SMF - STL

$79 Find Cheap Flights from Sacramento to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sacramento to St. Louis departing on 2/6. 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 St. Louis

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sacramento to St. Louis, 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 Sacramento to St. Louis, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$158
Overall average: $271
Frontier
Fri 1/9Wed 1/14
SMF - STL • 1 stop
Cheapest non-stop
$522
Southwest
Thu 2/19Mon 2/23
SMF - STL • Non-stop
Our travelers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
Park on level 3 at SMF for skybridge access.
Use MetroLink for easy access to downtown STL.
Expert advice
Expert advice
Expert advice
Expert advice
When to book
5 weeks
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 61% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
February
Cheapest • 38% price drop
June
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Nonstop flights
6 days a week
There are direct flights from Sacramento to St. Louis 6 days a week: Mon, Tue, Thu, Fri, Sat, Sun.
Direct flights
Direct flights
Direct flights
Direct flights
Start a new search
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We hope you love your trip to St. Louis!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Sacramento to St. Louis (SMF-STL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sacramento to St. Louis 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 Sacramento to St. Louis

Fri, Jan 9 - Wed, Jan 14
Frontier Logo
12:02 pm - 10:02 am
SMF
-
STL
20h 00m1 stop
Frontier Logo
3:43 pm - 12:28 pm
STL
-
SMF
22h 45m1 stop
$158Frontier
Fri, Jan 9 - Sat, Jan 10
Frontier Logo
12:02 pm - 10:02 am
SMF
-
STL
20h 00m1 stop
Frontier Logo
7:43 pm - 1:13 pm
STL
-
SMF
19h 30m1 stop
$163Frontier
Sun, Jan 11 - Wed, Jan 14
Frontier Logo
10:37 am - 12:12 pm
SMF
-
STL
23h 35m1 stop
Frontier Logo
3:43 pm - 12:28 pm
STL
-
SMF
22h 45m1 stop
$164Frontier
Thu, Jan 8 - Wed, Jan 14
Frontier Logo
2:19 pm - 10:02 am
SMF
-
STL
17h 43m1 stop
Frontier Logo
3:43 pm - 12:28 pm
STL
-
SMF
22h 45m1 stop
$171Frontier
Thu, Jan 8 - Sat, Jan 10
Frontier Logo
2:19 pm - 10:02 am
SMF
-
STL
17h 43m1 stop
Frontier Logo
7:43 pm - 1:13 pm
STL
-
SMF
19h 30m1 stop
$175Frontier
Fri, Jan 9 - Wed, Jan 14
Frontier Logo
12:02 pm - 10:02 am
SMF
-
STL
20h 00m1 stop
Frontier Logo
3:43 pm - 10:50 am
STL
-
SMF
21h 07m2 stops
$179Frontier
Fri, Jan 30 - Sun, Feb 1
Frontier Logo
12:03 pm - 2:46 pm
SMF
-
STL
24h 43m1 stop
Frontier Logo
9:32 pm - 12:53 pm
STL
-
SMF
17h 21m1 stop
$181Frontier
Sun, Jan 11 - Wed, Jan 14
Frontier Logo
10:37 am - 12:12 pm
SMF
-
STL
23h 35m1 stop
Frontier Logo
3:43 pm - 10:50 am
STL
-
SMF
21h 07m2 stops
$184Frontier
Thu, Jan 8 - Wed, Jan 14
Frontier Logo
2:19 pm - 10:02 am
SMF
-
STL
17h 43m1 stop
Frontier Logo
3:43 pm - 10:50 am
STL
-
SMF
21h 07m2 stops
$191Frontier
Thu, Jan 8 - Fri, Jan 9
Frontier Logo
2:19 pm - 10:02 am
SMF
-
STL
17h 43m1 stop
Frontier Logo
10:16 pm - 2:54 pm
STL
-
SMF
18h 38m1 stop
$195Frontier
Booking Insights

KAYAK's insights & trends for Sacramento to St. Louis flights

Get data-powered insights and trends into flights from Sacramento to St. Louis 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 Sacramento to St. Louis?

The average price of all round-trip flights from Sacramento to St. Louis clicked on KAYAK for each day over the last 12 months.

For Sacramento to St. Louis, Wednesday is the cheapest day to fly on average and Sunday is the most expensive. Flying from St. Louis back to Sacramento, the best deals are generally found on Friday, with Sunday being the most expensive.

What is the cheapest month to fly from Sacramento to St. Louis?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sacramento to St. Louis, 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 Sacramento to St. Louis is February, where tickets cost $256 (return) on average. On the other hand, the most expensive months are December and October, where the average cost of round-trip tickets is $547 and $465 respectively.

Can I save money by flying with a layover from Sacramento to St. Louis?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $455, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Sacramento to St. Louis?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Sacramento to St. Louis, 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 Sacramento to St. Louis, you should book around 5 weeks before departure, which saves you about 61% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Expert advice

Expert advice for your flight from Sacramento to St. Louis

 
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.
Airports
SMF

For a time-saving tip, park on level 3 of lot #3 for direct skybridge access to Terminal B at SMF.

STL

Use MetroLink for a convenient and cost-effective way to reach downtown St. Louis from STL.

Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on STL

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Bill Fink

Bill Fink

Expert on SMF

Bill Fink

Bill Fink

Bill is an award-winning travel writer with extensive credits covering airlines and the aviation industry for publications including AARP, AFAR, The Points Guy and Yahoo. Based in Portland, Oregon, Bill has traveled to more than 75 countries - and been late for his flight in most of them. He once achieved top-level frequent flier status for all of American, Delta and United Airlines during a single year.

Read more

Good to know

Low seasonJanuary
Cheapest flight$79
Best time to beat the crowds with an average 35% drop in price.
Most popular time to fly and prices are also 2% lower on average.
Flight from Sacramento to St. Louis

When to book flights from Sacramento to St. Louis

Are your dates flexible? Find out the best times to travel from Sacramento to St. Louis 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 Sacramento to St. Louis

  • Does Sacramento International Airport have any attraction amenities?

    Sacramento International Airport (SMF) does have an art program called the Sacramento Metropolitan Arts Commission's Airport Arts Program. This program features various exhibitions and installations throughout the airport terminals and concourses. The art program at SMF aims to enhance the overall passenger experience by showcasing a diverse range of artwork created by local, regional, and national artists. The exhibitions typically include paintings, sculptures, photographs, and other forms of visual art.

  • How do I get to Sacramento International Airport?

    If you want a quick and smooth ride to Sacramento International Airport (SMF), you have several transportation options. You can reach the airport by car via Interstate 5 or Interstate 80, following the signs for the airport. Additionally, you can take public transportation such as buses like Yolobus Airport Express Route 42A or light rail. Taxis, ride-sharing services, and airport shuttles are also available for transportation to SMF.

  • What is the carry-on luggage policy on flights from SMF to STL?

    The specific carry-on luggage policy for flights from Sacramento International Airport (SMF) to St. Louis Lambert International Airport (STL) can vary depending on the airline you are flying with. Spirit Airlines has specific carry-on luggage policies. They allow one personal item, like a small backpack, or a purse at no extra fee. However, they charge for larger carry-on bags that exceed the dimensions of 22 x 18 x 10 inches (including handles and wheels).

  • What travel options are available from STL airport to the city center?

    From St. Louis Lambert International Airport (STL), you have several transportation options to reach the city center. The most common options include taxis, ride-sharing services, and airport shuttles. Additionally, public transportation options like MetroLink light rail and bus services are available. Rental cars are also available at the airport if you prefer to drive yourself. With a taxi, you can take approximately 20-30 minutes while MetroLink rail takes about 30-40 minutes to the city center.

  • What is the cheapest flight from Sacramento to St. Louis?

    In the last 3 days, the lowest price for a flight from Sacramento to St. Louis was $79 for a one-way ticket and $158 for a round-trip.

  • Do I need a passport to fly between Sacramento and St. Louis?

    A passport is not required to fly from Sacramento to St. Louis.

  • Which airports will I be using when flying from Sacramento to St. Louis?

    On your way to St. Louis, you’ll fly out from Sacramento Intl. You’ll be landing at Lambert-St Louis.

  • Which airlines offer Wi-Fi service onboard planes from Sacramento to St. Louis?

    Delta, JetBlue, and American Airlines offer inflight Wi-Fi service on the Sacramento to St. Louis flight route.

  • Which aircraft models fly most regularly from Sacramento to St. Louis?

    The Boeing 737 MAX 8 is the aircraft model that flies most regularly on the Sacramento to St. Louis flight route.

  • Which airline alliances offer flights from Sacramento to St. Louis?

    Star Alliance, SkyTeam, and oneworld are the airline alliances operating flights between Sacramento and St. Louis, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Sacramento to St. Louis?

    There are nonstop flights from Sacramento to St. Louis on a daily basis.

  • Which is the best airline for flights from Sacramento to St. Louis, Alaska Airlines or Southwest?

    The two airlines most popular with KAYAK users for flights from Sacramento to St. Louis are Alaska Airlines and Southwest. With an average price for the route of $532 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Southwest is also a great choice for the route, with an average price of $549 and an overall rating of 7.9.

  • How does KAYAK find such low prices on flights from Sacramento to St. Louis?

    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 Sacramento to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sacramento to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Sacramento 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 Sacramento to St. Louis?

    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 St. Louis with an airline and back to Sacramento with another airline. Booking your flights between Sacramento and STL 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 Sacramento to St. Louis?

    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 St. Louis from Sacramento 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 Sacramento to St. Louis

  • Looking for a cheap flight? 25% of our users found flights on this route for $228 or less one-way and $337 or less round-trip.
  • United Airlines operating between Sacramento and St Louis does offer special dietary meals to accommodate passengers with specific dietary requirements or preferences. Some examples of special dietary meals offered by United Airlines include vegetarian, vegan, gluten-free, kosher, and low-sodium meals, among others.
  • American Airlines flights between Sacramento and St Louis offer multiple classes of seats on their flights, including Economy Class, Premium Economy Class, Business Class, and First Class. Note that these class seats offer different services and amenities.
  • Southwest Airlines operating between Sacramento and St Louis generally offers complimentary snacks and non-alcoholic beverages on their flights. The airline also offers entertainment services including movies, TV shows, and games to keep passengers entertained on their flights.
  • United Airlines operating between Sacramento and ST Louis has taken several initiatives to promote sustainability. They have pledged to lower greenhouse gas emissions, invest in environmentally friendly aviation fuel, use fuel-efficient vehicles, and encourage recycling and waste minimization. To further sustainability activities, they also emphasize community involvement and environmental alliances.
  • Onboard accessibility services are available on Frontier Airlines from Sacramento to St Louis. Passengers with special needs or disabilities are accommodated as much as possible. Assistance with boarding, disembarking from the plane, and navigating the cabin are just a few of these services.

Prefer to fly direct from Sacramento to St. Louis?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Sacramento Intl to Lambert-St Louis.
Find which airlines fly direct from Sacramento Intl Airport to Lambert-St Louis Airport, which days they fly and book direct flights.

Direct departures

Sacramento Intl to Lambert-St Louis

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Direct returns

Lambert-St Louis to Sacramento Intl

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Reviews of the top 5 airlines serving from Sacramento to St. Louis

 
See real verified KAYAK customer reviews for airlines flying from Sacramento to St. Louis. 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 Sacramento to St. Louis? 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 11427 reviews
7.0Entertainment
7.8Comfort
7.1Food
8.5Crew
8.1Boarding
Airline reviews

Poor. They should have given me a row with more room and instead they put me in a middle seat with two strangers next to me

4.0 OkayAnonymous, Dec 2025
SFO - JFK
Read more Alaska Airlines reviews

Poor. They should have given me a row with more room and instead they put me in a middle seat with two strangers next to me

They were so kind to us! The entire staff were so good to us when we had our service dog join our trip and we couldn't be more grateful!

Larger seats and more room would elevate the experience. Otherwise, it was good!

Flight crew and flight were good. But it departed two hours late.

They changed our flight from a one stop 3 hour layover to a non-stop. Saved us hours and got us there sooner.

The ground crew did not supply drink or snacks during the layover in SFO. So there weren't many options. Otherwise, it was all great.

No accommodation or credit offered for cancelled layover flight to Eugene from portland

I love a red eye flight. No lines to wait in. Lots of turbulence on the flight and a very shaky landing.

I truly appreciated the kindness and attentiveness of the staff and flight attendants. They did their best to be prompt with departure times to San Diego and back to New York! Alaska Airlines ... you are awesome!!

Flight from PSP delayed ~2hs and missed connection. Terrible service providing acommodations & food (no rides - just the hotel van every 30 min, which you have to call). 12 dollars in food for a 9 hour delay. 30+ minutes to get everything sorted out.

The boarding and seat assignment system no longer works for me, but I know it is being replaced. Otherwise, I am good with the overall experience.

The lead steward kept singing about "San Francisco" and hotel California---more annoying than humorous....needs work. Flight was smooth and on time.

San Diego airport is brand new, spacious, airy and very smooth checkin at SW baggage drop.

Crew could have been friendlier, maybe I'm spoiled by SW crews. In flight wifi was good. Would be nice to have more food offerings on a 4 plus hour flight

Ever since Southwest starting charging for bags, passengers don't want to pay to check their bags, so the gate agents have to beg people to check their roller bags now because there's "not enough space". This was a terrible business move by Southwest.

Sacrament staff are always polite and helpful. Airport is easy to maneuver and boarding is straightforward.

Boarded on time but once we were ready for take off, the crew determined that, although every seat was taken, somehow someone was on the wrong flight. Delay, delay delay, announcements and ended up with one person checking EVERY ID against their passenger Manifest only to figure out it was a "clerical error." We departed 54 minutes late causing me to run in the St. Louis Airport to make my connection and lose the priority boarding spot I had paid for. Unnecessary delay.

Flight was delayed due to plane not passing inspection And one of the crew had to time out and we had to wait for another one A 3 hour delay

As always, the entire Southwest experience was wonderful, from online booking to flight to baggage retrieval. Very grateful.

The weather could have been better. There was a 40 minute ATC delay in SFO because of marine fog and a micro cell storm delayed landing and take-off at Nashville. The gate was changed 5 minutes from boarding from gate B3 to gate C23 at Nashville airport.

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.

The boarding process needs to be refined. Sometimes the gate crew calls out the zones and then flip to showing the.zones boarding on the gate monitor display. So, unless you are huddled around the gate lanes watching the monitor, you could miss your boarding zone. Suggest the zones be announced each time a new zone is allowed to board.

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.

This route with Delta always has delays or is cancelled. Aircrafts seem smaller and older. I fly Delta quite a bit - haven’t had issues with the international flights. But this route has always been the troublesome one

My husband upgraded our seats and I don't know if it was due to the type of planet was or if they didn't upgrade our seats. We were supposed to be in I believe comfort seats and they were just as tight as any other seat- no leg room and we are very tall people but at least it wasn't extremely cold. My husband did put in a complaint about our seating because he paid extra and if we would have known that the space and the tightness would have been the same, we just would have gotten the emergency row emergency row seats that we normally get. We love Delta but both our flights coming home we're not good. Oh I forgot to mention that on our flight to Hawaii our luggage wheels got broke and we had to purse new luggage on vacation then we never had this problem so we didn't know protocol and reported it after we got home only for them to tell is we only had 24hrs to report the damage. Not sure what was going on with Delta this vacation trip.

Crew was excellent. Comfort seats not as nice as other kinds of planes.

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?

Premium Plus is a really good idea for longer flights

Lately I like the planes have been exceptionally filthy. There’s lines of dust and dirt all across the ceiling in the vents, and the cracks in between the seats are literally full of food. It’s definitely not the quality of service that I was used to with United. I’m also very disappointed with the Wi-Fi! All I wanna do is knock out a few work jobs while I’m trapped in my seat And it spools so bad. They did provide me with a refund, but the process of getting that refund is so complicated. It’s unfortunate.

Excellent flight. Smooth, efficient boarding. Quick flight. Arrived early at STL.

The flight attendants were great, I joked with one I can’t remember her name, a blond, really sweet. I thought it was run well very professional. This was great i survived Spirit, I know for which I speak.

I was in first class. The outlets at my seat did not work. The plane was shabby and run down. I had prepurchsed a day subscription for internet that was not redeemable. I had to repurchase the internet for my flight and then it didn’t work anyway. Quite disappointed in what was supposed to be the launch of a great vacation.

I understand stuff happens, but plane failures are likely due to lack of maintenance. Additionally, air conditioning wasn't working, no snack/drink service, no WiFi. Fortunately, the crew was communicative and light-hearted. United grabbed another plane and we were able to get to our destination.

Stuck on tarmac for two hours plus a 5.5 hour flight. Rude flight attendant. And no meals, not even for purchase!

I learned that seating towards the end of plane that a line forms for the restroom and people use your chair as a hand railing, bumping your seat consistently. I was seated in the aisle. I think that next time if I am towards the back row I would want to sit in the middle or window seat.

Horrible. Both legs of my flight were delayed more than 6 hours. No compensation, no screens on the plane, and the plane was not clean.

The flight was smooth, the pilot kept us informed about delays and we arrived more of less on time

The flight was flawless and we even arrived between 20 and 25 minutes early!

Always seated jammed in rear of aircraft Admirals Club food at DFW terminal D was absolute worst food experience and I pay $600/year to eat this dried out junk

Mostly good. Flight was crowded but Airline personnel were very friendly & accommodating. It would be good to have savory snacks rather than just sweet Biscoff cookies.

It was a red eye flight, so no meals were provided, but it was fine with snacks. The seats felt cramped and almost too narrow.

Very crowded flight but what can you expect these days?? Crew was accommodating.

The seats in economy were appeared to be quite thin and lack sufficient cushioning to be comfortable. Perhaps it was my seating position but the plane seemed notably load.

The entertainment package was vast and the selections were very current. Keep updating it was great.

The seat was so hard my tailbone was aching The crew was kind of a b**** because I made a joke that I didn't care if they close the door I total c*** when she was trying to f****** act like she was mad at me because I said that The flight was bumpy. Sure you didnt have control over that.

Everything you need to know for your flight from Sacramento to St. Louis

Information on your arrival and departure airports