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Cheap flights from Oakland (OAK) to Illinois from $38

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 5/28. 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.
OAK — ORD
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
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How far in advance should I book a flight from Oakland, California to Illinois?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 47 days in advance, which can save you up to 39% on flights from Oakland, California to Illinois compared to booking the week you need them. Waiting 47 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $323. For sooner than that we have options available in the next 3 days from $473.

What is the cheapest month to fly from Oakland, California to Illinois?

Our data shows that October tends to be the cheapest month to fly to Illinois from Oakland, California. Users have commonly found prices around $320 for the month, but tickets can be as low as $88. Due to multiple factors, prepare for potentially higher prices in June.

When is the cheapest time to fly from Oakland, California to Illinois (OAK - IL)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oakland, California to Illinois as you normally would.

Cheap Spirit Airlines flights from Oakland to Illinois

Explore cheap flight options specifically provided by Spirit Airlines for the route between Oakland and Illinois. 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 2,637,452 searches. Data last updated May 16, 2024.
Find some of the cheapest Spirit Airlines flights traveling from Oakland to Illinois. Make sure to double check the flight details before booking.
Wed 5/295:30 amOAK - ORD
1 stop14h 25mSpirit Airlines
Tue 6/1110:01 pmORD - OAK
1 stop15h 11mSpirit Airlines
Deal found 5/16$137
Tue 5/289:29 pmOAK - ORD
1 stop7h 01mSpirit Airlines
Thu 5/3010:57 pmORD - OAK
1 stop15h 14mSpirit Airlines
Deal found 5/16$138
Tue 6/119:29 pmOAK - ORD
1 stop7h 07mSpirit Airlines
Tue 6/1810:01 pmORD - OAK
1 stop15h 11mSpirit Airlines
Deal found 5/15$143
Tue 6/411:22 amOAK - ORD
1 stop16h 38mSpirit Airlines
Wed 6/1212:32 pmORD - OAK
1 stop12h 17mSpirit Airlines
Deal found 5/16$144
Wed 5/2912:02 pmOAK - ORD
1 stop7h 53mSpirit Airlines
Wed 6/1212:32 pmORD - OAK
1 stop12h 17mSpirit Airlines
Deal found 5/15$146
Wed 6/125:15 amOAK - ORD
1 stop14h 02mSpirit Airlines
Tue 6/1810:01 pmORD - OAK
1 stop15h 11mSpirit Airlines
Deal found 5/15$150
Wed 5/295:30 amOAK - ORD
1 stop14h 25mSpirit Airlines
Tue 6/1110:01 pmORD - OAK
2 stops16h 24mSpirit Airlines
Deal found 5/16$151
Wed 5/295:30 amOAK - ORD
1 stop14h 25mSpirit Airlines
Wed 6/1212:32 pmORD - OAK
1 stop12h 17mSpirit Airlines
Deal found 5/16$152
Wed 5/295:30 amOAK - ORD
1 stop14h 25mSpirit Airlines
Wed 6/512:32 pmORD - OAK
1 stop12h 17mSpirit Airlines
Deal found 5/15$154

Cheap Sun Country Air flights from Oakland to Illinois

Explore cheap flight options specifically provided by Sun Country Air for the route between Oakland and Illinois. 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 2,637,452 searches. Data last updated May 16, 2024.
Take a gander at the lowest prices we've found on Sun Country Air flights from Oakland to Illinois. Make sure to examine the flight information before completing your reservation.
Sun 6/1611:59 pmOAK - ORD
1 stop17h 07mSun Country Air
Wed 6/198:05 pmORD - OAK
1 stop28h 48mSun Country Air
Deal found 5/16$219
Thu 5/236:09 pmOAK - ORD
1 stop15h 29mSun Country Air
Sun 5/268:30 amORD - OAK
1 stop16h 14mSun Country Air
Deal found 5/15$289

Cheap Oakland to Illinois flights in May & June 2024

Find cheap flight options from Oakland to Illinois specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
These are some of the best deals we've found on flights to Illinois in 2024 at this time. For more flight deals, be sure to check back very soon.
Wed 5/295:30 amOAK - ORD
1 stop14h 25mSpirit Airlines
Tue 6/1110:01 pmORD - OAK
1 stop15h 11mSpirit Airlines
Deal found 5/16$137
Tue 5/289:29 pmOAK - ORD
1 stop7h 01mSpirit Airlines
Thu 5/3010:57 pmORD - OAK
1 stop15h 14mSpirit Airlines
Deal found 5/16$138
Tue 6/119:29 pmOAK - ORD
1 stop7h 07mSpirit Airlines
Tue 6/1810:01 pmORD - OAK
1 stop15h 11mSpirit Airlines
Deal found 5/15$143
Tue 6/411:22 amOAK - ORD
1 stop16h 38mSpirit Airlines
Wed 6/1212:32 pmORD - OAK
1 stop12h 17mSpirit Airlines
Deal found 5/16$144
Sun 6/1611:59 pmOAK - ORD
1 stop17h 07mMultiple Airlines
Tue 6/1810:01 pmORD - OAK
1 stop15h 11mMultiple Airlines
Deal found 5/15$145
Wed 5/2912:02 pmOAK - ORD
1 stop7h 53mSpirit Airlines
Wed 6/1212:32 pmORD - OAK
1 stop12h 17mSpirit Airlines
Deal found 5/15$146
Thu 5/3010:32 pmOAK - ORD
1 stop6h 08mSpirit Airlines
Tue 6/410:57 pmORD - OAK
1 stop10h 44mSpirit Airlines
Deal found 5/16$148
Wed 6/125:15 amOAK - ORD
1 stop14h 02mSpirit Airlines
Tue 6/1810:01 pmORD - OAK
1 stop15h 11mSpirit Airlines
Deal found 5/15$150
Wed 5/295:30 amOAK - ORD
1 stop14h 25mSpirit Airlines
Tue 6/1110:01 pmORD - OAK
2 stops16h 24mSpirit Airlines
Deal found 5/16$151

Oakland to Illinois 2024 flight deals

Discover exclusive flight deals for travel between Oakland and Illinois in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
These are some of the best deals we've found on flights to Illinois in 2024 at this time. For more flight deals, be sure to check back very soon.
Wed 5/295:30 amOAK - ORD
1 stop14h 25mSpirit Airlines
Tue 6/1110:01 pmORD - OAK
1 stop15h 11mSpirit Airlines
Deal found 5/16$137
Tue 5/289:29 pmOAK - ORD
1 stop7h 01mSpirit Airlines
Thu 5/3010:57 pmORD - OAK
1 stop15h 14mSpirit Airlines
Deal found 5/16$138
Tue 6/119:29 pmOAK - ORD
1 stop7h 07mSpirit Airlines
Tue 6/1810:01 pmORD - OAK
1 stop15h 11mSpirit Airlines
Deal found 5/15$143
Tue 6/411:22 amOAK - ORD
1 stop16h 38mSpirit Airlines
Wed 6/1212:32 pmORD - OAK
1 stop12h 17mSpirit Airlines
Deal found 5/16$144
Sun 6/1611:59 pmOAK - ORD
1 stop17h 07mMultiple Airlines
Tue 6/1810:01 pmORD - OAK
1 stop15h 11mMultiple Airlines
Deal found 5/15$145
Wed 5/2912:02 pmOAK - ORD
1 stop7h 53mSpirit Airlines
Wed 6/1212:32 pmORD - OAK
1 stop12h 17mSpirit Airlines
Deal found 5/15$146
Thu 5/3010:32 pmOAK - ORD
1 stop6h 08mSpirit Airlines
Tue 6/410:57 pmORD - OAK
1 stop10h 44mSpirit Airlines
Deal found 5/16$148
Wed 6/125:15 amOAK - ORD
1 stop14h 02mSpirit Airlines
Tue 6/1810:01 pmORD - OAK
1 stop15h 11mSpirit Airlines
Deal found 5/15$150
Wed 5/295:30 amOAK - ORD
1 stop14h 25mSpirit Airlines
Tue 6/1110:01 pmORD - OAK
2 stops16h 24mSpirit Airlines
Deal found 5/16$151

Oakland to Illinois flights leaving soon

Find last-minute flight options from Oakland to Illinois 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 2,637,452 searches. Data last updated May 16, 2024.
Have a look at some of the last-minute flights available departing from Oakland to Illinois. To prevent any unwanted surprises, users should verify their flight info before booking.
Sat 5/255:52 pmOAK - ORD
1 stop10h 48mSpirit Airlines
Tue 5/288:35 pmORD - OAK
1 stop14h 17mSpirit Airlines
Deal found 5/15$167
Sat 5/255:52 pmOAK - ORD
1 stop10h 48mSpirit Airlines
Wed 6/512:32 pmORD - OAK
1 stop13h 26mSpirit Airlines
Deal found 5/16$194
Wed 5/225:30 amOAK - ORD
1 stop9h 26mSpirit Airlines
Mon 6/310:57 pmORD - OAK
1 stop13h 27mSpirit Airlines
Deal found 5/15$200
Sat 5/255:52 pmOAK - ORD
1 stop10h 48mSpirit Airlines
Tue 6/410:57 pmORD - OAK
1 stop10h 44mSpirit Airlines
Deal found 5/16$209
Wed 5/225:30 amOAK - ORD
1 stop9h 26mSpirit Airlines
Tue 5/2810:52 pmORD - OAK
1 stop14h 20mSpirit Airlines
Deal found 5/14$210
Sat 5/255:52 pmOAK - ORD
1 stop10h 48mSpirit Airlines
Tue 6/410:52 pmORD - OAK
2 stops15h 33mSpirit Airlines
Deal found 5/16$231
Sat 5/255:52 pmOAK - ORD
1 stop10h 48mSpirit Airlines
Tue 5/2810:52 pmORD - OAK
1 stop14h 20mSpirit Airlines
Deal found 5/16$240
Wed 5/225:30 amOAK - ORD
1 stop14h 25mSpirit Airlines
Sun 5/261:13 pmORD - OAK
1 stop11h 46mSpirit Airlines
Deal found 5/14$251
Tue 5/215:30 amOAK - ORD
1 stop14h 25mSpirit Airlines
Tue 5/2810:52 pmORD - OAK
1 stop14h 20mSpirit Airlines
Deal found 5/16$267

One-way flights to Illinois from Oakland

Search for one-way flight options from Oakland to Illinois. 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 2,637,452 searches. Data last updated May 16, 2024.
Take a look at some of the best available options we've come across on one-way flights from Oakland to Illinois. Users can also find round-trip Oakland to Illinois flights by using the search form above.
Tue 5/289:29 pmOAK - STL
1 stop11h 17mSpirit Airlines
Deal found 5/16$38
Wed 6/125:15 amOAK - STL
1 stop5h 50mSpirit Airlines
Deal found 5/15$57
Wed 6/125:15 amOAK - STL
1 stop5h 50mSpirit Airlines
Deal found 5/15$66
Tue 6/411:22 amOAK - ORD
1 stop16h 38mSpirit Airlines
Deal found 5/15$69
Sun 6/1611:59 pmOAK - ORD
1 stop17h 07mSun Country Air
Deal found 5/15$70
Thu 5/3010:32 pmOAK - ORD
1 stop6h 08mSpirit Airlines
Deal found 5/15$72
Wed 5/2912:02 pmOAK - ORD
1 stop7h 53mSpirit Airlines
Deal found 5/15$73
Tue 5/289:29 pmOAK - ORD
1 stop7h 01mSpirit Airlines
Deal found 5/15$74
Wed 7/175:15 amOAK - STL
1 stop7h 51mSpirit Airlines
Deal found 5/15$76

Find flights from Oakland to Illinois within your budget

Customize your flight search to find flights from Oakland to Illinois 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 2,637,452 searches. Data last updated May 16, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$137 - $288

Route

Depart

Return

Price

OaklandChicago O'Hare Intl

OAK - ORD

OAKORD

Oakland

Wed 5/29

1 stop14h 25m

Chicago O'Hare Intl

Tue 6/11

1 stop15h 11m

$137

OaklandChicago O'Hare Intl

OAK - ORD

OAKORD

Oakland

Tue 5/28

1 stop7h 01m

Chicago O'Hare Intl

Thu 5/30

1 stop15h 14m

$138

OaklandChicago O'Hare Intl

OAK - ORD

OAKORD

Oakland

Tue 6/11

1 stop7h 07m

Chicago O'Hare Intl

Tue 6/18

1 stop15h 11m

$143

OaklandChicago O'Hare Intl

OAK - ORD

OAKORD

Oakland

Tue 6/4

1 stop16h 38m

Chicago O'Hare Intl

Wed 6/12

1 stop12h 17m

$144

OaklandChicago O'Hare Intl

OAK - ORD

OAKORD

Oakland

Sun 6/16

1 stop17h 07m

Chicago O'Hare Intl

Tue 6/18

1 stop15h 11m

$145

OaklandChicago O'Hare Intl

OAK - ORD

OAKORD

Oakland

Wed 5/29

1 stop7h 53m

Chicago O'Hare Intl

Wed 6/12

1 stop12h 17m

$146

OaklandChicago O'Hare Intl

OAK - ORD

OAKORD

Oakland

Sun 6/2

1 stop15h 19m

Chicago O'Hare Intl

Wed 6/5

2 stops9h 53m

$184

OaklandChicago O'Hare Intl

OAK - ORD

OAKORD

Oakland

Sun 6/16

1 stop17h 07m

Chicago O'Hare Intl

Wed 6/19

1 stop28h 48m

$219

OaklandLambert-St Louis

OAK - STL

OAKSTL

Oakland

Mon 8/26

1 stop8h 07m

Lambert-St Louis

Mon 9/2

1 stop6h 55m

$288

Flights are sorted by cheapest first

Deals found on 5/16

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated May 16, 2024.
Get a feel of what it's like to fly with Spirit Airlines, Sun Country Air and Alaska Airlines from Oakland to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,040 reviews
Check prices

Boarding

8.3

Crew

8.7

Comfort

8.1

Entertainment

7.8

Food

7.3

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Southwest
8.2
Very good
6,040 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Boarding

8.3

Crew

8.7

Comfort

8.1

Entertainment

7.8

Food

7.3

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Alaska Airlines
8.1
Very good
9,157 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Boarding

8.3

Crew

8.7

Comfort

8.1

Entertainment

7.8

Food

7.3

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Delta
8.0
Very good
10,673 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Boarding

8.3

Crew

8.7

Comfort

8.1

Entertainment

7.8

Food

7.3

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

American Airlines
7.3
Good
14,514 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Boarding

8.3

Crew

8.7

Comfort

8.1

Entertainment

7.8

Food

7.3

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Sun Country Air
7.2
Good
630 reviews
Southwest
8.2
Very good
6,040 reviews
Check prices

Boarding

8.3

Crew

8.7

Comfort

8.1

Entertainment

7.8

Food

7.3

Overall

8.2

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

Related info for your journey

Find useful and relevant information for your journey from Oakland to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Oakland to Illinois?

    Most people fly from Oakland (OAK) if they book a flight from Oakland to Illinois. Oakland is conveniently located just 7.0 mi from Oakland’s city center.

  • Can I find flights from Oakland, California to Illinois for under $200 on Cheapflights?

    Yes, there are multiple flights from Oakland, California to Illinois for under $200. The cheapest flight booked recently is on Spirit Airlines for just $137, but on average you can expect to pay $154.

  • Are there last-minute flights available from Oakland, California to Illinois for under $200?

    There are currently 20+ open flights from Oakland, California to Illinois within the next 7 days for less than $200.

  • What are the most popular routes from Oakland, California to Illinois?

    When deciding which route to take from Oakland, California to Illinois consider Oakland - Chicago O'Hare Intl, Oakland - Chicago Midway or Oakland - Lambert-St Louis as they are the most popular.

  • What are the most popular airlines that fly from Oakland, California to Illinois?

    The most popular airlines flying from Oakland, California to Illinois are American Airlines, Alaska Airlines and Delta. Something to consider prior to booking your flight.

  • What does OAK to ORD mean?

    Great question - OAK to ORD just means Oakland Airport to Chicago O'Hare Intl Airport. Now you’ll know what these unique codes when you look for flights! Chicago Midway Airport (MDW), Moline Quad-City Airport (MLI), Greater Peoria Airport (PIA), Bloomington-Normal Airport (BMI), Springfield Capital Airport (SPI) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from Oakland to Illinois that include extra baggage allowance?

    The amount of baggage you can bring on your Oakland to Illinois 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 Oakland to Illinois with specific airlines?

    Yes, Cheapflights allows you to browse and filter Oakland to Illinois 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 Oakland to Illinois that include hotel bookings?

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

  • How can I find direct flights from Oakland to Illinois?

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

  • Can I find deals for business class flights from Oakland to Illinois?

    Yes. Cheapflights offers flight deals from Oakland to Illinois 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 Oakland to Illinois that allow pets onboard?

    Many airlines flying from Oakland to Illinois 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 Oakland to Illinois?

    Yes, you can often find last-minute deals on Oakland to Illinois 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 Oakland, California to Illinois flight deals updated?

    The Oakland, California to Illinois flight deals you see on this page were last updated on 5/16.

See more FAQs

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Alternative routes for Oakland to Illinois
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Top 6 airlines flying from Oakland to Illinois

Discover the top 6 airlines that operate flights from Oakland to Illinois. 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 2,637,452 searches. Data last updated May 16, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$85Average$167FlexibilityNo cancel feeOn-time62%
Search Frontier flights
American AirlinesCheapest$153Average$365FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Spirit AirlinesCheapest$157Average$305FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
United AirlinesCheapest$186Average$394FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapest$192Average$446FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
DeltaCheapest$237Average$495FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Newark Airport to Toronto flights
Atlanta to Hawaii flights
Newark Airport to London flights
Florida to The Bahamas flights
New York John F Kennedy Intl Airport to San Francisco flights
Atlanta to Las Vegas flights
Las Vegas to Hawaii flights
Tampa to Atlanta flights
Boston to Newark Airport flights
Boston to Seattle flights
Chicago O'Hare Intl Airport to Phoenix flights
Oakland, California to Indiana flights

Search flights from Oakland to Illinois by cabin class

Find flights from Oakland to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Oakland to Illinois

Find hourly flight availability from Oakland to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 16, 2024.
58%of flight departuresEarly morningMidnight to 6 am
14%of flight departuresMorning6 am to noon
28%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

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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 Oakland to Illinois?

Cheapflights makes it easy to find Oakland to Illinois 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 Oakland to Illinois?

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

Can Cheapflights find flights from Oakland to Illinois with no change fees?

Yes! Cheapflights helps users easily find flights from Oakland to Illinois with no change fees.

Can Cheapflights notify me if prices for flights from Oakland to Illinois become cheaper?

Of course! You can now track prices for flights from Oakland to Illinois and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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