, you should book around 4 weeks before departure, which saves you about 59% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 6 weeks before departure.

Expert advice

Expert advice for your flight from San Francisco to Boise

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Good to know

Low seasonNovember
Cheapest flight$71
Best time to beat the crowds with an average 14% drop in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from San Francisco to Boise

When to book flights from San Francisco to Boise

Are your dates flexible? Find out the best times to travel from San Francisco to Boise based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Francisco to Boise

  • Which airline(s) should I book when flying with kids from San Francisco to Boise?

    Out of the several airlines flying from San Francisco to Boise, consider American Airlines when traveling with your kids. The airline has the most extra legroom and spacious seats, which ensure you and your child remain comfortable the entire journey. Apart from this, parents accompanied by their kids enjoy priority boarding and deplaning.

  • Can I get eco-friendly flights from San Francisco to Boise?

    Yes. All the airlines flying from San Francisco to Boise works towards reducing their overall carbon emission. However, United Airlines offers the most eco-friendly flights on this route. The airline has made significant efforts toward the adoption of fuel-efficient engines and the use of sustainable aviation fuel.

  • Which other cities are served by Boise Airport?

    Boise Airport (BOI) serves a number of other cities in addition to Boise. Some of these cities in Garden City, Eagle, and Meridian. Therefore, when you book your flight from San Francisco to Boise, you get yourself in a better position to easily connect to these cities.

  • How can I get out of Boise Airport upon landing from San Francisco?

    Greyhound Buses and Salt Lake Express Buses offer affordable and convenient means of transport from the airport to the city center or any other part of the city. It takes about 25 minutes to connect from Boise Airport to the city center by bus. Apart from buses, you can also use a taxi or a rental car to get out of the airport.

  • What is the cheapest flight from San Francisco to Boise?

    In the last 3 days, the lowest price for a flight from San Francisco to Boise was $71 for a one-way ticket and $145 for a round-trip.

  • Do I need a passport to fly between San Francisco and Boise?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airlines offer Wi-Fi service onboard planes from San Francisco to Boise?

    Alaska Airlines, Hawaiian Airlines, and American Airlines offer inflight Wi-Fi service on the San Francisco to Boise flight route.

  • Which aircraft models fly most regularly from San Francisco to Boise?

    The Embraer 175 (Enhanced Winglets) is the aircraft model that flies most regularly on the San Francisco to Boise flight route.

  • Which airline alliances offer flights from San Francisco to Boise?

    SkyTeam, oneworld, and Star Alliance are the airline alliances operating flights between San Francisco and Boise, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from San Francisco to Boise?

    There are nonstop flights from San Francisco to Boise on a daily basis.

  • Which is the best airline for flights from San Francisco to Boise, Alaska Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from San Francisco to Boise are Alaska Airlines and Delta. With an average price for the route of $271 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $246 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from San Francisco to Boise?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Boise.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Boise?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Boise from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Boise?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Boise with an airline and back to San Francisco with another airline. Booking your flights between San Francisco and BOI can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Boise?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Boise from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from San Francisco to Boise

  • Looking for a cheap flight? 25% of our users found flights on this route for $194 or less one-way and $187 or less round-trip.
  • Flights from San Francisco to Boise have San Francisco International Airport (SFO) and Boise Airport (BOI) as the main departure and destination airports, respectively. However, those in the Eastern region of the San Francisco Bay Area have the option of having Oakland International Airport (OAK) as the departure airport when flying to Boise. Since the route that has OAK as the departure airport is less popular, choosing to fly along it exposes you to cheaper flight deals.
  • Booking either United Airlines or Alaska Airlines, which have San Francisco International Airport (SFO) as their hub, for your flight to Boise comes with a number of benefits. Key among these benefits is that you can reliably get a flight that is convenient to your schedule. This is because these airlines have quite high frequencies of daily flights from SFO to BOI.
  • You can conveniently fly with your pet(s) from San Francisco to Boise since all airlines along this route have pet-friendly policies. However, if you book Alaska Airlines, you will enjoy lower pet charges compared to other airlines. Apart from this, Alaska Airlines allows pet(s) to fly in-cabin conveniently provided their weight combined with the weight of their carrier does not exceed 20 lbs.
  • When connecting to San Francisco International Airport (SFO) to catch up with your flight to Boise, buses provide the most affordable and reliable means of transport. In particular, Bus Line KX, 292, 397, and 398 connect directly to the airport terminals from downtown San Francisco.
  • You can fly First Class from San Francisco to Boise at a subsidized price if you take advantage of the Class-Upgrade option offered by United Airlines and American Airlines. Both airlines give their customers who book Economy a chance to upgrade to First class by topping up a small amount of money on their ticket.

Prefer to fly direct from San Francisco to Boise?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from San Francisco to Boise Air Term. Gowen Fld.
Find which airlines fly direct from San Francisco Airport to Boise Air Term. Gowen Fld Airport, which days they fly and book direct flights.

Direct departures

San Francisco to Boise Air Term. Gowen Fld

Monday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Tuesday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Wednesday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Thursday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Friday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Saturday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Sunday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

See more direct flights

Direct returns

Boise Air Term. Gowen Fld to San Francisco

Monday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Tuesday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Wednesday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Thursday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Friday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Saturday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

Sunday

Alaska Airlines, United Airlines

Alaska Airlines, United Airlines

See more direct flights

Reviews of the top 4 airlines serving from San Francisco to Boise

 
See real verified KAYAK customer reviews for airlines flying from San Francisco to Boise. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Francisco to Boise? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 11781 reviews
7.8Comfort
8.1Boarding
7.0Entertainment
8.5Crew
7.1Food
Airline reviews

The Alaska Airlines app made it very difficult to find my boarding pass. It was very frustrating to use! The flight itself was flawless.

8.0 ExcellentMatt, Jan 2026
SFO - PDX
Read more Alaska Airlines reviews

The Alaska Airlines app made it very difficult to find my boarding pass. It was very frustrating to use! The flight itself was flawless.

The flight was excellent and very friendly and helpful staff. Will travel again and recommend to friends. Thank you

Flight was scheduled to leave at 6a and delayed for 5 hours due to “mechanical” issues. Everyone else on the flight received an email voucher for $24 of food for the delay, except for our group. Also the carry on luggage bins were full and the crew requested that everyone to pass their carry ons back up to the front while everyone was still standing. They gave no other direction and kept rushing the process. After all bags were sent up, they then asked for seat #s to go with each bag… They should have probably had everyone get to their sits and then pass the bags up in a controlled process.

From Las Vegas to Boise all went well. However, our flight was delayed in Boise and I missed my connecting flight from Seattle to Pasco. Moreover, the last flight to Pasco was full and I was booked on the 11:30 flight Sunday and given a hotel accommodation. However, I was scheduled to deliver the Sunday morning service at my church and needed to arrive no later than 10:00. Therefore, I booked a Delta flight scheduled to arrive in Pasco at 23:09. My piece of luggage checked in Las Vegas arrived in Pasco earlier today. I waited at the airport for over an hour last night to speak with an Alaska agent to no avail. I went back after church this morning in search of my piece of luggage and it could not be located. After waiting for 40 minutes to speak to the agent authorized to take my claim, he announced that he was closing the counter to assist on the flight line but not before providing me with a telephone number that would help me with filing my claim. Before I was able to make the call (due to other factors) I received a call from Alaska agent informing me that my luggage had just arrived and I am now waiting for it to be delivered. I deliberately took the more complicated route home to ensure that I would be home in plenty of time to prepare for myself for the Sunday service and accommodate my relatives’ needs. I believe the airport is undermanned given the number of flights coming in and going out. It was fiasco last night with three flights waiting for luggage and another flight landing within minutes. Today’s problems stemmed from a lack of cross training and a serious amount of cargo/baggage going out and too few people scheduled to cover.

Did not have In flight service on my round trip due to turbulence. I did not partake in In flight entertainment. Flight descending into LAX was very turbulent. It would have been nice if the pilot communicated with us during that rough descent into LAX to ease the minds of some of us more nervous flyers.

They canceled my flight with only a couple hours before checking in at the airport and offered no alternatives to get home.

I had entered my TSA pre number when I bought the ticket but TSA pre was not on my boarding pass. I went to find an agent at check in and there was only one agent one duty for first class and a line of people waiting for check in/baggage with no agent manning that area.

The seats were not very comfortable and there were no TV screens. Boarding was pretty fast because there were so few people on such a small plane and I appreciated that they still gave us our snack and drinks, however I really wish they would come up with a good gluten-free snack.

Comfort level was below par. Food selection was non-existent. Paying $35 for 1st bag is never appreciated. I will not fly them again. I am actually trying to change my return flight.

The flight attendants were excellent and I was in the back of the plane. Much much better than recent JetBlue experiences on that route and better than Delta on that route.

Delta’s staff is unmatched. From the gate agents, to the pilots, to the flight attendants… all top of the industry.

The flight was delayed for about 2 hrs. Other than it, it was good.

I am extremely disappointed that delta internal pilot manuals now refer to the Gulf of Mexico as the “gulf of America”. You can bow down to the Orange turd on your own. I will never fly delta again

No lunch on a x-country flight scheduled for 10:50 am departure, arrived 5+ hrs later. That requires a black box label before you pay for the tickets. Worst, when I checked in online, it's specifically said that lunch was served on his flight for economy Plus passengers.

Our flight from SFO to MSP was right on time on 11/15/2025. No delays. As we approached MSP at about 8 pm, we circled in the air until 8:40 pm so I don't call that efficient for MSP. I think the captain should announce the delay and why. (as if we all don't know that we are just circling around the area, slowing down, speeding up, slowing down.) Thank you. Marilyn Fischer

Staff were friendly and happy. Delta could make sure passengers that don't have the app know of changes. Without Kayak I would not have known about the change of gate or the delay. Kayak was faster to notify me.

The flight used a B767 with a very old interior from before 2014. The entertainment system did not work at all during the flight despite attempts to reset the system. It was like they flew this route just to be competitive.

Delayed flight (1hour) plus a long layover after an overnight flight with no backup plane available.

Flight delayed for two and half hours and then canceled altogether due to mechanical issues. No mechanic onsite to fix so had to send one from LAX.

Having to up charge for a seat assignment is not good. Delta can do better

I received several emails about my 3:10 flight. When I showed up to the airport at 12:30 to check my bags I was told the flight was actually at 1 pm. They grudgingly rebooked me for a flight at 5:22 to Vegas to get a connecting to LAX. I did find the gate for my original 3:10 flight but they were booked. I proceeded to receive status updates and gate change information for the 3:10 flight, even though I was apparently never supposed to be on that flight

The food options were limited and very specific. Some type of entertainment option for a 4.5 hour flight would have been nice.

The Kayak confirmation number did not work for checking in the day before. I checked in at 8.30 using my ticket number. When I arrived at the airport, I was informed that the flight was overbooked, and since I had checked in late, I did not have a seat. The Next flight was not until ten PM. I called my wife, who had been taking care of our kids all weekend, and she was upset, calling me a liar and telling me to stay in SD. It turned my weekend getaway into a nightmare! I blame the Kayak website and will not book flights using your app in the future.

comfortable but the food is horrible. I have flown Hawaiian several times now and no matter what they say the food is its the same squashed bread with melted goop inside. Tastes fake and isnt what they represent, its quite nasty. What happend to real food? And there is NO entertainment!! so not sure why they are asking for a review on that.

Good and friendly staff. Nicely enjoyed the complimentary drink and snack.

I was very, very cold and a stranger loaned me her sweater next to me. I didn’t wanna buy a blanket just for a four hour trip when I did not need the pillow or the earphones. I don’t mind purchasing a blanket, but I only needed that not all of it accessories. Cold air pretty much blew the entire trip. Two people in front of me both bought the blanket packages. Maybe that’s the idea. The crew was exceptionally nice and passed through multiple times.. the restrooms were very clean and usually accessible.

3 hour wait on customer service after flight was cancelled. Was bumped to a flight where I wouldnt have gotten to my destination for another 2 days. Had to fully refund flight and book a new one the following morning. Paid twice the amount for the flight than I had originally booked. Very disappointed I was not offered any sort of discount or points for all of the frustration, in fact the airline profited twice as much off of me by cancelling my flight and and changing my entire trip.

I understand that both Hawaiian and Alaskan are in the process of merging but I could not get real-time flight info or access my boarding pass on either app

Had a hard time checking into my flight on my phone because they gave me the wrong confirmation number. Otherwise everything else went well.

All was good and they were able to seat my travel companion next to me. Thank you.

The flight crew where really good. Better then the crew from BNE to SFO

Food should be changed in menu Many muslims travels in this airlime they need to add one Halal meal

left on time, reasonable boarding process arrived early luggage came out quickly

Some flight attendants were great others were cranky. Seats were very tight and sitting on an aisle was very hard as the carts and people walking constantly bumped shoulder and arm.

Pushed back only to get deplaned due to a tire damaged by ground crew. They did at least go pretty fast. The bathrooms should be banned under the Geneva convention. No room to even sit straight on the toilet. The under-seat entertainment units block what little leg room there is.

United airlines has the best customer experience from booking to arrival. I always fly United airlines. The mileage program is excellent

from SFO-> FRA flight, AVML meal was significantly less compared to regular meal, especially no Desert, no Bread, no sides.

This was an older airplane. The cabin was constantly warm to hot throughout the 10 hour flight and there were no vents to personalize air flow. Also since it was an older plane, the material and comfort of the chairs were very uncomfortable. I left my flight with major soreness on my tailbone.

Older aircraft, no meal, only food was for purchase. Not impressed United.

Not pleasant trip cross country when the entertainment and WiFi system not working. No entertainment for entirety of route. Staff was rather nonchalant in that they dismissed the problem due to age of plane. It would have been nice to know this up front so I could have come prepared to read or download movies before boarding Coincidentally or not, there was a similar issue with the entertainment system on my previous flight I took on my fist leg of the trip. There are no seat TVs, so you must rely on the app when it works. United can do better. Also, what use it it to pay for boarding group 2 when half of the passengers are in the same line as you?

Everything you need to know for your flight from San Francisco to Boise

Information on your arrival and departure airports