HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Pittsburgh (PIT) to San José del Cabo (SJD) from $265

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 5/22. 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.
PIT — SJD
May 14 — May 211
From?
To?
Tue 5/14
Tue 5/21
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Cheap flight deals from Pittsburgh to San José del Cabo

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to San José del Cabo (SJD). 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 May 9, 2024.

Popular in

December

Cheapest in

August

Round-trip from

$389

One-way from

$265
High demand for flights, 21% potential price rise
Search Deals
Best time to find cheap flights, 43% potential price drop
Search Deals
From Pittsburgh to San José del Cabo Los Cabos
Search Deals
One-way flight from Pittsburgh to San José del Cabo Los Cabos
Search Deals

What is the cheapest day to fly round-trip from Pittsburgh to San José del Cabo?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 52% when planning your travel around this day of the week.

What is the cheapest month to fly from Pittsburgh to San José del Cabo?

The best pricing can be found in the month of August. Prices to San José del Cabo from Pittsburgh average $517. You can even find prices in August for less than $517, as users have found deals to San José del Cabo from as low as $266. The month of December appears to be one of the more expensive times to travel to San José del Cabo from Pittsburgh. Flying in the targeted month can save you up to 26%.

When is the cheapest time to fly from Pittsburgh to San José del Cabo (PIT - SJD)?

It’s typically best to fly out from Pittsburgh to San José del Cabo at noon. Doing so could potentially save you 20% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap American Airlines flights from Pittsburgh to San José del Cabo

Explore cheap flight options specifically provided by American Airlines for the route between Pittsburgh and San José del Cabo. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 9, 2024.
Consider these cheap American Airlines flights we've found departing from Pittsburgh to San José del Cabo. Make sure to double check the flight details before booking.
Wed 8/145:05 amPIT - SJD
2 stops10h 05mAmerican Airlines
Wed 8/2112:20 pmSJD - PIT
2 stops17h 54mAmerican Airlines
Deal found 5/8$398
Tue 6/185:07 amPIT - SJD
2 stops10h 18mAmerican Airlines
Tue 6/259:15 amSJD - PIT
1 stop11h 12mAmerican Airlines
Deal found 5/8$399
Tue 6/185:07 amPIT - SJD
2 stops10h 18mAmerican Airlines
Tue 6/251:25 pmSJD - PIT
2 stops16h 52mAmerican Airlines
Deal found 5/8$413
Mon 7/226:42 amPIT - SJD
1 stop7h 43mAmerican Airlines
Sat 7/2712:25 pmSJD - PIT
1 stop8h 32mAmerican Airlines
Deal found 5/8$433
Sat 7/207:00 pmPIT - SJD
1 stop17h 09mAmerican Airlines
Sat 7/2712:25 pmSJD - PIT
1 stop17h 49mAmerican Airlines
Deal found 5/8$435
Thu 7/117:00 pmPIT - SJD
1 stop17h 09mAmerican Airlines
Tue 7/164:14 pmSJD - PIT
1 stop15h 41mAmerican Airlines
Deal found 5/8$436
Mon 7/226:42 amPIT - SJD
1 stop7h 43mAmerican Airlines
Sat 7/274:15 pmSJD - PIT
2 stops13h 59mAmerican Airlines
Deal found 5/8$438
Thu 7/117:00 pmPIT - SJD
1 stop17h 09mAmerican Airlines
Tue 7/164:14 pmSJD - PIT
2 stops17h 43mAmerican Airlines
Deal found 5/8$439
Fri 5/315:17 amPIT - SJD
1 stop13h 06mAmerican Airlines
Tue 6/49:00 amSJD - PIT
1 stop8h 20mAmerican Airlines
Deal found 5/8$451

Cheap United Airlines flights from Pittsburgh to San José del Cabo

Explore cheap flight options specifically provided by United Airlines for the route between Pittsburgh and San José del Cabo. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 9, 2024.
To aid your search, here are some of the cheapest United Airlines flights we've found from Pittsburgh to San José del Cabo. Deals frequently update to provide users with more options.
Fri 5/316:25 amPIT - SJD
1 stop9h 18mUnited Airlines
Tue 6/410:00 amSJD - PIT
1 stop26h 46mUnited Airlines
Deal found 5/8$542
Sat 6/86:25 amPIT - SJD
1 stop7h 06mUnited Airlines
Sat 6/1510:00 amSJD - PIT
1 stop9h 32mUnited Airlines
Deal found 5/8$681
Sat 6/86:25 amPIT - SJD
1 stop7h 06mUnited Airlines
Sat 6/1510:00 amSJD - PIT
2 stops21h 30mUnited Airlines
Deal found 5/8$740

Cheap Pittsburgh to San José del Cabo flights in May & June 2024

Find cheap flight options from Pittsburgh to San José del Cabo specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 9, 2024.
These are some of the most attractive deals on flights from Pittsburgh to San José del Cabo in 2024. Check back regularly for other flight deals.
Tue 6/185:27 amPIT - SJD
1 stop6h 45mAmerican Airlines
Tue 6/259:15 amSJD - PIT
1 stop11h 12mAmerican Airlines
Deal found 5/8$396
Tue 6/185:07 amPIT - SJD
2 stops10h 18mAmerican Airlines
Tue 6/259:15 amSJD - PIT
1 stop11h 12mAmerican Airlines
Deal found 5/8$399
Tue 6/185:07 amPIT - SJD
2 stops10h 18mAmerican Airlines
Tue 6/251:25 pmSJD - PIT
2 stops16h 52mAmerican Airlines
Deal found 5/8$413
Fri 5/315:17 amPIT - SJD
1 stop13h 06mAmerican Airlines
Tue 6/49:00 amSJD - PIT
1 stop8h 20mAmerican Airlines
Deal found 5/8$451
Fri 5/316:00 amPIT - SJD
2 stops12h 23mAmerican Airlines
Tue 6/49:00 amSJD - PIT
2 stops12h 03mAmerican Airlines
Deal found 5/8$454
Mon 5/206:00 amPIT - SJD
2 stops13h 26mDelta
Thu 5/236:58 amSJD - PIT
2 stops11h 25mDelta
Deal found 5/8$471
Mon 5/206:31 amPIT - SJD
2 stops11h 52mAmerican Airlines
Thu 5/239:00 amSJD - PIT
1 stop11h 26mAmerican Airlines
Deal found 5/8$476
Fri 5/3111:11 amPIT - SJD
2 stops13h 40mDelta
Tue 6/412:23 pmSJD - PIT
1 stop8h 25mDelta
Deal found 5/8$481
Fri 5/316:00 amPIT - SJD
2 stops12h 23mAmerican Airlines
Tue 6/44:23 pmSJD - PIT
2 stops17h 41mAmerican Airlines
Deal found 5/8$528

Pittsburgh to San José del Cabo 2024 flight deals

Discover exclusive flight deals for travel between Pittsburgh and San José del Cabo in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 9, 2024.
These are some of the most attractive deals on flights from Pittsburgh to San José del Cabo in 2024. Check back regularly for other flight deals.
Wed 8/146:45 amPIT - SJD
2 stops12h 35mDelta
Wed 8/2112:12 pmSJD - PIT
1 stop9h 01mDelta
Deal found 5/8$396
Wed 8/145:05 amPIT - SJD
2 stops10h 05mAmerican Airlines
Wed 8/2112:20 pmSJD - PIT
2 stops17h 54mAmerican Airlines
Deal found 5/8$398
Tue 6/185:07 amPIT - SJD
2 stops10h 18mAmerican Airlines
Tue 6/259:15 amSJD - PIT
1 stop11h 12mAmerican Airlines
Deal found 5/8$399
Tue 6/185:07 amPIT - SJD
2 stops10h 18mAmerican Airlines
Tue 6/251:25 pmSJD - PIT
2 stops16h 52mAmerican Airlines
Deal found 5/8$413
Mon 7/226:42 amPIT - SJD
1 stop7h 43mAmerican Airlines
Sat 7/2712:25 pmSJD - PIT
1 stop8h 32mAmerican Airlines
Deal found 5/8$433
Sat 7/207:00 pmPIT - SJD
1 stop17h 09mAmerican Airlines
Sat 7/2712:25 pmSJD - PIT
1 stop17h 49mAmerican Airlines
Deal found 5/8$435
Thu 7/117:00 pmPIT - SJD
1 stop17h 09mAmerican Airlines
Tue 7/164:14 pmSJD - PIT
1 stop15h 41mAmerican Airlines
Deal found 5/8$436
Mon 7/226:42 amPIT - SJD
1 stop7h 43mAmerican Airlines
Sat 7/274:15 pmSJD - PIT
2 stops13h 59mAmerican Airlines
Deal found 5/8$438
Thu 7/117:00 pmPIT - SJD
1 stop17h 09mAmerican Airlines
Tue 7/164:14 pmSJD - PIT
2 stops17h 43mAmerican Airlines
Deal found 5/8$439

One-way flights to San José del Cabo from Pittsburgh

Search for one-way flight options from Pittsburgh to San José del Cabo. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,338 searches. Data last updated May 9, 2024.
Some of the best available deals we've found on one-way flights from Pittsburgh to San José del Cabo. Users in need of a round-trip flight from Pittsburgh to San José del Cabo instead should update the search form at the top of page.
Wed 5/226:25 amPIT - SJD
1 stop11h 07mUnited Airlines
Deal found 5/8$265
Wed 5/226:00 amPIT - SJD
2 stops12h 31mDelta
Deal found 5/8$298

Find flights from Pittsburgh to San José del Cabo within your budget

Customize your flight search to find flights from Pittsburgh to San José del Cabo 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 2,752,338 searches. Data last updated May 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$396 - $561

Route

Depart

Return

Price

PittsburghSan José del Cabo Los Cabos

PIT - SJD

PITSJD

Pittsburgh

Wed 8/14

2 stops12h 35m

San José del Cabo Los Cabos

Wed 8/21

1 stop9h 01m

$396

PittsburghSan José del Cabo Los Cabos

PIT - SJD

PITSJD

Pittsburgh

Wed 8/14

2 stops10h 05m

San José del Cabo Los Cabos

Wed 8/21

2 stops17h 54m

$398

PittsburghSan José del Cabo Los Cabos

PIT - SJD

PITSJD

Pittsburgh

Tue 6/18

2 stops10h 18m

San José del Cabo Los Cabos

Tue 6/25

1 stop11h 12m

$399

PittsburghSan José del Cabo Los Cabos

PIT - SJD

PITSJD

Pittsburgh

Tue 6/18

2 stops10h 18m

San José del Cabo Los Cabos

Tue 6/25

2 stops16h 52m

$413

PittsburghSan José del Cabo Los Cabos

PIT - SJD

PITSJD

Pittsburgh

Mon 7/22

1 stop7h 43m

San José del Cabo Los Cabos

Sat 7/27

1 stop8h 32m

$433

PittsburghSan José del Cabo Los Cabos

PIT - SJD

PITSJD

Pittsburgh

Mon 5/20

2 stops13h 26m

San José del Cabo Los Cabos

Thu 5/23

2 stops11h 25m

$471

PittsburghSan José del Cabo Los Cabos

PIT - SJD

PITSJD

Pittsburgh

Fri 5/31

2 stops13h 40m

San José del Cabo Los Cabos

Tue 6/4

1 stop8h 25m

$481

PittsburghSan José del Cabo Los Cabos

PIT - SJD

PITSJD

Pittsburgh

Fri 5/31

1 stop9h 18m

San José del Cabo Los Cabos

Tue 6/4

1 stop26h 46m

$542

PittsburghSan José del Cabo Los Cabos

PIT - SJD

PITSJD

Pittsburgh

Mon 6/3

2 stops27h 30m

San José del Cabo Los Cabos

Mon 6/10

3 stops30h 43m

$561

Flights are sorted by cheapest first

Deals found on 5/8

When is the best time to book a flight from Pittsburgh to San José del Cabo?

Use this chart to determine the optimal time to book a round-trip flight from Pittsburgh to San José del Cabo. Price data was last updated on May 3, 2024.
The best time to book flights from Pittsburgh to San José del Cabo is 5 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

When is the cheapest time to fly from Pittsburgh to San José del Cabo?

Use this chart to determine the cheapest time to fly round-trip from Pittsburgh to San José del Cabo. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Pittsburgh to San José del Cabo flight should consider departing on Saturday evenings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to San José del Cabo by month

Plan your trip from Pittsburgh to San José del Cabo by taking into account the cheapest months to travel. The average price of a one-way flight from Pittsburgh to San José del Cabo is currently $282 while a round-trip flight costs $455. Price data was last updated on May 5, 2024.

Currently, August is the cheapest month in which you can book a flight from Pittsburgh to San José del Cabo (average of $389). Flying from Pittsburgh to San José del Cabo in March is currently the most expensive (average of $508). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$425

February

$465

March

$508

April

$480

May

$487

June

$504

July

$426

August

$389

September

$390

October

$492

November

$475

December

$442

Temperature and rainfall in San José del Cabo by month

Plan your trip to San José del Cabo by taking into account the average temperature and rainfall totals by month.

SJD

Temperature

66.2 - 84.2 °F

Reviews of airlines servicing San José del Cabo

Get insights into the airlines that provide service to San José del Cabo. 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 San José del Cabo. Reviews last updated May 9, 2024.
Read through reviews of airlines operating flights from Pittsburgh to San José del Cabo, such as American Airlines, United Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,789 reviews
Check prices

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.1
Very good
10,789 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
11,043 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

American Airlines
7.3
Good
14,677 reviews
Delta
8.1
Very good
10,789 reviews
Check prices

Overall

8.1

Crew

8.6

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Pittsburgh to San José del Cabo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Pittsburgh to San José del Cabo for under $400 on Cheapflights?

    Yes, there are multiple flights from Pittsburgh to San José del Cabo for under $400. The cheapest flight booked recently is on Delta for just $396, but on average you can expect to pay $455.

  • What are the cheapest airlines flying from Pittsburgh to San José del Cabo round-trip?

    Flying on Delta is currently your cheapest option to San José del Cabo, with prices starting at $396. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $398 and $542, respectively. These flights start at 23% lower than the current average price 3 months from now.

  • What are the most popular airlines that fly from Pittsburgh to San José del Cabo?

    Before booking your flight from Pittsburgh to San José del Cabo check out the most popular airlines for this route: American Airlines, Aeromexico or Delta.

  • What does PIT to SJD mean?

    Great question - PIT to SJD just means Pittsburgh Airport to San José del Cabo Los Cabos Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Pittsburgh to San José del Cabo that include extra baggage allowance?

    The amount of baggage you can bring on your Pittsburgh to San José del Cabo flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Pittsburgh to San José del Cabo with specific airlines?

    Yes, Cheapflights allows you to browse and filter Pittsburgh to San José del Cabo flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Pittsburgh to San José del Cabo that include hotel bookings?

    Yes. In addition to deals on Pittsburgh to San José del Cabo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pittsburgh to San José del Cabo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pittsburgh to San José del Cabo.

  • Can I find deals for business class flights from Pittsburgh to San José del Cabo?

    Yes. Cheapflights offers flight deals from Pittsburgh to San José del Cabo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Pittsburgh to San José del Cabo that allow pets onboard?

    Many airlines flying from Pittsburgh to San José del Cabo offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Pittsburgh to San José del Cabo?

    Yes, you can often find last-minute deals on Pittsburgh to San José del Cabo flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Pittsburgh to San José del Cabo flight deals updated?

    The Pittsburgh to San José del Cabo flight deals you see on this page were last updated on 5/8.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pittsburgh to San José del Cabo
See prices for flight routes from nearby airports that may be better suited for you.

Philadelphia to San José del Cabo flights
Allentown to San José del Cabo flights
Harrisburg to San José del Cabo flights
Scranton to San José del Cabo flights

Top 4 airlines flying from Pittsburgh to San José del Cabo

Discover the top 4 airlines that operate flights from Pittsburgh to San José del Cabo. 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 2,752,338 searches. Data last updated May 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$281Average$520FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$291Average$531FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
AeromexicoCheapest$382Average$642FlexibilityNo cancel feeOn-timeN/A
Search Aeromexico flights
DeltaCheapest$455Average$605FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Seattle to Hawaii flights
San Francisco to Los Angeles flights
New York to Hawaii flights
Dallas to Boston flights
San Jose to Las Vegas flights
Newark Airport to Atlanta flights
Chicago to Washington, D.C. flights
Washington, D.C. to Miami flights
Dallas to Las Vegas flights
Newark Airport to Phoenix flights
Dallas to Charlotte flights
Pittsburgh to Sarajevo flights

Search flights from Pittsburgh to San José del Cabo by cabin class

Find flights from Pittsburgh to San José del Cabo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Ordu/Giresun
Flights to Hakodate
Flights to Gazipasa
Flights to Kirkwall Arpt
Flights to Skiathos
Flights to Bourgas
Flights to Kalamata
Flights to Menorca/Mahon
Flights to Mytilene
Flights to Mason City
Flights to Pau Pyrénées
Flights to Neiva La Marguita
Flights to Cortez Montezuma County
Flights to Biarritz Parme
Flights to Parikia Paros
Flights to Ohrid
Flights to Edremit/Korfez
Flights to Naxos
Flights to Dalaman
Flights to Lublin
Flights to Miyakojima Hirara
Flights to Champaign University-Willard
Flights to Kagoshima
Flights to Constanţa Mihail Kogalniceanu

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Pittsburgh to San José del Cabo?

Cheapflights makes it easy to find Pittsburgh to San José del Cabo flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Pittsburgh to San José del Cabo?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Pittsburgh to San José del Cabo for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Pittsburgh to San José del Cabo with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Pittsburgh to San José del Cabo flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Pittsburgh to San José del Cabo become cheaper?

Not ready to book yet? You can track prices for flights from Pittsburgh to San José del Cabo on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines