Find flights
When to book
Airlines
FAQs

Cheap flights from Ottawa to Raleigh from C$ 328

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 5/6. 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.
YOW — RDU
4 Jun — 11 Jun1
1 adult
Tue 4/6
Tue 11/6

Cheap flight deals from Ottawa to Raleigh

Discover tips and strategies to find the most affordable flight options for your journey from Ottawa (YOW) to Raleigh (RDU). 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 30 May 2024.

Popular in

June

Cheapest in

January

Round-trip from

C$ 530

One-way from

C$ 328
High demand for flights, 18% potential price rise
Search Deals
Best time to find cheap flights, 16% potential price drop
Search Deals
From Ottawa to Raleigh-Durham
Search Deals
One-way flight from Ottawa to Raleigh-Durham
Search Deals

What is the cheapest day to fly round-trip from Ottawa to Raleigh?

Travellers have found that booking a Tuesday departure is the best way to save up to 39% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Ottawa to Raleigh?

January can be a great time to fly to Raleigh from Ottawa with a flight ticket averaging about C$ 756. Cheapflights users have found deals in the month of January for as cheap as C$ 562. The most expensive prices can be found in the month of June.

What is the cheapest time of day to fly from YOW to RDU?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 41% on flights from Ottawa to Raleigh by exploring options for tickets at noon.

Cheap United Airlines flights from Ottawa to Raleigh

Explore cheap flight options specifically provided by United Airlines for the route between Ottawa and Raleigh. 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 426,053 searches. Data last updated 30 May 2024.
Find some of the cheapest United Airlines flights travelling from Ottawa to Raleigh. Deals update often to give you more flight options matching your criteria
Sat 13/76:03 p.m.YOW - RDU
1 stop4h 57mUnited Airlines
Mon 22/76:21 a.m.RDU - YOW
1 stop15h 31mUnited Airlines
Deal found 29/5C$ 721
Fri 16/86:05 a.m.YOW - RDU
2 stops17h 30mUnited Airlines
Sun 25/87:15 a.m.RDU - YOW
1 stop5h 27mUnited Airlines
Deal found 29/5C$ 854
Fri 19/77:30 p.m.YOW - RDU
1 stop13h 55mUnited Airlines
Mon 22/76:21 a.m.RDU - YOW
1 stop15h 31mUnited Airlines
Deal found 29/5C$ 1,069
Fri 19/77:30 p.m.YOW - RDU
1 stop13h 55mUnited Airlines
Mon 22/710:27 a.m.RDU - YOW
2 stops11h 49mUnited Airlines
Deal found 29/5C$ 1,370

Cheap WestJet flights from Ottawa to Raleigh

Explore cheap flight options specifically provided by WestJet for the route between Ottawa and Raleigh. 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 426,053 searches. Data last updated 30 May 2024.
Some of the best deals we've found on WestJet flights travelling from Ottawa to Raleigh. Make sure to examine the flight information before completing your reservation.
Fri 16/88:15 p.m.YOW - RDU
2 stops23h 33mWestJet
Sun 25/83:35 p.m.RDU - YOW
2 stops29h 07mWestJet
Deal found 29/5C$ 742
Sat 13/79:35 p.m.YOW - RDU
2 stops36h 49mWestJet
Mon 22/76:49 p.m.RDU - YOW
2 stops36h 03mWestJet
Deal found 29/5C$ 836
Sun 30/63:25 p.m.YOW - RDU
2 stops19h 09mWestJet
Mon 8/76:30 a.m.RDU - YOW
2 stops14h 12mWestJet
Deal found 29/5C$ 980

Cheap Ottawa to Raleigh flights in May & June 2024

Find cheap flight options from Ottawa to Raleigh specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 426,053 searches. Prices were last updated on 30 May 2024.
These are some of the best deals we've found on flights to Raleigh in 2024 at this time. Check back in a little while for more flight options.
Fri 7/64:15 p.m.YOW - RDU
2 stops25h 25mMultiple Airlines
Tue 11/69:15 p.m.RDU - YOW
2 stops20h 12mMultiple Airlines
Deal found 29/5C$ 759
Sun 30/69:00 p.m.YOW - RDU
1 stop14h 47mAir Canada
Mon 8/76:00 a.m.RDU - YOW
1 stop4h 58mAir Canada
Deal found 29/5C$ 765
Fri 7/64:10 p.m.YOW - RDU
3 stops25h 30mMultiple Airlines
Tue 11/66:40 p.m.RDU - YOW
2 stops17h 02mMultiple Airlines
Deal found 29/5C$ 781
Fri 7/66:55 p.m.YOW - RDU
3 stops22h 45mMultiple Airlines
Tue 11/66:40 p.m.RDU - YOW
3 stops17h 59mMultiple Airlines
Deal found 29/5C$ 788
Sun 30/63:25 p.m.YOW - RDU
2 stops19h 09mWestJet
Mon 8/76:30 a.m.RDU - YOW
2 stops14h 12mWestJet
Deal found 29/5C$ 980
Fri 7/67:30 p.m.YOW - RDU
2 stops14h 06mMultiple Airlines
Tue 11/67:55 p.m.RDU - YOW
1 stop4h 00mMultiple Airlines
Deal found 29/5C$ 1,021

Ottawa to Raleigh 2024 flight deals

Discover exclusive flight deals for travel between Ottawa and Raleigh in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 426,053 searches. Data last updated 30 May 2024.
These are some of the best deals we've found on flights to Raleigh in 2024 at this time. Check back in a little while for more flight options.
Sat 13/76:03 p.m.YOW - RDU
1 stop4h 57mUnited Airlines
Mon 22/76:21 a.m.RDU - YOW
1 stop15h 31mUnited Airlines
Deal found 29/5C$ 721
Fri 16/88:15 p.m.YOW - RDU
2 stops23h 33mWestJet
Sun 25/83:35 p.m.RDU - YOW
2 stops29h 07mWestJet
Deal found 29/5C$ 742
Fri 7/64:15 p.m.YOW - RDU
2 stops25h 25mMultiple Airlines
Tue 11/69:15 p.m.RDU - YOW
2 stops20h 12mMultiple Airlines
Deal found 29/5C$ 759
Fri 16/84:15 p.m.YOW - RDU
3 stops25h 13mMultiple Airlines
Sun 25/86:30 p.m.RDU - YOW
3 stops25h 37mMultiple Airlines
Deal found 29/5C$ 761
Sun 30/69:00 p.m.YOW - RDU
1 stop14h 47mAir Canada
Mon 8/76:00 a.m.RDU - YOW
1 stop4h 58mAir Canada
Deal found 29/5C$ 765
Sat 13/72:30 p.m.YOW - RDU
3 stops27h 01mMultiple Airlines
Mon 22/76:21 p.m.RDU - YOW
2 stops23h 01mMultiple Airlines
Deal found 29/5C$ 773
Fri 16/84:15 p.m.YOW - RDU
2 stops25h 13mMultiple Airlines
Sun 25/86:30 p.m.RDU - YOW
3 stops25h 37mMultiple Airlines
Deal found 29/5C$ 777
Fri 7/64:10 p.m.YOW - RDU
3 stops25h 30mMultiple Airlines
Tue 11/66:40 p.m.RDU - YOW
2 stops17h 02mMultiple Airlines
Deal found 29/5C$ 781
Fri 7/66:55 p.m.YOW - RDU
3 stops22h 45mMultiple Airlines
Tue 11/66:40 p.m.RDU - YOW
3 stops17h 59mMultiple Airlines
Deal found 29/5C$ 788

Ottawa to Raleigh flights leaving soon

Find last-minute flight options from Ottawa to Raleigh for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 426,053 searches. Data last updated 30 May 2024.
Have a look at some of the flights available from Ottawa to Raleigh departing last-minute. Users should be sure to double check the price, date, and time of their last-minute flight.
Fri 7/64:15 p.m.YOW - RDU
2 stops25h 25mMultiple Airlines
Tue 11/69:15 p.m.RDU - YOW
2 stops20h 12mMultiple Airlines
Deal found 29/5C$ 759
Fri 7/64:10 p.m.YOW - RDU
3 stops25h 30mMultiple Airlines
Tue 11/66:40 p.m.RDU - YOW
2 stops17h 02mMultiple Airlines
Deal found 29/5C$ 781
Fri 7/66:55 p.m.YOW - RDU
3 stops22h 45mMultiple Airlines
Tue 11/66:40 p.m.RDU - YOW
3 stops17h 59mMultiple Airlines
Deal found 29/5C$ 788
Fri 7/66:00 p.m.YOW - RDU
1 stop15h 36mMultiple Airlines
Tue 11/67:55 p.m.RDU - YOW
1 stop4h 00mMultiple Airlines
Deal found 29/5C$ 1,021

One-way flights to Raleigh from Ottawa

Search for one-way flight options from Ottawa to Raleigh. 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 426,053 searches. Data last updated 30 May 2024.
Take a look at some of the best available options we've come across on one-way flights from Ottawa to Raleigh. Users can also find round-trip Ottawa to Raleigh flights by using the search form above.
Wed 5/64:15 p.m.YOW - RDU
1 stop23h 43mMultiple Airlines
Deal found 29/5C$ 328
Wed 5/67:20 a.m.YOW - RDU
2 stops26h 32mMultiple Airlines
Deal found 29/5C$ 345
Tue 4/64:15 p.m.YOW - RDU
1 stop21h 26mMultiple Airlines
Deal found 29/5C$ 368
Tue 4/64:15 p.m.YOW - RDU
2 stops21h 21mMultiple Airlines
Deal found 29/5C$ 382
Wed 5/61:15 p.m.YOW - RDU
3 stops28h 25mMultiple Airlines
Deal found 29/5C$ 400
Tue 4/66:55 p.m.YOW - RDU
3 stops18h 41mMultiple Airlines
Deal found 29/5C$ 421

Find flights from Ottawa to Raleigh within your budget

Customize your flight search to find flights from Ottawa to Raleigh 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 426,053 searches. Data last updated 30 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

C$ 721 - C$ 854

Route

Depart

Return

Price

OttawaRaleigh-Durham

YOW - RDU

YOWRDU

Ottawa

Sat 13/7

1 stop4h 57m

Raleigh-Durham

Mon 22/7

1 stop15h 31m

C$ 721

OttawaRaleigh-Durham

YOW - RDU

YOWRDU

Ottawa

Fri 16/8

2 stops23h 33m

Raleigh-Durham

Sun 25/8

2 stops29h 07m

C$ 742

OttawaRaleigh-Durham

YOW - RDU

YOWRDU

Ottawa

Fri 16/8

3 stops25h 13m

Raleigh-Durham

Sun 25/8

3 stops25h 37m

C$ 761

OttawaRaleigh-Durham

YOW - RDU

YOWRDU

Ottawa

Sun 30/6

1 stop14h 47m

Raleigh-Durham

Mon 8/7

1 stop4h 58m

C$ 765

OttawaRaleigh-Durham

YOW - RDU

YOWRDU

Ottawa

Sat 13/7

3 stops27h 01m

Raleigh-Durham

Mon 22/7

2 stops23h 01m

C$ 773

OttawaRaleigh-Durham

YOW - RDU

YOWRDU

Ottawa

Fri 16/8

2 stops25h 13m

Raleigh-Durham

Sun 25/8

3 stops25h 37m

C$ 777

OttawaRaleigh-Durham

YOW - RDU

YOWRDU

Ottawa

Sat 13/7

2 stops36h 49m

Raleigh-Durham

Mon 22/7

2 stops36h 03m

C$ 836

OttawaRaleigh-Durham

YOW - RDU

YOWRDU

Ottawa

Sat 13/7

3 stops27h 01m

Raleigh-Durham

Mon 22/7

3 stops25h 46m

C$ 844

OttawaRaleigh-Durham

YOW - RDU

YOWRDU

Ottawa

Fri 16/8

2 stops17h 30m

Raleigh-Durham

Sun 25/8

1 stop5h 27m

C$ 854

Flights are sorted by cheapest first

Deals found on 29/5

What is the cheapest day to fly from Ottawa to Raleigh?

Use this chart to determine the cheapest time to fly round-trip from Ottawa to Raleigh. Price data was last updated on 26 May 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ottawa to Raleigh flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Ottawa to Raleigh

Have a flexible travel schedule? Discover the best time to fly to Raleigh from Ottawa with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Raleigh by month

Plan your trip to Raleigh by taking into account the average temperature and rainfall totals by month.

RDU

Temperature

5 - 27 °C

Reviews of airlines servicing Raleigh

Get insights into the airlines that provide service to Raleigh. 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 Raleigh. Reviews last updated 30 May 2024.
See what other customers who have flown with United Airlines and WestJet from Ottawa to Raleigh have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.5
Good
2,866 reviews
Check prices

Entertainment

6.4

Comfort

7.3

Food

6.4

Boarding

7.7

Overall

7.5

Crew

8.1

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

WestJet
7.5
Good
2,866 reviews
WestJet
7.5
Good
2,866 reviews
Check prices

Entertainment

6.4

Comfort

7.3

Food

6.4

Boarding

7.7

Overall

7.5

Crew

8.1

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

United Airlines
7.4
Good
10,777 reviews
WestJet
7.5
Good
2,866 reviews
Check prices

Entertainment

6.4

Comfort

7.3

Food

6.4

Boarding

7.7

Overall

7.5

Crew

8.1

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

Air Canada
7.0
Good
7,004 reviews
WestJet
7.5
Good
2,866 reviews
Check prices

Entertainment

6.4

Comfort

7.3

Food

6.4

Boarding

7.7

Overall

7.5

Crew

8.1

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

Related info for your journey

Find useful and relevant information for your journey from Ottawa to Raleigh. 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 Ottawa to Raleigh for under C$ 800 on Cheapflights?

    Yes, there are multiple flights from Ottawa to Raleigh for under C$ 800. The cheapest flight booked recently is on United Airlines for just C$ 721, but on average you can expect to pay C$ 874.

  • Are there last-minute flights available from Ottawa to Raleigh for under C$ 800?

    There are currently 4+ open flights from Ottawa to Raleigh within the next 7 days for less than C$ 800.

  • What are the cheapest airlines flying from Ottawa to Raleigh round-trip?

    According to our current data, United Airlines (C$ 721), WestJet (C$ 742), and Air Canada (C$ 765) offers the cheapest pricing from Ottawa to Raleigh. You may be able to fly from Ottawa to Raleigh for 4% less than the average price by searching for these airlines.

  • What does YOW to RDU mean?

    YOW and RDU are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. YOW to RDU refers to a flight route from Ottawa Airport to Raleigh-Durham Airport.

  • Can I find deals for flights from Ottawa to Raleigh that include extra baggage allowance?

    The amount of baggage you can bring on your Ottawa to Raleigh 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 Ottawa to Raleigh with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ottawa to Raleigh 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 Ottawa to Raleigh that include hotel bookings?

    Yes. In addition to deals on Ottawa to Raleigh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ottawa to Raleigh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ottawa to Raleigh.

  • Can I find deals for business class flights from Ottawa to Raleigh?

    Yes. Cheapflights offers flight deals from Ottawa to Raleigh 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 Ottawa to Raleigh that allow pets onboard?

    Many airlines flying from Ottawa to Raleigh 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 Ottawa to Raleigh?

    Yes, you can often find last-minute deals on Ottawa to Raleigh 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 Ottawa to Raleigh flight deals updated?

    The Ottawa to Raleigh flight deals you see on this page were last updated on 29/5.

  • What is the cheapest month to book a flight from Ottawa to Raleigh?

    Currently, January is the cheapest month in which you can book a flight from Ottawa to Raleigh (average of C$ 388). Flying from Ottawa to Raleigh in June is currently the most expensive (average of C$ 533). 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.

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 Ottawa to Raleigh
See prices for flight routes from nearby airports that may be better suited for you.

Pearson Intl to Charlotte flights
Pearson Intl to Raleigh flights
Pearson Intl to Myrtle Beach flights
Pierre Elliott Trudeau Intl to Myrtle Beach flights
Pierre Elliott Trudeau Intl to Raleigh flights
Toronto Island to Raleigh flights
Pierre Elliott Trudeau Intl to Charlotte flights
Pearson Intl to Knoxville flights
Toronto Island to Charlotte flights
Pearson Intl to Norfolk flights
Pearson Intl to Asheville flights
Toronto Island to Myrtle Beach flights
Pearson Intl to Greensboro flights
Ottawa to Myrtle Beach flights
Ottawa to Norfolk flights
Pierre Elliott Trudeau Intl to Norfolk flights
Pearson Intl to Wilmington flights
Ottawa to Charlotte flights
Pierre Elliott Trudeau Intl to Asheville flights
Pierre Elliott Trudeau Intl to Greensboro flights
Pierre Elliott Trudeau Intl to Knoxville flights
Pierre Elliott Trudeau Intl to Fayetteville flights
Pearson Intl to Fayetteville flights
London to Myrtle Beach flights
Ottawa to Asheville flights
Thunder Bay to Asheville flights
Pearson Intl to Blountville flights
Pearson Intl to New Bern flights

Top 2 airlines flying from Ottawa to Raleigh

Discover the top 2 airlines that operate flights from Ottawa to Raleigh. 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 426,053 searches. Data last updated 30 May 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 561AverageC$ 710FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 622AverageC$ 838FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Canada to New York flights
Toronto to Dubai flights
Ottawa to New York flights
Canada to New Delhi flights
Seattle to Los Angeles flights
Montreal to Detroit flights
Montreal to Bogotá flights
Montreal to Miami flights
Yellowknife to Calgary flights
Winnipeg to Edmonton flights
Toronto to Dammam flights
Ottawa to Recife flights

Search flights from Ottawa to Raleigh by cabin class

Find flights from Ottawa to Raleigh, 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 Zakynthos Dionsios Salomos
Flights to Saint Peter Jersey
Flights to Ibague
Flights to Monrovia Roberts Intl
Flights to Dawson City
Flights to Maracaibo La Chinita
Flights to Dalaman
Flights to Naxos
Flights to Montgomery Dannelly Field
Flights to Suceava Salcea
Flights to Nador
Flights to Fayetteville
Flights to Tampico Gen F Javier Mina
Flights to Sioux Falls Joe Foss Field
Flights to General Santos Intl
Flights to Grand Junction Regnl
Flights to Sulaymaniyah Int.
Flights to Traverse City Cherry Capital
Flights to Tofino Long Beach
Flights to Niagara Falls
Flights to Butuan
Flights to Samarkand
Flights to Churchill
Flights to Arcata Eureka

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 Ottawa to Raleigh?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ottawa to Raleigh. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Ottawa to Raleigh?

Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to Raleigh for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ottawa to Raleigh with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ottawa to Raleigh, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ottawa to Raleigh become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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