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Cheap flights from Chicago (CHI) to Portugal from $254

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 9/16. 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.
CHI — LIS
May 8 — May 151
From?
To?
Wed 5/8
Wed 5/15
1 adult, Economy
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How far in advance should I book a flight from Chicago to Portugal?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 57 days in advance, which can save you up to 18% on flights from Chicago to Portugal compared to booking the week you need them. Waiting 57 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 $705. For sooner than that we have options available in the next 3 days from $796.

What is the cheapest month to fly from Chicago to Portugal?

Flights from Chicago to Portugal lean towards being more expensive in July. Prices are generally better when you fly from Chicago to Portugal in January, with the cheapest ticket starting at $430.

When is the cheapest time to fly from Chicago to Portugal (CHI - PT)?

When flying from Chicago to Portugal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap United Airlines flights from Chicago to Portugal

Explore cheap flight options specifically provided by United Airlines for the route between Chicago and Portugal. 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 2,899,487 searches. Data last updated May 3, 2024.
Find some of the cheapest United Airlines flights traveling from Chicago to Portugal. It's recommended that users confirm their flight details before booking.
Tue 10/299:13 pmORD - LIS
1 stop32h 17mUnited Airlines
Thu 12/55:00 amLIS - ORD
1 stop21h 05mUnited Airlines
Deal found 5/2$610
Sun 10/278:55 amORD - LIS
1 stop20h 35mUnited Airlines
Wed 11/275:00 amLIS - ORD
1 stop16h 15mUnited Airlines
Deal found 5/2$634
Sun 8/1810:55 amORD - LIS
1 stop16h 25mUnited Airlines
Tue 8/2711:25 amLIS - ORD
2 stops31h 36mUnited Airlines
Deal found 5/2$651
Tue 7/234:35 pmORD - OPO
1 stop11h 10mUnited Airlines
Fri 8/1612:35 pmOPO - ORD
2 stops16h 40mUnited Airlines
Deal found 5/2$924
Thu 7/46:10 pmORD - PDL
1 stop9h 30mUnited Airlines
Sat 7/1311:00 amPDL - ORD
1 stop10h 45mUnited Airlines
Deal found 5/1$999
Wed 6/122:25 pmORD - OPO
1 stop10h 30mUnited Airlines
Wed 7/39:00 amOPO - ORD
2 stops15h 55mUnited Airlines
Deal found 5/1$1,022
Fri 6/72:25 pmORD - OPO
1 stop10h 30mUnited Airlines
Thu 7/119:00 amOPO - ORD
1 stop13h 45mUnited Airlines
Deal found 5/2$1,061
Fri 7/266:07 pmORD - PDL
1 stop9h 33mUnited Airlines
Fri 8/211:00 amPDL - ORD
1 stop10h 45mUnited Airlines
Deal found 5/1$1,136
Fri 7/264:35 pmORD - PDL
1 stop11h 05mUnited Airlines
Fri 8/211:00 amPDL - ORD
2 stops14h 21mUnited Airlines
Deal found 5/1$1,140

Cheap Air Canada flights from Chicago to Portugal

Explore cheap flight options specifically provided by Air Canada for the route between Chicago and Portugal. 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 2,899,487 searches. Data last updated May 3, 2024.
Browse through some of the cheapest Air Canada flights traveling from Chicago to Portugal. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Tue 10/298:35 pmORD - LIS
1 stop31h 45mAir Canada
Thu 12/55:00 amLIS - ORD
2 stops22h 59mAir Canada
Deal found 5/2$626
Sun 10/272:30 pmORD - LIS
1 stop13h 50mAir Canada
Wed 11/2711:00 amLIS - ORD
2 stops27h 05mAir Canada
Deal found 5/2$639
Sun 8/182:15 pmORD - LIS
2 stops13h 05mAir Canada
Tue 8/2711:25 amLIS - ORD
1 stop26h 33mAir Canada
Deal found 5/2$669
Sun 8/183:40 pmORD - LIS
1 stop11h 40mAir Canada
Fri 8/3011:25 amLIS - ORD
2 stops17h 49mAir Canada
Deal found 5/2$673
Tue 5/710:55 amORD - OPO
2 stops18h 35mAir Canada
Fri 5/108:40 amOPO - ORD
2 stops18h 04mAir Canada
Deal found 5/1$827
Fri 5/106:00 amORD - OPO
2 stops22h 25mAir Canada
Sat 5/256:00 amOPO - ORD
2 stops20h 16mAir Canada
Deal found 5/2$1,303
Sun 5/122:15 pmORD - LIS
1 stop14h 55mAir Canada
Sun 5/267:30 amLIS - ORD
2 stops18h 46mAir Canada
Deal found 5/1$1,386

Cheap Chicago to Portugal flights in May & June 2024

Find cheap flight options from Chicago to Portugal specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Prices were last updated on May 3, 2024.
Check out some of the best flight deals from Chicago to Portugal in 2024. For more flight deals, be sure to check back very soon.
Fri 5/34:20 pmORD - OPO
1 stop17h 20mKLM
Fri 5/105:00 amOPO - ORD
1 stop15h 20mKLM
Deal found 5/2$657
Fri 5/35:45 pmMDW - OPO
2 stops15h 45mDelta
Fri 5/179:15 amOPO - MDW
2 stops18h 46mDelta
Deal found 5/2$657
Fri 5/35:45 pmMDW - OPO
2 stops15h 45mDelta
Fri 5/105:00 amOPO - MDW
2 stops18h 06mDelta
Deal found 5/2$659
Fri 5/34:20 pmORD - OPO
1 stop23h 55mKLM
Fri 5/179:15 amOPO - ORD
2 stops17h 40mKLM
Deal found 5/2$660
Fri 5/34:20 pmORD - OPO
1 stop17h 20mKLM
Fri 5/179:15 amOPO - ORD
2 stops16h 56mKLM
Deal found 5/1$661
Fri 5/31:23 pmORD - OPO
2 stops20h 17mDelta
Fri 5/105:00 amOPO - ORD
1 stop15h 20mDelta
Deal found 5/2$662
Fri 5/35:25 pmORD - OPO
2 stops16h 15mDelta
Fri 5/179:15 amOPO - ORD
2 stops20h 40mDelta
Deal found 5/1$669
Fri 5/35:25 pmORD - OPO
2 stops16h 15mDelta
Fri 5/179:15 amOPO - ORD
2 stops20h 40mDelta
Deal found 5/2$670
Fri 5/35:25 pmORD - OPO
2 stops16h 15mDelta
Fri 5/105:00 amOPO - ORD
2 stops19h 45mDelta
Deal found 5/2$672

Chicago to Portugal 2024 flight deals

Discover exclusive flight deals for travel between Chicago and Portugal in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 3, 2024.
Check out some of the best flight deals from Chicago to Portugal in 2024. For more flight deals, be sure to check back very soon.
Wed 11/65:20 pmORD - OPO
1 stop11h 30mDelta
Wed 12/115:00 amOPO - ORD
1 stop15h 30mDelta
Deal found 5/2$515
Wed 11/611:19 amORD - OPO
2 stops17h 31mDelta
Wed 12/115:00 amOPO - ORD
1 stop15h 30mDelta
Deal found 5/2$520
Wed 11/65:20 pmORD - OPO
1 stop11h 30mAir France
Thu 11/1411:45 amOPO - ORD
2 stops18h 14mAir France
Deal found 5/2$522
Wed 11/65:20 pmORD - OPO
1 stop11h 30mDelta
Thu 11/145:00 amOPO - ORD
2 stops21h 32mDelta
Deal found 5/1$525
Wed 11/61:35 pmORD - OPO
2 stops15h 15mAir France
Thu 11/1411:45 amOPO - ORD
2 stops18h 14mAir France
Deal found 5/2$527
Fri 11/15:30 pmORD - OPO
1 stop20h 45mKLM
Sun 11/105:00 amOPO - ORD
1 stop15h 30mKLM
Deal found 5/2$528
Wed 11/611:19 amORD - OPO
2 stops17h 31mDelta
Wed 12/115:00 amOPO - ORD
2 stops22h 34mDelta
Deal found 5/2$529
Mon 11/43:50 pmORD - OPO
2 stops17h 35mDelta
Sat 11/95:00 amOPO - ORD
1 stop15h 30mDelta
Deal found 5/1$533
Sun 11/104:30 pmORD - OPO
1 stop16h 55mKLM
Tue 11/1911:45 amOPO - ORD
2 stops18h 14mKLM
Deal found 5/2$536

Non-stop flights to Portugal from Chicago

Discover non-stop flight options from Chicago to Portugal. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,899,487 searches. Data last updated May 3, 2024.
To help reduce your travel time, choose from one of these non-stop flights from Chicago to Portugal. Users seeking other options on flights from Chicago to Portugal should update the search form at the top of the page.
Mon 10/216:00 pmORD - LIS
Nonstop8h 00mTAP AIR PORTUGAL
Fri 10/2512:40 pmLIS - ORD
Nonstop9h 20mTAP AIR PORTUGAL
Deal found 5/1$580
Fri 10/186:00 pmORD - LIS
Nonstop7h 55mTAP AIR PORTUGAL
Fri 10/2512:40 pmLIS - ORD
Nonstop9h 20mTAP AIR PORTUGAL
Deal found 5/1$582
Sun 10/206:00 pmORD - LIS
Nonstop7h 55mTAP AIR PORTUGAL
Mon 10/211:05 pmLIS - ORD
Nonstop9h 10mTAP AIR PORTUGAL
Deal found 5/1$607
Mon 10/216:00 pmORD - LIS
Nonstop8h 00mTAP AIR PORTUGAL
Wed 10/3011:55 amLIS - ORD
Nonstop9h 35mTAP AIR PORTUGAL
Deal found 5/2$613
Fri 10/186:00 pmORD - LIS
Nonstop7h 55mTAP AIR PORTUGAL
Wed 10/2312:35 pmLIS - ORD
Nonstop9h 35mTAP AIR PORTUGAL
Deal found 5/1$616
Sun 10/136:00 pmORD - LIS
Nonstop7h 55mTAP AIR PORTUGAL
Fri 10/2512:40 pmLIS - ORD
Nonstop9h 20mTAP AIR PORTUGAL
Deal found 5/1$635
Mon 10/76:00 pmORD - LIS
Nonstop8h 00mTAP AIR PORTUGAL
Wed 10/1612:35 pmLIS - ORD
Nonstop9h 35mTAP AIR PORTUGAL
Deal found 5/1$646
Mon 10/146:00 pmORD - LIS
Nonstop8h 00mTAP AIR PORTUGAL
Mon 10/211:05 pmLIS - ORD
Nonstop9h 10mTAP AIR PORTUGAL
Deal found 5/2$649
Wed 10/26:00 pmORD - LIS
Nonstop8h 00mTAP AIR PORTUGAL
Wed 10/1612:35 pmLIS - ORD
Nonstop9h 35mTAP AIR PORTUGAL
Deal found 5/1$651

Chicago to Portugal flights leaving soon

Find last-minute flight options from Chicago to Portugal 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 2,899,487 searches. Data last updated May 3, 2024.
Book one of these great deals on flights from Chicago to Portugal. Users should examine the flight details to ensure there are no surprises.
Tue 5/74:20 pmORD - OPO
1 stop23h 55mKLM
Fri 5/105:00 amOPO - ORD
1 stop15h 20mKLM
Deal found 5/1$747
Tue 5/74:20 pmORD - OPO
1 stop23h 55mKLM
Fri 5/105:00 amOPO - ORD
2 stops17h 49mKLM
Deal found 5/2$757
Tue 5/710:55 amORD - OPO
2 stops18h 35mAir Canada
Fri 5/108:40 amOPO - ORD
2 stops18h 04mAir Canada
Deal found 5/1$827
Sun 5/123:00 pmORD - LIS
2 stops33h 50mMultiple Airlines
Mon 5/2010:00 pmLIS - ORD
2 stops21h 10mMultiple Airlines
Deal found 5/2$927
Tue 5/75:09 pmORD - FNC
2 stops43h 46mMultiple Airlines
Mon 5/134:45 pmFNC - ORD
1 stop35h 01mMultiple Airlines
Deal found 5/2$931
Sun 5/128:30 pmORD - LIS
1 stop31h 25mTurkish Airlines
Mon 5/2010:55 amLIS - ORD
1 stop28h 45mTurkish Airlines
Deal found 5/1$942
Tue 5/711:11 amORD - LIS
1 stop17h 39mMultiple Airlines
Thu 5/169:55 pmLIS - ORD
2 stops33h 13mMultiple Airlines
Deal found 5/1$947
Sat 5/113:45 pmORD - LIS
2 stops16h 00mMultiple Airlines
Sun 5/195:55 amLIS - ORD
1 stop16h 10mMultiple Airlines
Deal found 5/2$965
Tue 5/74:35 pmORD - LIS
1 stop25h 10mMultiple Airlines
Thu 5/168:35 pmLIS - ORD
2 stops34h 33mMultiple Airlines
Deal found 5/1$994

One-way flights to Portugal from Chicago

Search for one-way flight options from Chicago to Portugal. 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 2,899,487 searches. Data last updated May 3, 2024.
Take a look at some of the one-way flights we've detected from Chicago to Portugal. For those needing a return trip from Chicago, there is a search form available above.
Mon 9/1611:38 amMDW - LIS
2 stops26h 27mMultiple Airlines
Deal found 5/1$254
Mon 9/1611:38 amMDW - LIS
2 stops26h 27mMultiple Airlines
Deal found 5/2$256
Tue 9/175:19 pmORD - LIS
2 stops21h 36mMultiple Airlines
Deal found 5/1$264
Mon 9/3011:38 amMDW - LIS
2 stops24h 47mMultiple Airlines
Deal found 5/2$270
Mon 9/28:13 pmMDW - LIS
2 stops43h 57mMultiple Airlines
Deal found 5/1$280
Sun 6/26:40 pmORD - LIS
3 stops44h 35mMultiple Airlines
Deal found 5/2$284
Sun 9/85:19 pmORD - LIS
2 stops21h 56mMultiple Airlines
Deal found 5/1$285
Fri 9/1311:14 amORD - OPO
2 stops38h 31mMultiple Airlines
Deal found 5/1$293
Mon 9/95:19 pmORD - LIS
2 stops19h 01mMultiple Airlines
Deal found 5/1$296

Find flights from Chicago to Portugal within your budget

Customize your flight search to find flights from Chicago to Portugal 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 2,899,487 searches. Data last updated May 3, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$580 - $638

Route

Depart

Return

Price

Chicago O'Hare IntlLisbon Humberto Delgado

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Fri 10/18

Nonstop7h 55m

Lisbon Humberto Delgado

Fri 10/25

Nonstop9h 20m

$580

Chicago O'Hare IntlLisbon Humberto Delgado

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 10/29

1 stop32h 17m

Lisbon Humberto Delgado

Thu 12/5

1 stop21h 05m

$610

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Mon 10/21

2 stops15h 30m

Porto

Thu 10/31

2 stops18h 51m

$617

Chicago O'Hare IntlLisbon Humberto Delgado

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 10/29

1 stop21h 10m

Lisbon Humberto Delgado

Tue 11/5

1 stop13h 50m

$625

Chicago O'Hare IntlLisbon Humberto Delgado

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Tue 10/29

1 stop31h 45m

Lisbon Humberto Delgado

Thu 12/5

2 stops22h 59m

$626

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Sat 10/19

1 stop16h 15m

Porto

Sat 10/26

1 stop13h 45m

$626

Chicago O'Hare IntlLisbon Humberto Delgado

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sun 8/18

1 stop18h 20m

Lisbon Humberto Delgado

Fri 8/30

1 stop16h 00m

$632

Chicago O'Hare IntlLisbon Humberto Delgado

ORD - LIS

ORDLIS

Chicago O'Hare Intl

Sat 9/28

1 stop12h 30m

Lisbon Humberto Delgado

Sat 10/5

1 stop13h 40m

$636

Chicago O'Hare IntlPorto

ORD - OPO

ORDOPO

Chicago O'Hare Intl

Tue 9/17

1 stop23h 55m

Porto

Sat 10/5

1 stop23h 25m

$638

Flights are sorted by cheapest first

Deals found on 5/2

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

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated May 3, 2024.
Read reviews from past customers who have flown United Airlines, Air Canada and SWISS from Chicago to Portugal. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,858 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.4

Crew

8.6

Entertainment

8.0

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
10,858 reviews
Delta
8.1
Very good
10,858 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.4

Crew

8.6

Entertainment

8.0

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.

KLM
7.9
Good
1,608 reviews
Delta
8.1
Very good
10,858 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.4

Crew

8.6

Entertainment

8.0

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.

SWISS
7.8
Good
2,024 reviews
Delta
8.1
Very good
10,858 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.4

Crew

8.6

Entertainment

8.0

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.

Finnair
7.8
Good
1,376 reviews
Delta
8.1
Very good
10,858 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.4

Crew

8.6

Entertainment

8.0

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.

JetBlue
7.6
Good
4,556 reviews
Delta
8.1
Very good
10,858 reviews
Check prices

Boarding

8.2

Overall

8.1

Comfort

7.9

Food

7.4

Crew

8.6

Entertainment

8.0

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 Chicago to Portugal. 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 Chicago to Portugal for under $600 on Cheapflights?

    Yes, there are multiple flights from Chicago to Portugal for under $600. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $580, but on average you can expect to pay $617.

  • Are there nonstop flights from Chicago to Portugal for under $600 on Cheapflights?

    Cheapflights has at least 20 direct flights from Chicago to Portugal under $600. A good price for a nonstop flight from Chicago to Portugal is less than $655.

  • Are there last-minute flights available from Chicago to Portugal for under $800?

    There are currently 20+ open flights from Chicago to Portugal within the next 7 days for less than $800.

  • What are the most popular routes from Chicago to Portugal?

    The most popular route from Chicago to Portugal is Chicago O'Hare Intl - Lisbon Humberto Delgado. You may also consider Chicago Midway - Lisbon Humberto Delgado or Chicago O'Hare Intl - Porto.

  • What are the most popular airlines that fly from Chicago to Portugal?

    Before booking your flight from Chicago to Portugal check out the most popular airlines for this route: American Airlines, Air Canada or Air France.

  • What are the cheapest flights from Chicago to Portugal?

    On average you can expect to pay $1,183 for a flight from Chicago to Portugal. The cheapest flight overall is $341 while the most popular route, (Chicago O'Hare Intl - Lisbon Humberto Delgado) is currently priced at $580.

  • What does ORD to LIS mean?

    Chicago O'Hare Intl Airport is ORD and Lisbon Humberto Delgado Airport is LIS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. This flight route has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Porto Airport (OPO), Faro Airport (FAO), Funchal Madeira Airport (FNC), Ponta Delgada Nordela Airport (PDL), Lajes Airport (TER).

  • Can I find deals for flights from Chicago to Portugal that include extra baggage allowance?

    The amount of baggage you can bring on your Chicago to Portugal 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 Chicago to Portugal with specific airlines?

    Yes, Cheapflights allows you to browse and filter Chicago to Portugal 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 Chicago to Portugal that include hotel bookings?

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

  • How can I find direct flights from Chicago to Portugal?

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

  • Can I find deals for business class flights from Chicago to Portugal?

    Yes. Cheapflights offers flight deals from Chicago to Portugal 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 Chicago to Portugal that allow pets onboard?

    Many airlines flying from Chicago to Portugal 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 Chicago to Portugal?

    Yes, you can often find last-minute deals on Chicago to Portugal 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 Chicago to Portugal flight deals updated?

    The Chicago to Portugal flight deals you see on this page were last updated on 5/2.

See more FAQs

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Alternative routes for Chicago to Portugal
See prices for flight routes from nearby airports that may be better suited for you.

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Top 10 airlines flying from Chicago to Portugal

Discover the top 10 airlines that operate flights from Chicago to Portugal. 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 2,899,487 searches. Data last updated May 3, 2024.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$433Average$698FlexibilityNo cancel feeOn-time79%
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LufthansaCheapest$469Average$1,024FlexibilityNo cancel feeOn-time76%
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Aer LingusCheapest$471Average$1,012FlexibilityNo cancel feeOn-timeN/A
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IberiaCheapest$484Average$766FlexibilityNo cancel feeOn-time77%
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TAP AIR PORTUGALCheapest$496Average$908FlexibilityNo cancel feeOn-timeN/A
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DeltaCheapest$520Average$761FlexibilityNo cancel feeOn-timeN/A
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KLMCheapest$520Average$756FlexibilityNo cancel feeOn-time75%
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British AirwaysCheapest$523Average$736FlexibilityNo cancel feeOn-time70%
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United AirlinesCheapest$528Average$973FlexibilityNo cancel feeOn-time69%
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American AirlinesCheapest$530Average$820FlexibilityNo cancel feeOn-time71%
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Search flights from Chicago to Portugal by cabin class

Find flights from Chicago to Portugal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Chicago to Portugal

Find hourly flight availability from Chicago to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 3, 2024.
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100%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
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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
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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 Chicago to Portugal?

Cheapflights helps you search for flights from Chicago to Portugal via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Chicago to Portugal?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Portugal from Chicago.

Can Cheapflights find flights from Chicago to Portugal with no change fees?

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

Can Cheapflights notify me if prices for flights from Chicago to Portugal become cheaper?

Of course! You can now track prices for flights from Chicago to Portugal 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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